Dicas Reparação
Modelo - Chassis XR20
Pesquisa: XR20 Enviar Dica Resolvida
Resultados 30
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV20EXR20 | IMMEDIATE SHUTDOWN, REPLACED Q604 (G BOARD) | The set would shut down immediately at power on. | ||
| Sony | KV27EXR20 | DARK PICTURE AND/OR BLUE SNOW, REPLACED Q711 (C BOARD) | On a weak signal or no signal conditions, the screen wouldeither turn blue or have blue or red snow. At times, the picture would bevery dark. I traced this problem to Q711 IK detect buffer. Emitter/Basemeasured about 59 ohms. | ||
| Sony | KV27EXR20 | "H" BRACKET PART NUMBER MISSING, 4-397-916-02 | On the chassis exploded View I need the plastic bracketbehind reference number 3, which clips on to 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 from KCP at | ||
| Sony | KV27EXR20 | WILL NOT TURN ON WHEN COLD, REPLACED C-655 ("G" BOARD) | The set will not turn on when it was cold. | ||
| 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 | KV27EXR20 | NO PICTURE AFTER REPLACING IC-102 (MEMORY CHIP), SEE SB 99 | After replacing IC-102, picture would blank. The same wouldoccur in the service mode. Thus, how do we adjust the unit if we can'tsee the adjustments? -HQ COMMENTS: Follow these simple steps: (Also see SB No. TVP0099).1. Before replacing IC-102, chart | ||
| 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 | ||
| Sony | XR20 | OUTPUT IC | IC found in unit was part #1-806-655-11, TA7240AP. And wassupposed to be 1-806-655-11 according to manual. Unit made in Taiwan.Two IC's are not same physical size, so cannot be interchanged on PC bd. | ||
| Sony | XR20 | INTERMITTENT AUDIO OUTPUT | Sound cuts out momentarily on radio or tape when accessoriesare first turned on (actuating blower, lights, brakes, etc.). Kills soundfor a second without affecting dial lights. Also occurs if engine isrevved up to 1200 rpm or so while in neutral. Foll | ||
| Sony | XR20 | POP NOISE EVERY 5 SECONDS | A popping noise every 5 to 7 seconds is heard through thespeakers. | ||
| Sony | XR20 | MUTE PROBLEM | S802 (mute SW) not operating with every cycle of eject. Lub-ing did not help. When lid was removed, it operated OK. With the unitmalfunctioning in tape mode, I loosened front mtg. screw under noise pieceuntil switch clicked on and then sealed screw. | ||
| Sony | XR20 | MUTE PROBLEM - INTERMITTENT | S802 (MUTE SW) not operating with every cycle of eject. Lub-ing did not help. Audio on tape remained dead when tape was inserted. -HQ COMMENTS: The problem seems to be caused by S802 according to yourreport. However, we have received similar problems |