Dicas Reparação
Modelo - Chassis BE-4
Pesquisa: BE-4 Enviar Dica Resolvida
Resultados 21
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| SONY | KV-14TE1 chassis BE-4 | Não liga, o LED pisca 6 vezes | Segundo manual de serviço, 6 flash corresponde a "Overvoltage / Overcurrent Protection (Pin 52) high", no pino 52 do processador tem 5V quando devia ter 100mV, o circuito protecção está armado. Neste caso devia-se a um curto-circuito do transformador linh | ||
| SONY | KV-14ME1 chassis BE-4A | Som baixo e c/ falhas | Substituir D408 (zener 6v8) | ||
| SONY | KV-14TE1 chassis BE-4 | Desvia a tensão de sintonia | Retirar o plástico preto que se encontra entre os pinos e a caixa metálica do TUNER. | ||
| Sony | BE-4A KVM2171U | no text, excessive width, poor grey scale | NVM corruption. Replace IC002 new type ST24C02FB6 (875937032). Change C0255 from 47uF to 1000uF, add 5.6V zener from pin 8 IC002 (cathode) to earth, tighten earth spring around CRT in the shape of U | ||
| Sony | BE-4A KVM2171U | frame collapse | R622 (HT feed) o/c, R814 0.47R safety (frame feed) o/c | ||
| Sony | BE-4A KV21T3U | volume goes to max, no remote or front control functions | Micro gets hot, replace Micro part no 875947506 | ||
| Sony | BE-4A KV21T3U | no pic (blank video) | D722 (871999133) o/c on CRT | ||
| Sony | BE-4A KV21T3U | blank raster with flyback lines | A1 voltage too high, replace LOPTx | ||
| Sony | BE-4 KV16WT1U | frame collapse (no picture) | R814 0.46R 0.5W (121781111) o/c, IC501 TDA9302, C504 100uF 50V, also replace D501 RGP10GP (871930243) or may fail again | ||
| Sony | BE-4 KV16WT1U | frame collapse | DJ L807 wire link to LOPTx earth | ||
| Sony | BE-4 KV14T1U | dead | LOPTr Q802 S2055N s/c, R615 0.46R (121737100) o/c, IC601 STRS5706 s/c | ||
| Sony | BE-4 KV14T1U | coloured lines on top | EEPROM IC002 ST24C02CB1 (875937032) | ||
| Sony | BE-4A KVM2171U | no text, excessive width, poor grey scale | NVM corruption. Replace IC002 new type ST24C02FB6 (875937032). Change C0255 from 47uF to 1000uF, add 5.6V zener from pin 8 IC002 (cathode) to earth, tighten earth spring around CRT in the shape of U | ||
| Sony | BE-4A KVM2171U | frame collapse | R622 (HT feed) o/c, R814 0.47R safety (frame feed) o/c | ||
| Sony | BE-4A KV21T3U | volume goes to max, no remote or front control functions | Micro gets hot, replace Micro part no 875947506 |