| VCR | 4H40D | Muted Grey Screen In Playback Of Record, Sound
O.K. | Replace Ca06 100uf 10 V Capacitor In Head Amp. |
|---|
| VCR | ALL AWA MODELS | Lines Or Noise Bars In Pic. Of Pre Rec.
Playb. Ok. | Check Take Up And Supply Guide Posts Loose And Out Of
Alignment. Monitor T.P.2c On Oscilloscope Whilst Triggering From T.P.2h Or
T.P.4c. Adjust Guide Posts To Achieve A Flat Rf Envelope. |
|---|
| VCR | AT1 | See Awa Av1 | |
|---|
| VCR | ATV1 | Capstan Speed Drifting | C441 (.1uf) On Pcb
S-j |
|---|
| VCR | ATV1 | Cuts Out In Play | Worn 'l' Plate, Faulty
An318, Drum Flywheel Loose. |
|---|
| VCR | ATV1 | Drum Servo Not Locked | An318 Faulty Or Drum
Flywheel Loose. |
|---|
| VCR | ATV1 | Horiz Jitter Across Picture. | If Volts Across
D404 More Than 8.5v Put 7.5 Zener Across It. |
|---|
| VCR | ATV1 | Int Play & Record When Hot. | Make Sure R548
Is 5.6k & Not 56k |
|---|
| VCR | ATV1 | No Colour On Play | X631 Faulty |
|---|
| VCR | ATV1 | Patterning On Pic On Play And Record | Make
Sure "all" Pcb Mounting Screws Are In Place |
|---|
| VCR | ATV1 | White Noise & Streaking On Play | Clean Static
Discharge Contacts On Bottom Of Drum. |
|---|
| VCR | ATV10 | All Lights On, Won't Play. | Ic500
(mc14171b). |
|---|
| VCR | ATV10 | Audio Motorboats In Playback. | Replace
Play/rec Relay In Audio Section On Main Pcb. |
|---|
| VCR | ATV10 | Breaks Tapes On Rew, No F/f | Pinion Gear On
T/u Motor. |
|---|
| VCR | ATV10 | Chews Tapes Or Will Only Play In Cue
Mode. | T/u Motor Faulty. |
|---|
| VCR | ATV10 | Drum Speed Hunting | Vr4a0 Sets Drum Speed.
Also Remove Glue From Track Side Of Pcb. |
|---|
| VCR | ATV10 | Int Capstan Runs Fast. | Dj's On Ic
4b0. |
|---|
| VCR | ATV10 | Int Not Recording Sound. | Hard Wire Erase
Head. |
|---|
| VCR | ATV10 | Int Or No Colour On Play/rec. | Adj Vc6ao For
4.43mhz On Pin 14 Of Ic6ao, If Not Put 12pf Across C603. |
|---|
| VCR | ATV10 | Interm. Capstan Speed Runs Fast. | Check For
Dry Joint On Pin 5 Of Ic 4bo. |
|---|
| VCR | ATV10 | Loads Tape Then Drum Shuts Down And Ee Keeps
Playing. | Load Belt Slipping. |
|---|
| VCR | ATV10 | Low Sound With Humming Noise. | Relay
K3fo. |
|---|
| VCR | ATV10 | No Or Interm. Colour In Playback. | Adjust
Vc6a0. |
|---|
| VCR | ATV10 | No Sound | Relay K3fo (mz-9b) |
|---|
| VCR | ATV10 | No Sound, Or Int Sound. | Change Faulty Relay
K3fo (mz-9b) |
|---|
| VCR | ATV10 | No Take-up In Play/rec. Modes
Intermittent. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV10 | No Tape Functions. Won't Eject. | Load Belt
Stretched/ Broken. |
|---|
| VCR | ATV10 | Not Recording Audio Or Erasing Previous Signal On
Tape. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV10 | Not Recording Sound On Blank Tape. Prev. Rec. Sound
Heard. | Cut Off Plug D.F. On Full Erase Head And Wire Direct To P.C.B.
Add A 2200 Pf Greencap Across Pins 1 And 3 Of Oscillator (bias) Coil. Check Osc.
Freq. Range 68-72 Khz. |
|---|
| VCR | ATV10 | Not Switching From Tuner Pic. To Tape Pic. In Play,
Interm. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV10 | Pic. Jumping In P/back. Noise Bars In Pic. During
P/back. | Adjust Tape Guide Rollers Then Tighten. |
|---|
| VCR | ATV10 | Poor Or No Picture | Adjust Entry And Exit
Guides To Head Drum. Locking Screw Comes Loose. |
|---|
| VCR | ATV10 | Slow Play, Supply Motor On All The
Time. | Q5c4 (2sa1115) |
|---|
| VCR | ATV10 | Slow Playback. Burn Mark Around Bottom Rim Of Upper
Drum. | Replace Reel Motor Or Check To See That Reel Motor Isnt On At All
Times. If So Replace Q5c4 |
|---|
| VCR | ATV10 | Sound Will Not Erase. | Remove Plug/socket
From Erase Head And Wire Cable Direct To Pcb. |
|---|
| VCR | ATV10 | Wont Always Rec. Audio. Prev. Audio Track Can Be
Heard. | Solder Wires Directly Onto The Erase Head. |
|---|
| VCR | ATV10 SEE ATV 5 | | |
|---|
| VCR | ATV11 | No Drum Control. No Colour. | Upper Drum
Assembly Faulty, Change C640 S/c. |
|---|
| VCR | ATV11 | No Take Up Motor Drive. | Change Q5b4
(25a1115) (search Transistor) |
|---|
| VCR | ATV11 | No Take-up In Play/rec. Modes
Intermittent. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV11 | Not Recording Audio Or Erasing Previous Signal On
Tape. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV11 | Not Switching From Tuner Pic. To Tape Pic. In Play,
Interm. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV11 | Poor Take Up Torque And/or Noisy F.F | Change
T/u Motor. |
|---|
| VCR | ATV14 | All Tape Functions Stop After Several
Seconds. | Check Take-up Side Reel Photo Sensor, Gp2l04. P.No.
268p02601. |
|---|
| VCR | ATV2 | Can't Tune Tv Channels. Tuning Line Stuck On 30
V. | If No 6 Button Tunes Ok Replace D7a5 {prog 6 Isolation
diode} |
|---|
| VCR | ATV2 | Capstan Motor Inoperative. | Change Q443.Q439
(2sc1162c) On Servo Pcb. |
|---|
| VCR | ATV2 | Capstan Not Turning | Q444 Dj'd Or Motor
Sticking. |
|---|
| VCR | ATV2 | Capstan Speed Faulty | Ic401, X631 Faulty Or
Adjust Vr414. |
|---|
| VCR | ATV2 | Clock Or Program Not Working | V8f1 Or Ic8fo
Faulty. |
|---|
| VCR | ATV2 | Cue And Review Inoperative. | Change Ic4604
(tc4001bp) Located On Audio Search Board. |
|---|
| VCR | ATV2 | Cue\review Not Working. | D5a5 Faulty, Capstan
Motor Needs Lubrication. |
|---|
| VCR | ATV2 | Day Of The Week Will Not Strobe. | Ic8f1
Faulty Or Dj's On Pcb Ch.Pro. |
|---|
| VCR | ATV2 | Distorted Play | Ic401 Or Dj On Q2b3 |
|---|
| VCR | ATV2 | Drum Motor Not Turning. | Ic403
Faulty. |
|---|
| VCR | ATV2 | Drum Motor Too Fast. | Ic403 Faulty. |
|---|
| VCR | ATV2 | E-e Picture Not Cancelling On Play. | Q2a3
Leaky. |
|---|
| VCR | ATV2 | Erratic Clock Operation | D908 Or Q907 Faulty,
On Psu Pcb. |
|---|
| VCR | ATV2 | Goes Into Review When Play Pushed. | Adj Duty
Cycle Vr 4601 & Vr602 Presets. |
|---|
| VCR | ATV2 | Intermittent Audio | Ic3fo {an262}
Faulty. |
|---|
| VCR | ATV2 | Intermittent Loss Of Colour, Recorded Servo
Upsets. | Check Colour Killer Adjustment. |
|---|
| VCR | ATV2 | Intermittent Sound. | Change Ic3fo
(an262) |
|---|
| VCR | ATV2 | No Capstan | Q443, Q439 On Servo
Pcb. |
|---|
| VCR | ATV2 | No Colour On Play. | Dj On Q635 Or Q640. Ic631
{an305} Faulty. |
|---|
| VCR | ATV2 | No Colour On Record. | Ic640 (an236)
Faulty. |
|---|
| VCR | ATV2 | No Colour On Record. | Change Ic640
(an236) |
|---|
| VCR | ATV2 | No Cue\review. | Ic4604 (tc4001bp). |
|---|
| VCR | ATV2 | No Recording Colour | Ic641 Or C6m8
Faulty. |
|---|
| VCR | ATV2 | No Sound On E-e | Ic3f1 Faulty Or Dj On 5 Pin
Din Socket |
|---|
| VCR | ATV2 | No Video On E-e | Ic211 Leaky. |
|---|
| VCR | ATV2 | No Video On Play | Df2a1 O/c. |
|---|
| VCR | ATV2 | Slow Cue And Review - Wow In Sound. | Change
Capstan Motor - Top Bearing Seizing. |
|---|
| VCR | ATV2 | Slow Cue/review, Wow & Flutter. | Top Bearing
In Capstan Motor, Try Lubricating. |
|---|
| VCR | ATV2 | Smear On Recording Picture. | Q214
Leaky. |
|---|
| VCR | ATV2 | System Will Not Load To Play Or
Record. | Change Q5e3 (2sa673) On Motor Control Pcb, If No 15 Volt To Pin
28 Of Ic. |
|---|
| VCR | ATV2 | Vcr Will Not Switch From Video To Tv. | Change
Ic5lo (tc4013bp) On Program Pcb. |
|---|
| VCR | ATV2 | White Bar Thru Pic On Play | Ic5lo
Faulty. |
|---|
| VCR | ATV2 | Won't Load To Play/record. | Q5e3 (2sa673) On
Motor Control Pcb. |
|---|
| VCR | ATV2 | Won't Switch From Vtr To Tv. | Ic5lo
(tc4013bp) On Program Pcb. |
|---|
| VCR | ATV2 | Wowing Audio, No Search Mode On "slow Search
Mode" | Check For Faulty Capstan Motor. |
|---|
| VCR | ATV20 | Audio Not Muting In Cue & Review
Modes. | Q3ao Open Circuit. |
|---|
| VCR | ATV20 | Blowes Fuses. | Replace 1c902 & Check
Q972. |
|---|
| VCR | ATV20 | Capstan Speed Too Fast | Ic419
(ba856) |
|---|
| VCR | ATV20 | Hum In Sound | Relay In Audio
Circuit. |
|---|
| VCR | ATV20 | Int Capstan Speed | Ic418 (ma7434)
Faulty. |
|---|
| VCR | ATV20 | No Audio On Play. | No 9v To Audio, Ic3a4
Faulty. |
|---|
| VCR | ATV20 | No Capstan Drive | Relay K4a1
Faulty |
|---|
| VCR | ATV20 | No Clock Display | Ic501 Faulty. |
|---|
| VCR | ATV20 | No Colour On Play | Remove Glue From Chroma
Pcb, Under Shield. |
|---|
| VCR | ATV20 | No Drum | Dj's On Ic4p1, Ic4po, &
Ic4p2. |
|---|
| VCR | ATV20 | No Or Low Audio On Play | R3e9 O/c Or High In
Value |
|---|
| VCR | ATV20 | No Take-up In Play/rec. Modes
Intermittent. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV20 | Not Erasing Audio | Hard Wire Full Erasse
Head. |
|---|
| VCR | ATV20 | Not Locking In Cue Mode. | C452 Open
Circuit. |
|---|
| VCR | ATV20 | Not Recording Audio Or Erasing Previous Signal On
Tape. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV20 | Not Switching From Tuner Pic. To Tape Pic. In Play,
Interm. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV20 | Pic. Jumping In P/back. Noise Bars In Pic. During
P/back. | Adjust Tape Guide Rollers Then Tighten. |
|---|
| VCR | ATV20 | Pulsing Sound, Pic Unstable, Colour
Smeary. | Capstan Motor. |
|---|
| VCR | ATV20 | Wont Always Rec. Audio. Prev. Audio Track Can Be
Heard. | Solder Wires Directly Onto The Erase Head. |
|---|
| VCR | ATV21 | No Take-up In Play/rec. Modes
Intermittent. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV21 | Not Recording Audio Or Erasing Previous Signal On
Tape. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV21 | Not Switching From Tuner Pic. To Tape Pic. In Play,
Interm. | Check For Slipping Load Belt. P.No. 521d033010. |
|---|
| VCR | ATV30 | Drum Hunting | Dj's On Drum Mda Pcb. (top Of
Mechanism Near Pinch
roller) |
|---|
| VCR | ATV30 | Head Switch Point Adjustment | Vr4a2,
Vr4a3 |
|---|
| VCR | ATV30 | Hum In Sound | Relay In Audio
Cidrcuit. |
|---|
| VCR | ATV30 | Shuts Off During Playback And Spills
Tape. | Check Whether Plastic T.U. - Drive Gear Is Loose On The Shaft, And
If So, "locite" Gear Onto Shaft, Or Replace T.U. - Assembly. |
|---|
| VCR | ATV4 | 15 Volt B+ Supply Missing | Change D908 (eqa
01 - 16r) And Q907 (2sc1983) 15v Regulator. |
|---|
| VCR | ATV4 | Capstan Motor No Go. | Cable Clamp On Ad/sv
Pcb Adrift. |
|---|
| VCR | ATV4 | Capstan Runs Fast When Released From Speed
Search. | Faulty Photo Interrupters On Capstan Flywheel. |
|---|
| VCR | ATV4 | Chews Tapes When Ejecting. | Faulty Supply
Motor Or Spool Brakes. |
|---|
| VCR | ATV4 | Colour Dropout In Playback. | Replace
Transistor Q6f4. |
|---|
| VCR | ATV4 | Dead | Q902 In Power Supply O/c. |
|---|
| VCR | ATV4 | Distorted Picture In P/back. Drum Motor Speed
Unstable. | Replace Ic406. |
|---|
| VCR | ATV4 | Drum & Capstan Fast After 5 Minutes. | Q445
Leaky. |
|---|
| VCR | ATV4 | Drum Motor Runs Really Really Fast | Dj's On
Ic405 Bottom Pcb. |
|---|
| VCR | ATV4 | Drum Running Flat Out. | Dj's On Ic405 Or Q417
On Pcb Ad/sv. |
|---|
| VCR | ATV4 | E-e Sound Cracling. | Ic3f1 (tc4066)
Faulty. |
|---|
| VCR | ATV4 | F/f Or Pause Light On, Machine
Erratic | Ic5ao (tms1300-2143) |
|---|
| VCR | ATV4 | In Play, E-e And Play Video Mixed
Together. | Ic2a2. Pin3 Is 6v Instead Of Ov. |
|---|
| VCR | ATV4 | Int Drum Speed | Ic406 (upc339c)
Faulty. |
|---|
| VCR | ATV4 | Intermittent Video Head Speed. | Change Ic406
(upc 339c) |
|---|
| VCR | ATV4 | Lines In Pic. In Playback. Drum Motor Goes Very
Fast. | Resolder Dry Joints On Ic405. |
|---|
| VCR | ATV4 | Locked In Pause. | Ic5ao (tms1300-2143) On
Mecha Cont Pcb. |
|---|
| VCR | ATV4 | No 15v Rail | D908 & D907 Faulty. |
|---|
| VCR | ATV4 | No Audio On E-e Or Play | Ic3f1 (tc4066)
Faulty. |
|---|
| VCR | ATV4 | No Colour & Loss Of Drum Lock. | X6f2
(4.43mhz) Faulty. |
|---|
| VCR | ATV4 | No Colour In Play | Ic6fo (an6360) Or X6f1
Dj'd. |
|---|
| VCR | ATV4 | No Eject Or Mecha Functions. | F902
Loose. |
|---|
| VCR | ATV4 | No Pic On Play, Lost On Head. | Ic201
(an632on) |
|---|
| VCR | ATV4 | No Power | Q907 Faulty. |
|---|
| VCR | ATV4 | No Review, Slow To Slow Down After Cue. | Dj
On Q412. |
|---|
| VCR | ATV4 | Not Erasing Video Properly. | Plug Ax On Pcb
Ad/sv Loose. |
|---|
| VCR | ATV4 | On Stop, Unloads Then Partially Reloads Before
Stopping | Ul Switch (436poo209). |
|---|
| VCR | ATV4 | Patterning On Play | Zener Diode D
916. |
|---|
| VCR | ATV4 | Plays For Few Seconds Then Stops. | Adjust
Drum Pg Head To Flywheel. |
|---|
| VCR | ATV4 | Recorder Locked In Pause Mode. | Change Ic5a0
(tms1300-2143) On Mechanon Board. |
|---|
| VCR | ATV4 | Snowy Pic | Q72 (2sc711a) On Tuner
Pcb. |
|---|
| VCR | ATV4 | Snowy Picture In Ee. | Replace Mc5156 Ic In
Antenna Booster Module. |
|---|
| VCR | ATV4 | Snowy Picture. | Change Q72 (25c711a) (on
Tuner Board). |
|---|
| VCR | ATV4 | Snowy Picture. | Replace Q72. |
|---|
| VCR | ATV4 | Snowy Pictures On E To E, Tape Playback
Ok. | Change Antenna Booster Ic Mc5156.(add 2 Diodes 152471 Back To Back)
From Pin 11 Of Ic To Earth. |
|---|
| VCR | ATV4 | Sound Goes Intermittent. | Change
Rec./playback Relay, Faulty (audio). |
|---|
| VCR | ATV4 | Stopping In F/f | T/u Motor
Intermittent. |
|---|
| VCR | ATV4 | Stops During P/back Or Rec.
Intermittently. | Dry Joints Ic401 Or Q570 And 571 Faulty Or Replace
Intermittent Sensor Lamp. |
|---|
| VCR | ATV4 | Stops On Play/rec. | Dj's On Ic401 Or Q570 &
Q571 Int Pt No:260p45102 |
|---|
| VCR | ATV4 | Stops On Playback Or Record. | Check For D/j's
On Ic401, Tr Photo's May Go Intermittent. Q570 And Q571. Part No. 260
P45102. |
|---|
| VCR | ATV4 | Stuck In Pause Mode When Play Or Rec. Modes Are
Selected. | Replace Ic 5ao. |
|---|
| VCR | ATV4 | When Speed Searching, Tape Stops Or Motors
Clatter. | Adj Vr408/9. See Page 24 In Service Manual. |
|---|
| VCR | ATV4 | Won't Unload | Al Switch (436poo209) |
|---|
| VCR | ATV5 | Drum &/or Capstan Int Start | Ic4ao (tms1300
2143) Also Refer Atv4. |
|---|
| VCR | ATV5 | Drum Very Fast | Dj's On Ic411 |
|---|
| VCR | ATV5 | E/e Pic When On Play | Ic419
(tc4049) |
|---|
| VCR | ATV5 | Goes To Rew On All Functions. | Replace Ic In
Remote Control. |
|---|
| VCR | ATV5 | Goes To Rew. On All Functions. | Change Ic In
Remote Control. |
|---|
| VCR | ATV5 | Goes To Rewind When Any Function
Selected. | Replace Ic In Remote Control. |
|---|
| VCR | ATV5 | Heads May Clog Up Easily; Excessive Back
Tension. | Change Supply-spool Motor, "sticking". Adjust Back Tension As
Per Manual. |
|---|
| VCR | ATV5 | Intermittent Erratic And Tearing Picture, Sound
Drags. | Change Supply - Spool Motor, "sticking". Adjust Back Tension As
Per Manual. |
|---|
| VCR | ATV5 | Loads Tape Ok - Then Unloads. Won't
Play. | Check If Shut-down Occurs Just After Pinch Roller Engages. Capstan
Excessive, Causing Tape Looping And Operation Of Slack Sensor. Change Ic402
(capstan Drive Servo) |
|---|
| VCR | ATV5 | Loads Tape When Play Is Selec. Unloads Then
Stops. | If This Happens Just After Pinch Roller Engages And Capstan
Speed Too Fast Causing Tape To Loop Which Activates Slack Sensor Replace
Ic402. |
|---|
| VCR | ATV5 | No Colour Phase Lock In Playback. | Adjusted
Vc6f2. |
|---|
| VCR | ATV5 | Noise Bars On Picture, Top Or Bottom. | Check
Tape Path Alignment Guides. |
|---|
| VCR | ATV5 | Remote Not Working, Led Flashing. | Icmo1
(m5848p) |
|---|
| VCR | ATV5 | Sluggish Rewind | Normally Caused By Added
Loadingof Head Motor - Depending On Mode. Note; Back Tension Is Done
Electrically. |
|---|
| VCR | ATV5 | Snowy Pic In Tv & E-e Modes. | Ic In Booster.
(mc5156) |
|---|
| VCR | ATV5 | Snowy Picture In Ee. | Replace Mc5156 Ic In
Antenna Booster Module. |
|---|
| VCR | ATV5 | Snowy Picture In Tv And Vcr Modes. | Change Ic
In Rf Booster. Mc156 Part No. 266001109 |
|---|
| VCR | ATV5 | Sound Wows & Flutters. Heads Cont. Getting Fouled
. | Replaced Partly Seized Supply Motor. |
|---|
| VCR | AV1 | Cassette Threads, Starts To Play, Then
Stops. | 6. If Play-key Is Held Down During And After Threading, Without
Autostop Solenoid Activating - Then Fault Is Mechanical. * Play Key Locking
Slot In L Plate (10) On Function Assembly Worn And Releases On Final Click Of
Trading Cycle - Replace Or File "l" Plate. * Make Sure All Springs And Levers
Are Reassembled Correctly. |
|---|
| VCR | AV1 | Cassette Threads, Starts To Play, Then
Stops. | 1. Check Cassette Lamp O/c. 2. Auto Stop Triggered Because Drum
Is Not Rotating. 5- 6 Seconds. 3. No Drum Pulse. Check That Flywheel Is Not
Loose And That It Is Close Enough To P.U. Head. 4. I.C. 3 (servo Ic) An 318. 5.
Check That Take Up Reel Rotates, If Not Auto Stop Triggers After 4-7 Secs.
(belt May Be Broken Or Loose, To Hall-effect Sensor Near The Counter). |
|---|
| VCR | AV1 | Damaged Tapes | 1: Pinch Roller - Clean Or
Replace. 2:take - Up Clutch- Adjust Or Replace. 3:cassette Not Seating Properly
Due To Cassette Compartment Or Heavy-handed Customer |
|---|
| VCR | AV1 | Intermittently Stops Or Dosn't Thread. | Check
For "dead Spot" On Capstan Motor. |
|---|
| VCR | AV1 | Loss Of Top-half Of Picture Unlocked
Picture. | Tension-arm Sticking And Not Applying And Back
Tension. |
|---|
| VCR | AV1 | No Record Or No Audio Dub. | 1: Check Linkages
Out Of Position Near S1 And S2 Of Audio Servo Board. 2:reposition Board - To
Allow Proper Travel Of Switch. |
|---|
| VCR | AV1 | One Head Dead On Own Recordings Only. | Check
Q10, Q11, (preamp Bd). |
|---|
| VCR | AV1 | Picture Wobble, Drifting Chroma W.R.T.
Luminance. | 1:check Servo Alignment. 2:faulty Drum Motor - Especially
Steel Case Models Marked "made In Holland". 3: Check For Erratic Back
Tension. |
|---|
| VCR | AV1 | Unlocked Picture, (like Unlocked Hor.
Hold) | Drum Running Fast. 1: Check Drum Discriminstor A & J.
2: Check Full Servo Alignment. 3: If Intermittent, Check Ic5. |
|---|
| VCR | AV1 | Vertical Jitter On Playback. | 1:check Tape For
Damage On Lower Edge Of Tape. 2:check P.B. Switching Point Is Not Inside
Vertical Interval. |
|---|
| VCR | AV1 | White Static Interference On Playback. | Dirty
Copper "antistatic Brush", Under Drum Flywheel - Remove And Clean. |
|---|
| VCR | AV10 | Intermittent Or No Colour On Record Or
Play. | Adjust Vc6a0 To Get 4.43333 Mhz On Pin 14 Of Ic6a0. If Unable To
Achieve 4.433 Mhz Insert 16 Pf In Parallel With 12 Pf C603 |
|---|
| VCR | AV10 | Slow Playback. Reel Motor On At All Times Power
On. | Change Q5c4 (2sc1115) |
|---|
| VCR | AV11 | Bands Of Noise Across Picture In Play Of Pre-rec
Tapes | Adjust Entrance And Or Exit Guides |
|---|
| VCR | AV11 | Black Pic, Noisy Sound. | Check Q103
(2sc22724) & Ic101 (m5186p) |
|---|
| VCR | AV11 | Blurred E-e | Check Q3a5 (2sc2603) For
O/c. |
|---|
| VCR | AV11 | Capstan Slow | If Pin16 Of Ic4a3(m54896) Is
Low - Replace. |
|---|
| VCR | AV11 | Capstan Too Fast | C4f9 (.22uf) O/c |
|---|
| VCR | AV11 | Displaced Colour, Picture Jitter On Play. | If
Pin 14 If Ic4a1 (tc4066bp) |
|---|
| VCR | AV11 | Drum Too Fast | Q4bo O/c. Or Ic4a8 (an6344).
If Pin 1 Of Ic4a8 Low Check Q4a2. |
|---|
| VCR | AV11 | Int Luma On Play | Dj's On Ic2a0
(m51450p) |
|---|
| VCR | AV11 | Loading Motor Keeps Running When Tape
Inserted | Check Orange Lead Or Switch On Load Mechanism For
O/c. |
|---|
| VCR | AV11 | No Capstan Motor | Ic4a0 (m50129p) |
|---|
| VCR | AV11 | No Clock Display | Check D904 &
Q902. |
|---|
| VCR | AV11 | No Drum Rotation (int?). | R403 (82 Ohm ) O/c.
& Check For Dj's On Drum Pcb. |
|---|
| VCR | AV11 | No E-e | Check D901 & Q901 |
|---|
| VCR | AV11 | No Operate &/or All Days Of The Week Light
Faintly | R915 (10 Ohm Fusible ) O/c & Check Q903 |
|---|
| VCR | AV11 | Slow Speed. Volume Fluctuates | Capstan Motor
Faulty |
|---|
| VCR | AV11 | Snowy On E-e | If 12v Missing On Pin Bu Of
Tuner, Check Q905
(2sc1983) |
|---|
| VCR | AV11 | Snowy Pic With Slight Picture At Top In Play. Cuts
Out. | R4k9 (1.5 Ohm 2w ) O/c. |
|---|
| VCR | AV11 | Sound Varies In Playback. | Check Supply
Motor, & Back Tension. Motor Sus |
|---|
| VCR | AV11 | Takes A Long Time To Come Out Of Visual
Search | Capstan Motor Faulty |
|---|
| VCR | AV11 | Weak & /or Int Colour | Q6a3 (2sc2603) Or
(2sc2724) |
|---|
| VCR | AV11 | Won't Accept Tape | Check For O/c Yellow Lead
On Load Mechanism |
|---|
| VCR | AV11 | Won't Erase Previous Audio | Dj On Erase Head.
Remove Plug & Socket On Head. |
|---|
| VCR | AV11 | Won't Switch Off | Check R908 (1.8k) Or R910
(56 Ohm) O/c |
|---|
| VCR | AV11 | Wow & Flutter | Capstan Motor Faulty |
|---|
| VCR | AV12 | Loss Of Tuning Memory | Caused By Spike On
Mains, Can Be Reduced By
.O1uf Across Mains. |
|---|
| VCR | AV12 | Low Torque After 5 Mins In Play. Looks Like Int.
Pause. | Change Ic5a4 Stk6962. |
|---|
| VCR | AV12 | No Eject, Rew, F/f Etc - No Capstan
Drive. | Stk6962 Ic Faulty |
|---|
| VCR | AV12 | Plays And Records In Black And
White. | Replace Ic 6a0 (hybrid) |
|---|
| VCR | AV12 | Will Not Play Or Load. | Change Ic5a4
(stk6962) |
|---|
| VCR | AV12 | Will Not Tune In Tv Stations. | Resolder Tuner
To Printed Circuit Board - (d/j's). Check Also Soldering Of Ic8a0 For
D/j's. |
|---|
| VCR | AV12 | Won't Accept Tapes. | Ic5a4
(stk6962) |
|---|
| VCR | AV12 | Won't Play Or Load | Ic5a4 (stk6962) |
|---|
| VCR | AV12 | Won't Tune Channels | Dj's On Tuner Pcb
&ic8a0. |
|---|
| VCR | AV12 | Wont Accept Tape. | Replace Mode Select
Switch. Check Idler Fl. |
|---|
| VCR | AV14 | Erratic Functions, Gears Slipping | Replace
Gears & Mode Switch. *grease All Gears Etc* |
|---|
| VCR | AV14 | Intermittently Stops In Play & Record. | Take
Up Reel Sensor Faulty. |
|---|
| VCR | AV14 | Looks Like Bad Heads(no Head Signal) | Replace
Ic4a4 (4077). |
|---|
| VCR | AV14 | Loss Of Tuning Memory | Caused By Spike On
Mains, Can Be Reduced By .01uf
across Mains. |
|---|
| VCR | AV14 | No Clock, No Operation, Power Light On. | Q5a3
Reset Transistor. |
|---|
| VCR | AV14 | No Drum | Ic401 (lb1620) On Mba Pcb. |
|---|
| VCR | AV14 | Not Loading Fully | Check Cam Gear B & Load
Arm Gear For Cracking, Loose
pin On Arm. |
|---|
| VCR | AV14 | Rejects Tapes. | If Pin 20 Of Ic5a0 Is 2.8v
Replace Ic5a0. |
|---|
| VCR | AV14 | Tape Stuck In Loaded Position, Pause Light
On. | Ic5a0 (m50742-653sp) |
|---|
| VCR | AV14 | When Pulling Tape Out, Cassette Slider Goes In &
Jams. | Mode Switch On Side Of Front Loader Faulty. |
|---|
| VCR | AV14 | Won't Turn On. Mss Ok. | Check Edge Convertor
To Timer Display Pcb Pin 22 Should Be 5v On - 0 Off Originates From F Pin 7
(power Switch) |
|---|
| VCR | AV14 | Wont Eject Tape. | Replace Gear 1 Gear 2
Camgearb And Mode Select Switch. |
|---|
| VCR | AV2 | Snowy Picture To T.V. When Connected Through
Vcr. | Change Antenna Amp. Booster (ic Mc 5156). To Prevent From
Re-occuring Fit 2 Diodes (1s2471 Or Similar ) Back To Back From Pin 11 Of Ic To
Earth. |
|---|
| VCR | AV20 | Capstan Motor Intermittent And/or On At All
Times. | Change Ic418 (ma7434) |
|---|
| VCR | AV20 | Int Not Erasing Sound. | Remove Plug On Full
Erase Head And Solder Leads Directly To P.C.B. |
|---|
| VCR | AV20 | Pulsing Sound, Picture Questionable - Colour Tends
To Smear | Check Capstan Motor Speed - Replace If Unstable. |
|---|
| VCR | AV21 | After Cue Pressed Vcr Goes To Review & Stays
There. | Adjust Vr4131 Capstan Fg For 320 Mv At Tp6. |
|---|
| VCR | AV21 | Drum And Capstan Motor Hunts. No Reel Drive Unless
Stall Drum. | Missing 4.43meg Crystal From Connector Su On Pcb Signal
Board.
signal Board Is Under Top Board. Remove Shield And Remove Glue From Pins Of Ic
6ao. |
|---|
| VCR | AV21 | Int Colour On Play | Remove Yellow Glue From
Pcb & Check Xtal Lugs. |
|---|
| VCR | AV21 | Poor T/u Torque And/or Noisy F.F | Change
"polling" T/u Motor. Check Load Belt. |
|---|
| VCR | AV21 | Records Flashing Colour | Q6m0 Faulty No Comp
Sync Out. |
|---|
| VCR | AV21 | Won't Switch To Lp. | Relay Faulty On Drum
Assy. |
|---|
| VCR | AV29 | Head Switch Adjustment. | Adjust Vr4a2,
Vr4a3 |
|---|
| VCR | AV337 | No Colour In Playback. | Adjust
Vc6ao. |
|---|
| VCR | AV400 | Drum Int Stops & Runs Backwards. | Check For
Dj On Brown Wire To "da" Socket On Mda Pcb. |
|---|
| VCR | AV400 | Int Slow Load & Int Drum & Capstan Lock. | X'
Tal X1440 (4.433619 Mhz) Faulty |
|---|
| VCR | AV400 | No E/e Sound On Stero (l/man R/sub Posit. Of Audio
Monitor) | C3261 47ouf Leaky (hifi Pcb) Or R 3411 1oouf &q3601
o/c |
|---|
| VCR | AV400 | Noise In Hi-fi. | T.P. 3n Rf Envelope T.P. 3y
H/switch Adjust Vr3604. |
|---|
| VCR | AV400 | Picture Goes Into Pause Itself. Capstan Interm.
Stop/start. | Replace Ic5a4. |
|---|
| VCR | AV400 | Rf Interference On Top Or Bottom Half Of
Picture | Adjust Vr3301 (fm Channel Balance) |
|---|
| VCR | AV400 | Won't Rew Or F/f, Loads & Unloads Before
Attemp.Rew, F/f | Mode Selector Switch Faulty. |
|---|
| VCR | AV410 | Chewed Gears | Mode Switch Faulty. |
|---|
| VCR | AV410 | Distorted Pb Picture (heavy Lines Flashing Across
Screen) | Check Ic2a0 Ehm-m96a5u61k. |
|---|
| VCR | AV410 | Drum Slowly Hunting. | Check C4d0 47uf/25v.
Near Q4a1. |
|---|
| VCR | AV410 | Loss Of Servo Lock | Reg 5v Down To 4.4v.
Check Ic971 (njm785a) |
|---|
| VCR | AV410 | Slow Loading, Vtr/tv Switch Not
Operating | Check C506 22ouf/10v On Pcb Ope. |
|---|
| VCR | AV411 | No Video From Tuner. Audio Ok. Video P/back
Ok. | Remove Glue From Video Mute Pcb.. |
|---|
| VCR | AV47 | See Av337 | |
|---|
| VCR | AV47 | Snowy Picture Both Off Tape And Off Air. Any Tape
Recorded On This Machine Also Gives A Snowy Picture On Any Other
Machine. | Replace Rf Converter As This Unit Includes The Antenna Booster
Amplifier As Well. The Module Is Not Meant To Be Repaired So Replacement Is The
Only Practical Treatment. |
|---|
| VCR | AV51 | No Drum Rotation | Dj's On Ma
Connections. |
|---|
| VCR | AV51 | Wont Accept Tape. | Replace Mode Select
Switch. Check Idler Fl. |
|---|
| VCR | AV61 | Poor Tuner | Replace Cap In If Stage 1æ 50 V
C715 |
|---|
| VCR | AV61 | See Ghv1240 | |
|---|
| VCR | AV62 | Drum Fast, Capstan Slow & Wow In
Audio. | Check Reg Ic On Drum Assy, Dj's R248, & Ic 201
(td6360) |
|---|
| VCR | AV62 | Fails To Ff/rw | Mode Switch (use National
Vss0091) |
|---|
| VCR | AV62 | Picture Fuzzy In P/b. Looks Like Dirty Heads. Ee
O.K. | On Power Supply/sys Con Board, Replace All 47uf/16 Volt
Electrolytic Capacitors. Approx 9 |
|---|
| VCR | AV62 | Sound Comes In And Out On Playback And
Tuner. | Look For Dry Joints On Servo Board. Connectors And
Transistors. |
|---|
| VCR | AV63 | In P/b And Ee Picture Picture Has Hum, Appears Black
And Jumps.
Voltage Rails And Ground Are Noisy. | Replace All Electro Capacitors In
Pwr Supply, Esp 47uf. |
|---|
| VCR | AV64 | No Go | Dry Joint To D521 No Power To Pins 7/8
Ic502 |
|---|
| VCR | AV64 | No Threading Motor Drive, Mechanism In Wrong
Posn. | Replace D521 |
|---|
| VCR | AV64 | See Goldstar Ghv129x | |
|---|
| VCR | AV64 | When In Stop Mode, Capstan Motor Runs
Freely | Faulty Track On Pcb Between D205 And Q204 |
|---|
| VCR | AV65 | Cant Get Tv Channels Through Video After Storm.
cant Tune All Stations. Tu Only Has 5v Range. | Zd106 33v Zener
Faulty. |
|---|
| VCR | AV65 | Vcr Plays, See Picture Then Shuts Down
Intt- Maybe When Cold | Replace Faulty Capacitor C104 2200uf 16 Volts In
Power Supply Unit.
may Fail When Hit With Freeze, Will Work When Hot. |
|---|
| VCR | HS338 | See Av337 | |
|---|
| VCR | TR102 | Plays Records Black And White. | Replace
Faulty Ic6a0 (hybrid) |
|---|
| VCR | TR201 | Drum And Capstan Hunts. | See Awa
Av21 |
|---|
| VCR | TR201 | Scalloping Of Verticle Lines In Play. | Drum
Motor. |
|---|