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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
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.
SONY SDP777ES
No left or rear channel output in all modes - repl ic457 Traced problem back to ic457 pin 4 which had only noisesignal. ic457 pin 15 checked ok.
SONY MHCC33
Audio problem in cd mode - replaced ic107 Distorted audio in cd mode.
SONY LBTG1000
No open cd - cable ref. #4 shorted to gnd. Unit's cd door will not open. found cable #4 to be shortingto the chassis ground. the cable rubs on the bottom and wears theinsulations causing the short.
SONY HCDC50U
Hum in audio - tightened gnd screws Hum in audio.
SONY HCD541
Unit dead - replaced c843 Unit dead, + unreg. voltage is being supplied by saw542.reset voltage at pin #4 or ic714 located on main pcb is low. in this caseit was measured at 2 volts.
SONY HCD241
No power up - reset ic401 pin 17 to chassis gnd Unit would not turn on. five volt and 12 volt lines present.microprocessor has all must haves. jumped ry901 and unit functions withno display or audio.
SONY DTC57ES
Tape path alignment - removed spacer under capstan motor screw Cannot adj new type guide (unit always wrinkles tape.)