| VCR | MITSUBISHI | ALL MODELS | Int Or No
Colour. | Check 4.43mhz Osc. Is Correct Freq. |
|---|
| VCR | MITSUBISHI | HS300 | Int Poor Playback With White
Streaks. | Check C204 (.0047mfd) In Preamp Cct If Ok Ic201 (an632on)
Faulty. |
|---|
| VCR | MITSUBISHI | HS300 | Int Timer Operation Trys To Shut
Down When Playing A Cass. | Faulty Take Up Motor. (note Turntable Height
Before Removal). |
|---|
| VCR | MITSUBISHI | HS300 | Machine Runs For A Few Sec. Then
Stops. | Check Plug Ed And Pvc Covering On Lead. |
|---|
| VCR | MITSUBISHI | HS300 | Noise Bars On Screen After 2
Hours Of Play. | Check Ic402 (heat And Freeze). |
|---|
| VCR | MITSUBISHI | HS300 | Slow Rewind. E180 Should Take
4min. 10 Sec. (normal) | Check The Reel Motors. If These Are Ok, Check
Resistors In The Feedback Paths To The Reel Revolution Detector Transistor Can
Be Increased. With Thye Hs303 & Hs700 The Resistors Are R5k6 And R6k5, With The
Hs320 They Are R5b4d And R5m4. To Determine The Value, Temporarily Fit A 10k
Preset In Series With A 1k Fixed Resistor, Then Adjust The Speed. Remove
Parallel Resistor On Board Mc. |
|---|
| VCR | MITSUBISHI | HS303 | Capstan Speed Too Fast, No
Switch Off. | If There's No Waveform At Pin 7 Of Ic4a1 (an634in), Check
This Chip By Replacement. If Waveform Is Present And Correct Change Q4a3
(2sc2603). |
|---|
| VCR | MITSUBISHI | HS303 | Distorted Or Low-volume Recorded
Sound. | If Pre-recorded Tapes Are All Right, Check The Audio/control Head
Assembly By Replacement. If The Distortion Occurs A Few Seconds After The Tape
Starts, Change The 4066b Analogue Swich Chip Ic3f1. |
|---|
| VCR | MITSUBISHI | HS303 | Drum Speed Incorrect Or Capstan
Speed Varies. | The Symptoms Are Loss Of Line Lock Or Sound Variation
Respectively. Change Ic4a0 (an6350). |
|---|
| VCR | MITSUBISHI | HS303 | Failure Of Reel Rotors Is
Common. | If They Do Not Spin Easily By Hand (replace). |
|---|
| VCR | MITSUBISHI | HS303 | Failure To Track Pre-recorded
Tapes. | Loose Tape Guides. |
|---|
| VCR | MITSUBISHI | HS303 | Head Drum Rotating Very
Fast. | Look For Faulty Osc Ic603 Or Xtal On Y/c Board. |
|---|
| VCR | MITSUBISHI | HS303 | Int Clock Display | Change
C8f2 (leaky) |
|---|
| VCR | MITSUBISHI | HS303 | Int Wont Record, Hum On
Sound. | Clean Relay K3fo And/or Adjust Audio Head Per Manual And/or
Change Ic3f1 (4066b). |
|---|
| VCR | MITSUBISHI | HS303 | Intermittent Clock
Operation. | C8f2 (0.47uf) Connected To Pin 9 Of Ic8fo Can Develop A
Variable Leak. |
|---|
| VCR | MITSUBISHI | HS303 | Intermittent Loss Of Playback
Colour. | Check For Line Sync Pulses At Least Point Tp6s. If These Are
Present Check At Pin 6 Of Ic6ao (ha11741). Loss Of Line Pulses Here Can Be
Caused By C6e3 (150pf) Going O/c Intermittently. |
|---|
| VCR | MITSUBISHI | HS303 | No Colour In Playback Or
Record. | Check Pin 15 Of Ic6ao (ha11741) If Zero Volts C601 (.22mfd) S/c
(3.2 Volts Normal). |
|---|
| VCR | MITSUBISHI | HS303 | No Machine Func. Clock Ok, Front
Panel Led's Alright. | Check Ic500 (mc14174bcp) By Replacement. |
|---|
| VCR | MITSUBISHI | HS303 | No Rec., Playback Ok, Black
Lines Overshooting From White. | Check The F.M. Modulator Circuitry Or
Change Ic2bo (an6310). Check The Carrier Set Trimmer Vc2bo (50pf). Note Its
Setting And Rotate To Clean The Plates. Replacement Of Ic2bo Can Involve The
Need To Carry Out Carrier Deviation Adjustments. |
|---|
| VCR | MITSUBISHI | HS303 | No Rewind Or Reverse Fast
Search. | Could Be Due To A Defective Supply Reel Motor, Which Can Be
Intermittently Faulty. The Usual Cause However Is The Tape Start Sensor
Phototransistor Q578 (pn202s-r) - Check By Substitution. |
|---|
| VCR | MITSUBISHI | HS303 | No Sound Erasure. | Remove
Plug Vk And Solder Direct. |
|---|
| VCR | MITSUBISHI | HS303 | Noise Bars With Vertical Jumping
Or Rolling. | Check Th F.M. Envelope. If Misshapen, The Guide Rollers Are
Probably Out Of Adjustment. As A Check They Can Be Moved By Hand To Restore The
Waveform. To Set The Guide Rollers Correctly, Loosen The Set Screw Then Adjust
With An Allen Key For Best Waveform. |
|---|
| VCR | MITSUBISHI | HS303 | Picture Breaking Up At
Top. | Check The Back Tension Which Should Be 30g-cm. Excessive Tension
Can Ruin The Video Heads. |
|---|
| VCR | MITSUBISHI | HS303 | Picture Wobbling. | Check
Vr4a0 For Incorrect Adjustment. |
|---|
| VCR | MITSUBISHI | HS303 | Picture Wobbling. | Check
Tp4a If Fluctuating, Change C4b8 (47mfd). |
|---|
| VCR | MITSUBISHI | HS303 | Playback Picture Has Displaced
Colour, Cogging, Snowy. Y | Check For A Squarewave Signal At Pin 25 Of
Ic4ao (an6350).If Missing, Check Back To Pins 9 And 10 Of Ic4a6 (tc4066bp), Then
Back To Pin 7 Of Plug/socket Vh And If Necessary Back To The Junction Of Diodes
D601/2 On The Y/c Board. Use A Frequency Counter To Check That The 4.433mhz
Signal Is Present At Pin 3 Of Ic603 (an6342n2).
if Crystal X601 Is All Right Suspect Trimmer Vc601 (45pf)> |
|---|
| VCR | MITSUBISHI | HS303 | Plays For A Short Time Then Cuts
Out. | Change Take-up Reel Motor. (make Sure That The Take Up Pinion Is
Set On The Shaft Correctly). |
|---|
| VCR | MITSUBISHI | HS303 | Poor Rewind. | Check The
Suppy And Take-up Motors By Replacement. |
|---|
| VCR | MITSUBISHI | HS303 | Slow Rewind. E180 Should Take
4min. 10 Sec. (normal) | See Hs300 |
|---|
| VCR | MITSUBISHI | HS303 | Sound Wow | If This Is
More Noticeable With Recorded Music, Usually At The Beginning Of An E240 Tape,
Check The Pinch Roller Bearing, If Faulty Change Pinch Wheel. Check Faulty
Capstan Motor. |
|---|
| VCR | MITSUBISHI | HS303 | Stops Playing After Ten
Minutes. | Check Capstan Drive Chip If Hot, Capstan Motor Is
Faulty. |
|---|
| VCR | MITSUBISHI | HS303 | Tape Breaks On
Rewind,play,reverse,fwd. Search Noisy. | Check Whether The Pinion On The
Take-up Motor Shaft Has Slid Down Or Broken In Two. Its Best To Order The Part
For Model Hs330 As This Is A Complete Pinion With Grub Screw To Ensure Tight
Fit. |
|---|
| VCR | MITSUBISHI | HS303 | Tape Catching On
Eject. | Check That The Loading Motor Is Operating Correctly. If The Motor
Is In Order Check The Brake Pads On The Right And The Left Hand Reels - Adjust
And Set The Take-up And Supply Brakes. Ensure That The Contact Surfaces Are
Clean. |
|---|
| VCR | MITSUBISHI | HS303 | Tape Looping, Poor Rewind Noise
Bar On Screen. | Faulty Reel Motor. |
|---|
| VCR | MITSUBISHI | HS303 | Tuning Drift | Drift With
Loss Of The Record Control Pulses Can Be Caused By Misoperation Of Th A.F.T.
Circuit. Check The A.F.T. Defeat Transistor Q102 ( 2sa1115e/f).If Drift Is
Affected By Picture Content Add A Shorting Link Across L109 And Remove C132 From
The Circuit. |
|---|
| VCR | MITSUBISHI | HS303 | Unstable Picture With Poor
Sound. | The Guide Rollers Could Be Responsible But We Have Had Trouble
Due To A Sticking Back-tension Lever. You May Have To Remove The Whole Deck,
Dismantle The Back-tension Lever, Clean, Grease The Shaft Very Lightly And
Reassemble. Make Sure The Lever Is Of Correct Shape. |
|---|
| VCR | MITSUBISHI | HS303 | Whirring Noise | Capstan
Flywheel Has Rubber Glued To It Which Comes Loose. |
|---|
| VCR | MITSUBISHI | HS303 | Wont Record Sound | Change
An262 Audio Ic. |
|---|
| VCR | MITSUBISHI | HS303 | Wow And Flutter With Noise Bands
On The Screen. | If Cleaning The Pinch Roller And Capstan Shaftt Fails To
Cure, Check The Capstan Motor By Replacement. |
|---|
| VCR | MITSUBISHI | HS304 | Int Picture On Rec. Int Colour
On Record. | D/j's Around Ic2ao (m5145op). |
|---|
| VCR | MITSUBISHI | HS304 | Int Picture Or Record, Int
Colour On Record. | Carefully Remove Circuit Board Laquer And Resolder Dry
Joints Ic2a0 (m5145op). |
|---|
| VCR | MITSUBISHI | HS304 | Int Speed Variations. Int Play
Luminance. | D/j's Around Ic2ao (m5145op). |
|---|
| VCR | MITSUBISHI | HS304 | Int Speed, Int Playback
Luminance. | Carefully Remove Circuit Board Laquer And Resolder Dry Joints
Ic2ao (m51450p). |
|---|
| VCR | MITSUBISHI | HS304 | Int Timer. | Check Pg
Pulse Level. |
|---|
| VCR | MITSUBISHI | HS304 | Long Time To Return To Norm.
Speed After Visual Search, | Change Capstan Motor. |
|---|
| VCR | MITSUBISHI | HS304 | Loss Of Signals. | Check
Remote Control Socket At Rear Possibly Broken By Customer, (turning Pot Signals
Run Through This Board). |
|---|
| VCR | MITSUBISHI | HS304 | Machine Wont Play,capstan Motor
Dosent Operate. | Check Pin 17 Of Icac If High Replace Ic4a2. |
|---|
| VCR | MITSUBISHI | HS304 | Set Wont Switch Off
Correctly.Switched On, All Func. Ok. | Change R908 And R910. If Faulty
Remains Check Q906/7, Q905/904. |
|---|
| VCR | MITSUBISHI | HS304 | Stops Playing After Ten
Minutes. | Check Capstan Drive Chip If Hot, Capstan Motor Is
Faulty. |
|---|
| VCR | MITSUBISHI | HS304 | Tuner Drifting. | Replace
Tuner. |
|---|
| VCR | MITSUBISHI | HS306 | Common Faults As
Follows | Wired Remote Control Failure(replace The Plug And Wire); Failure
Of The Remote Control Socket; Mains Fuse Failure (up Grade To 630ma); An
Intermittently Negative Picture Due To D/j's In The Booster/converter; Squeaking
Due To Lack Of Grease And Poor Centering Of The Head Drum Earthing Spring;
Intermittent Sound Recording Due To Poor Alignment Of The Audio/control Head
Assembly; Failure Of The Capstan To Go In One Direction Due To The Capstan Drive
Ic Which Is Mounted On The Metal Strip At The Front Of The Main Board; Low Gain
Due To A Faulty Booster/converter; Interm. Or No Colour Due To Ic6a0. |
|---|
| VCR | MITSUBISHI | HS306 | Failure To Front
Load | Nylon Cassette Housing Guides Jumping Out Of The Grooves. |
|---|
| VCR | MITSUBISHI | HS306 | Int E-e And Play | D/j's
On Booster. |
|---|
| VCR | MITSUBISHI | HS306 | Int Negative
Picture. | Check For D/j's In R.F. Booster. |
|---|
| VCR | MITSUBISHI | HS306 | Int No Video | D/j's In
Rear R/h Corner Of Main Board. |
|---|
| VCR | MITSUBISHI | HS306 | Int Tuning Drift With Whistling
On Sound. | D/j On C703. |
|---|
| VCR | MITSUBISHI | HS306 | Looks Like Dirty
Heads | Check Tp2c If Missing Pcb Craked Near C222. |
|---|
| VCR | MITSUBISHI | HS306 | Mains Fuse Blows | Update
To 630ma. |
|---|
| VCR | MITSUBISHI | HS306 | No Colour On
Record. | Ic6a0 (m51451) Faulty. |
|---|
| VCR | MITSUBISHI | HS306 | No Play Or Rew. | Check
For Holes In Play And Rew Buttons Due To Heavy Use. |
|---|
| VCR | MITSUBISHI | HS306 | No Rewind Or Failure To Eject.
F/f And Play Ok. | Motor Drive Ic (stk6962) Faulty. |
|---|
| VCR | MITSUBISHI | HS306 | Set Stops After 10
Secs. | Clean Opto Sensor And Reflective Strips. |
|---|
| VCR | MITSUBISHI | HS306 | Tuning Problems. | D/j On
Front Panel Plugs. |
|---|
| VCR | MITSUBISHI | HS310 | Head Drum Running At Wrong
Speed. | Change Crystal X6f2 With Freeze On Yc Board. |
|---|
| VCR | MITSUBISHI | HS310 | No Colour. | D/j's Around
X651. |
|---|
| VCR | MITSUBISHI | HS318 | Common Faults | Failure Of
Front Loading Switches Usually Damages Cogs. |
|---|
| VCR | MITSUBISHI | HS318 | Low Gain | Faulty 9v
Stabiliser Supply Booster Converter. |
|---|
| VCR | MITSUBISHI | HS318 | No Play Of E-e
Sound. | Craked Board (rear Left Of Main Board) |
|---|
| VCR | MITSUBISHI | HS318 | Rec/play Mechanically Noisy With
Loading Arms Jumping | Check For Broken Teeth On Plastic Gear. P. No.
641d71001. Phasing Up, Align The Scribe Marks On The Two Sliders At Front
(underline) Of The Deck, And Closely Follow The Manual's Instructions For
Refitting The Mode Switch. Both Must Be Done With The Mechanics In The Stop (not
Eject Position). |
|---|
| VCR | MITSUBISHI | HS320 | Laces Up While Ejecting Or Wont
Lace Up When Play Selected. | Check Al/ul Switches (top L/h
Corner) |
|---|
| VCR | MITSUBISHI | HS320 | Poor Or No Ff, Breaks Tapes In
Rew Or Ff, Chews In Play. | Check If Pinion Cog Has Slid Down Shaft, When
Ordering Get Cog For Hs330 It Has Two Grub Screws Making It More
Secure. |
|---|
| VCR | MITSUBISHI | HS320 | See Hs303. | |
|---|
| VCR | MITSUBISHI | HS320 | Slow Rewind. E180 Should Take
4min. 10 Sec. (normal) | See Hs300 |
|---|
| VCR | MITSUBISHI | HS330 | 2 Speed Mach. Sp & Lp Switching
Speed. | Check Drum Input If Output Guides Are Correctly Set. |
|---|
| VCR | MITSUBISHI | HS330 | Int Snowy Picture In
Lp. | Head Amp Screening Can Shorting To R20. |
|---|
| VCR | MITSUBISHI | HS337 | Burning Smell. | Q9a4
Cracked Ic9a0 S/c In 30v Stabiliser. |
|---|
| VCR | MITSUBISHI | HS337 | Ind. Light Fails To Come On When
Operate Button Is Pressed. | Look For D/j's On Q9a2. |
|---|
| VCR | MITSUBISHI | HS337 | Unit Loses Ten Min. A Day With
Int Display Or Power Loss. | Replace Ic8ao (upd7516hg) Faulty. |
|---|
| VCR | MITSUBISHI | HS338 | Dew Light On | Replace It.
P/#299p05201 |
|---|
| VCR | MITSUBISHI | HS521 | No Counter, No Auto Tracking. No
Picture
mutes To Blue Screen? | Ic Servo Faulty, Control Heads Appear To Be Ok..
ic4a0 Mn67492msu5 |
|---|
| VCR | MITSUBISHI | HS700 | F902 Blown | Front Panel
Shield Shorting R858 To Chassis. |
|---|
| VCR | MITSUBISHI | HS700 | If Replacing Camera
Socket. | Order Hs710 Model (metal). |
|---|
| VCR | MITSUBISHI | HS700 | Int Colour | Poor Osc
Adjust. |
|---|
| VCR | MITSUBISHI | HS700 | Int High Rewind Or Play
Speeds. | Incorrect Positioning Of Take-up Reel Cog. |
|---|
| VCR | MITSUBISHI | HS700 | Int Sound Or
Erase. | Remove Plugs Af And Df And Solder Direct. |
|---|
| VCR | MITSUBISHI | HS700 | Irregular Speeds In Reverse Pic
Search. | Faulty Capstan Motor. |
|---|
| VCR | MITSUBISHI | HS700 | Poor Tracking | Loose
Guides. |
|---|
| VCR | MITSUBISHI | HS700 | Set Has Burning
Smell | Check If Ha11715 Drive I.C. Burnt. Change Ic4po (tl082cp) As Well
As Ha11715. |
|---|
| VCR | MITSUBISHI | HS700 | Slow Rewind. E180 Should Take
4min. 10 Sec. (normal) | See Hs300 |
|---|
| VCR | MITSUBISHI | HS700 | Stops After A Few
Secs. | Broken Still Frame Pot. |
|---|
| VCR | MITSUBISHI | HS700 | Vert Lines On Dark
Scenes. | Fit A 100 Uh Choke Across R6g3 On Chrominance/luminance
Board. |
|---|
| VCR | MITSUBISHI | HS700 | Wont Record. | Change
Ic2h1. |
|---|
| VCR | MITSUBISHI | HS751 | Power And Display Cuts In And
Out;flashes. | Replace Faulty Electrolytic Capacitor In Secondary Of Power
Supply
c9a3 1000uf 16 Volt |
|---|
| VCR | MITSUBISHI | HSE11 | Keeps Ejecting Tapes, No Drum
Spin, Capstan Spins, Load Motor Erratic Functions, Machine Is Confused And
Pissed Off. | replace Ic4a0 On Bottom Pc Board. |
|---|
| VCR | MITSUBISHI | HSE11 | Won't Rewind. | Solenoid
L570 On Pcb Under Machine Is Faulty. O/c
should Read 550 Ohms |
|---|
| VCR | MITSUBISHI | HSE17 | Sub Arm Does Not Take Tape To
A/c Head. | Replace Brake Pad On Take Up Hub. |
|---|
| VCR | MITSUBISHI | HSE20 | See Awa Av58 | |
|---|
| VCR | MITSUBISHI | HSM50 | Goes Slow, Drum, Capstan Motor
Looses Lock. | Replace Ic4a0 Servo Ic
mn67492msb5 |
|---|
| VCR | MITSUBISHI | HSM58 | Won't Fast Forward Or Rewind,
Will Play. Brakes Locking On. | Found Brakes Not Releasing, Replaced
Faulty Solenoid Unit, If Solenoid Is Working Plastic Assy May Be At
Fault. |
|---|
| VCR | MITSUBISHI | HSMX1 | Plays Okay But Tuner Has Lots Of
Interference. | 47 Uf Caps In Main Power Supply C908/909. |
|---|
| VCR | MITSUBISHI | HSMX2A | Tuner Wont Pick Up Or Store
Channels.Blue Screen Only. | Need Manual.Found Switch Ic Faulty.Ic2a3
(ba7021) |
|---|