Dicas Reparação
Modelo - Chassis AA5
Pesquisa: AA5 Enviar Dica Resolvida
Resultados 18
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | 21PT166B Chassis AA5 | Sem deflecção horizontal, só uma linha vertical ao centro da tela. | Substituição do C2450 de 680nf 250V. | ||
| Philips | 21PT166B/00 AA5 AB | No drive to LOP transistor | Middle sections checked OK. Carefully scoping the TDA8361's Hor. output showed gnd level to be at +0.8v not enough to drive next stage. Change the TDA8361 | ||
| Philips | AA5AB 21PT165B | Overbright raster, with flyback lines | R3470 8R2 o.c. (safety resistor to 183V supply from L.O.T.) | ||
| Philips | AA5AB | Line collapse | 680nf cap in line o/p stage low cap | ||
| Philips | AA5 AB | No response to r/c commands | ST24C02CP EEPROM chip | ||
| Philips | AA5 AB | line o/p tr failure | dry joints rear connector of scan coils | ||
| Philips | AA5 AB | Line collapse then off | C2450 680nf 150v s corr cap | ||
| Philips | AA5 AB | Dull pic aft replacement of TDA8362 or crt base components | R3470 8R2 safety res in RGB HT supply o/c | ||
| Philips | AA5 AB | Dead with LEDs flashing on/off every 3 secs | EEPROM fault - new ST2402A made no difference, neither did LM317T reg which had no o/p - crack in print pin 1 LOPTx | ||
| Philips | AA5 AB | Dead no st/by unless line stage dis'd | loptr BU1508DX 7445 pt no 4822 130 63569; loptx 5445 pt no 4822 140 10544 | ||
| Philips | AA5 AB | dead - wickman fuse 1571 o/c | when replaced ht low & tripping. LOPT u/s. If fuse blown for no apparent reason Philips say change thyristor 7481 & 3482 sm resistor 6k8. | ||
| Philips | AA5 AB | Dead - no line drive pin37 IC7015 TDA8361 | Chip faulty | ||
| Philips | AA5 AB | Dead - burn up &/or s/c RGB trs on crt base or IC7015 TDA8362 on main pcb damaged | LOPTx is main suspect of this fault | ||
| Philips | AA5 AA | No field scan | TDA3654 7401 & D6449 BYD33G & 3449 400mA wickman fuse | ||
| Philips | AA5 21PT166B | Dead with HT LOPTx pri | Prot 1571 o/c in series with 11v supply to 8v reg IC7567 which had s/c o/p.This feeds pin 10 multifunction chip IC7015 via L5565 which was s/c to chassis. Usually caused by breakdown in LOPTx |