| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2182M9 | LOSS OF BRIGHTNESS, REPLACED R852 AND D852 | Dark screen with red cast. Voltage on CRT under 200VDC. | ||
| Sony | KV20V50 | NO UHF, REPLACED TUNER | No UHF. Checked cable ON/OFF menu which was set tocable OFF. VHF coverage was OK. | ||
| Sony | KV20V50 | HUMMING SOUND FROM THE BACK, GLUED METAL PART OF YOKE (BA2) | The unit has humming sound from the back. | ||
| Sony | KV20S11 | HUMMING SOUND FROM THE BACK, GLUED METAL PART OF YOKE | The unit has humming sound from the back. | ||
| Sony | KV20S10 | HUMMING SOUND FROM THE BACK, GLUED METAL PART OF YOKE | The unit has humming sound from the back. | ||
| Sony | KV20M10 | HUMMING SOUND FROM THE BACK, GLUED METAL PART OF YOKE | The unit has humming sound from the back. | ||
| Sony | KV2092R | NO PICTURE OR AUDIO IN RF MODE, REPLACED IC104 | The symptom looked as if video switching was not taking placeon the U board. When and external video signal was applied to videoin, the signal came through whether or not the TV/Video switch wasactivated in video mode. In TV mode display would indicate | ||
| Sony | KV13EXR90 | NO PICTURE, REPLACED IC301 | Unit had no picture. Sound and high voltage were ok. | ||
| Sony | KP53S55 | SERVICE BULLETIN #221 ERROR, SEE NEW BULLETIN #221R1 | Service Bulletin #221 lists the above Part Number for thismodel with a serial Number beginning with 91. When this CRT is ordered itdoes not match the one installed in the set. Service manual supplement #1lists 8-736-636-05 for this serial no series of | ||
| Sony | KP46S55 | SERVICE BULLETIN #221 ERROR, SEE NEW BULLETIN #221R1 | Service Bulletin #221 lists the above Part Number for thismodel with a serial Number beginning with 91. When this CRT is ordered itdoes not match the one installed in the set. Service manual supplement #1lists 8-736-636-05 for this serial no series of | ||
| Sony | KP41EXR96 | IMMEDIATE PROTECT AT PWR ON, REPLACE C1713 ON D BOARD | Servicer traced protect signal to D ckt board. Finally found shorted C1713, which was a 10uf, 25V tantalum capacitor. Since he did not know about factory change, he replaced C1718 with a ceramic .001uf also. | ||
| Sony | FDT5BX5 | NO TV OPERATON, REPLACED FUSE F602 | Fuse opens for no apparent reason, is this fuse ratedproperly for this circuit? -HQ COMMENTS: This problem is now under investigation. | ||
| Sony | FD555 | COMPLETE LOSS OF AUDIO, REPLACED IC701 | Found Q451 & 452 turned ON. IC701/pin 10 read 12v. | ||
| Sony | FD555 | INTERMITTENT LOSS OF CHANNELS, REPLACED RV151 | Cannot tune in tuning voltage for channels 5, and 7. | ||
| Sony | SPPX30 | DEFECTIVE DISPLAY/OPERATION | We are seeing continuous problems with sub key switch . Referto FPR #P3139 for a previous report. PC board and key pad damaged likeelectro static arc. It may be a chemical reaction around feed throughholes. Tech recommended to cover feed through holes wi |