Dicas Reparação SONY
Modelo - Chassis
Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2647RX | TOO MUCH RED INTENSITY, ADJ ACC RV303 | Excessive color intensity - too much RED. | ||
| Sony | KV1946R | OVERHEAT, LEAKY D012 CAUSING R123 OPEN | R123 overheats and eventually open. | ||
| Sony | KV1946R | SHUT DOWN, REPLACED IC032 | Set would turn off when channel 3 was selected. Found signaldistorted out of microprocessor when 3 was pressed. | ||
| Sony | KV1943R | NO LOCK CHANNEL AND VOLUME, OPEN C001 ON M2 BOARD | Set would change channels on its own. Also sound would go upon its own. Found C001 on M2 board opened. | ||
| Sony | KX2501 | NO PICTURE, REPLACED Q401 | Picture blanked out, sound OK. Found Q401 to be leaky. | ||
| Sony | KX2501 | DEAD, REPLACED D1206, Q652, AND Q1343 | Intermittent failure of Q652 on GA board caused by shortedfactory added zener diode (D1206/RD15EB3) on the K Audio Board at the 12Vline. It also finally destroyed the 12V regulator Q1343 on the BD board. | ||
| Sony | KV5300 | NO TUNING OPERATION | The channels would not tune in on this unit. Also the channelindicator lamps would occasionally all turn on. We found IC135/Lamp Driveto be defective. | ||
| Sony | KV2649R | NO UHF RECEPTION, REPLACE IC002 | Unable to get UHF channels, VHF low, high OK. Traced problemto IC002. Logic output on Pin 2 was +12V, should be 0V. | ||
| Sony | KV2648R | SHUT DOWN, REPLACE IC601 | This unit shuts down about every four hours. We found the135V line going high. DM7/IC601 was found to be thermally intermittent. | ||
| Sony | KV2647R | NO MANUAL OPERATIONS, LEAKY D-2251 | Set could not be turned manually, remote functions OK. Ifpower relay was manually closed, the set would operate but the volume andpix would not adjust manually. Channels would change OK manually.I observed a large train of pulses on Pin 18, IC001. Ins | ||
| Sony | KV2145R | SHUT DOWN, REPLACED HVR | This unit had a shut down condition which occurred everycouple of hours. We found the HVR ass'y to be defective. It was crackedat the base. | ||
| Sony | KV1946R | INTERMITTENT AUDIO, REPLACE L202 | Intermittent audio, sometimes would work for a few minutes andsometimes for a week. | ||
| Sony | KV1941R | POOR PICTURE AND UNABLE CONTRAST OPERATION, REPLACED DL301 | Unable to change contrast, picture looked very weak. Founddelay line video output low. | ||
| Sony | KV1915 | INTERMITTENT DARK PICTURE | Picture goes intermittently dark. Tap neck and picturereturns. | ||
| Sony | KV1547R | JAIL BARS IN THE PICTURE | Black jail bars in video. All waveforms appear normal. |