Dicas Reparação HITACHI
Modelo - Chassis
Pesquisa: HITACHI Enviar Dica Resolvida
Resultados 1003
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Hitachi | G7P | DEAD WITH ONLY 33v AT LINE OP. COLL. | CHECK MAIN SMOOTHING 150mfd 400v C909 | ||
| Hitachi | G7P | DEAD SURGE LIMITER O/C 3R9 7W Q901 OK | C919 4n7 1kv SC | ||
| Hitachi | G7P | Dead int & blows chopper tr | R932 220k to pin 4 TDA4601 hi res | ||
| Hitachi | G7P | Dead - mains fuse o/c - chopper tr s/c | Check R931 150k & R932 120k | ||
| Hitachi | G7P | Dead - HT low at 26v until LOP stage dis'd | D905 MPG06J leaky | ||
| Hitachi | G7P | dead | LOP tr 2SD1884 s/c - use correct type | ||
| Hitachi | G7P | Dead | CHECK DIODE ACROSS BASE EMITTER OF CHOPPER TRANSISTOR | ||
| Hitachi | G7P | Dead | CHECK R901 ( 3R9 ) 7W C919 ( 4.7nF ) 1Kv AND C928 ( 2.2nF ) 2Kv R932 R931 ( 100K ) Q901 ( BUT11 ) D904 | ||
| Hitachi | G7P | CUTS OUT INT | R919 920 100k | ||
| Hitachi | G7P | Cuts out aft half hour | Prot thy triggers due to Q704 BF432 leaky when warm | ||
| Hitachi | G7P | Crowbar operates aft 5 secs aft Loptx replacement | ZD703 faulty - measured ok out of cct | ||
| Hitachi | G7P | COMES ON BRIGHT THEN TRIPS OFF | Q801 BC558 OR ZD804 9v1 | ||
| Hitachi | G7P | Black lines across screen & int field collapse | dry joints field o/p chip IC601 | ||
| Hitachi | G7P | Bent verts at top when playing tapes | Try changing C104 to 22µ & C205 to 4µ7 - if this makes no difference, reduce C701 to 3n3 & C702 to 0µ47 50v (unofficial) | ||
| Hitachi | G7/8QP | WHITE SCREEN | REFIT C171 |