hitachi Repair Tips
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Results 930
Results 930
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Hitachi | G8Q | Narrow & Pic shift to right with weak sync | TDA2579A & check R725 470k | ||
| Hitachi | G8Q | Memory lost | Check for 3v at IC1502 MDA2062 memory chip & R1519 27k 1w | ||
| Hitachi | G8Q | Line hold lost | IC431 M51551P on IF panel | ||
| Hitachi | G8Q | Lack of sync | Q2110 BC548B on txt pcb | ||
| Hitachi | G8Q | Int trip | R910 5R increased res - could be IC1501 micro | ||
| Hitachi | G8Q | Int to start up | TH902 | ||
| Hitachi | G8Q | Int st/by | R718 51k hi res replaced - triggering crowbar thy | ||
| Hitachi | G8Q | Int loss of green | RGB o/p tr BF459 faulty - can use BF462 in lieu | ||
| Hitachi | G8Q | Int fails to start. | TH902 THERMISTOR | ||
| Hitachi | G8Q | INT CUTTING OUT AFTER REPAIR TO POWER SUPP. | CHANGE R910 , C908 , VR901. SET POT TO 12 OCLOCK *******DISCHARGE C906 BEFORE ANY WORK******* | ||
| Hitachi | G8Q | Int Crackle on sound | Replace C1522 ( 1nF ) C460 ( 100nF ) C454 ( 22nF ) C453 ( 22nF ) | ||
| Hitachi | G8Q | Int corruption of stored data - all sigs lost & reverts to chan 0 | 5v supply to txt pcb int lost - coil on back of board in supply from 8v reg IC001 line was dry jointed | ||
| Hitachi | G8Q | Int comes on into standby from cold. | Thermister TH902. | ||
| Hitachi | G8Q | Int blank screen/snowy/flickering | Ripple on 12v line caused by C932 1000ยต corrupting micro | ||
| Hitachi | G8Q | HT high at 165v & won't adjust | ZD941 ref diode BZV10 leaky | ||
| Hitachi | G8Q | Horizontal lines when warmed up | tuner thermally defective | ||
| Hitachi | G8Q | horizontal lines appear when set is warm | Tuner goes thermally defective | ||
| Hitachi | G8Q | Field collapse | No supply to IC601 FOP chip - R715 1R fusible o/c & chip u/s | ||
| Hitachi | G8Q | EXCESSIVE WIDTH - NO E/W COECTION | D705 , C714 BYW96D AND 27nf | ||
| Hitachi | G8Q | excess brill / fb lines | 200v video supply missing - R720 2R0 o/c |