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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY STRD1011
Display flickers at high volume - changed r783 to 100 ohms The voltage at the collector of q961 drops at high volume on aΩ load, causing the display to flicker.
SONY STRAV920
One channel distorted - ic701 defective. Left channel has no signal. i found ic701 defective, r754and r704 getting hot.
SONY STRAV570X
Continued problems after performing s/b hfp227 After performing s/b hfp227, the customer returns the unitand complains that it's doing strange things again. there is a large areaof the main pcb that is only grounded by the heat sink through pressurepoints to the board. by connecting a dvm between cha
SONY RMVP1
Remote stuck in power on mode, y plain locked in place. Can't turn off, stuck in y plain.
SONY HTCD159
Cannot play cd's, only disc table turns - d701 defective Unit turns the tray table, but cannot play cd's. it will notrecognize cd's.
SONY HSTD107R
Both tape decks won't work - replaced defective ic901 Both tape decks are dead. found ic901 pin 9 has -14v andpin 2 has .6v, supplying incorrect voltages to decks a and b drive motors.
SONY DTC75ES
Incomplete rewind of 120 tapes - pad (ref #562) needed repl Will not completely rewind 120 tapes fast forward adnshorter tapes ok.
SONY DTC59ES
Noisy rewind, shut off in play - take-up reel cap separates Will not rewind all the way. other complaints possible arenoisy fast rewind, shuts off in play, take-up reel doesn't turn. uponpressing the small white cap on top of the take-up reel with finger youcan feel it snap into place. i have seen this happen
SONY CDPC910
Won't unload disks 1 or 10 - replaced worn switchs s2 and s3 Would not return the 10th or 1st disk to the magazine. allother disk slots worked ok. found switch 183 and 184 to be worn and notbeing closed all the way when elevator was all the way up on down.
SONY CDPC445
Mechanism jammed, door won't open/close - realign mechanism The unit would turn on but the drawer would not open or closewhen the open/close or exchange button is depressed. found the up/downgear (ref. 114) wedged out of alignment.
SONY CDPC445
Disc tray will not open - bu assy stuck on disc tray The bu assy was in the up position, and hung up on the lip of the disc tray.
SONY CDPC345
Incomplete turntable movement - shaft of gear, ref#66, bent After replacing ic401, r457, r458, r459 per svc bulletin, csa13, the disc turntable still moved irregularly, demonstratedjerking movement.
SONY CDPC331
Disc table would not stop rotating - defective disc table Table would not stop rotating when selecting disc no.4whether or not it had a disc loaded. found that the tablepositioning sensor tabs were not fully formed in manufacturing moldingprocess.
SONY CDPC315
Int. operation. - replaced flex connector The unit would not do a proper focus search, but this wasintermittent sometimes it would work right. i changed the flex connectorand other common parts, same problem. finally, i tried a differenctconnector 153584711, unit worked properly.
SONY CDPC235
Dead unit - power tranformer opened Checked and found open primary (thermal fuse) in powertransformer. noticed that q504 and q502 had overdissipated. checkedboth transistors and found shorted collector/emitters on both. replacedq502, q503 and q504. then found that ic501 pins 13 and 19
SONY CDPC205
Audio too fast - ic301 defective Unit played disc but audio was too fast (like a 33rpm recordplaying @ 78rpm). x301 was @ normal freq., 16.9 mhz.
SONY APM55W
Woofer won't fit in cabinet - modify cabinet The original part number subs over to 150328411. this partwill not fit in the cabinet. it is too big. -hq comments: as per kc parts: due to the age of this speaker, tokyo isproviding p/n 150328411 as the closest match to the original speaker. youmay nee
SONY GEN-HFP
Dat compatibility with cd dropout checker Is it possible to get a dat test tape compatible with the cddrop out checker, so it can be used for dat player drop out analysis? -hq comments: no tape is currently available for dat players for usewith the cd drop out checker. a good way to check digit
SONY BM88
Erratic operation, even when unit is in standby mode, el901 The unit will start into listen/ff/rew without anyfunction control being operated. the display will light & differentsegments will be displayed erraticly. it appears that the upc isdefective. changing the micro processor will not correct the problem
SONY BM77
Will not go into play, replaced cam gear (teeth broken) Unit will rewind and fast forward, but will not go intolisten mode. portion of teeth have broken off cam gear.