Dicas Reparação GRUNDIG
Modelo - Chassis CUC
Pesquisa: CUC GRUNDIG Enviar Dica Resolvida
Resultados 536
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Grundig | CUC7301/3 | Mains fuse S1600 2.5A blows int | 1N4007 mains rect diode, also check IC630, T665chopper tr, zener D663, R661220R,Caps C661/663/656 & 667 | ||
| Grundig | CUC7301/3 | Dead after dry joint C669 caused havoc | T665 MJF18004C chopper s/c; IC630 µC3842N/AN; D621-4 1N4007; R661 220R; D663 3v6 zener; CD651 ZD18v; D667 BA157 leaky. | ||
| Grundig | T51-640 CUC6300 | Lock removal | Vol + Vol - Prog- Prog + then i or pc | ||
| Grundig | MW82-2700 CUC2058 | Dead - pri volts only | R60002 (680K 1W) was O/C situated just behind the switch mode MOSFET on the primary side. | ||
| Grundig | CUC95 | No pic, heaters or EHT - no line pulses from TDA1950 | EHT cap had been arcing and caused demise of TB chip TDA1950 & TDA1770 field chip | ||
| Grundig | CUC95 | Field collapse | all 3 field pre-set pots had been twiddled & broken - replacement cure | ||
| Grundig | CUC95 | FIELD COLLAPSE | R2754 1M PRESET | ||
| Grundig | CUC95 | Dead - BU208 s/c. | R646 high. | ||
| Grundig | CUC7890 | Focus poor | C07 680pF 12kv leaky | ||
| Grundig | CUC7861 | St/by only - started as line collapse | R503 4R7 safety res, TDA8350, D503 BY228 s/c & T572 2SD1432 breaking down under load - also check D502, D438 33v zener | ||
| Grundig | CUC7861 | Sound from bass speaker weak | CT4140 BC849C sm tr o/c | ||
| Grundig | CUC7861 | Poor field,no tuning, no col, smeary pic | 45v supply low due to R552 2R2 o/c | ||
| Grundig | CUC770 | LINE TEARING | CHECK OR CHANGE C501 ( 1000uF , 25V ) | ||
| Grundig | CUC7530 | No H drive | (BC848) which is used as a line protector. | ||
| Grundig | CUC740 | Sound couldn't be reduced &"88" in display | MC144111 IC2335 on tuning pcb |