| Make | Model | Problem | Solution | Date |
| | | |
| Found: 18
|
| Grundig | CUC120 | Blank raster & muted sound. | Drys in IF unit try on pin 12 were 12v supply comes in. | 14-09-04 |
| Grundig | CUC120 | Dead - BU208 s/c. | Check for C633 ( 100uf ) s/c , R646 , replace C631. | 14-09-04 |
| Grundig | CUC120 | Dead. | C633 ( 100u f ) s/c. | 14-09-04 |
| Grundig | CUC120 | FIELD FAULTS | C2768 D2761 R2761 6R8 PRESETS OR TDA1770 | 14-09-04 |
| Grundig | CUC120 | Frame collapse - sound ok. | D2764 ( SKE2F1 ) o/c. | 14-09-04 |
| Grundig | CUC120 | Frame distortion. | IC TDA1770 if used , D2761 ( SKE4G1/04 ) , R2761 ( 6.8ohm , .75W ) | 14-09-04 |
| Grundig | CUC120 | Int luminance | C2527 0µ1 faulty | 14-09-04 |
| Grundig | CUC120 | Interference at sides. | IC TDA2595 sync/line osc IC. | 14-09-04 |
| Grundig | CUC120 | Intermittent going into standby. | Change R647 to ceramic. | 14-09-04 |
| Grundig | CUC120 | Intermittent shut down. | Dry joints on L631 off base of chopper Tx. | 14-09-04 |
|
|
| Grundig | CUC120 | Intermittent shut down. | IC TDA4600 plus check drys on L631 off base of chopper Tx. | 14-09-04 |
| Grundig | CUC120 | Lack of frame at bottom when cold. | C2768 ( 100uf ) on deflection PCB. | 14-09-04 |
| Grundig | CUC120 | No cold start | C626 reservoir cap o/c | 14-09-04 |
| Grundig | CUC120 | No luminace. | D2536 ( IN4148 ) leaky. | 14-09-04 |
| Grundig | CUC120 | No picture - EHT & sound ok. | D2764 ( SKE2F1 ) o/c. | 14-09-04 |
| Grundig | CUC120 | No sound | C2408 1000µ s/c; R2408 o/c 3R9 on audio board | 14-09-04 |
| Grundig | CUC120 | Startup - no start up. | IC TDA4600 plus check drys on L631 off base of chopper Tx. | 14-09-04 |
| Grundig | CUC120 | Startup - takes a long time to come on. | C626 reservoir cap. | 14-09-04 |