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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY KP46V15
Pincushion pic, replaced r1746,1743, ic1704, and ic1703 Unit was pincushioned, checking found both f901 & 902 open.further checking found all pins on ic1705 had melted solder. furtherchecking discovered r1746, 1743 open. replacing all these parts unitworked fine, however, ic1705 was extremely hot. checkin
SONY KP41EXR96
Intermittent video blanking, replaced cap c327 Video would blank at random, problem isolated to e1 board,when c325, 326, 327 located at ic302 pins 19,21,23, were heated or cooledpicture was affected.
SONY FDLK400
Unit will not change channels, replace j301 a/v jack Upon powering up unit found a snowy picture. when channelplus(+) button was depressed the video display came on, but the unit would not change channels. only would display video.
SONY FDL370
Wont stay on one channel, replaced ic201 Unit has defective ic201.part # in service manual and sup is 875924618.ic in the unit is ta8870f part # 875923487. -hq comments: two ic are used in the ic201 circuit. 1. 8-759-246-18 ta8805f 2. 8-759-234-87 ta86
SONY FD500
No picture and dark screen, replace c803 Takes 5 minutes for picture to come on, and when it does, it is light grey. check waveform of base and collector of q802(converter out) is low and distorted. (it is 20vp-p instead of 60v). however, collector of q801
SONY SPPA60
Memo recording only lasts one minute Customer complains that the memo recording only lasts oneminute, while the instruction manual states that the memo recording shouldlast to the end of the tape. -hq comments: this is due to a software change in the micro. the microwas changed to resolve
SONY SPPA40
Memo recording only lasts one minute Customer complains that the memo recording only lasts oneminute, while the instruction manual states that the memo recording shouldlast to the end of the tape. -hq comments: this is due to a software change in the micro. the microwas changed to resolve
SONY SPPA20
Memo recording only lasts one minute Customer complains that the memo recording only lasts oneminute, while the instruction manual states that the memo recording shouldlast to the end of the tape. -hq comments: this is due to a software change in the micro. the microwas changed to resolve
SONY GV8
Lcd on/off button part number According to fpr o0310 this button is part of the upper sccabinet assy ref#51 (x-3726-857-1) but it is not. hq comments: the button is available separately under part number3-728-953-03.
SONY TCWR901ES
Deck b cannot play - pinch roller out of housing Pinch roller is coming out of track. it was laying on thesupport plastic.
SONY TCWR610
Tape speed adjustment - no method for high speed adjustment When adjusting tape speed on this model, the manual does not clearly indicate how to perform the high speed adjustment.
SONY STRD990
All inputs bleed through tuner When tuner is selected and there is an input into cd it bleedsthrough tuner. the same happens if you switch input from cd to tape,dat, video. -solution : found capacitor that was not on schematic across pins 10and 14 of ic803 electronic volume control,
SONY STRD715
Not passing tv signal - replaced ic202 Unit sometimes went off cannot turn on, found ic202defective. if the unit is on, it won't let the signal pass to the tv.
SONY STRD615
Intermittent audio - replaced ry701 Intermittent audio both sides, flexing pc at relay wouldcause relay to disengage and re-engage.
SONY STRD511
Int protect/constant protect - r766 and r769 shorted Prob began as intermittent protect then became constantprotect.
SONY STRD511
Int loud pop on right front channel When first turned on unit would intermittently make a loudpop from right front speaker.
SONY STRD315
Dead/open primary - replace transformer Unit dead. measured open primary on power transformer.found open fuse built into the transformer. transfomer is good and unitwill work if jumper to the 2nd terminal. this is the second transformerwithin one month on this unit. also, noted b/o's on t
SONY STRD315
No left channel - replaced opened r712 There is no left output. 16v dc on the emitter of q712/713. found r712 open on the main board.
SONY STRD1015
No left channel sound - resoldered rv502 Left channel no sound output to speaker.
SONY STRAV970X
No display - replaced open d101 No display, ac across pins 1 and 69 ok. the 33v line todisplay and ic101 also ok. found d101 at 3.6v zener that goes to thecenter of t902 open.