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TV Repair: Common Faults and Solutions.


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Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SONYXR6200
Excessive flutterExcessive flutter in one or both directions. found loosescrews that hold bracket assembly in place.
SONYAVK715M
Color code on cable is wrongVideo input has a yellow band on it to distinguish it fromthe audio input. these two inputs are reversed. audio input is the onewith the yellow band. -hq comments: because some non-sony tvs employ the reverse l shape typestereo mini plug, the yellow b
SONYKV27XBR10
Singing yoke, replaced yoke, see service bulletin 114Loud singing noise from yoke
SONYCCDTR5
Unit loads half way/drum fails to change direction/unloadsPin 64 of ic-601 would not go h for the proper duration oftime when loading. if you stop the drum with your finger, when thedirection change was supposed to occur the unit will load.
SONYWMAF57
Engaging of play buttonDue to the mounting of the pcb, the play switch becomesdifficult to engage.
SONYWMAF50
Engaging of play buttonDue to the mounting of the pcb, the play switch becomes difficult to engage.
SONYWMAF48
Engaging of play buttonDue to the mounting of the pcb, the play switch becomesdifficult to engage.
SONYWMA26
Engaging of play buttonDue to the mounting of the pcb, the play switch becomesdifficult to engage.
SONYRMX2
Power harness schematic is wrongPage 8 of the s/m shows cn-801 as a 9 pin connector, but theharness is shown as only having 4 wires. page 10 of the service manualshows all nine pins being used. the installation manual shows actualcolor code which is correct. -hq comments: the instal
SONYCCDV5000
No eject/tape jamTape jam and no eject.
SONYMPKF40
Models compatible with the mpk-f40Which models will fit in the mpk-f40?
SONYMPKV11
Modifications for use with ccd-v99Some mpk-v11s do not accommodate the ccd-v99.
SONYGVM2000
Support bracket part number (a board)Support bracket for the a board on the gvm-2000 is needed.no part number is listed for this item in the service manual. -hq comments: the part number for this item is 4-393-914-02. pleaseupdate your service manual.
SONYKV27XBR50
Part number for power switch is wrong, 1-571-532-21Part number for the power switch is incorrect in servicemanual. -hq comments: the correct part number is 1-571-532-21. please make theappropriate corrections to your manual.
SONYSL2700
Part number for cassette in switchesOn page 169 of the service manual, there is no partnumber for the cassette in micro switches (next to items 370 and 371).
SONYSPPS10
No handshake between base and handsetIntermittent no handshaking between handset and base. when acadaptor input is shaken, sometimes unit works.
SONYCCDF55
E - shutter does not change speed in manual modeShutter speed is fixed at 1/60 or 1/100 second, and cannot be changed with the shutter select button.
SONYCCDV5000
Part number for connector cn604 - cn301We need the part number for the following connector. -to tokyo: can you give us the part number for the board connectorthat goes between the di-21 board cn-604 and the vc-55 board cn-301?it is a four-pin 1.5mm pitch. thank you in advance. -hq comments
SONYCCDTR5
Caution light flashes when tape ends in play,ff of rew modesIn vtr mode when the tape ends in play, fast forward or rewind modes, the caution light flashes.
SONYWMAF54
Weak or defective tuning knobsThe tuning knob is very weak, and breaks easily or falls off.