Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
---|---|---|---|---|---|
Grundig | CUC70 | Snow on picture & no sound. | DJ IC681. | ||
Grundig | CUC70 | SNOW NO PICTURE | R2127 180R IN IF CAN | ||
Grundig | CUC70 | Reduced frame - with kink at bottom on sides. | C2791 ( 2 , 200uf or 3 , 300uf ) | ||
Grundig | CUC70 | Ragged verts | Line driver supply smoother 1000µ low cap | ||
Grundig | CUC70 | Pulling - esp BBC1 & VCR chan - Txt scrolls sideways | Replaced 2 x 1µ & 47µ caps in IF/Tuner unit near TDA4442 | ||
Grundig | CUC70 | Poor sync - sideways scrolling Txt | C2216 1µ; C2221 4µ7 | ||
Grundig | CUC70 | Poor picture with crinkly verticals from cold | Check C2217 ( 10u f , 16V ) & C2221 ( 4.7u f , 25V ) in the tin IF module. | ||
Grundig | CUC70 | off with a bang | s/c mains rect block bew 2.5A fuse | ||
Grundig | CUC70 | No sound | R366 ( 82R ) o/c , C366 ( 1 , 000uf ) s/c. | ||
Grundig | CUC70 | No signals | dry joints IC681 reg on main pcb | ||
Grundig | CUC70 | No picture - 12v B+ rail missing. | D689 ( 1N4001 ) o/c. | ||
Grundig | CUC70 | No linear frame - kink at bottom on sides. | C2791 ( 2 , 200uf or 3 , 300uf ) | ||
Grundig | CUC70 | No go - fuse blown. | R661 ( 0.15ohm ) secondary side of chopper PSU o/c , TDA4600-2 , Fuse. | ||
Grundig | CUC70 | No frame. | Frame IC but also check C2758 ( 100uf ) & safety res o/c. | ||
Grundig | CUC70 | NO EHT NO LINE DRIVE | NO 12v AS D689 OC |