| Make | Model | Problem | Solution | Date |
| | | |
| Found: 534
|
| Grundig | CUC220 | Goes straight off at sw on | odd characters in display - HT = 180v (109v) HT pot int | 14-09-04 |
| Grundig | CUC220 | Horizontal shaking. | Tuner/IF dry joints , check the electrolytics with freezer | 14-09-04 |
|
|
| Grundig | CUC220 | INT START UP | C631 100uF 40v , C633 220uF , C647 1uF , C642 100uF + R646 270k | 14-09-04 |
| Grundig | CUC220 | int start up | TDA4600 | 14-09-04 |
| Grundig | CUC220 | Interference at sides. | IC TDA2595 sync/line osc IC. | 14-09-04 |
| Grundig | CUC220 | Lack of frame at bottom when cold. | C2768 ( 100uf ) on deflection PCB. | 14-09-04 |
| Grundig | CUC220 | No pic at switch on - looks like its off tune | C2221 ( 1uf 63v ) in tuner/if unit. | 14-09-04 |
| Grundig | CUC220 | No vision with raster and sound. | T2533 , Adj control SB , R2536 , C2536 , D2536 , D2532 | 14-09-04 |
| Grundig | CUC220 | Pulling/Rolling | C2216/2221 1µ 63v in IF can by TDA5500 chip | 14-09-04 |
| Grundig | CUC220 | Shutdown - intermittent switching off. | Dry R646 ( 270k ) , TDA4600 , replace HT pot R647 ( 2.5k ) | 14-09-04 |
| Grundig | CUC220 | Standby - intermittent going into standby. | Change R647 to ceramic. | 14-09-04 |
| Grundig | CUC220 | Standby- intermittent going into standby. | IC663 ( 5v reg ) | 14-09-04 |
| Grundig | CUC220 | Startup - switch on problems & hum. | Relay contacts jammed o/c. | 14-09-04 |
| Grundig | CUC2200 | Small pulsating raster. | Di614 ( 75v zenor ) in cutout circuit rev leak around 100k | 14-09-04 |
| Grundig | CUC2201 | Int trips at sw on | R637 1k set HT pot | 14-09-04 |
| Grundig | CUC2201 | Tripping - then comes on. | Set HT control R637 ( 1k ) | 14-09-04 |
| Grundig | CUC2201 | Tripping, thumping noise & no display | Combi tfmr o/c sec windings N & L | 14-09-04 |
| Grundig | CUC2400 | Dead. | BU508D. | 14-09-04 |
| Grundig | CUC2400 | Flashing & intermittent picture. | Poor contact on CRT base board , & cap shorting. | 14-09-04 |
| Grundig | CUC2400 | LOW SOUND | TUNER FAULTY | 14-09-04 |
| Grundig | CUC2400 | NO BLUE | R769 ON TUBE BASE OC | 14-09-04 |
| Grundig | CUC2400 | No Blue | R760 15k on crt base o/c | 14-09-04 |
|
|
| Grundig | CUC2400 | St/by only | 4M7 resistor in psu connecting the 2 earth rails o/c | 14-09-04 |
| Grundig | CUC2400 | Sync - intermittent frame sync or bounce. | MOD available. | 14-09-04 |
| Grundig | CUC2400 | Tuning - will not tune in. | 5v rail down to 4v , IC676 ( MC78MQ5CT ) | 14-09-04 |
| Grundig | CUC2401 | BU508 getting too hot. | Change TDA8140. | 14-09-04 |
| Grundig | CUC2401 | Dead | R637 1k HT Preset hi res | 14-09-04 |
| Grundig | CUC2401 | Dead - faint tripping heard | Dry joints LOPTx | 14-09-04 |
| Grundig | CUC2401 | Dead HT oK at PSU o/p | No HT at LOPTx - pri winding o/c | 14-09-04 |
| Grundig | CUC2401 | Dead psu tries but fails to start | C633 100µ 25v o/c | 14-09-04 |