| VCR | SHARP | GENERAL | Drum Won't Spin | Rubber
"o"ring Loose Inside Remove Head Drum Assy And Remove .....Don't
Force.... |
| VCR | SHARP | VC200 | Mode Cogs Go Out Of
Alignment. | Pin Missing In Brake Slide. |
| VCR | SHARP | VC2300 | Drum Rotates Very Fast At All Times
Operate Is On. | Suspect Ic706, M51724p, On Servo Pcb. |
| VCR | SHARP | VC2300 | Machine Dead With Tape In Laced Up
Position. | Check Q914 (2sa770) On Servo Board O/c. |
| VCR | SHARP | VC2300 | No Capstan Drive | L701 O/c
Servo Pcb Rtrnz0012gezz |
| VCR | SHARP | VC2300 | No Capstan Drive. | L701 O/c
On Servo Pcb. Pt No: Rtnz0012gezz. |
| VCR | SHARP | VC2300 | No Power Ac Adaptor Fails | Q3
Q4 2sc2826 |
| VCR | SHARP | VC2300 | No Power, Ac Adaptor
Fails. | Q3 And Q4. 2sc2826 Use Original Parts. |
| VCR | SHARP | VC2300 | Pause, Stop & Record Leds All Lit.
With No Deck Functions. | Check Ic807 By Replacement. Check Loading Motor
Chip Ic808 And Loading Motor Should Draw 100ma. |
| VCR | SHARP | VC2300 | Problems With Rewind | Change
Reel Motor. |
| VCR | SHARP | VC2300 | Sound Fluctuating | Check
Capstan Motor Faulty. |
| VCR | SHARP | VC330 | Poor Wind And Rewind Playback
Ok. | Check Aux. Brake Not Releasing Because Ic901 Faulty. |
| VCR | SHARP | VC330 | Reel And Capstan Motors Going
Backwards. | Change Ic711 |
| VCR | SHARP | VC3300 | No Channel Indicator, No
Go. | No 12v At Tp901. Check Q904, Q902, Q903, On Pwb-p. |
| VCR | SHARP | VC3300 | No Tuner Function And Channel
Indicators Not Functioning. | Replaced Transistor Q904 And C903 On
Pwb-p. |
| VCR | SHARP | VC3300 | Reel Motor Too Fast Causing Tape
Speed To Increase. | Q863 Shorted, Also Replace Reel Motor If "02"
Type. |
| VCR | SHARP | VC3300 | Tuner Faulty, Wont Tune In
Stations. | Check For 31.5v On Pin 5 Of Plug Ic. If Faulty Check Function
Of Zener Ic201, Ix0037ce, On Pwb-1. |
| VCR | SHARP | VC3300 | Won't Tune Stations. | Ic201
(31v Zener) Rhix0037cezz. |
| VCR | SHARP | VC381 | Audio Low Volume. | Change D606
Leaky Is119. |
| VCR | SHARP | VC381 | Cassette Door Opens Only Half Way On
Eject. | Lid Lever Angle Assembly Bent. Rebend To Work. |
| VCR | SHARP | VC381 | Clock Will Not Reset. | Change
Mp2812 Under Display Panel. |
| VCR | SHARP | VC381 | Dew Sensor Problems | Change
R801 47k Ohms With 470k |
| VCR | SHARP | VC381 | Drum Servo Faulty On
Record | Q702,q703 Buffer Osl 2sa945 |
| VCR | SHARP | VC381 | F901 Or F902 Blows, Int Failure To
Rewind Int Tape Spillage | Check Worn Idler If Ok Reel Motor
Suspect. |
| VCR | SHARP | VC381 | Intermittent Or No
Eject. | Ic803 (m54532p) |
| VCR | SHARP | VC381 | Intermittently Stopping On Play Or
Rec., Chewing Tapes. | Change Reel Idler Or Reel Motor (commonly
Intermittent In Operation). |
| VCR | SHARP | VC381 | Low Audio | D606 Leaky
Iss119 |
| VCR | SHARP | VC381 | No Capstan Drive In Record
Mode. | D612 On Audio Board Pwb-b Measures Ok But Is Leaky.
Is119. |
| VCR | SHARP | VC381 | No Chroma In Rec Or Pb | Fl501
Rmptd0131gezz |
| VCR | SHARP | VC381 | No Colour On Play Or
Record. | Fl501 (rmptdo131gezz). Also Check Fl503 |
| VCR | SHARP | VC381 | No Eject. | Change Ic803
(vhim54532p/-1) |
| VCR | SHARP | VC381 | No Functions 4 Amp Fuse
Blown. | Check 12 Volt Supply If High (18v) Reg Transistor S/c.
make Sure Replacement Is Mounted Correctly On Heatsink (original Is
Not). |
| VCR | SHARP | VC381 | No Go - 2.5 Amp. Powerfuse
Blown. | Check/ Replace Reel Motor - Always Change Reel Motors With Type
Numbers Ending In 02. |
| VCR | SHARP | VC381 | No Replay Audio Ee Audio
Ok | C621 S/cct (100uf 25v) |
| VCR | SHARP | VC381 | No Video On E-r Mode. | Check
Ic309 For O/c - Or C206 For S/c. |
| VCR | SHARP | VC381 | No Video On Playback | Change
Ic308. |
| VCR | SHARP | VC381 | Not Erasing Previous Audio
Track. | Audio Cable Shorted Under Plastic Tie Near Audio/ctl
Head. |
| VCR | SHARP | VC381 | Picture Rolling On E-e And
Record. | Change C438 47 Mfd, C439 (nearly O/c). If Ok Check Around Ic201
And Ic402. |
| VCR | SHARP | VC381 | Playback In Colour Will Not Record In
Colour. | Check Fl503. The Down Converted Signal Should Be 500
millivolt P-p On Pin 1 Of Colour I.C. The Carrier Signal Should Be 500 Millivolt
P-p At Pin 28. |
| VCR | SHARP | VC381 | Remote Erratic. | C811 (.01 Uf)
Leaky. |
| VCR | SHARP | VC381 | When Play Is Selected Squeaking From
Head Drum, Then Stops. | Change Reel Idler |
| VCR | SHARP | VC381 | When Record Is Selected Machine Fails
To Stay In Record. | Check T/u Reel Not Turning In Record Mode. Playback
Ok. Change Ic7754. |
| VCR | SHARP | VC381 | When Replacing Cass Lamp, To Check
Correct One Is Fitted. . | Check Voltage R872-5. Check Voltage On Point
Where Ic802 And R872-5 Connect, Should Be 8 Volts If Lower Wrong Cass Bulb Has
Been Used. |
| VCR | SHARP | VC381 | Will Inject And Eject Tapes Ok, Tuner
Ok, No Functions. | Check Cass Lamp, Should Be On At All Times. If Not,
Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
| VCR | SHARP | VC381X | No Record Colour. | Replaced
Filter Fl503. |
| VCR | SHARP | VC381X | Take Up Spool Not Rotating In
Record. Ok In Playback. | Change Ic7754. |
| VCR | SHARP | VC381X | When Pic. Search Is Selec. Mach. F/f
Or Rew. | Check For 9.9v On Pin 32 Of Ic801. Change Ic801, D7758 If Still
Present Check Ic805 And Ic806 If Ok Check Pins 1,4,5 Of 17754 Go High In Search
Mode And Pins 12, 13, 16 Go Low. If D7753 Cathode Is Not High At This Time,
Change Q7751 If Pin 59 Of Ic801 Dosent Go High In Search Mode Isolate And Check
Again If It Now Goes High Pin 59 Is Being Loaded Down In Surrounding
Cct. |
| VCR | SHARP | VC383 | Intermittently Stopping On Play Or
Rec., Chewing Tapes. | Change Reel Idler Or Reel Motor (commonly
Intermittent In Operation). |
| VCR | SHARP | VC383 | Low T/u Torque. | Adjust R7765
"tu Torque". |
| VCR | SHARP | VC383 | No Video On E-r Mode. | Check
Ic309 For O/c - Or C206 For S/c. |
| VCR | SHARP | VC383 | No Video On Playback | Change
Ic308. |
| VCR | SHARP | VC383 | Refer Vc381 | |
| VCR | SHARP | VC383 | Self Rec. Tapes, Band Few Lines
Deep,third Way Down. | Check Record Switching Monostable Faulty, Check
C714 And Reel Motor And Idler. |
| VCR | SHARP | VC383 | Will Inject And Eject Tapes Ok, Tuner
Ok, No Functions. | Check Cass Lamp, Should Be On At All Times. If Not,
Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
| VCR | SHARP | VC386 | Audio Click In P/back. Usually Only 1
Channel. | Rh-1z0038ge. Need Switch Ic Audio. |
| VCR | SHARP | VC386 | Audio Low On One
Channel | Replace Ic651 Rh1z0038gezz |
| VCR | SHARP | VC386 | Audio Low On One Channel Of Own
Record. | Change Ic Rh120038gezz. |
| VCR | SHARP | VC386 | Audio Low On One
Channel. | Replace Ic651 (rh1z0038gezz). |
| VCR | SHARP | VC386 | Blank Screen On Play And
Tuner. | L 409 (220 Uh) On Video Pcb. |
| VCR | SHARP | VC386 | Blank Screen On Play Or
E-e. | No 12v On Pin5 Of Ic402. Check L407, L409 On Video Pcb. |
| VCR | SHARP | VC386 | Capstan Fails To
Start | D6605 |
| VCR | SHARP | VC386 | Clock Flashes & Returns To Ch1, As If
Power Was Interrupted | Replace All Electro's In Psu. |
| VCR | SHARP | VC386 | Clock Flashes And Resets To Ch1 As If
Lost Power | Replace All Electros In Psu, Specifically C16
(10uf 50v) |
| VCR | SHARP | VC386 | Drum Rotating Too Fast. | Chek
C710 S/c. |
| VCR | SHARP | VC386 | Flickering Colour | Fl503
Rmptd0052gezz |
| VCR | SHARP | VC386 | Flickering Colour. | Change
Filter Fl503. Rmpdt0052gezz. |
| VCR | SHARP | VC386 | Flickering Colour. | Fl503
(rmptd0052gezz). |
| VCR | SHARP | VC386 | Int No Function Of Channel
Change. | Check For D/j On Socket Ta On Pwb. |
| VCR | SHARP | VC386 | Interm. Colour In P/back Or Rec. No
Colour In P/back Rec. | Replace Fl503. |
| VCR | SHARP | VC386 | Intermittently Stopping On Play Or
Rec., Chewing Tapes. | Change Reel Idler Or Reel Motor (commonly
Intermittent In Operation). |
| VCR | SHARP | VC386 | Low Sound | Q6601 (bc337) Pin 3
Bi 8.5 Volts. |
| VCR | SHARP | VC386 | No Colour In Record | Ic501
Ha11781nt, Fl503 Rmptd0052gezz |
| VCR | SHARP | VC386 | No Colour On Record. | Ic501
(ha11781nt) Or Fl503 (rmptdoo52gezz) |
| VCR | SHARP | VC386 | No Picture In Pb Or Ee | L409
220æh ,l407 On Video Pcb.Check 12v Pin 5 Ic402 |
| VCR | SHARP | VC386 | No Power And Audio Pcb | Check
C/protector On M/board Near Traking Controll (12v) |
| VCR | SHARP | VC386 | No Video On E-r Mode. | Check
Ic309 For O/c - Or C206 For S/c. |
| VCR | SHARP | VC386 | No Video On Playback | Change
Ic308. |
| VCR | SHARP | VC386 | Poor Colour Saturation On Still Of
Pre-recorded Tapes. | Change R429 To 1k Ohm On Y/c Pcb. |
| VCR | SHARP | VC386 | Traking Control No
Effect. | Traking Control O/c. |
| VCR | SHARP | VC386 | Tuning Drift All
Channels. | Check D1430 On Tuning Board Leaky. Also D1425 -
1444. |
| VCR | SHARP | VC386 | Tuning Drift. | Check Pr01
Regulator Also Ic1403 Or Int Tuning Pots. |
| VCR | SHARP | VC386 | Will Inject And Eject Tapes Ok, Tuner
Ok, No Functions. | Check Cass Lamp, Should Be On At All Times. If Not,
Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
| VCR | SHARP | VC386.. | No/int Reel Drive. | Ic705
Ta7267p. |
| VCR | SHARP | VC387 | Faulty Audio | Protector Ic619
On Audio Pcb O/c Icp-n10 |
| VCR | SHARP | VC387 | Faulty Audio. | Protector Ic619
On Audio Pcb O/c. Icp-n10. |
| VCR | SHARP | VC387 | Intermittently Stopping On Play Or
Rec., Chewing Tapes. | Change Reel Idler Or Reel Motor (commonly
Intermittent In Operation). |
| VCR | SHARP | VC387 | No Drum Rotation. | 14 Volt
Supply Fuse O/c Not Shown On Cct. |
| VCR | SHARP | VC387 | No Power On, Clock Ok. | Check
For 9 Volt On Pin 64 Of Ic801, If Not, Look For O/c Semiconductor Fuse Not Shown
On Cct. |
| VCR | SHARP | VC387 | No Tuner, Blank Screen. | Check
R954 (2.2 Ohm) And Check Q953, Q954, And Electro's In Psu. |
| VCR | SHARP | VC387 | No Tuner. Blank Screen | Check
R954 2.2 ê Q953 Q956, Q955 & Electros In Psu |
| VCR | SHARP | VC387 | No Video On E-r Mode. | Check
Ic309 For O/c - Or C206 For S/c. |
| VCR | SHARP | VC387 | No Video On Playback | Change
Ic308. |
| VCR | SHARP | VC387 | Will Inject And Eject Tapes Ok, Tuner
Ok, No Functions. | Check Cass Lamp, Should Be On At All Times. If Not,
Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
| VCR | SHARP | VC387 | Won't Operate. | Protector
Ic815 On Mecha Cont Pcb. Icp-n5. |
| VCR | SHARP | VC387 | Wont Operate | Proctector Ic815
Icpn10 Mecha Pcb |
| VCR | SHARP | VC388 | Intermittently Stopping On Play Or
Rec., Chewing Tapes. | Change Reel Idler Or Reel Motor (commonly
Intermittent In Operation). |
| VCR | SHARP | VC388 | No Colour In Play | Replace
X502 4.433 Mhz Adjust |
| VCR | SHARP | VC388 | No Colour On Play. | Replace
4.433 Xtal. (x502) - Adjust Frequency. |
| VCR | SHARP | VC388 | No Functions. | Check Q5002 S/c
Because Ic15002 S/c. |
| VCR | SHARP | VC388 | No Go | Q1 2sc2625, Ic1
Pc511n |
| VCR | SHARP | VC388 | No Power. No Clock. No
Functions | Q5002 O/c No +5v Rail. Aprox Load Current 90-100 Ma |
| VCR | SHARP | VC388 | No Video On E-r Mode. | Check
Ic309 For O/c - Or C206 For S/c. |
| VCR | SHARP | VC388 | No Video On Playback | Change
Ic308. |
| VCR | SHARP | VC388 | Power No Go. | Q1 (2sc2625) And
Ic1 (pc511n). |
| VCR | SHARP | VC388 | Power Supply Faulty After Fitting A
New Capstan Motor. | Check: Q1 (2sc2625) Chopper Ic1 Pc511n. Also Change
C7022 To (1 Mfd 50v) R7040 To (27k Ohms) |
| VCR | SHARP | VC388 | Power Supply Wont Start
Reliably | Reduce Value Of R32/r57 To 27r Instead Of 54r |
| VCR | SHARP | VC388 | Snowy Or Flyscreen Effect On Own
Reccording. | Reduce Chroma Record Current. |
| VCR | SHARP | VC388 | Will Inject And Eject Tapes Ok, Tuner
Ok, No Functions. | Check Cass Lamp, Should Be On At All Times. If Not,
Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
| VCR | SHARP | VC388 | Won't Load Tape. | I 806
(s16900a). |
| VCR | SHARP | VC388 | Wont Load | Ic806
Si6900a |
| VCR | SHARP | VC390 | Black Streaks In
Playback | Heads Ok, Check 3.8 Mhz Oscillator Is Not Running At 5 Mhz..
C227 Intermintant Replace. Readjusting Will Not Repair The Fault |
| VCR | SHARP | VC390 | Int Wont Record Picture | Q204,
Q205 2sa733 |
| VCR | SHARP | VC390 | Intermittently Stopping On Play Or
Rec., Chewing Tapes. | Change Reel Idler Or Reel Motor (commonly
Intermittent In Operation). |
| VCR | SHARP | VC390 | Locked In Lp Or Sp Frontpanel Ctrl
Won't Affect. | Check Sw8001 And Sw8002 Are Inthe Mid Position. |
| VCR | SHARP | VC390 | Looks Like Video Heads, Black Streaky
Lines In Playback | Replacing Heads Didnt Fix . The Problem Was The 3.8
Mhz Fm Oscillator Was Running Naer 5mhz. Trimmer Cap C227 Intermittent.
Readjusting It Worked, But It Has To Be Replaced.
to Adjust The Free-run Freq, Put Vcr In Line In Mode And Place A Frequency
Counter On The Osl Output And Trim The Cap For 3.8mhz |
| VCR | SHARP | VC390 | No Picture In Play | Ic308
Protector Icp N10 |
| VCR | SHARP | VC390 | No Video On E-e Mode. | Check
Ic309 For O/c - Or C206 For S/c. |
| VCR | SHARP | VC390 | No Video On Playback. | Change
Ic308. |
| VCR | SHARP | VC390 | Poor Record Looks Like Stuffed
Heads. | C227 Possibly Faulty( Fm Freq) Adjust And Return To Previous
Setting To Check. |
| VCR | SHARP | VC390 | Poor Recording | Ry301 Contacts
Dirty - Clean And Replace. |
| VCR | SHARP | VC390 | Shuts Down After 30
Mins. | Replace C12 In Power Supply 220uf 16v |
| VCR | SHARP | VC390 | White Lines/dots In Play | C17
220æf/16v In Psu |
| VCR | SHARP | VC390 | Will Inject And Eject Tapes Ok, Tuner
Ok, No Functions. | Check Cass Lamp, Should Be On At All Times. If Not,
Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
| VCR | SHARP | VC390 | Will Not Eject Tape. | Check
Lever On Rhs Of Eject Mechanisim Activates Micro Switch Clean And
Service. |
| VCR | SHARP | VC468 | Int Picture Rolling On
Playback. | Check R743 Has No Effect If So C725 Gone O/c. |
| VCR | SHARP | VC481 | Capstan Fails To Start | Mode
Switch |
| VCR | SHARP | VC481 | Capstan Fails To Start. | Mode
Switch. Qsw-r0010gezz. |
| VCR | SHARP | VC481 | Capstan Slow In Play/rec | D742
Servo Pcb |
| VCR | SHARP | VC481 | Capstan Slow In
Play/rec. | D742 On Servo Pcb. |
| VCR | SHARP | VC481 | Capstan Unlocked. | Check
Tracking Control For Dry Joints. |
| VCR | SHARP | VC481 | Capstan Won't Lock Even After
Replacing, Motor, Bearing, And Doing A Lock Adjustment. | Check For Spikes
On Control Track Signal. If So Replace Capstan Servo Chip(ic702) |
| VCR | SHARP | VC481 | Cassette Inject Faulty. | Won't
Open Door Of Cassette. Change Slider Assembly. Lhldx3016gezz. |
| VCR | SHARP | VC481 | Chews Tapes No Rewind | Q8022
Phot Transistor Px0053gezz |
| VCR | SHARP | VC481 | Chews Tapes, No Rewind. | D734
Leaky, Off Pin 10 Of Ic 708 On Pwb-a. |
| VCR | SHARP | VC481 | Goes Into Rewind. | Q8022 Photo
Transistor. Px0053gezz. |
| VCR | SHARP | VC481 | Interm Reel Motor
Drive. | Check For Dry Joints On Q713. |
| VCR | SHARP | VC481 | Interm. Capstan Motor
Drive. | Check For Dry Joints On Q708. |
| VCR | SHARP | VC481 | No Capstan Lock. | R794 (4.7k).
Put Another 4.7k In Parallel. On Capstan Servo Pcb |
| VCR | SHARP | VC481 | No Or Flickering E-e Pic. In Stop
Mode Pb. 9v Is 3v S/b 0v. | Ic802 (ir2403 Or Td62105) Faulty. |
| VCR | SHARP | VC481 | No Reel Drive | Ic708 Faulty
Placing 3v Dc On Reel Drive Switch Input (ic705,p2) |
| VCR | SHARP | VC481 | Operation Light Not
On. | Change Protector Pr801 Qfs - P1021gezz. Change Q813 2sc945 On
Mechanon Board Pwb-e. C452 S/c On Y/c Board, Also Check Pr-eb Protector On
Pwb-e. |
| VCR | SHARP | VC481 | Picture Flickering In Ee | Pb9v
Rail Is 3volts. Ic802 Ir2403/td62105 |
| VCR | SHARP | VC481 | Won't Accept Tape. | Cassette
Switch On Cassette Carriage O/c. Qsw-f0010gezz. |
| VCR | SHARP | VC481 | Won't Accept Tape. | Slider
Assy. Lhldx3016gezz. |
| VCR | SHARP | VC481 | Won't Tune Stations. | Ic951 On
Power Supply Pcb. |
| VCR | SHARP | VC481 | Wont Accept Tapes | Slider Asy
Lhldx3016gezz |
| VCR | SHARP | VC481 | Wont Accept Tapes | Carrige
Switches Qsw F0010gezz |
| VCR | SHARP | VC481 | Wont Tune Channels | Ic951 In
Psu |
| VCR | SHARP | VC482 | Play Selec. Goes Into F.F Search. Own
Rec. Ok On Other Mach | Check Pin 5 Of Ic802, If Not Zero Volts Change
Ic802. |
| VCR | SHARP | VC482 | Refer Vc481. | |
| VCR | SHARP | VC482 | See Sharp Vc481 | |
| VCR | SHARP | VC482 | Wont Record Or Erase
Sound. | Check If Q603 (2sc2001) Leaky. |
| VCR | SHARP | VC483 | Power Supply O.K. But No Display Or
Functions. | Pr801 Fuseable Resistor Faulty. |
| VCR | SHARP | VC483 | See Sharp Vc481 | |
| VCR | SHARP | VC483 | Tape Counter Not
Working | Check For Obstructions To Auxillary Pulse Generator
Wheel. |
| VCR | SHARP | VC486 | Clock Gains 10mins/day. C5007 Wont
Adjust Tp2 To 131.072khz | C5006 (10pf) In Parallel With Trimmer
O/c. |
| VCR | SHARP | VC486 | Clock Runs Fast | Adjust Tp2
For 131.072khz If Not C5006 O/c |
| VCR | SHARP | VC486 | Counter Erratic | Photo Sensors
Faulty Or Need Clean |
| VCR | SHARP | VC486 | Counter Numbers
Erratic. | Q8004 And Q8005 Photo Interrupters Faulty. |
| VCR | SHARP | VC486 | Counter Problems. | Change 2x
Photo Interrupters. |
| VCR | SHARP | VC486 | Cyclic Noise Bar On
Play | Check C743 100uf 16v Cap. (bias Bypass For Control Track Pulse
Amp. |
| VCR | SHARP | VC486 | Erratic Behaviour Of
Deck. | Check Faulty Mode Switch. |
| VCR | SHARP | VC486 | Faulty Load/unload In P/back & Rec.
Interm.Changes Mode. | Change Mechanism Position Switch.
Qsw-r0008gezz. |
| VCR | SHARP | VC486 | Goes To Stop Just As It Fully
Loads. | Drum Pg Coil O/c. On Lower Drum Under Rotary Tx. |
| VCR | SHARP | VC486 | Int Changes Mode, Chews
Tapes | Mode Switch Qsw R0008gezz |
| VCR | SHARP | VC486 | Int Changes Mode, Chews. | Mode
Switch. Qsw-r0008gezz. |
| VCR | SHARP | VC486 | Int Cuts Out In Pb | Replace
Reel Sensors |
| VCR | SHARP | VC486 | Int Cuts Out In Play/record After 1
Hour. | Replace Reel Sensors. |
| VCR | SHARP | VC486 | Int Picture Rolling On
Playback. | Check C725 On Servo Board. |
| VCR | SHARP | VC486 | Interm. Cuts Off On P/back Or Rec
After I Hour Approx. | Change Reel Sensors - Photo Interrupters
Rh-px0042gezz. |
| VCR | SHARP | VC486 | Method Of Adjusting Capstan Servo
Lock. | Short Ends Of D763. Adjust R777 To Give 3.6v At Pin 5 Of T.P.B.
When Short Is Removed Voltage May Change Though Should Remain Stable. |
| VCR | SHARP | VC486 | Mod. To Prev. Overheating Ic714 In
Servo Circuit. | On Track Side Of Servo Pcb Place A 100 Ohm .5w And A 10
Mfd 16v Electro In Series From Emitter Of Q717 To Pin 8 Of Ic714. |
| VCR | SHARP | VC486 | No Clock, No Functions. Tuning Stuck
On Ch O. | X5001 Faulty Or Ceramic Caps On Track Side Of Pcb Causing
Shorts. |
| VCR | SHARP | VC486 | No Clock, No Go, Wont Change
Channels | X5001 Or Cermac Caps Shorting On Pcb Side. |
| VCR | SHARP | VC486 | No Colour In Pb Or Rec | Q501
2sc2308 |
| VCR | SHARP | VC486 | No Colour On
Play/record. | Q501 (2sc2308) Faulty. |
| VCR | SHARP | VC486 | No Functions. | Microprocessor,
Capstan Drive Ic Shorted, Suspect Capstan Motor. |
| VCR | SHARP | VC486 | No Functions. | Capstan Mtr Ic
And Micropocessor Ic .Suspect Capstan Mtr. |
| VCR | SHARP | VC486 | No Load/eject | Ic808
Ta7267 |
| VCR | SHARP | VC486 | No Reel Drive | Ic810 Ta7267
Q826,q827,q828 |
| VCR | SHARP | VC486 | No Reel Drive. | Ic810
(ta7267p/-1) And Check Q826, Q827, Q828. |
| VCR | SHARP | VC486 | No Reel Motor Drive. | Change
Ic810 (ta7267p/-1). Check Q826, Q827, Q828. |
| VCR | SHARP | VC486 | No Remote Control. | Check
Ic812 (lr3711m/-1). Check Possible Faulty Mode Switch. |
| VCR | SHARP | VC486 | Operation Light Not On | See
Same Fault Vc481 Above. |
| VCR | SHARP | VC486 | Reel Motor Wont Turn When Laced Up
And Playing. Tape Stuck | Change Ic715 On Pwb-a Vhiba6209//-1. |
| VCR | SHARP | VC486 | Rf Inter. On P/back. Could Be Vcr To
Close To Tv Transmiter | 1. On Pwb-x Head Amp. Board Cut Tracks On Pins 6
& 8 Of Ic3301. Place A Ferrite Bead Of 4 Turns Across Each Track.
2. Add 180 Pf Capacitors From The Audio In And Out Rca Sockets To Earth.
Hardwire Input Board Gnd. To Power Supply Gnd. |
| VCR | SHARP | VC486 | Tape Counter Counting
Faulty. | 1. Check The Lower Reflective Surface On The Counter Relay
Pulley On Top Deck Of Mechanisim. If The Reflective Surface Is Not Perfect -
Replace. P.No. Nplyv0088gezz.
2. Check And Clean Photo Interruptor Sensors. P.No.
Rhpx0042gezz. |
| VCR | SHARP | VC486 | Vert Jitter Etc On Own
Recordings. | Q711 Heat Sensitive. Head Switching Varies. |
| VCR | SHARP | VC486 | Vert Jitter In Self Rec | Q711
Head Switch Vaires |
| VCR | SHARP | VC486 | Won't Accept Cassette. Operation
Faulty. | Refere Same Fault Sharp Vc8482. Replace C826, 10æf 16v, On Mecha
Control Pcb. |
| VCR | SHARP | VC486 | Won't Record Or Play Colour
Intermittently. | Fl505 5.2mhz Filter Faulty. |
| VCR | SHARP | VC486 | Wont Load Or Eject
Tapes. | Ic808 (ta7267p). |
| VCR | SHARP | VC486 | Wont Turn On | C532 Shorted On
Pwb-c |
| VCR | SHARP | VC486 | Wont Turn On. | Check C532
Shorted On Pwb-c. |
| VCR | SHARP | VC488 | Colour Dashes All Over Screen On
Play. | Earth Capstan Drive Ic Heatsink, And Add .01uf From Pin 9 To
Earth. |
| VCR | SHARP | VC488 | Colour Dashes In Pb | Earth
Capstan Drive Ic H/sink, Add .01æf B/t Pin 9 & Earth |
| VCR | SHARP | VC488 | Goes Into Ff, Rew, Stop Etc By
Itself. | Q805 On Pwb-e (2sc174) In Syscon. |
| VCR | SHARP | VC488 | Goes To Stop Just As It Fully Loads
Up | Drum Pg Coil On Lower Drum O/c (under Rotary Transformer) |
| VCR | SHARP | VC488 | Hifi Light Flickers & Goes Out When
Hot Or No Hifi On Play. | Audio 9v Goes Low, Ic953 95kucz0072gezz. M5230 L
Ic On Power Supply Board, Its A Bitch To Get At |
| VCR | SHARP | VC488 | Int Changes Mode, Chews Tapes
Etc. | Mode Switch. Qsw-r0008gezz. |
| VCR | SHARP | VC488 | Int Goes Into Any Mode By
Itself | C805 Syscon 2sc174 |
| VCR | SHARP | VC488 | Laces Up Then Unlaces, Drum Turns For
Sec. Or Pic Shakes. | Drum Motor Rmotp1071gezz. |
| VCR | SHARP | VC488 | Lines In Pb. Tracking Not
Working | Pots In Drawer O/c Repace |
| VCR | SHARP | VC488 | Looks Like Heads
Faulty. | Electros In Psu. C956(1uf), C962(1uf), C957(.047uf). |
| VCR | SHARP | VC488 | No Audio No Functions | Ic5006
Rhix0014gezz Microproccer |
| VCR | SHARP | VC488 | No Capstan Lock, No Ctl. | C776
(100æf/16v). |
| VCR | SHARP | VC488 | No Chroma On Play. | Mn6163
Chroma Ic. |
| VCR | SHARP | VC488 | No Reel Drive In Any
Mode. | Suspect Ic715, Ba6209 On Servo Pcb. |
| VCR | SHARP | VC488 | No Sound, No Clock Or Channel
Display, Ch Buttons Dont Work | Ic5006 Rhix0014gezz
Microprocessor. |
| VCR | SHARP | VC488 | Picture Rolls Like Loss Of Capstan
Lock. Capstan Servo Adjust Helps But Not Good Enough. | Replace C776(100uf
16v) Electrolytic Capacitor, On Servo Pcb.
(top Left Board). It Was Short Circuit. |
| VCR | SHARP | VC488 | Picture Shakes Or Wont
Play. | Drum Motor Rmotp1071gezz |
| VCR | SHARP | VC488 | Reel Wont Turn When Fully Loaded Wont
Eject. | Ic715 On Pwb-a. Vhiba6209//-1 |
| VCR | SHARP | VC488 | See Vc486 | |
| VCR | SHARP | VC488 | Static In Pb. (looks Like
Heads) | Electros In Psu C956, C962 , C963 = 1æf & C957 .047æf
c956 In Particular |
| VCR | SHARP | VC488 | Stopped In Laced
Position. | Mode Switch. Qswr0008gezz. |
| VCR | SHARP | VC488 | Switches On, Switches Off, Laces Up
Weird Problems. | Pcb Behind Timer/clock Display Full Of Dj's Where Leads
Connect To Pcb. |
| VCR | SHARP | VC488 | Tape Remain Indicator
Erratic. | Reflective Stripes On T/u Reel U/s Or Q903 In Psu. |
| VCR | SHARP | VC488 | Tracking Bars On Screen | C776
100æf In Control Amp |
| VCR | SHARP | VC488 | Traking Not Working. | Check 3
Pots In Drawer, One Or All May Be O/c. |
| VCR | SHARP | VC581 | Black Screen In Ee | Cracked
Pcb Near Rf Booster |
| VCR | SHARP | VC581 | Black Screen On E-e. | Craked
Pcb Around Rf Booster. |
| VCR | SHARP | VC581 | Buzz In Sound. | Change T1501
Pif.-det. Transformer. New Types 0029. |
| VCR | SHARP | VC581 | C/stan Rotates B/wards When Stop
Pressed. Stops When Played | Check Shorting Links J20/j25 Shorting Out On
R/h Side Of Mother Board. |
| VCR | SHARP | VC581 | Capstan On At All Times. No Reel
Motor Drive. | Check Operation Of Ic706, Bu4011b. |
| VCR | SHARP | VC581 | Capstan Speed Varies On Play And
Record. | Replace Ic704. Rh-1x0107gezz. |
| VCR | SHARP | VC581 | E-e Picture
Distorted. | Ic1501. (x0275ce). |
| VCR | SHARP | VC581 | Ee Picture Is
Distorted | Ic1501 X0275ce |
| VCR | SHARP | VC581 | Functions Faulty, No Motor
Drives. | No 14v At Pin 7 Of Plug Pa On Power Supply. Check For Circuit
Protector Ip901 In Power Circuit. P.No. 95kpjc285zz. |
| VCR | SHARP | VC581 | Goes Into Any Mode As Soon As
Operation On. | Change Q812 Vsdta124es/-1. Should Have 4.5v At Pin 43 Of
Ic801. |
| VCR | SHARP | VC581 | Intermittent Functions. | Q812
(dta124). |
| VCR | SHARP | VC581 | Looses Drum And Capstan Lock In
Play | Dry Joint On Xtal X501 In Chroma Section |
| VCR | SHARP | VC581 | No Colour On Play Or
Record. | Fl501 (rmptdo131gezz). Also Check Fl503 |
| VCR | SHARP | VC581 | No Go Clock Ok | Ip901 2.5 Amp
O.C In Psu |
| VCR | SHARP | VC581 | No Go, Clock Ok. | Ip901 2.5a
O/c In Psu. |
| VCR | SHARP | VC581 | No Operate Led | No Pcon 12 V
Check Ic902 M5236l |
| VCR | SHARP | VC581 | No Operation Light. Laces Up Then
Unlaces. | Check Ic902 In Power Supply. |
| VCR | SHARP | VC581 | No Reel Drive | Ic702
Ta7267p |
| VCR | SHARP | VC581 | No Reel Motor Drive. | Change
Ic702, (ta7267p). |
| VCR | SHARP | VC581 | No Tape Functions, No Operate
Led. | Fuse On Psu, P901 2.5 Amp |
| VCR | SHARP | VC581 | Operation Faulty. | Check
P.Con. 9v Switch, Q909, 2sc3518 In Power Supply.
if Faulty Or Overheating, Check For Short Circuit To Ground On P.Con. 9v Line,
Pins 14-15 Of Plug Pa. If Short To Ground, Check For Faulty C219, 100æf 16v,
Near The Edge Of Main Pcb, Near Ic 402. |
| VCR | SHARP | VC581 | Pause/still Indicator On But Cont.
To Play Or Record. | Remove C8001 (47 Mfd 16v) Pwb-w Across Loading
Motor. |
| VCR | SHARP | VC581 | When Tuning To Station - Goes To
Blank Screen Agc Faulty. | Change Ic1501 |
| VCR | SHARP | VC581X | Wont Play Or F.F. Supply Brake Stuck
On. | Replace Microcomputer Ic801. |
| VCR | SHARP | VC584 | Clock On, Won't Operation
On. | Check For Open Circuit Ip902 In Power Supply. P. No. 95kpjc0284zz.
Check For Short Circuit Or Faulty C1589, 1000æf 16v, On Tuner Pcb. |
| VCR | SHARP | VC585 | E-e Picture Distorted. | C211
(10 Uf/16v) Inside If Module. |
| VCR | SHARP | VC585 | Ee Picture Distorted | C211
10æf/16v In If Module |
| VCR | SHARP | VC585 | Hum And Pattern Interference In Ee
And Play. High Freq. Oscillations On +12 & +9v Rails | Replace
C913,917,918,919 And C916 In Power Supply. |
| VCR | SHARP | VC6300 | Sound Wowing. | Check Capstan
Motor Speed By Selecting Record And Adjust R794 For Zero Volts On Tp713, If
Tp721 Exceed 500 Millivolt P-p Ripple, Change Motor. |
| VCR | SHARP | VC6300 | Turns Off While Recording Or
Switches Off After 6 Inches. | Check For Take-up Reel Rotation, Or The
Machine Thinks So. Check That The Reel Isn't Stopping - If It Does Clean Belts
And Tyres And Replace The Clutch. If The Reel Isn't Stopping Check The Output
From The Sensor Af4: It Should Be 5-10v P-p, If Not Replace The Opto Unit Under
The Take-up Reel. |
| VCR | SHARP | VC651 | Capstan Goes To Half
Speed | Clean Ctrl Track Head With Pcb Cleaner. Low Control Track Forces
Capstan Servo To Half Speed Mode. |
| VCR | SHARP | VC651 | Capstan Runs Fast In
Record | Diode In Syscon Faulty(leaky) D814 |
| VCR | SHARP | VC651 | Capstan Too Fast | Check Fg
Pulse Dj's Plug A1 |
| VCR | SHARP | VC651 | Capstan Too Fast. | Check Fg
Pulse, Dj's Around Plug A1. |
| VCR | SHARP | VC651 | Chews Tapes, Intermittent No Take Up
Torque. | Reel Brake Not Releasing, Mode Switch Faulty. |
| VCR | SHARP | VC651 | Chews Tapes, Poor T/u
Torque. | Reel Brake Not Releasing. Mode Switch? |
| VCR | SHARP | VC651 | Int Capstan Lock | Cracks
Around Screws Holding Pcb-a |
| VCR | SHARP | VC651 | Int Capstan Lock. | Craks
Around Screws Holding Pcb-a. |
| VCR | SHARP | VC651 | See Vc685 | |
| VCR | SHARP | VC651 | Slow Capstan Speed | Pinch
Roller In Engaging. Lubricate Pivot. |
| VCR | SHARP | VC681 | Cassette Loads Up & Down At Power On
By Itself ? | R822 Dj's Or O/c On Mother Pcb |
| VCR | SHARP | VC681 | Cassette Loads Up And Down At Power
On By Itself. | R822 Dj's Or O/c On Mother Pcb. |
| VCR | SHARP | VC681 | Chews Tapes | Loading
Belt |
| VCR | SHARP | VC681 | Chews Tapes. | Loading Belt
Faulty. |
| VCR | SHARP | VC681 | Loads Or Eject But No
Functions | End Sensor O/c |
| VCR | SHARP | VC681 | No Chroma In Record | Chroma
Delay Line. |
| VCR | SHARP | VC681 | No Chroma On Record. | Chroma
Delay Line. |
| VCR | SHARP | VC681 | Records Ok ,ee Ok But Mutes Video And
Audio | No Pb 5v. C413 On Luminance/chroma Sub Board S/cct. |
| VCR | SHARP | VC681 | See Vc685 | |
| VCR | SHARP | VC681 | Will Load And Eject But No Other
Functions. | End Sensor O/c. |
| VCR | SHARP | VC681 | Wont Load Or Eject. Interm Doing
Either. | Reposition The Mode Control Switch. |
| VCR | SHARP | VC682 | Capstan And Reel Go Forward In Rewind
Mode | Plug A1 Pin 8 Dj'd |
| VCR | SHARP | VC682 | Capstan And Reels Go Forward In
Rewind. | Plug A1 Pin 8 Dj'd. |
| VCR | SHARP | VC682 | Capstan Slows Down | Isolate
Pin 13 Of Ic703 And Connect To Earth. |
| VCR | SHARP | VC682 | Capstan Slows Down. | Isolate
Pin 13 Of Ic703 And Connect To Earth. |
| VCR | SHARP | VC682 | No Functions | R916 ê27 In
Psu |
| VCR | SHARP | VC682 | No Functions. | R916 (.27 Ohm)
In Psu. |
| VCR | SHARP | VC682 | No Load Motor | Ic802
Ta7288 |
| VCR | SHARP | VC682 | No Load Motor Drive. | Ic802
(ta7288). |
| VCR | SHARP | VC682 | No Play
Functions | Ic801 |
| VCR | SHARP | VC682 | No Play Functions. | Ic801
(rh-ix0151gezz). |
| VCR | SHARP | VC682 | Won't Load/eject. | R907 (.27
Ohm) In Psu O/c. |
| VCR | SHARP | VC682 | Wont Load/eject | R907 ê27 In
Psu |
| VCR | SHARP | VC682X | When In Rec. Pause Mode, Wont
Rec. | Replace Mode Select Switch. |
| VCR | SHARP | VC685 | Brakes Don't Lock Hubs On
Eject, | Pin From Underneath Slider Panel Has Fallen Out. |
| VCR | SHARP | VC685 | Looks Like Worn Idler | Brake
Solenoid Underneath Plugs Into Reel Sensor Pcb Not Working |
| VCR | SHARP | VC685 | No Clock Display | Ic5001
Pwb-i |
| VCR | SHARP | VC685 | No Clock Display. | Ic5001.
(rh-ix0164gezz) On Pwb-1. |
| VCR | SHARP | VC685 | No Picture In
Playback | Missing Pb 5v Q808 Replace C413 (100æf/10v) On Y/c Module Board
(rhs). |
| VCR | SHARP | VC685 | Reel And Capstan Run
Backward | Clock Xtal For Ic801 R/s |
| VCR | SHARP | VC685 | Reel And Capstan Run Backwards, Vcr
Won't Turn Off. | Clock Xtal For Ic801 Faulty. |
| VCR | SHARP | VC685 | Similar Symptoms To Worn Reel
Idler. | Brake Solenoid Underneath Plugs Into Reel Sensor Pcb Not
Working. |
| VCR | SHARP | VC685 | Vcr Wont Turn Off | Clock Xtal
Faulty For Ic801 |
| VCR | SHARP | VC685X | Wont Eject Tapes Chews
Tapes. | Replaced Filter Fl801. |
| VCR | SHARP | VC7300 | Capstan Motor Will Not
Operate. | Replaced Q809. |
| VCR | SHARP | VC7300 | Capstan Won't Operate. | Q809
(2sd687). |
| VCR | SHARP | VC7300 | Capstan Wont Operate. | Q809
(2sd687). |
| VCR | SHARP | VC7300 | Capstan Wont Work | Q809
2sd687 |
| VCR | SHARP | VC7300 | Cassette Loading Motor On At All
Times. | Check Q8811 2sd687 |
| VCR | SHARP | VC7300 | Cassette Motor On All
Time | Q809 2sd687 |
| VCR | SHARP | VC7300 | Cassette Motor On At All
Time. | Q809 (2sd687) |
| VCR | SHARP | VC7300 | Cassette Motor On At All
Time. | Q809 (2sd687). |
| VCR | SHARP | VC7300 | Chopper Tranformer
Squealing | Change C920 (10mfd 50v) |
| VCR | SHARP | VC7300 | Dew Sensor On | Q805 Q806
2sc1815 |
| VCR | SHARP | VC7300 | Dew Sensor On All The
Time. | Q805, Q806 (2sc1815). |
| VCR | SHARP | VC7300 | Dew Sensor Operating With No
Moisture Present. | Replace Q805 And Q806. |
| VCR | SHARP | VC7300 | Dew Sensor Problems. | Check
Q805 And Q806, 2sc1815. |
| VCR | SHARP | VC7300 | Drum Rotates At All Times, No
Functions. | Check Loading Ring Position And Reset If Necessary. |
| VCR | SHARP | VC7300 | Drum Rotates At All Times, No Inject
Or Eject. | Check Mechanical Loading Ring Position. |
| VCR | SHARP | VC7300 | Drum Rotates No
Functions | Check Loading Ring Position & Reset If Necc |
| VCR | SHARP | VC7300 | Functions Ok But No
Eject | Lever #23 Rhs Eject Mech Lubricate |
| VCR | SHARP | VC7300 | Functions Ok But Won't Eject
Tape. | Lever (no 33 On Parts List) On Rhs Of Front Loader Sticking,
Lubricate. |
| VCR | SHARP | VC7300 | Ghosting Picture Appears After A Few
Hrs. Operation On E-e | Freeze Sf1501 Filter On Tuner I.F. Board If
Picture Comes Good Replace Filter. |
| VCR | SHARP | VC7300 | Int B/w Picture On Playback. Audio
Ok. | Check If Main Solenoid Releases When Stop Is Pressed. If Not
Solenoid Could Need Lubrication. |
| VCR | SHARP | VC7300 | Int Pulsing Of Aux.
Motors. | Change Regulator Trans 2sc1212a To A Bd139 With Moderate Heat
Sink. |
| VCR | SHARP | VC7300 | Int Recording. | Check Ic1301
Pin 8 For Int Loss Opf Signals. |
| VCR | SHARP | VC7300 | Loading Motor Weak. | Change
Q8091. |
| VCR | SHARP | VC7300 | Loading Motor Won't
Rotate. | Look For Thermal Output To Main Solenoid O/c. |
| VCR | SHARP | VC7300 | Loss Of Colour On Pre-rec. Playback
Of Own Rec. Ok. | Fit 270 Pf In Parallel With C540. Fit 1.8k Ohms 1/4w In
Parallel With R522. |
| VCR | SHARP | VC7300 | No 12 V Rail | R903 ê27
Fuse |
| VCR | SHARP | VC7300 | No 12 Volts At
Tp901. | Replaced R903. |
| VCR | SHARP | VC7300 | No 12v At T.P. 901. | On
Vc7300 Check R903 0.27 Ohms. On Vc7700 Check R912 0.27 Ohms Q904
2sd1128. |
| VCR | SHARP | VC7300 | No 12v From Power
Supply. | Check R903 (.27 Ohm Fusible). |
| VCR | SHARP | VC7300 | No Capstan Motor
Drive. | Check Q809, 2sd687. |
| VCR | SHARP | VC7300 | No Func.Only Eject/load, Head Drum
Running Continuously. | Check Faulty Unload Or Afterload Switch. Sw01 And
Sw02 On The Deck. |
| VCR | SHARP | VC7300 | No Power Indication, No Clock Fuse
F902 O/c. | Change Q908 With 2sc1826
Q920 10 Mfd 50v
Q942 10 Mfd 16v |
| VCR | SHARP | VC7300 | No Power No Clock | Q908
2sc1212 C916 10æf |
| VCR | SHARP | VC7300 | No Power, No Clock. | Q908
(2sc1212) Also Replace C916 (10 Uf). |
| VCR | SHARP | VC7300 | No Power. Clock
Inoperative. | Replaced Q908, C920 And C942. |
| VCR | SHARP | VC7300 | No Servo Lock In Play | X502
Rcrsa0011 Or Ic504 An6342 |
| VCR | SHARP | VC7300 | No Servo Lock On Play. | X502
(rcrsa0011) Or I504 (an6342n). |
| VCR | SHARP | VC7300 | Picture Rolling On E-e And
Record. | Check I.F. Package Cct's Output If Ok Check C438 (47 Mfd) Gone
Low. |
| VCR | SHARP | VC7300 | Poor Or No Colour When Tapes Rec. On
Other Mach. Own Rec Ok | Fit A 270pfd In Parallel With C540 And Fit 1.8
Kohm In Parallel With R522 Then Check Chroma Oscillator Frequency. |
| VCR | SHARP | VC7300 | Suddenly Turns Off.Play/rec.
Restores Normal Functions. | Check Take-up Spool Is Stopping. If It Is,
Check The Play Idler May Need Replacement. If The Spool Doesn't Stop, The
Cassette Lamp Could Just Be Responsible (intermittently O/c) Or Take-up Rotation
Sensor Opocoupler Assembly Is Faulty. |
| VCR | SHARP | VC7300 | Tangles Or Chews Tapes When Ejected.
Prevalent After Rew. | Replaced Load Belt. |
| VCR | SHARP | VC7300 | Tape Looping After
Rewind. | Replace T/u Turntable, Main Brake And Idlers And Check Main
Brake Torque As Per Service Manual. |
| VCR | SHARP | VC7300 | Tape Wont Load. Head Drum Rotates
When Play Is Selected. | Put Loading Ring Assy In Correct Position And
Sequence. |
| VCR | SHARP | VC7300 | Won't Accept Or Inject
Cassette. | Check Q8811 Or D313. |
| VCR | SHARP | VC7300 | Won't Accept Tape. | Switch On
Front Loading Mechanisim Pt No: Qswt0001gezz. |
| VCR | SHARP | VC7300 | Wont Accept Tapes | Switch On
Front Loading Mech P# Qswt0001gezz |
| VCR | SHARP | VC7700 | Cassette Loading Motor On At All
Times. | Check Q8811 2sd687 |
| VCR | SHARP | VC7700 | Chopper Tranformer
Squealing | Change C920 (10mfd 50v) |
| VCR | SHARP | VC7700 | Dew Sensor Problems. | Check
Q805 And Q806, 2sc1815. |
| VCR | SHARP | VC7700 | Drum Rotates At All Times, No Inject
Or Eject. | Check Mechanical Loading Ring Position. |
| VCR | SHARP | VC7700 | Int Ejects Tapes, Flap Opening Int.
Without A Tape In. | 555 Timer Ics On Mechanon Board Faulty. |
| VCR | SHARP | VC7700 | Int Recording. | Check Ic1301
Pin 8 For Int Loss Opf Signals. |
| VCR | SHARP | VC7700 | Laces Up Then
Unlaces. | Change Slack Sensor On Pinch Roller Bracket. |
| VCR | SHARP | VC7700 | Loading Motor Weak. | Change
Q8091. |
| VCR | SHARP | VC7700 | Loading Motor Won't
Rotate. | Look For Thermal Output To Main Solenoid O/c. |
| VCR | SHARP | VC7700 | Loss Of Colour On Pre-rec. Playback
Of Own Rec. Ok. | Fit 270 Pf In Parrallel With C540. Fit 1.8k Ohms 1/4w In
Parallel With R522. |
| VCR | SHARP | VC7700 | No 12v At T.P. 901. | On
Vc7300 Check R903 0.27 Ohms. On Vc7700 Check R912 0.27 Ohms Q904
2sd1128. |
| VCR | SHARP | VC7700 | No Capstan Motor
Drive. | Check Q809, 2sd687. |
| VCR | SHARP | VC7700 | No Play F.F. Rew. Or
Rec. | Replaced Capstan Motor. |
| VCR | SHARP | VC7700 | No Power Indication, No Clock Fuse
F902 O/c. | Change Q908 With 2sc1826
Q920 10 Mfd 50v
Q942 10 Mfd 16v |
| VCR | SHARP | VC7700 | Refer Vc7300 | |
| VCR | SHARP | VC7700 | See Vc7300 | |
| VCR | SHARP | VC7700 | Tangles Or Chews When Ejected.
Prevalent After Rew. | Replaced Load Belt. |
| VCR | SHARP | VC7700 | Won't Accept Or Inject
Cassette. | Check Q8811 Or D313. |
| VCR | SHARP | VC7700 | Won't Turn Off. Cass. Lamp On,head
Drum Rotates. | Check Failure Of Unload End Switch Sw 1. If The Tape
Guides Have Not Retracted Fully, Check The Loading Mechanics Starting With The
Loading Motor Belt. |
| VCR | SHARP | VC7750 | Cassette Loading Motor On At All
Times. | Check Q8811 2sd687 |
| VCR | SHARP | VC7750 | Chopper Tranformer
Squealing | Change C920 (10mfd 50v) |
| VCR | SHARP | VC7750 | Dew Sensor Problems. | Check
Q805 And Q806, 2sc1815. |
| VCR | SHARP | VC7750 | Drum Rotates At All Times, No Inject
Or Eject. | Check Mechanical Loading Ring Position. |
| VCR | SHARP | VC7750 | Int Recording. | Check Ic1301
Pin 8 For Int Loss Opf Signals. |
| VCR | SHARP | VC7750 | Loading Motor Weak. | Change
Q8091. |
| VCR | SHARP | VC7750 | Loading Motor Won't
Rotate. | Look For Thermal Output To Main Solenoid O/c. |
| VCR | SHARP | VC7750 | Loss Of Colour On Pre-rec. Playback
Of Own Rec. Ok. | Fit 270 Pf In Parrallel With C540. Fit 1.8k Ohms 1/4w In
Parallel With R522. |
| VCR | SHARP | VC7750 | No 12v At T.P. 901. | On
Vc7300 Check R903 0.27 Ohms. On Vc7700 Check R912 0.27 Ohms Q904
2sd1128. |
| VCR | SHARP | VC7750 | No Capstan Motor
Drive. | Check Q809, 2sd687. |
| VCR | SHARP | VC7750 | No Power Indication, No Clock Fuse
F902 O/c. | Change Q908 With 2sc1826
Q920 10 Mfd 50v
Q942 10 Mfd 16v |
| VCR | SHARP | VC7750 | Refer Vc7300 | |
| VCR | SHARP | VC7750 | See Vc7300 | |
| VCR | SHARP | VC7750 | Won't Accept Or Inject
Cassette. | Check Q8811 Or D313. |
| VCR | SHARP | VC781 | Int Stops In Rew/ff. | Earth
Cassette Slider By Fitting Spring (mspro113gefj) |
| VCR | SHARP | VC782 | Fails Recording After
Pause. | Replace Load Belt. |
| VCR | SHARP | VC782 | Hum On Ee Audio. | Ic601 In
Audio Board |
| VCR | SHARP | VC782 | Supply Guide Comes Back And Gets
Caught On Back Tension Arm. | Replace Loading Gear Under Supply
Guide |
| VCR | SHARP | VC787 | Operate Light Goes Out After 8
Seconds | Check F902 Ur15v Rail |
| VCR | SHARP | VC8300 | Agc On Monitor Only Ok In
Playback. | Q1507 No Base Voltage Due To R1540 Being O/c Or
High. |
| VCR | SHARP | VC8300 | Agc Or Negative
Picture. | Fl4401 S/c. |
| VCR | SHARP | VC8300 | Blowing Fuse F803. Wont Accept Or
Eject Tape. | Replace Eject Motor. |
| VCR | SHARP | VC8300 | Cap. Speed Varying. Wow In Sound.
Servo Phase Signal Faulty | Remove Bridge 1704 On P.W.B.-a. Change It With
680k Ohms And O.O22 Mfd In Parallel. |
| VCR | SHARP | VC8300 | Capstan Running Fast. | Q718,
Q719 S/c. |
| VCR | SHARP | VC8300 | Capstan Slows When Hot Noise Band In
Pb | C729 10æf |
| VCR | SHARP | VC8300 | Capstan Slows When Hot, Noise Band
Thru Picture. | C729 (1ouf Tan). |
| VCR | SHARP | VC8300 | Capstan Speed Varies, Wow In
Sound. | Check Bridge I704 On Pwb A. |
| VCR | SHARP | VC8300 | Capstan Varies Speed Wow In
Audio | Check Bridge I704 On Pwb-a |
| VCR | SHARP | VC8300 | Cassette Loads But Not
Threading. | Q714, Q716, Q717 S/c. |
| VCR | SHARP | VC8300 | Cassette Will Not Load Or Unload Or
Eject. | 1. Check For 25v Present On Loading Motor.
2. Check For Faulty Ry801 Load/unload Switch. |
| VCR | SHARP | VC8300 | Cassette Will Not
Load. | Cassette Down Switch S2 Broken. |
| VCR | SHARP | VC8300 | Chews Or Tangles Tape When
Ejected. | Replace Rubber Boot On Take Up Brake Arm. |
| VCR | SHARP | VC8300 | Drum Fails To Start. | Drum
Motor Int. Rmotp101pgezz. |
| VCR | SHARP | VC8300 | Drum Wont Start | Drum Motor
Int P# Rmotp1019gezz |
| VCR | SHARP | VC8300 | Ejects After Loading
Up. | Change Loading Belt. |
| VCR | SHARP | VC8300 | Horizontal Noise Bars. | 1.
Capstan Running Slow - Ic1703
2. Dry Joint Thick-film Cr503.
3. Reset D Lock (r711) |
| VCR | SHARP | VC8300 | Int Blows F903 When
Unlacing. | Faulty Drum Motor Or Forward/reversee Switch Int. Shorting.
(p.No. Qsw-10002ge). |
| VCR | SHARP | VC8300 | Int Colour Or Lum In
Record | Ic301 Sa8063 |
| VCR | SHARP | VC8300 | Int Loss Of Playback Picture (blank
Screen) | Look For D/j's On Plug/socket Converter Cd On Pwb-c. |
| VCR | SHARP | VC8300 | Int Stops In Play After Lace
Up | Main Solenoid Sticking. Lub Or Replace |
| VCR | SHARP | VC8300 | Int Stops In
Play/record | Slack Sensor Faulty |
| VCR | SHARP | VC8300 | Int Stops On Play After
Lace-up. | Main Solenoid Sticking - Lubricate Or Replace. |
| VCR | SHARP | VC8300 | Inter. Blows Fuse F903. Blows When
Tape Unthreading. | Check Faulty Drum Motor. Check Intermittent Short In
The Forward/reverse Switch (part No. Qswf0002ge). Mounted Near The
Solenoids. |
| VCR | SHARP | VC8300 | Interm. Colour Flashing Of Self
Rec. | Replaced Ic301. |
| VCR | SHARP | VC8300 | Intermittent Colour Flashing On
Playback Of Own Recording. | Change Ic301 Rec. Amp. Vhisa
8063//-1. |
| VCR | SHARP | VC8300 | Intermittently Drum Fails To Start
In P/back Or Record. | Change Int. Drum Rmotp1019gezz. |
| VCR | SHARP | VC8300 | Intermittently Stops In Play And
Record. | Slack Sensor Faulty. |
| VCR | SHARP | VC8300 | Intermittently Stops On P/back Or
Rec. After Lace Up. | Change Main Solenoid Plunger Rplu0046gezz. |
| VCR | SHARP | VC8300 | Lines Across Pict. And Sound
Wavering. | Capstan Motor Faulty. |
| VCR | SHARP | VC8300 | Loads Up And Ejects
Tape. | Check For Craks In Connector Panel Below Solenoids (at Front Of
Deck). |
| VCR | SHARP | VC8300 | Machine Stops In Laced Up
Position. | Solenoid Sticking Need Lubricating. |
| VCR | SHARP | VC8300 | No "fast Forward" | Spring
(49) Fallen Off. |
| VCR | SHARP | VC8300 | No Audio In Ee | I1502
Ix0043 |
| VCR | SHARP | VC8300 | No Capstan
Drive | Q718,q719,q720,q721,q723 |
| VCR | SHARP | VC8300 | No Capstan Drive. | Q721
(2sd880) In Capstan Brake. |
| VCR | SHARP | VC8300 | No Capstan Lock | Tracking Pot
Or Track To Pot O/c |
| VCR | SHARP | VC8300 | No Capstan Lock. | Tracking
Pot Or Pc Board To Pot Open Circuit. |
| VCR | SHARP | VC8300 | No Capstan Motor
Drive. | Replace All Q718, Q719, Q720, Q721, Q723. |
| VCR | SHARP | VC8300 | No Capstan Motor
Drive. | Check Q718. If Faulty Also Check Q719, Q720 Q723 And D711.
Transistor Substitutes: Q714, 715 And Q 718, 719 Were 2sc2021. Use 2sc945aq.
Q716 And Q720, 723 Were 2sa933. Use 2sa733 Or 2sa950y. |
| VCR | SHARP | VC8300 | No Colour. | 1. Ic1505.
2. Cr501.
3. Check Pin 3 Of Pugcb, Adjust Chroma Current Control
On Head Amp. |
| VCR | SHARP | VC8300 | No Drum Motor Drive | Replaced
Q714,q715,q716,q717 |
| VCR | SHARP | VC8300 | No Drum Motor Drive. | Replace
Q714, Q715, Q716, Q717. |
| VCR | SHARP | VC8300 | No Drum Motor Drive. | Check
Q714. If Faulty Also Check Q715 And Q716.
transistor Substitutes: Q714, 715 And Q718, 719 Were 2sc2021. Use 2sc945aq. Q716
And Q720, 723 Were 2sa933. Use 2sa733 Or 2sa950y. |
| VCR | SHARP | VC8300 | No Pic On Record/play. | L405
Faulty Or Ic1402 (ha11703). |
| VCR | SHARP | VC8300 | No Picture In
Play/record | L405 Or Ic1402 Ha11703 |
| VCR | SHARP | VC8300 | No Picture In
Playback. | Change C439 If Fault Still Present Change Ic402. |
| VCR | SHARP | VC8300 | No Sound On E-e | I1502
(ix0043). |
| VCR | SHARP | VC8300 | No Sound On Own Recordings
Pre-recorded Tapes Ok. | Ic601 Faulty. |
| VCR | SHARP | VC8300 | Noisy Picture After Playing A
Pre-recorded Tape Sev. Times. | Check Erase Osc If Partly Operating On
Playback, If So Ic601 Faulty. |
| VCR | SHARP | VC8300 | On Playback Looks Like A Capstan And
A Drum Servo Fault. | Check C731 10 Mfd Tant For Leakage Ic702, Ic703
Etc. |
| VCR | SHARP | VC8300 | Overshoot On Black To White
Transitions On Own Recordings. | Check Deviation Level
Adjustment. |
| VCR | SHARP | VC8300 | Patterning On Ch4 Or Snowy On Ch3
Output Of Rf Converter. | Faulty Rf Converter. |
| VCR | SHARP | VC8300 | Ripple In Sound. | 1. Faulty
Capstan Motor.
2. Worn/corrugated Pinch Roller. |
| VCR | SHARP | VC8300 | Smeary Picture. | C4413 Or
Video-board Dry Joint. |
| VCR | SHARP | VC8300 | Snowy Pic On Tuner And
Play. | Q1201 (2sc2570) In Rf Booster. |
| VCR | SHARP | VC8300 | Snowy Picture In All
Modes | Q1201 2sc2570 In Rf Booster |
| VCR | SHARP | VC8300 | Snowy Picture On Tuner And/or
Playback. | Q1201 In Rf Booster Unit. Use Toshiba 2sc2753. |
| VCR | SHARP | VC8300 | Snowy Picture. | Q1201 In
Modulator S/c. |
| VCR | SHARP | VC8300 | Stops Int | Reel Motor Or/and
Q6006 2sd687 |
| VCR | SHARP | VC8300 | Stops Intermittently. | Check
Reel Motor And Q6006 (2sd687). |
| VCR | SHARP | VC8300 | Tangles Tape On
Eject. | Change Brake Rubber On Take-up Side Reel.
Pgumm0012gezz. |
| VCR | SHARP | VC8300 | Tape Stops In Play | Pinch
Solenoid Not Operating. Check Fuse Under Inslulation On Solenoid |
| VCR | SHARP | VC8300 | Tape Stops In Play
Mode. | Pinch Solenoid Not Operating, Check Fuse Under Insulation On
Solenoid. |
| VCR | SHARP | VC8300 | Tapes Getting Chewed. | Worn
Out Brushes In Reel Motor - Change Reel Motor.
intermediate Drive Wheel For Supply And Take Up Spools Seized. Rough Edges On
Guide Slots For Intermediate Drive Wheel - Smooth Off Roughness Very Carefully
Without Enlarging Slots. This Fault Usually Occurs When E120/180 Tape Has Been
In Play Or Record Mode For About Half Of The Tape Length. |
| VCR | SHARP | VC8300 | Tapes Tangle On
Eject | Replace Brke Rubber On T/u Reel |
| VCR | SHARP | VC8300 | Tapes Tangle On
Eject. | Replace Brake Rubber On T/u Reel. |
| VCR | SHARP | VC8300 | To Operate Mechanism With Top Servo
Pcb Up. | Remove Plug Ao On Servo Pcb. |
| VCR | SHARP | VC8300 | Tracking Drifting Over A Couple Of
Weeks. | Change Capstan Motor. |
| VCR | SHARP | VC8300 | Will Not Eject From Carriage,wont
Allow Carr.To Drop Correc | Check Lock Off Lever (for Releasing Cassette
Flap Broken), Or Has Been Forced Out Of Position. Change Lock Off
Lever. |
| VCR | SHARP | VC8300 | Will Not Rewind | Gear Fallen
Off Vs Reel-motor. |
| VCR | SHARP | VC8300 | Won't Load Or Unload. | Change
Loading Motor Ic1805 Sta401 Motor Changeover Switch (p.No.
Qsw-10002ge). |
| VCR | SHARP | VC8300 | Won't Play "c" Size Cassette
Adaptor. | Adjust Slack Sensor (vr844) On On Pwb-a. |
| VCR | SHARP | VC8300 | Won't Switch Off. | Check Q902
S/c. |
| VCR | SHARP | VC8300 | Wont Play Vhsc Tape In
Adaptor | Adjust Slack Sensor Vr844 On Pwb-a |
| VCR | SHARP | VC8300 | Wont Tune To Stations. | Check
Aux/tuner Switch Faulty. |
| VCR | SHARP | VC8300 | Wow And Flutter. No Capstan
Servo. | Check Bridge On Pwb A And Or Replace With Original
Part. |
| VCR | SHARP | VC8300 | Wow In Audio | Capstan Belt Or
Dry Bearings |
| VCR | SHARP | VC8300 | Wow In Sound. | Capstan Belt,
Or Dry Bearings In Motor. |
| VCR | SHARP | VC8300 | Z Paid | |
| VCR | SHARP | VC8452 | No Or Intermittent Reel Drive In All
Modes. | Change Ic705, (ta7267p) |
| VCR | SHARP | VC8482 | No High Band On Tuner. | R958
(2.7k0 In Psu. |
| VCR | SHARP | VC8482 | No High Band Tunner | R958
2.7k In Psu |
| VCR | SHARP | VC8482 | No Picture In
Cue/rewind | Ic704 Td62104 |
| VCR | SHARP | VC8482 | No/int Reel Drive | Ic705
Ta7647 |
| VCR | SHARP | VC8482 | Won't Accept Cassette. | Check
Operation Of Cass. Down Switch. Pin 1 Of Plug Aa, Cass. Down (l) Should Be (h)
With No Cassette In. |
| VCR | SHARP | VC8482 | Won't Accept Cassette. Operation
Faulty. | If The Main Cam Gear On The Underside Of Mechanisim Is Wound
Fully Clockwise Then Rotate, By Use Of The Loading Motor Worm, 180 Deg Counter
Clockwise.
A. If Then All Operations Perform Without Faulty Replace Suspect C818, 10æf 16v,
On Main Pcb.
B. If Operations Still Faulty Check Alignment Of Mode Switch. Check Underside Of
Mode Switch For Craks In Plastic. |
| VCR | SHARP | VC8581 | Intermittent
Recording. | Check Ic401 (ha11744nt1) Video Processor For Luminance At Pin
20 And Fm Out. Osc Signal At Pin 12 To Video Heads. |
| VCR | SHARP | VC9100 | Interm. Chewing, Cuts Off On P/back
And Record. | Check If Reel Idler Ok, Replace Int. Reel Motor.
Rmotv1008gezz. |
| VCR | SHARP | VC9100 | Interm. White Lines Break Up Of Pic.
On E-e And P/back. | Only On Rf Out Not Video Out. Replace Ic403 On Y/c
Pcb. |
| VCR | SHARP | VC9100 | Loses Colour On
Recordings | Change Filter Fl504 Rmptdoo52gezz. |
| VCR | SHARP | VC9100 | No Picture In Ee Or
Playback. | Replaced Ic403 On Video Pcb. |
| VCR | SHARP | VC9100 | No Power, No Clock. | No 240v
To Mains Transformer? Check R901, Change C901 (.1 Mfd). If Voltage To Power
Supply Change C9009 (10 Mfd 63v). |
| VCR | SHARP | VC9100 | No Reel Motor
Voltage. | Change Q8001 (2sd880). |
| VCR | SHARP | VC9100 | No Reel Torque On Playback Or
Record. | Change Q7754 2sd882 And Add 27 Ohm Collector To
Emitter. |
| VCR | SHARP | VC9100 | No Reg. 12v Pin 2 Ae. | Check
R9019 (15 Ohms). Check Q9006 Use (2sc1826). |
| VCR | SHARP | VC9100 | No Video On E-e Mode. | Change
C204 (220mfd 10v). |
| VCR | SHARP | VC9100 | Picture Un Stable On Some
Channels. | Replace Zener Ic, 11401, Rhix0037gezz. |
| VCR | SHARP | VC9100 | Poor Or No Luminance | Change
Ic403 |
| VCR | SHARP | VC9100 | Refer Vc9300 | |
| VCR | SHARP | VC9100 | Rf Interf. On Low Ch. Under Weak
Signal Conditions. | Remove R9004 And C9006. |
| VCR | SHARP | VC9100 | See Vc9300 | |
| VCR | SHARP | VC9300 | Blows 2.5 A Sb Fuse On Rear Of
Vcr | Q9002 In Psu Or Reel Motor If '02' Type |
| VCR | SHARP | VC9300 | Blows 2.5a Sb Fuse At Rear Of
Vcr. | Q9002 In Psu. |
| VCR | SHARP | VC9300 | Blows Fuse On P/supply 12v Rail Goes
25v. | Replace R16 In P/supply And Remove Glue From Pcb. |
| VCR | SHARP | VC9300 | Cass. Will Not Eject, Won't Allow
Carriage To Drop Corre. | Check Lock Off Lever (for Releasing Cassette
Flap Broken), Or Has Been Forced Out Of Position. Change Lock Off
Lever. |
| VCR | SHARP | VC9300 | Cassette Will Not
Eject. | Door Flap Not Opening Fully Due To Bent Lever Angle
Assembly. |
| VCR | SHARP | VC9300 | Chewing Tapes. | Cassette
Down-end (csd) Switch Broken, Or Reel Motor. |
| VCR | SHARP | VC9300 | Chews Tapes Int , Stops In
Play | Reel Motor Rmotv1008gezz |
| VCR | SHARP | VC9300 | Clock Display Shows Two
Days | Ic5001 |
| VCR | SHARP | VC9300 | Distorted Or No Pic On
E-e. | Q721 (2sb4568) On Pwb-a. |
| VCR | SHARP | VC9300 | Distorted Picture In Ee | Q721
2sd468 Pwb-a |
| VCR | SHARP | VC9300 | Drum Moor On All The
Time. | Remove Glue On Q717 And Q718. |
| VCR | SHARP | VC9300 | Drum Speed
Int | X502 |
| VCR | SHARP | VC9300 | Drum Spins All Time | Remove
Glue On Q717, Q718 Or Q718 Faulty. |
| VCR | SHARP | VC9300 | Drum Turns All The
Time. | Q717 (2sc945) |
| VCR | SHARP | VC9300 | For Low Reel Torque In All
Modes. | Check For D/j's On Q8001, Located At Rear Of Chassis, By The Head
Drum. |
| VCR | SHARP | VC9300 | Goes To Stop As Soon As It Is Fully
Loaded. | Ic2002 On Pwc "d". Head Switching Pulses Low In
Amplitude. |
| VCR | SHARP | VC9300 | Grey Washed Out Pic In
Play | Ic401 |
| VCR | SHARP | VC9300 | Int Blows 2.5a Fuse At Rear Of
Vcr. | Change Reel Motor If "02" Type. |
| VCR | SHARP | VC9300 | Int Capstan
Speed | Ic703 |
| VCR | SHARP | VC9300 | Int Capstan Speed After 1-2
Hours | Ic703 |
| VCR | SHARP | VC9300 | Int Chews Tapes Or Cuts Out In
Play/record. | Reel Motor Int (rmotv1008gezz). |
| VCR | SHARP | VC9300 | Int Colour | Ic503 |
| VCR | SHARP | VC9300 | Int Colour And Drum
Speed | Ic504 |
| VCR | SHARP | VC9300 | Int Colour On
Recordings. | Fl504 (doo52ge). |
| VCR | SHARP | VC9300 | Int Erattic Behavior | Ic801
Cpu |
| VCR | SHARP | VC9300 | Int No Power/
Stops | Q808 |
| VCR | SHARP | VC9300 | Int Play Or Record. | Change
Idler Assembly And Check For Lazy Drum Motor. |
| VCR | SHARP | VC9300 | Int Play Pic | Fl401 |
| VCR | SHARP | VC9300 | Int Reel Motor
Slows | R7733 |
| VCR | SHARP | VC9300 | Int Stops | C719
Leaky |
| VCR | SHARP | VC9300 | Interm. Chewing, Cuts Off On P/back
And Record. | Check If Reel Idler Ok, Replace Int. Reel Motor.
Rmotv1008gezz. |
| VCR | SHARP | VC9300 | Interm. White Lines Break Up Of Pic.
On E-e And P/back. | Only On Rf Out Not Video Out. Replace Ic403 On Y/c
Pcb. |
| VCR | SHARP | VC9300 | Intermittent Colour On
Playback. | 1. D/j On C534.
2. Craked P.C. Board Near Centre Retaining Screw
Around R538. |
| VCR | SHARP | VC9300 | Intermittent No Power. | D/j
Mains I/p Board. |
| VCR | SHARP | VC9300 | Intermittent Wow On
Sound. | Change R745. Check Also For D/j's Around Ic7753 And C788
(leaky). |
| VCR | SHARP | VC9300 | Intermittently Shuts Down. No
Functions No Display | C903 Low Capacitance. (47uf 16v Servo/sys Con
Pcb) |
| VCR | SHARP | VC9300 | Loses Colour On
Recordings | Change Filter Fl504 Rmptdoo52gezz. |
| VCR | SHARP | VC9300 | Low Reel Motor Torque | Q7754
2sd882 |
| VCR | SHARP | VC9300 | Low Reel Motor Torque On Play And
Record. | Q7754 (2sd882). |
| VCR | SHARP | VC9300 | Low Reel Torque In All
Modes. | Look For D/j's On Q8001 Located At Rear Of Chassis Along Side
Head Drum. |
| VCR | SHARP | VC9300 | Mains Fuse Blown (f9001
2.5a) | Check Q7754 For O/c And R7758 (27 Ohm), Change Q903 And D901 On
Mechanon Board. |
| VCR | SHARP | VC9300 | No "stop" Function. | Poor
Connection Plug Ha. |
| VCR | SHARP | VC9300 | No 12v Reg From Psu | R9019
15ê , Q9006 2sc1983 |
| VCR | SHARP | VC9300 | No Capstan Drive | Plug Ad
Crimped |
| VCR | SHARP | VC9300 | No Colour Int In
Record | Fl504 D0052ge |
| VCR | SHARP | VC9300 | No E.E. Picture. | Check Q721
O/c In Tuner, Use Bc337. |
| VCR | SHARP | VC9300 | No Eject | Ic801 |
| VCR | SHARP | VC9300 | No Output From
Modulator. | Check L2 O/c (12 Volt Supply). |
| VCR | SHARP | VC9300 | No Picture - No
Sound. | Tuner/aux. Switch In Aux./position. |
| VCR | SHARP | VC9300 | No Picture In Ee
Mode. | Replaced C204 (220 Mfd 10v). |
| VCR | SHARP | VC9300 | No Picture In Ee Or
Pb | Fl202 |
| VCR | SHARP | VC9300 | No Picture In Ee Or
Playback. | Replaced Ic403 On Video Pcb. |
| VCR | SHARP | VC9300 | No Picture In
Playback. | Change C439 If Fault Still Present Change Ic402. |
| VCR | SHARP | VC9300 | No Power | F9001 O/c Q9001
Shorted |
| VCR | SHARP | VC9300 | No Power, No Clock. | No 240v
To Mains Transformer? Check R901, Change C901 (.1 Mfd). If Voltage To Power
Supply Change C9009 (10 Mfd 63v). |
| VCR | SHARP | VC9300 | No Reel Drive | Q8001
2sd880 |
| VCR | SHARP | VC9300 | No Reel Drive In Pb/rec But Ff/fr
Ok | Q7754 |
| VCR | SHARP | VC9300 | No Reel Motor Drive. | Q8001
(2sd880). |
| VCR | SHARP | VC9300 | No Reel Torque On Playback Or
Record. | Change Q7754 2sd882 And Add 27 Ohm Collector To
Emitter. |
| VCR | SHARP | VC9300 | No Reg 12v From Power
Supply. | R9019 (15 Ohm) Q9006 (2sc1983). |
| VCR | SHARP | VC9300 | No Reg. 12v Pin 2 Ae. | Check
R9019 (15 Ohms). Check Q9006 Use (2sc1826). |
| VCR | SHARP | VC9300 | No Reverse Search With Tape
Inserted. | Change Reel Motor. |
| VCR | SHARP | VC9300 | No Rew., F.F Ok. Pressing Rewind
Again Produces F.F. & Rew. | Check R7751 Relay Sticking. |
| VCR | SHARP | VC9300 | No Rewind | Ry7751 |
| VCR | SHARP | VC9300 | No Sound. In E.E. And
Playback. | Faulty Rf Converter - Replace. |
| VCR | SHARP | VC9300 | No Video On E-e Mode. | Change
C204 (220mfd 10v). |
| VCR | SHARP | VC9300 | Noise Bars Floating Through Picture
- No Colour On Play. | X502 (4.43 Mhz) Xtal Faulty. Divided Down For 50 Hz
Reference In Capstan Servo, Phase Lock Etc. Can Also Be Failure Of Ic504
(an6342n). |
| VCR | SHARP | VC9300 | Noise Bars Move Slowly Through The
Pic. Sound Dosen't Wow. | Check The Capstan Lock Voltage At Tp3 When The
Flywheel Is Slowed By Hand, It Doesn't Alter. Usually Waveform Tp1 Is Missing,
Due Either To D707 Being Leaky Or R475 (82 K Ohm) O/c. If The Drum And Capstan
Servos Are Both Wowing, Check That The Pb 50hz Signal Is Steady. |
| VCR | SHARP | VC9300 | Noise On Cue | Lub Roller Asy
#17 In Parts List |
| VCR | SHARP | VC9300 | Noisy Picture On Own
Recording. | Mono Multi Q702/q703 Out Of Adjustment. Adjust
R709. |
| VCR | SHARP | VC9300 | Not Erasing On Record | C611
C512 |
| VCR | SHARP | VC9300 | On Rec. Noise Bars Floating Through
Pic. | Not Recording Control Pulses On Tape When Recording C717 (.33 Mfd
Tant) Faulty. Also Can Be Failure Of I.C. 701 (an6344). |
| VCR | SHARP | VC9300 | Pic And Audio Muted On
Pause | Q817 |
| VCR | SHARP | VC9300 | Pic Unstable In Ee | Zener
I1401 Ix0037ge |
| VCR | SHARP | VC9300 | Pic Unstable On E-e | Zener Ic
I1401 (ix0037ge). |
| VCR | SHARP | VC9300 | Picture Un Stable On Some
Channels. | Replace Zener Ic, 11401, Rhix0037gezz. |
| VCR | SHARP | VC9300 | Plays For Three Sec. Then Motors
Stop. | Int After Load Switch. |
| VCR | SHARP | VC9300 | Poor Or No Drum
Rotation | Ic704 M51724p Drum Current Driver |
| VCR | SHARP | VC9300 | Poor Or No Luminance | Change
Ic403 |
| VCR | SHARP | VC9300 | Poor Picture In Ee &
Play | Ic403 Iz0008ge |
| VCR | SHARP | VC9300 | Poor Picture No
Luminance. | Replaced Ic403. |
| VCR | SHARP | VC9300 | Poor Picture On E-e And
Play. | Ic403 (iz0008ge). |
| VCR | SHARP | VC9300 | Poor Recorded Picture. | C204
(22ouf) |
| VCR | SHARP | VC9300 | Recorded Picture Poor | C204
220 æf |
| VCR | SHARP | VC9300 | Rf Interf. On Low Ch. Under Weak
Signal Conditions. | Remove R9004 And C9006. |
| VCR | SHARP | VC9300 | Stops After 30 Minutes On
Playback | If Fault Occurs In Play Or Record But Not Fast Wind,check Drum
Pick Up Head. |
| VCR | SHARP | VC9300 | Stops As Soon As Laced
Up | Ic2002 Pcw-d Head Sw Pulswe Low |
| VCR | SHARP | VC9300 | Stops For No Reason And /or Chewing
Tapes. | Capstan Bearing Is Binding. Remove, Clean And Lubricate Capstan
Flywheel Bearing. |
| VCR | SHARP | VC9300 | Tape Jammed. | Cassette Cover
Release Spring (4) Fig. 35 Is Bent - Replace. |
| VCR | SHARP | VC9300 | Tape Speed Varies. | S/h O/p
(9) Ic703 Permanently Around 10v. Replace Ic703. |
| VCR | SHARP | VC9300 | Tape Spills Out From The Supply
Reel: Wont Rew. At End. | Check Reel Motor Faulty And Will Not Work Under
Full Load, Or Reel Idler Wheel Binding On Shaft Or Chassis And/or Clutch
Binding, Faulty Slide Switch. |
| VCR | SHARP | VC9300 | Tapes Getting Chewed. | Worn
Out Brushes In Reel Motor - Change Reel Motor.
intermediate Drive Wheel For Supply And Take Up Spools Seized. Rough Edges On
Guide Slots For Intermediate Drive Wheel - Smooth Off Roughness Very Carefully
Without Enlarging Slots. This Fault Usually Occurs When E120/180 Tape Has Been
In Play Or Record Mode For About Half Of The Tape Length. |
| VCR | SHARP | VC9300 | The Cassette Housing Stops Half
Way. | Check Eject Finish Switch On The Cassette Housing For
O/c. |
| VCR | SHARP | VC9300 | Unit Dead. | 1. Fuse F901
Loose - Adjust Holder For Firm Grip Of
Fuse.
2. Q9003, Q9002 S/c. |
| VCR | SHARP | VC9300 | Very Poor Playback
Picture. | No Signal From One Head, Look For D/j On Rotating
Transformer. |
| VCR | SHARP | VC9300 | White Out On Ee | R239
Dj'd |
| VCR | SHARP | VC9300 | Won't Play, Rew Or F.F. Record
Ok. | Check Output At Ad4, If So D/j Under Plug Ha13 Or Crack In Cct
Board. |
| VCR | SHARP | VC9300 | Won't Take Up. | Remove T/u
Spools, Clean And Grease. Replace Idler, Greas Underneath. |
| VCR | SHARP | VC9300 | Wont Tune To Stations. | Check
Aux/tuner Switch Faulty. |
| VCR | SHARP | VC9500 | Sound Warble. | Reel Motor
Faulty. |
| VCR | SHARP | VC9700 | 11v And 13v Rails
Down. | Check D9008 In P/s. Also Check For Corrosion Of Component Legs
Caused By Holding Glue. |
| VCR | SHARP | VC9700 | After Several Hrs Picture Pulling At
Top. | Check For Rubbing Sound From Drum Bearing. |
| VCR | SHARP | VC9700 | Chews Tapes. | Q708
S/c |
| VCR | SHARP | VC9700 | Clock Display Too
Bright. | Check D6603 S/c If Clock Ic15002 Faulty. Remove C5007 Before
Changing Ic15002. |
| VCR | SHARP | VC9700 | Clock Dist./flash. Capstan/drum
Motors Interm. Start. - | Replace Ic5002. |
| VCR | SHARP | VC9700 | Display Goes Dim After 1
Hour. | Check Pr6601 On Audio Board. |
| VCR | SHARP | VC9700 | Drum No Go. | L701 On Servo
Pcb Or Remove Glue From Q718 And Q719. |
| VCR | SHARP | VC9700 | Failure To Accept
Tape. | Check Casss In Switch If Ok Q810. |
| VCR | SHARP | VC9700 | Head Drum To Go. | Check L701
On Servo Pcb. |
| VCR | SHARP | VC9700 | Int Failure To Play. | Check
Drum Doesn't Rotate When Faulty Present, E52 Low 1 Volt. Drum Muting Trans Q719
Leaky. |
| VCR | SHARP | VC9700 | Int Failure To Record
Sound. | Change Relays, Change C648 To .1 Mfd, R693 To 10 K Ohm .25w. Or
.01. |
| VCR | SHARP | VC9700 | Int Loss Of Colour. | Check
Ic301 (sa8063) Overheating. Replace. |
| VCR | SHARP | VC9700 | Int Reel Drive. | Dj On Pin 18
Of Ic704. |
| VCR | SHARP | VC9700 | Int Wowing In Play. | Check
Q710 O/c. |
| VCR | SHARP | VC9700 | Intermittently Dead With No Clock
Display. | Check Chopper Regulator Chip 19001 (stk722b) Also
Q9001. |
| VCR | SHARP | VC9700 | Loss Of Field Sync In
Record. | Check C542 On Y/c Board Should Be .1 Mfd Not .33 Mfd. |
| VCR | SHARP | VC9700 | No Display | 4ê7 Ptc Ht Feed
To -30 Volt And Heater Line |
| VCR | SHARP | VC9700 | No Go No Clock | Q5002 Or
Circuit Board O/c |
| VCR | SHARP | VC9700 | No Line Sync In Visual
Search. | Replace Idler And Reel Motor. |
| VCR | SHARP | VC9700 | No Operate, No Clock. | Q5002
U/s Or Print To Collector O/c. |
| VCR | SHARP | VC9700 | No Pic On Play Or E-e Pic Is On
Play. | Glue On Q809 (rec 11v Switch). |
| VCR | SHARP | VC9700 | Rf Interference On Low
Channels. | 1. Unsolder "mgnd". Green Wire At K9005.
2. Unsolder "gnd" Brown Wire At K9003 And Resolder At
C9006 "-". |