Dicas Reparação
Modelo - Chassis XR25
Pesquisa: XR25 Enviar Dica Resolvida
Resultados 19
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27EXR25 | No raster, the set will click on but no high voltage | Replaced IC651 on the power board type STRS6301 Note: Use an original STRS6301, not an STRS6301A unless the 6301A comes from SONY This part does run very hot | ||
| Sony | KV27EXR25 | No power, no raster, relay comes on | Found horizontal trans short | ||
| Sony | KV27EXR25 | PIN CUSHION AND LOCK ON CH 2, IC104 | No sound, pin cushion problem, and came up onlyon channel 2. Only function that worked was the power on/off. | ||
| Sony | XR2500 | NO AUDIO/TAPE DECK ALWAYS ON (BLINKING DISPLAY) | Unit has no audio and tape deck always on. Display is alsoblinking. Found transistor Q301 (AMS on/off) shorted. | ||
| Sony | XR2500 | NO ILLUMINATION (FOUND R373 OPEN) | Unit has display but no illumination. Found resistor R373open, causing lamps PL801/802 not to work. | ||
| Sony | KV27EXR25 | UNIT SHUT DOWN, REPLACED IC101 | Shut down intermittently. OSD had a 60Hz bend only OSD picture perfect. | ||
| Sony | EXR25 | NO POWER (HAD OPEN TRACE NEAR CNP6 AND ALSO NEAR D415) | The unit had no power. Found open traces near CNP6 and jumperwires between D415. | ||
| Sony | EXR25 | NO AUDIO FROM SPEAKERS (FOUND IC601 WAS DEFECTIVE) | The unit had no speaker audio. Found that IC601 was bad. | ||
| Sony | KV27EXR25 | IMMEDIATE SHUTDOWN, REPLACED OPEN C655 ON G BOARD | Immediate shutdown. No Switching Mode Power Supplyregulation. | ||
| Sony | KV27EXR25 | NO POWER, REPLACED Q608 | Unit would not turn on. Found transistor Q608 leaky betweenemitter and collector. This caused a positive voltage to forward biasQ607, which in turn grounded the base circuit of Q601, the relay drive. | ||
| Sony | KV27EXR25 | NO OPERATION, REPLACED IC-651 ON THE "G" BOARD | Inoperative set- hear relay click. | ||
| Sony | KV27EXR25 | "H" BRACKET PART NUMBER MISSING, 4-397-916-02 | On the chassis exploded View I need the plastic bracketbehind reference number 3, which clips onto the H Board. This partnumber was omitted from the Service Manual. -HQ COMMENTS: The part number is 4-397-916-02. This part is notavailable in KC at this | ||
| Sony | KV27EXR25 | BUZZING IN AUDIO, GROUND OPEN | There was a constant buzzing in the audio. After extensivetrouble shooting, the servicer found the ground pattern from connectorA-23 pins 3 and 4 to connector A-24 pins 3, 4 and 5 were rubbed loose fromthe board for about three inches. Since it was und | ||
| Sony | KV27EXR25 | NO PICTURE, REPLACED OPEN R702 ON "C" BOARD | There was no picture, and no voltage on G2. I found R702open. | ||
| Sony | KV27EXR25 | PICTURE BLURRED ON HIGH WHITES - SMEARED TO THE RIGHT, Q712 | Picture looked like weak CRT. |