Dicas Reparação HITACHI
Modelo - Chassis
Pesquisa: HITACHI Enviar Dica Resolvida
Resultados 1003
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Hitachi | G8Q | Dead - HT present - no line drive | St/by line from micro 3.5v (should be 8-12v on , 0v in st/by) D1504 1N4148 in st/by cct faulty | ||
| Hitachi | G8Q | Dead - fuse shattered | Degaussing therm, Q902 s/c, ZD901 27v zener s/c, D903 leaky, IC901 UC3844 chopper chip sus & ZD902 | ||
| Hitachi | G8Q | Dead - fuse o/c. | Change all transistors/diodes in PSU. | ||
| Hitachi | G8Q | Dead - fuse FS901 o/c. | Drys T901 , check Q902 , ZD901 , OC941 , ZD941 , Q941/2 , D905 | ||
| Hitachi | G8Q | dead - comes on eventually if on/off sw held in | volts across C908 gradually increases - TH902 thermistor hi res (approx 2M) remove & clean or replace (better) | ||
| Hitachi | G8Q | Dead | RU2M 20v supply rect s/c & LA4270 audio o/p chip blown | ||
| Hitachi | G8Q | Dead | No activity around SAA1293H control chip - X1501 4Mhz Xtal faulty | ||
| Hitachi | G8Q | dead | ZD901 27v zener s/c | ||
| Hitachi | G8Q | Dark pic | A1 control (part of LOPTx) faulty, R881 470k high or C881 10nf leaky | ||
| Hitachi | G8Q | Channel tuning problems | IC1502 MDA2062 memory chip | ||
| Hitachi | G8Q | Buzz on sound even with vol right down | TA8691N - ord code 19869A WVE | ||
| Hitachi | G8Q | Buzz on sound | IC201 TA8691N chip reqs replacement | ||
| Hitachi | G8Q | Bright white screen | Dry joint C711 due to pressing on back cover | ||
| Hitachi | G8Q | Bright white raster | C720 4µ7 in RGB supply o/c | ||
| Hitachi | G8Q | Bright white pic with no sound | IC952 12v reg o/p down to 9.5v - reg u/s |