| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRD965 | DEAD -REPLACED OPENED F901 AND RESOLDERED T901 CONNECTIONS | Unit dead and main fuse open. Poor solder connections on mainpower transformer T901. | ||
| Sony | STRD965 | NO AUDIO | Unit powered up but no audio. Problem caused by connectionson speaker switch board. | ||
| Sony | STRD865 | POWER TRANSFORMER HUM - TIGHTENED MOUNTING SCREWS | 3 Reports of excessive hum coming from power transformer,T901. | ||
| Sony | STRD865 | DEAD - REPLACE OPEN FUSES F803, F804 | Dead unit. | ||
| Sony | STRD665 | NO LEFT CHANNEL - RESOLDERED RV423 | No audio from left channel. Problem caused by bad solderconnection on balance control, RV423. | ||
| Sony | SSU631AV | SPEAKER RATTLES - RESEALED BACK PANEL | With strong bass the speaker cabinet would rattle. | ||
| Sony | SAVA3 | SAVA3 NO RIGHT CHANNEL - REPLACED F902, AND IC611 | Unit came in with right channel dead. F902 open and IC611was shorted. | ||
| Sony | MZR2 | PART NUMBER CORRECTIONS: LINE OUT JACK, MIC-PLUG IN PWR JACK | The part numbers shown in the service manual for J301 and J303are reversed. | ||
| Sony | HST221 | AUDIO FROM TAPE AND RADIO - REPLACE LEAKY Q105 | No audio from radio and tape, has audio from external source. Pin 9 of IC202 was 1.9v it should be 10.1v. Looks like pins 6, 9 10, control what source is output to the amp. | ||
| Sony | HCDD560 | MAIN FUSE OPENS -REPLACE F1903 WITH 4A,125V | I have reports from one of my dealers that they are seeing these units coming in with main fuse open. Replacement of main fuse restores operation. This is similar to the comments made about the LBTD560 units. | ||
| Sony | DXAH2750 | DECK B NOT AUTO REVERSING - REPLACED HEAD ASSY | Deck will not auto revers. Found head assy broken loosefrom plastic gear on the bottom of the assy was not turning which wascausing the mech to lock up. | ||
| Sony | DTC59ES | EXCESSIVE BACK TENSION - REPLACED LEVER REF #379 | Units coming in with excessive back tension approx. 10 - 20gcm. Thi was seen in the DTC5,7ES, 690, 790, A7 also. | ||
| Sony | CDPC545 | IRREGULAR DISC ROTATION - REPLACED BRACKET | The disc table would not rotate smoothly during disc search.It is normal for the disc table to slow when it is checking for thepresence of a disc, this unit would sputter unevenly and sometimes stop.Replacing the table motor, gear (ref 56) did not solve | ||
| Sony | CDPC545 | DISC TABLE WON'T ROTATE SMOOTHLY DURING DISC SEARCH | Disc Table won't rotate smoothly during disc search. While i is normal for the disc table to slow when unit is checking to see is a disc is present, this one would sputter and jerk or sometimes even stops. | ||
| Sony | CDPC545 | NO SOLDER CONNECTION ON IC301 - SOLDERED CONNECTION | No sound output. |