| Make | Model | Problem | Solution | Date |
| | | |
| Found: 901
|
| Hitachi | G8Q | Dead apart from tripping | Txt panel dis'd & trip stops - C933 | 14-09-04 |
| Hitachi | G8Q | Dead- fuse blackened | Check TH902 thermistor | 14-09-04 |
| Hitachi | G8Q | Dead or int start up/off | Start up therm TH902 o/c | 14-09-04 |
| Hitachi | G8Q | Dead with blackened mains fuse | Melted PVC tape from degaussing coils touching audio amps heatsink | 14-09-04 |
| Hitachi | G8Q | DEAD WITH LINE DRIVER TURNED FULLY ON AND LED NOT | CHECK AROUND IC1502 ( SAA1293 ) FOR ACTIVITY if none replace X1501 crystal | 14-09-04 |
| Hitachi | G8Q | Diagonal bands of interference - esp in Txt | C932 470µ 16v | 14-09-04 |
| Hitachi | G8Q | Display corrupt | Check Q1502/3/4/5 - Q1505 was leaky BC548 | 14-09-04 |
| Hitachi | G8Q | EEPROM keeps becoming corrupted | Deguassing positor int arcing | 14-09-04 |
| Hitachi | G8Q | excess brill / fb lines | 200v video supply missing - R720 2R0 o/c | 14-09-04 |
| Hitachi | G8Q | EXCESSIVE WIDTH - NO E/W COECTION | D705 , C714 BYW96D AND 27nf | 14-09-04 |
|
|
| Hitachi | G8Q | Field collapse | No supply to IC601 FOP chip - R715 1R fusible o/c & chip u/s | 14-09-04 |
| Hitachi | G8Q | horizontal lines appear when set is warm | Tuner goes thermally defective | 14-09-04 |
| Hitachi | G8Q | Horizontal lines when warmed up | tuner thermally defective | 14-09-04 |
| Hitachi | G8Q | HT high at 165v & won't adjust | ZD941 ref diode BZV10 leaky | 14-09-04 |
| Hitachi | G8Q | Int blank screen/snowy/flickering | Ripple on 12v line caused by C932 1000µ corrupting micro | 14-09-04 |
| Hitachi | G8Q | Int comes on into standby from cold. | Thermister TH902. | 14-09-04 |
| 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 | 14-09-04 |
| Hitachi | G8Q | Int Crackle on sound | Replace C1522 ( 1nF ) C460 ( 100nF ) C454 ( 22nF ) C453 ( 22nF ) | 14-09-04 |
| Hitachi | G8Q | INT CUTTING OUT AFTER REPAIR TO POWER SUPP. | CHANGE R910 , C908 , VR901. SET POT TO 12 OCLOCK *******DISCHARGE C906 BEFORE ANY WORK******* | 14-09-04 |
| Hitachi | G8Q | Int fails to start. | TH902 THERMISTOR | 14-09-04 |
| Hitachi | G8Q | Int loss of green | RGB o/p tr BF459 faulty - can use BF462 in lieu | 14-09-04 |
| Hitachi | G8Q | Int st/by | R718 51k hi res replaced - triggering crowbar thy | 14-09-04 |
| Hitachi | G8Q | Int to start up | TH902 | 14-09-04 |
| Hitachi | G8Q | Int trip | R910 5R increased res - could be IC1501 micro | 14-09-04 |
| Hitachi | G8Q | Lack of sync | Q2110 BC548B on txt pcb | 14-09-04 |
| Hitachi | G8Q | Line hold lost | IC431 M51551P on IF panel | 14-09-04 |
| Hitachi | G8Q | Memory lost | Check for 3v at IC1502 MDA2062 memory chip & R1519 27k 1w | 14-09-04 |
| Hitachi | G8Q | Narrow & Pic shift to right with weak sync | TDA2579A & check R725 470k | 14-09-04 |
| Hitachi | G8Q | no eht & 12vsupply only 5v | C933 2200µ 25v leaky | 14-09-04 |
| Hitachi | G8Q | No or only part of display shows | Check IC1501 SAA1293H by subst - if only part of display showing check R15060R1513 100R | 14-09-04 |