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Modelo - Chassis KV20EXR20
Pesquisa: KV20EXR20 Enviar Dica Resolvida
Resultados 14
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV20EXR20 | HORIZONTAL SWEEP | KV20EXR20 Insufficient horizontal sweep IC603 is the wrong IC for this chassis. | On the G"" board all the B+ on the supply. IC503 is defective SEC135. "" | Muller |
| Sony | KV20EXR20 | SHUT DOWN, REPLACED Q605 | Unit would power up and immediately shut down. Problemcaused by leaky transistor in Over Current Protect double latch circuit,Q605/G board. Problems with latch circuitry can be thorny. Problem foundby lifing significant loads and then monitoring sh | ||
| Sony | KV20EXR20 | NO AUDIO, RE-PLUGED A24 CONNECTOR | Found plug from power supply unplugged, A24. | ||
| Sony | KV20EXR20 | DEAD, REPLACED IC651 | Dead. | ||
| Sony | KV20EXR20 | SHUT DOWN, REPLACED R656, AND C653 | Unit was going into shut down due to the 1350 line going high. | ||
| Sony | KV20EXR20 | NARROW PICTURE, REPLACED Q611 ON THE "G" BOARD | Picture is narrow. B+ was 112VDC. | ||
| Sony | KV20EXR20 | NO PICTURE, REPLACED R702 ("C" BOARD) | No picture but has sound. | ||
| Sony | KV20EXR20 | SHUT DOWN AT TURN ON, REPLACED Q604 AND Q605 (OVP) | Press power, High voltage comes up and unit shuts down. Q604and Q605 are OVP circuit. | ||
| Sony | KV20EXR20 | IMMEDIATE SHUTDOWN, REPLACED Q604 (G BOARD) | The set would shut down immediately at power on. | ||
| Sony | KV20EXR20 | HIGH PITCHED SOUND, REPLACED C-507 | High pitched sound gets louder after two hours. Used the radioShack sound level meter with an extension tube connected to its input.This allowed pinpointing of the part. | ||
| Sony | KV20EXR20 | LOUD MECHANISM HUM, GLUED SHIELD (T-602) | Metal shield around T-602 is loose, causing mechanical 60Hzhum or buzz. Have seen this on sevreal other units also. | ||
| Sony | KV20EXR20 | NO PICTURE, HV IS OK, NO CONTACT ON CRT SOCKET PIN 7 | Screen blanked out and found no filament illumination.Voltage at the heater socket was ok. | ||
| Sony | KV20EXR20 | R-533, PART NUMBER AND VALUE NEEDED, JUMPER USE | What is the part number and value of resistor R-533 on theA Board, off of Q-530. Schematic location M-17 on page 37. -HQ COMMENTS: This resistor is just a jumper wire, only the KV-27EXR15uses a resistor. | ||
| Sony | KV20EXR20 | NEED CORRECT PART NUMBER (RY-601), 1-515-516-00 | There is no sub master for P/N 1-515-684-22. -HQ COMMENTS: You are correct there is no sub master for part number1-515-684-22 that is because this number has been subed to part number1-515-516-00. KCP will correct the mistake please order the 1-515-516 |