Dicas Reparação HITACHI
Modelo - Chassis
Pesquisa: HITACHI Enviar Dica Resolvida
Resultados 1003
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Hitachi | C1414R | DEAD , Q703 THYRISTOR SWITCHING | CHECK/REPLACE ZD701 36v | ||
| Hitachi | C1414-300 | Dead - Q903 ON4584 s/c chopper tr | Replace with Hitachi BUT12AF & R951 39k 0.6w metal film | ||
| Hitachi | C1411T | only store 1 chan - in skip mode & r/c locks | 27Mhz xtal in txt pcb | ||
| Hitachi | C1411T | No Txt , r/c & chan skipping | txt chip IT01 xtal osc inop. XT01 replaced | ||
| Hitachi | C1410R | Tuning goes off slightly | VL08 BC858C sm in AFC cct; VF06 BF840 sm | ||
| Hitachi | A7 series | Short pic | Check value of R602 or 603 (1R - 2R2), they can increase in value slightly | ||
| Hitachi | A7 series | Int reverts to st/by - due to high HT of 175v (135v) | Check for dry joints (often invisible) on Set HT pot VR950 | ||
| Hitachi | A7 series | Field collapse or cramp | Check IC601 & if R616 68k is fitted, if not connect across ZD603 - helps prevent crt flashover damage | ||
| Hitachi | A7 C24W1TN | Trips | Does it trip with A1 volts at min/max? If not, check Nicam chip is fully home in its holder | ||
| Hitachi | A7 | Dead - overvolts Zener PGK180 s/c | Check dry joints HT pot RV950, R950 68k, R952 8k2 & opto IC901 Pt no T548013 -see write up from Dave Hewitt | ||
| Hitachi | A5 C2976TN | Sparks around crt base then reverts to st/by | LOP stage tuning cap o/c & clean up print on crt base | ||
| Hitachi | A5 | To get out of factory pre-set mode (Model & proc type displayed on screen) | Hold "Vol+" & "V0l-" buttons in whilst switching on | ||
| Hitachi | A5 | To exit Factory Mode (Model displayed on screen) | Switch to st/by whilst service mode is displayed | ||
| Hitachi | A5 | To enter service mode | Enter factory mode by holding "Vol+" & "Vol-" whilst sw on, then press "Tuning" button under flap on r/c | ||
| Hitachi | A5 | field fault | TDA8350Q & D718 BYD33 |