| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|
| Grundig | CUC5200
| Blank white raster with no sound | The +B 12v supply low at 8v - T835 BC548 leaky | | |
| Grundig | CUC52
| dead | chopper tr & TDA4600 blown - R646 to pin 4 of chip hi res | | |
| Grundig | CUC52
| dead | HT but nothing else - D661 BY229 o/c | | |
