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Sony Repair Tips




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Search: sony
Results: 20092
Make Model Symptom Problem Solution By
SONY KV20TR23
Channel change but display doesn't, reset id codes Everything worked but the channel display stayed on channel 9. probing to see what might be happening we rewrote adjustment items 50,51, 52, 53, 54 as they checked and the set started operating correctly.any explanation of why? -hq comments: adjustment
SONY KV13TR24
No remote control functions, leaky cp102 on a board No remote functions, local controls(channel and volume up/down key on front panel) work normal. tried a different receiver, no luck.
SONY KV13TR24
Unit turns off prematurely, replaced ic 101 Set will shut off.
SONY KV1326R
Intermittent tuning, replaced tuner Intermittent poor reception
SONY KPR46EX20
Intermittent shut down, replaced ovp transistor q621 Set shuts off intermittently.
SONY KP53S55
Crt and some boards do not match service manual, see sb 221 The crt is of a different size. also the circuit boards a, d, g, n, cr, cb, and cg are different. -hq comments: there are two types of chassis used on this model, basedon the serial number.please refer to service bulletin 221 for additional informati
SONY KP46S55
Crt and some boards do not match service manual, see sb 221 The crt is of a different size. also the circuit boards a, d, g, n, cr, cb, and cg are different. -hq comments: there are two types of chassis used on this model, basedon the serial number.please refer to service bulletin 221 for additional informati
SONY TAM50
No mech motion resolder motor m1 Mech had no motion. i replaced s101 and did not solve theproblem. i found that the m1 wire was loose or cold soldered at themotor.
SONY TAM1000
Unit grabs a line - replace q302, p/n 8-729-927-24 When outside phone line is plugged into unit, unit will grab aline. this is caused by q302 being shorted emitter to collector. verysimilar to the problem with the tam30/50
SONY SPPX30
Backgound noise, poor range - increase base power Although unit had already been modified per sb, there stillwas plenty of noise.
SONY SPPD15
Blown line fuse
SONY SPPA60
Correction of s/b/tel 0089 Per tokyo, the correct p# for the black antenna for sppa60 is1-501-558-21. please correct in the sdis system and issue a s/bcorrection. -hq comments: thanks for the info. a new or revised bulletin will beissued.
SONY SPPA20
No ring - repair lifted traces on c165 Unit would not ring. ic8, bell detect, was not turning on.troubleshooted problem to lifted traces on c165. repaired trace on c165and unit would ring.
SONY SPPA20
Wrong part number - jack tel line This part number is used for dc in 9v jack.
SONY SPP95
Transmit frequency offset failure While testing handset with s4015 stabilock, unit failedspecifications for xmit frequency offset. crystal was oscillating butwill either be off frequency, or low amplitude. symptoms include no talkand range distortion.
SONY SPP85
Transmit frequency offset failure While testing handset with s4015 stabilock, unit failedspecifications for xmit frequency offset. crystal was oscillating butwill either be off frequency, or low amplitude. symptoms include no talkand range distortion.
SONY SPP75
Fails tx frequency offset - s/b published This model does not have a variable capacitor to trimthe crystal oscillator. consumption of the part seems high. a possibletolerance problem exists. what tolerances should we expect of thispart, both in production and replacement categories? two rep
SONY SPP57
No dial tone - replace x603, p/n 1-579-805-11 Unit would not grab a line.
SONY ITA555
Low audio playback - replace ic503, p/n 8-759-239-15. Unit had low audio in playback only. i checked ic503anf found ac eq out of ic503/pin 7 to be putting out only 50mv. in goodunit it should put out 400 mv ac. ic 503 eq output was defective.
SONY ITA4000
Cn901 and cn902 - part numbers missing No part numbers for cn901 and cn902. -hq comments: these connectors are not supplied as repair parts. theyare only available as part of main board assy p/n a-3015-458-a.