Dicas Reparação HITACHI
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Hitachi | CPT2188 | Int failure to start | C604 1000µ o/c | ||
| Hitachi | CPT2176 | Field - top foldover | C682 1000µ 50v in FOP stage hi esr | ||
| Hitachi | CPT2158 NP85CQMk2 | Poor pic - dark & streaky | ZD801 3v3 zener on crt base leaky | ||
| Hitachi | CPT2158 | blank raster & max sound | No 5v to micro - D911 dry joint | ||
| Hitachi | CPT2138 | Blank grey raster, no sound for first few mins | C922 470µ 25v hi esr | ||
| Hitachi | CPT210 | Bright raster esp on rh side with smearing | 200v supply to crt pcb low due to C719 4µ7 250v o/c | ||
| Hitachi | CPT2088 | Long time to come on, no front display, poor tuning with grainy pic, lack of height | Check electrolytics in HT, 14v, 12v & 25v line | ||
| Hitachi | CPT2082 | Int buzz on sound | Bad connection on plug PL401 in audio sect | ||
| Hitachi | CPT2080 | Field collapse - int | FOP Tr Q651 2SD401A - also check its partner Q651 2SD401A | ||
| Hitachi | CPT2064 | R/C inoperative | IC3003 M58485P | ||
| Hitachi | CPT2064 | No remote operation. | Checks ok on detector , IC3003 ( M58485P ) in Tv set. | ||
| Hitachi | CPT2064 | Dead - blown fuse F901. | IC901 ( STR440 ) , Q781 ( 2SD898B ) s/c. | ||
| Hitachi | CPT2060 SalJ | Dead. | Diac DB725 ( BR100 ) s/c , CB726 & CB712 ( 4.7ufs ) | ||
| Hitachi | CPT2050 SalJ | Frame - height erratic - going pink/green. | IC TDA2653 frame IC. | ||
| Hitachi | CPT2050 | Red chroma only - no G, B or lum | 470k in A1 pot divider o/c |