| Make | Model | Problem | Solution | Date |
| | | |
| Found: 5
|
| Hitachi | NP8CQ | Int colour. | One leg og R620 s/c to jumper lead J723. | 14-09-04 |
| Hitachi | NP8CQ | Int no colour. | Try adj R515 , make sure agc control R203 is turned up. | 14-09-04 |
| Hitachi | NP8CQ | OVER BRIGHT PIC , NO FLYBACK LINES | 22mfd , 250v SMOOTHING CAP TO RGB OP. STAGES | 14-09-04 |
| Hitachi | NP8CQ | Standby - in standby at switch on. | BC548 also 4 7uf/22uf electrolytics. | 14-09-04 |
| Hitachi | NP8CQ | Startup - no startup. | Chopper transistor. | 14-09-04 |