Sony TV Repair: Common Faults and Solutions.


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Search: Sony
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Sony Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SONYXR780
Service manual errataService manual errata. s701, s702, s703 are incorrectlyidentified on page 41 of both manuals. s701 is tape direction switch.s702 is tape-in switch. s703 is tape-out switch. all are located on themd board. -hq comments: a service bulletin will be iss
SONYKV1365
Unit dead, replaced t503 and fuseUnit dead, f602 was opened due to t503 being shorted.
SONYKV2601
No audio, replaced ic2001No sound.
SONYCFD5
Wrong part numbersWrong part and p/n missing. parts list reference 395 shouldbe 305. ref 395 p/n 7-627-556-38 butt 2.6 x 4 (s). -hq comments: a s/b will be issued.
SONYCFS400
Sound was distorted on playback due to slow speedWith old drive motor the speed was different when themachine was working on battery, and on ac (-5% on batt and -2% on ac).with the new drive motor the speed is the same but it is lower thanspecs (-45%) using a d pulley. -hq comments: please replace the
SONYKV1557R
Snowy pictureSnowy picture.
SONYPTB100
Part number for light bulbPlease inform of p/n for pattern box light bulb. -hq comments: p/n is j-602-049-03. this can be found in pattern box s/m (p/n *ptb-100).
SONYBMC660
Microphone cover p/nThere is no parts breakdown for the mike and to replace thecover only which snaps on, you have to replace the whole mike assembly.could you get us the part # for the mike -hq comments: the microphone hoods will be available shortly from kcp.the hoods ca
SONYBMC550
Microphone cover p/nThere is no parts breakdown for the mike and to replace thecover only which snaps on, you have to replace the whole mike assembly.could you get us the part number for the mike? -hq comments: the microphone hoods will be available shortly from kcp.the ho
SONYCCDV8AFU
Microphone cover p/nThere is no parts breakdown for the mike and to replace thecover only which snaps on, you have to replace the whole mike assembly.could you get us the part # for the mike -hq comments: the microphone hoods will be available shortly from kcp.the hoods ca
SONYCCDV8
Microphone cover p/nThere is no parts breakdown for the mike and to replace thecover only which snaps on, you have to replace the whole mike assembly.could you get us the part # for the mike -hq comments: the microphone hoods will be available shortly from kcp.the hoods ca
SONYSTRYX50
Missing part numberNeed p/n for fm front end assembly. -hq comments: part number for fe201 is a-4344-029a.
SONYXR780
Service manual errors in labelling of solenoidsS/m errors in labelling of solenoids. pm701 on pg 41 ofxr-740/747r/780/787r should be pm703 (direction change solenoid). thiswould agree with their schematics and mounting diagrams. pm901 on pg 34of xr-80 and pg 38 of xr-66 should be pm903 (direction)
SONYKX2501
Shutdown, replaced h out tr insulatorSet had intermittent shutdown with eventual burn out of hori-zontal output transistor.
SONYKV2690R
No pix, sound, shield on remote head amp shorting 5v lineNo sound or picture. low 5v line.
SONYKV20XBR
No pix, soundNo pix on sound. rgb light stays on.
SONYKV25XBR
Dead set, replaced d655Set would not come on. no output from lv supply.
SONYSPP22
Handset will not transmitHandset did not transmit. pc trace of crystal leg going tot11 broken. difficult to spot as trace had fractured where trace and landmeet.
SONYKV25XBR
Slow tuningSet was slow to tune on antenna and catv. tuning would cycleas if searching for 4 or 5 times before locking on. found loss of h syncto ic103. jumpers were omitted from pcb during production.
SONYD7S
Disc motor would not turnDisc motor would not turn. i found by removing drive belt, the motor would spin ok.