Sony Repair Tips
Search: sony
Results: 20075
Results: 20075
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
SONY |
SSCM354
|
Unit dead dc/dc convertor bad- replace | Unit dead, dc/dc convertor bad. serial number 16981 and11276 also included. | ||
SONY |
CKV20EXR
|
No audio on v1 input, replaced d905 on "u2" board | No audio on v1 input. found shorted diods d904 and d905. | ||
SONY |
TAAV521
|
Incorrect value x101 mounted on disp bd | Unit sent in with broken display board. ordered new displayboard and replaced it. still could not turn power on (no function).reordered another board, installed 2nd board in unit still no power. | ||
SONY |
STRGX900ES
|
In surround mode front channel drops vol and sound muffled | When unit is put into surround mode, front channel audioreduces in volume and sounds muffled. this symptom has been reproduced onall of these models that this dealer has in stock. this is not one of themodels that the strgx900es has replaced. all his | ||
SONY |
STRGX800ES
|
No display - resoldered ic202 | No display r975 open, replaced r975 display then lit uptotally, r975 opened again. | ||
SONY |
STRGX69ES
|
No am reception - repl ic21 | Fm is ok but am is not locking in. found ic21 defective. | ||
SONY |
STRD990
|
Distorted right & center channels - replaced ic311 | Distorted right & center channels.replaced q654 per fpr n2180,however this was not cause of this problem. found right channel distortedat input jacks and worse as signal went through the amp. using scope probeas antenna found noise radiating from ic311, | ||
SONY |
STRD715
|
Popping in main speakers at turnoff - resoldered rca jacks | Found rca jacks had ring cracks, also in protect found outputsshorted. | ||
SONY |
STRD715
|
No tuning other inputs ok | Cns251 connector to tuner pcb was unplugged. | ||
SONY |
STRD611
|
Static noise in tuner other mode, - ic301 defective | Ic301 defective r805 burned, ic801 defective. i replacedr805 and ic801 unit still has noise in audio. | ||
SONY |
STRAV780
|
Display dark - resoldered loose pin | Display comes on intermittently. | ||
SONY |
SDP777ES
|
High freq. whine in line out rear - repl ic453 | Approximately 400 hz low level buzz. could only troubleshoot to determine it was being produced in digital circuits. | ||
SONY |
SAVA3
|
No sound rear channels - replaced f908 | No sound from rear channels no dc to amp chip. | ||
SONY |
HST221
|
Unit has no audio - ic302 is missing from control bd | Unit came in for no audio. noticed that ic302 was missingfrom control board. the layout of the main board in the unit is differentfrom that in the s/m as well. has there been a production change on thisunit? -hq comments: we are not aware of any chan | ||
SONY |
HST201
|
No am/fm - resoldered x600 | No am/fm. other functions ok. | ||
SONY |
HCDH1200
|
No functions cd tape, radio or output - r905 opened | No tape movement, no cd functions, no radion tune, and noouput. display is ok. | ||
SONY |
HCDG2000
|
Display mode will not display tape or video | Display would display cd when either video or tape buttonspushed. | ||
SONY |
HCDD550
|
Pin layout of ic 1201 | In the service manual ic1201 is written as an 18 pin ic. infact, it is a 22 pin ic. i assume that pin 3 of the 22 pin ic is pin 1 ofthe schematic. -hq comments: this ic, stk4231mkii, is used in several diffrent modelssuch as saw541/441, hst221, 211, 201 | ||
SONY |
HCDC50U
|
Cd will make scraping noise | Other fpr's recommend installing a bumper or mod with ascrew. that's only a shortcut to the real problem. the parts that causethe problem are the top and bottom chassis parts and side supports markednot supplied on page 100 of s/m. when assembling or | ||
SONY |
HCDC50U
|
Distortion in high speed dub - redressed components | Using high speed dub, distortion in playback signal of deck bsounded like oscillation. problem was caused by c213 being bent overr212. these components are in feedback circuit of ic302 which is pbamplifier for deck b. this did not effect a normal rec |