| Make | Model | Problem | Solution | Date |
| | | |
| Found: 534
|
| Grundig | CUC70 | Sound uncontrollable - full vol - may be int | R2250 4k7 preset sound pot int | 14-09-04 |
| Grundig | CUC70 | Tuning - no tuning. | C2020 in tuner & T2304 in tuning module. | 14-09-04 |
| Grundig | CUC70KT | BENT VERTICALS WORSE FROM COLD | C2731 100u 25v ON LINE/FIELD PANEL | 14-09-04 |
| Grundig | CUC70KT | Dead. | D661 ( SKE4G2/06 ) o/c can use SKE4F2/02 | 14-09-04 |
| Grundig | CUC70KT | East west - poor. | R571 o/c. | 14-09-04 |
| Grundig | CUC70KT | Line - cogging. | C662 ( 600u f , 63v ) | 14-09-04 |
| Grundig | CUC70KT | No Picture - sound Ok - static on screen. | Frame PCB R2756 ( 7R 1/4watt ) o/c if so IC TDA2653A | 14-09-04 |
| Grundig | CUC70KT | Tripping - starts up then trips. | D471 s/c can use a BY299. | 14-09-04 |
| Grundig | CUC720 | Dark on bright scenes. | C2216 ( 1uf , 63v ) TDA5500 in IF or change can , C2541 ( 2.2uf | 14-09-04 |
| Grundig | CUC720 | Dead - blown 2.5amp fuse. | Bridge rectifiers/c D621 ( SKBB380 ) can use a BY179. | 14-09-04 |
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| Grundig | CUC720 | Int. won't start, sound ok. | Change all small electrolytics on vertical/horizontal PCB. | 14-09-04 |
| Grundig | CUC720 | No frame. | C2768 ( 100uf ) leaky , R2771 ( 6R8 ) , field to TDA2653. | 14-09-04 |
| Grundig | CUC720 | No sound | R2408 ( 3.3R ) on sub PCB , TBA120T in IF must be a 120T | 14-09-04 |
| Grundig | CUC720 | Purity. | Th on small mains PCB , C601 ( 0.15uf , 250v ) | 14-09-04 |
| Grundig | CUC720 | Teletext - fault - Picture shows at same time | C2881 ( 1uf ) | 14-09-04 |
| Grundig | CUC720 | Won't start, PS squeals, relay remains open. | Change C655 100uF/25V cap. | 14-09-04 |
| Grundig | CUC73 | WON'T START UP | D663 SC | 14-09-04 |
| Grundig | CUC7301 | Blown psu caused by R661 220R going hi res | also replaced IC630 UC3842, T665 MJFS8004, D663 3v6 Zener | 14-09-04 |
| Grundig | CUC7301 | Dead | Dry joint C669 blows T665 & IC630 | 14-09-04 |
| Grundig | CUC7301 | Dead | C669 1000pf dry joints & burnt; MJF18004 T665 s/c; ZD663 had 25R reverse resistance, D624/621 1N4007 mains rects s/c & UC3842AN faulty | 14-09-04 |
| Grundig | CUC7301 | Dead - Chopper T665 blown plus - | IC630, D633 3v6 zener, D662 BA157, bridge rects D621-4 1N4007, R661 220R, R663 18R, 3 x sm diodes under psu sect, dry joints C669 | 14-09-04 |
| Grundig | CUC7301 | Dead - lop tr s/c & replacement ran hot | CT169 BC858B buffer sm leaky | 14-09-04 |
| Grundig | CUC7301 | Dead - R542 10k or 13k o/c | When replaced overheated again - crack in print by lopt | 14-09-04 |
| Grundig | CUC7301 | Field lin poor, width reduced & HT only 100v | R666 & 667 in psu 0R82 had risen to 1R5 (values depend on crt size) | 14-09-04 |
| Grundig | CUC7301 | Low sound & no set up menu | In hotel mode - to exit - hold down "i" button at sw on | 14-09-04 |
| Grundig | CUC7301 | low sound -stuck in hotel mode | hold 'i' button whilst switching tv on. Use rc arrows to select hotel mode then off | 14-09-04 |
| Grundig | CUC7301 | off chopper tr s/c c-b | T665 MJE18004C, D664, 666 1N4003, CD654,CD656 LS4148, IC630 UC3842A, D663 6.3v zener, R661 220R replaced & dry joint C669 | 14-09-04 |
| Grundig | CUC7301 | off with a bang | C669 1000pf had dry joints causing burn up of pcb. Following parts replaced :- 2.5A fuse, IC638 uC3842AN, T665 chopper tr MJF18004C, D662 BA157 s/c, D663 ZPD3.6 3.6v zener s/c, R663 18R, R661 220R hi res, R669 5w | 14-09-04 |
| Grundig | CUC7301 | Pic goes bright & may trip | CT181 BC858B & CT186 BC848B sm on main pcb | 14-09-04 |
| Grundig | CUC7301 | Pic pulled across to right | CT169 BC858B sm leaky | 14-09-04 |