| Make | Model | Problem | Solution | Date |
| | | |
| Found: 534
|
| Grundig | CUC41KT | DEAD POWER SUPPLY WORKING | TY40164 7812 OC | 14-09-04 |
| Grundig | CUC41KT | Dead. | D655 ( BYW76 ) s/c. | 14-09-04 |
| Grundig | CUC4400 | Chan changes & vol varies int | IR detector TFMS3300 | 14-09-04 |
| Grundig | CUC4400 | ERATIC LINE SYNC | C2257 100nF 63v | 14-09-04 |
| Grundig | CUC4400 | Flickering/lines with pic breakup | C2257 100n 63v in line osc | 14-09-04 |
| Grundig | CUC4400 | Int refuses to go to st/by | Check mains sw wiper contacts | 14-09-04 |
| Grundig | CUC4400 | No sound or Picture, EHT normal, screen is black. | Change T2213 and T2221 on IF board. No leaks or any other defects were detected. | 14-09-04 |
| Grundig | CUC4400 | No sound or Picture, EHT normal, screen is black. | Change T2213 and T2221 on IF board. No leaks or any other defects were detected. | 14-09-04 |
| Grundig | CUC4400 | Poor pic with ringing | TDA5931 IC2210 on if panel | 14-09-04 |
| Grundig | CUC4400 | SEVERE PICTURE DISTORTION IN IF STAGE | TDA5931 US | 14-09-04 |
|
|
| Grundig | CUC4401 | Dead o/p volts from psu low | C633 100µ 25v o/c | 14-09-04 |
| Grundig | CUC4410 | Dead - BU508A LOPTr s/c | TDA8140 chip giving dist line pulses - chip was casue of problem | 14-09-04 |
| Grundig | CUC4410 | Excess width | D7102 ZPD30 in E/W module s/c | 14-09-04 |
| Grundig | CUC4410 | No pic - sound ok - no line drive | Comes from IC526 TDA8140 which was dry jointed & faulty | 14-09-04 |
| Grundig | CUC4411 | Col int | Replace sub carrier osc trimmer with a 15pFcap | 14-09-04 |
| Grundig | CUC44R R | Dead. | C633 ( 100uf 40v ) s/c. | 14-09-04 |
| Grundig | CUC44R R | Dead. | Dry joint on R516 by LOPT. | 14-09-04 |
| Grundig | CUC44R R | Frame cramp top & bottom with flyback lines at top | D421 ( 1N4935 ) leaky. | 14-09-04 |
| Grundig | CUC44XX | Station ident on all the time. | Its a dealer option - sw off by pressing Tv then reveal. | 14-09-04 |
| Grundig | CUC4511 | Thin hum bar causing cogging | TDA8140 faulty or C527 | 14-09-04 |
| Grundig | CUC4620 | Dead - tripler was arcing | replaced K536 tripler; T541; IC500 TDA8140; IC 2340 TDA2579; c541 220MF/40V; D546 BY228 | 14-09-04 |
| Grundig | CUC4620 | FIELD COLL | R525 0.33R D7001 SC | 14-09-04 |
| Grundig | CUC4620 | Field collapse - partial | D7001 s/c, R525 0R33 o/c | 14-09-04 |
| Grundig | CUC4620 | No sound or raster - loptx screams | TDA8410 line dr chip u/s | 14-09-04 |
| Grundig | CUC4635 | No NICAM sound - mono sound ok | Check wfrm at pins 3,4 & 33 of CF70123 IC2550. If ok at pins 3 & 4 but pin 33 is low dis pin 15 AMU2484 chip. If signal appears at pin 33 then AMU chip is u/s. If not both chips could be faulty - replacement board cheaper. | 14-09-04 |
| Grundig | CUC4635 | No pic aft tripler replacement | IC2250 MC144130 chip in NICAM Module (I?C data line low) | 14-09-04 |
| Grundig | CUC46XX | Station ident on all the time. | Its a dealer option - sw off by pressing Tv then reveal. | 14-09-04 |
| Grundig | CUC50 | INT FIELD FAULTS | CHECK FIELD PRESETS | 14-09-04 |
| Grundig | CUC52 | dead | HT but nothing else - D661 BY229 o/c | 14-09-04 |
| Grundig | CUC52 | dead | chopper tr & TDA4600 blown - R646 to pin 4 of chip hi res | 14-09-04 |