Make | Model | Problem | Solution | Date |
| | | |
Found: 534
|
Grundig | 8240 | Lack of blue. | R1958 o/c. | 14-09-04 |
Grundig | 8610 | Hum bar effect at centre & width reduced. | +D ( 36v ) supply reservior cap. | 14-09-04 |
Grundig | 8632GB | Blank screen - sound ok. | DI1948. | 14-09-04 |
Grundig | 8632GB | Intermittent colour. | C861 , C863 leaky. | 14-09-04 |
Grundig | 8632GB | Raster - int blank screen - sound ok | DI1948. | 14-09-04 |
Grundig | 8636 | Bright line in centre over picture. | C468 ( 15u f , 25v ) | 14-09-04 |
Grundig | 8787 | dead | RU05 & RU15 resistors sprung open & fuse VU09 o/c no other ff | 14-09-04 |
Grundig | 9050 Project | Raster - blank - int blank raster. | Cracks on main board left of tuner/i.f can by hole. | 14-09-04 |
Grundig | 9050 Project | Sound - int sound. | Cracks on main board left of tuner/i.f can by hole. | 14-09-04 |
Grundig | A3106 | No luminance. | Dirty contact on pin 11 of IC2594. | 14-09-04 |
|
Grundig | CS9403 | Dead | T60020 = BUZ90A, D600011, 12, 13, 14, 21, 23 = 1N4700, IC60030 = UC3842, R60028 = 0R68 (high) - replace it even if measures ok - known to cause HT variations on chan change or scene changes | 14-09-04 |
Grundig | CUC | Dead - blowing BU208 & TDA4600. | R646 ( 270k ) , replace with carbon film type. | 14-09-04 |
Grundig | CUC 6360 / CUC 6361/ CUC 6365 | Intermittent no picture, it would fade out with the width getting smaller.
HT 150volts was down to 100volts. | C672 100 MFD @ 250VW | 14-09-04 |
Grundig | CUC 6360 / CUC 6361/ CUC 6365 | No picture, but HT / EHT all ok, picture was blanked out. | CT5066 BC858. This is a s.m. device on the video processing pcb. It is on p22 of ic 5040. | 14-09-04 |
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 |