| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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 400hz low level buzz. Could only troubleshoot todetermine 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. |