Dicas Reparação
Modelo - Chassis
Pesquisa: Enviar Dica Resolvida
Resultados 81415
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Crown | CPRP14 | Dead - Chopper FET 5N90 s/c | R101 5R6 5w surge lim o/c, TDA4605 IC101, R108 220k, R109 330k o/c | ||
| Crown | 2894 | Int field lin/bounce when heated | 12v at ZD402 low due to R435 0R68 risen in value | ||
| Crown | 2196 | Dead. | Check/Replace R108 220K Ohm & R109 330K Ohm. | ||
| Crown | 14CX25 | No colour | Q311 2SC65Y burst amp o/c | ||
| Crown | 14CX25 | LOPTr fails | LOP tuning cap 0.0022µ 2kv or C709/710 dry joints | ||
| Crown | 11AK19 | Dead - LOPTr s/c | Check scan coil conns to main board for dry joints/overheating | ||
| Crown | 11AK08 CRV37 | Dead with BUZ77 chopper Q801 s/c | R809, R805 330k & check/change C817, C831 1µ 50v & C812 47µ 16v | ||
| Crown | 11AK08 | Dead with R809 0R47 in psu burnt | Usually caused by chopper tfmr TR801 s/c turns. D810 26 & 12v supply diode s/c. HT high at 126v (110v). R805 330k 1w o/c. | ||
| Vestel | 11AK19 | Sem imagem - OSD OK | Substituir EEPROM | ||
| Vestel | 11AK19 | Linhas de retorno brancas | IC901 TDA6107Q e R914 200v | ||
| Vestel | 11AK19 | No tuning or sigs | Break in tuning volts track at back of main pcb - very thin & caught on cabinet back | ||
| Vestel | 11AK19 | Sem sintonia | Q510 BC558 o/c | ||
| Philco | pc 2028 | foge todos os canais,sintoma de seletor com defeito | |||
| Toshiba | 2998ASU | Não abaixa o volume em nemhuma hípotese (controle Remoto e no Receptor) | |||
| CCE | HPS 2008 | aquecimento excessivo no saída horizontal. | trocar resistor R 411 de 4K7 para 6K8 e trocar transistor drive horizontal Q 401 BF422. |