Dicas Reparação
Modelo - Chassis P7
Pesquisa: P7 Enviar Dica Resolvida
Resultados 252
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | 53UP72G | COMANDOS NAO ATUAM (TODOS). | Apos aquecimento, verificar cristal Y301 (12MHz) o nivel Vpp abaixa provocando o travamento do micro. * 02Abr97 ANC *. | ||
| Philips | 53UP72G | BRILHO DEFICIENTE (POUCO BRILHO). | Verificar possivel fuga no impresso do pino 51 ou 52 de IC600. * 15Ago96 *. | ||
| Philips | 53UP72G | BRANCA COM RETRAÇOS (OU ALGUMA COR FRACA). | Conexao J608 mau conectada. * 03Mar97 ANC *. | ||
| Philips | 53UP72G | AQUECENDO RESISTOR | R54 e R56 (+15), verifique IC110 (N5532). * 25Set97 ANC *. | ||
| Philips | 53UP72G | ALTERA INTERMITENTE O DOS / MENU. | Apos aquecimento o nivel Vpp do cristal Y301 (12MHz) cai provocando aparecimento de caracteres aleatorios na tela e travando o funcionamento do micro IC300. * 02Abr97 ANC *. | ||
| Philips | 53UP72G | ACIONANDO CROWBAR. | Ver bobina L417, mau contato interno. * 29Ago96 ANC *. | ||
| Sony | SDP777ES | REAR CHANNEL CUTS IN AND OUT - REPLACED IC102 | Rear channel cuts in and out. | ||
| Sony | KP7225 | NO POWER, RELAY WON'T STAY CLOSED, REPLACE C110 | Set would turn on then within 2-3 seconds shut off.Repeated attempts were the same. | ||
| Sony | SPP72 | HANDSET HAS NO POWER - RESOLDER BATTERY CONNECTOR J502 | Hand unit either not operational or battery is discharged.Found poor solder connections on J502 battery connector on hand board.Not enough solder for a secure grip. This connector is pulled whenreplacing batteries. | ||
| Sony | SPP71 | HANDSET HAS NO POWER - RESOLDER BATTERY CONNECTOR J502 | Hand unit either not operational or battery is discharged.Found poor solder connections on J502 battery connector on hand board.Not enough solder for a secure grip. This connector is pulled whenreplacing batteries. | ||
| Sony | SDP777ES | NO LEFT OR REAR CHANNEL OUTPUT IN ALL MODES - REPL IC457 | Traced problem back to IC457 pin 4 which had only noisesignal. IC457 pin 15 checked ok. | ||
| Sony | MDP750 | DISTORTED COLOR--LOOKS LIKE PAINTED EFFECTS | Dealer stock unit, dealer complained about distorted colors onLD playback. Servicer found unit had smeared, wavy colors that looked likesome kind of painted special efx. Traced problem to connectors CN791, 792,and 793 on the ME-703 Digital Memory board. | ||
| Sony | SDP777ES | HIGH FREQ. WHINE IN LINE OUT REAR - REPL IC453 | Approximately 400hz low level buzz. Could only troubleshoot todetermine it was being produced in digital circuits. | ||
| Sony | SPP73 | UNIT WILL NOT PICK UP A LINE - REPLACE T1, P/N 1-426-754-11 | Would not pick up a line, relay circuitry ok. Traced signalpath on both sides of tel line, found open T1. | ||
| Sony | SPP75 | FAILS TX FREQUENCY OFFSET - S/B PUBLISHED | This model does not have a variable capacitor to trimthe crystal oscillator. Consumption of the part seems high. A possibletolerance problem exists. What tolerances should we expect of thispart, both in production and replacement categories? Two rep |