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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDP400 | DISK TURNS BACKWARD AT MAXIMUM SPEED | Disk turned backward at maximum speed as soon as turning onthe power SW. There was no 1/4 RFCK from IC503 at Pin 27. 8.64MHz clockwas good, so I replaced IC503. I also replaced IC505, because LRCK signalwas very low. But they did not cure the problem | ||
| Sony | D5 | NOISE IN AUDIO | Only noise was heard in audio. | ||
| Sony | KV2649R | NO DISPLAY INTERMITTENTLY, REPLACED DISPLAY TUBE | Intermittent channel indication. | ||
| Sony | KV1952RX | SNOWY PICTURE, REPLACE VHF TUNER | This unit produced a snowy picture, the problem being causedby a defective tuner block. We have had reports of a few of these tunersfailing after only a couple of months usage. | ||
| Sony | FD30A | POOR HORIZONTAL AND VERTICAL LINEARITY, READJUSTED RV851 | This unit displayed poor linearity - both horiz. and vert.We found RV851 (keystone adj) misadjusted, yoke positioning incorrect andthe yoke rings set incorrectly. | ||
| Sony | FD30A | NO PICTURE, BROKEN SOLDER JOINT AT R807 | This unit had sound but no picture. We found a broken solderjoint at R807. This resulted in no focus voltage. | ||
| Sony | KV2680R | P/N INQUIRY FOR CRT, 8-735-453-05 SUB TO 8-735-453-05 | P/N for KV-2681 CRT is incorrect. -HQ COMMENTS: The part # in S/M 8-735-453-05 is correct and correspondsto A67JHG01X type CRT. In the near future, it will be supplied as areplacement part in sets specifying this CRT.PART NUMBER LANDIN | ||
| Sony | KV2670R | DARK PICTURE, SHORTED C-527 AND OPEN R-526 | No Y signal, only chroma. Found C527 shorted which causedR526 to burn up. | ||
| Sony | KV2665 | DEAD, H OUT Q-504, REG IC-601 AND F-602 | H. output shorted and took out regulator and fuse. | ||
| Sony | KV2657R | HIGH VOLTAGE INTERFERENCE | Interference with other sets. High voltage arcing because oneside of C867 on the P board was not soldered. It caused interference withother sets in customer's home. | ||
| Sony | KV2654R | DARK PICTURE, REPLACE C531 AND R541 | Picture is dark during normal transmission on all channels. | ||
| Sony | KV2649R | NO DISPLAY LIGHT, RESOLDERED JUMPER | Display did not lite at all. Lower channels did not comeon all the time (int). Higher channels worked fine, picture was good.Found no HP going to T001 (HPT) on MT board. | ||
| Sony | KV2647RX | POOR CHANNEL RECEPTION, REPLACE VHF TUNER | No low channels (2-6) reception. | ||
| Sony | KV1952RS | INTERMITTENT SHUT DOWN, REPLACE C549 | This unit intermittently shuts down. We found C549 to bethermally intermittent. | ||
| Sony | KV1920 | RETRACE LINES ON THE PICTURE | Few retrace lines were visible on upper left and lower centerof the picture at maximum brightness. |