Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Grundig | CUC740 | No adj of vol,col,contrast etc | IC2335 MC144111 inside IF/Tuner can | ||
Grundig | CUC740 | lines across screen - no sound | adj R2741 on Ablenkung pcb | ||
Grundig | CUC740 | Int sound | Check if +G supply missing - if so check relay contacts | ||
Grundig | CUC740 | Int dead or int st/by | C633 100µ 25v | ||
Grundig | CUC740 | Int Dead | D671 BY299 in 5v supply int o/c | ||
Grundig | CUC740 | INT CUTOUT , GOING TO SBY OR DEAD | D671 5v SUPPLY | ||
Grundig | CUC740 | Excess width | D572 SKE4G2/06 | ||
Grundig | CUC740 | Dead - S1644 1.25A fuse blown | T654 BU208A s/c - check for arcing at C634 | ||
Grundig | CUC740 | dead - comes on briefly when tapped | dry joints chopper tr and surroundings | ||
Grundig | CUC740 | Dead - chopper tr blows instantly at sw on | R633 27R o/c in base cct - also blew LOPTr | ||
Grundig | CUC740 | Chopper tr blows instantly | R633 27R o/c in base cct - also blew lop tr | ||
Grundig | CUC73xx series ST55-725 | Sound faulty | the soldered joints on C60029 were very poor | ||
Grundig | CUC73xx series ST55-725 | Power supply blow up | Caused by C60029 470pF 1.6KV which was badly dry jointed. Only seems to affect sets fitted with blue cap - the orange ones are ok. | ||
Grundig | CUC7350 | Width varies with pic content - HT varies between 119-129v | R60027 0R56 in curr sensing network - also check R60028 in parallel - values vary with screen size | ||
Grundig | CUC7350 | Unstable HT | R60028 0R68 o/c - check it out of cct! |