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Sony Repair Tips




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Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY STRD615
Dead - pcb cracked, found support broken Found that one of the board's bridges under the heatsink wasbroken. can better supports be put in?
SONY STRD615
Dead Stop line shorted. ic202 on national backorder.
SONY STRD590
Cannot turn unit on/off when warm - ic101 defective When hot, power switch will not work. sprayed ic101 withfreeze spray and it works again.
SONY STRD590
Dead - replaced output transistors Found outputs shorted.
SONY STRD590
Dead - t902 primary open Problem was no standby 5v, found primary of standbytransformer had opened.
SONY STRD315
Unit in protect - found cnp404 separated from cnj403 The unit goes into protect mode due to cnp404 (joint-1bd) disconnecting from cnj403 (volume bd).
SONY STRD311
Failure of right channels outputs - replaced c756 In a prior field problem report, i reported that the rightchannel was going out. we found q755, q762 and q763 shorted. this unitis back for the 3rd time. monitoring the voltage across r776, we foundthat after a few minutes it would start to rise. wh
SONY STRD311
Outputs fail - replace parts and hardwire ground to chassis Outputs fail.
SONY STRD3070
Front lft spker louder than rht - cnj240 making poor contact The signal output to the front right is much lower than tothe left channel.
SONY STRD2020
Dead - replaced damaged amp board Unit overheats, found 1 found ground hard wire not sticking tosteel. c724 bowed top, shorted outputs, main 8a fuse blown. q612's soldermelted & ring cracks. same unit was in 8/31/93 for main board when c724leaked on board & corroded board.
SONY STRAV67
Protect on - jumper wire jw10 not soldered to board The jumper on one side, was not soldered to board causing c763to short and r757 to open. input to ic 751 was over 1.5v
SONY STRAV570X
Protect on - resoldered grounds on main board Someone had installed a larger than normal screw to hold theheatsink to the chassis. this caused a poor connection of the board toground.
SONY STRAV53
Goes into protect - resoldered grounds Unit goes into protect, also left channel is intermittant atlow volume.
SONY STRAV320
Goes into protect - replaced defective ic701 Found ic701 bad when tapping it.
SONY STRAV310
No rt channel out of tape record out - repaired broken trace Found broken trace on pin to rca plug.
SONY STRAV1070X
Ground problem - resoldered ground Customer submitted a note stating unit would occasionally notpower on, or had an intermittant pop noise from the speakers.
SONY STRAV1070X
Display problems - replaced q971, r975 and rewired gnds Found regulator q971 shorted and r975 over discipated unithad bad grounds.
SONY STRAV1070X
Moving video 1 a/v jack, dolby cuts out - resolder a/v jack Unit loses stereo signal, dolby cuts out, found video 1 avjack had a ring crack on 1 pin.
SONY STRAV1070X
No display - q971 shorted, l975 open No display found q971 shorted and l975 open.
SONY STRAV1070X
Volume goes up by itself - resoldered ground Intermittant ground problems.