Dicas Reparação
Modelo - Chassis CUC4400
Pesquisa: CUC4400 Enviar Dica Resolvida
Resultados 21
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| GRUNDIG | CUC4400 | Fonte não gera tensões. | R633 - 3K9 | ||
| GRUNDIG | T51-440 / CUC4400 | Não liga, ou liga só ao fim de alguns minutos e funciona até se voltar a desligar no interruptor. Se for posto em Standby funciona ok. | C633 (100µF/25V) ligado ao pino 6 do TDA4605 alterado - Avaria Típica. | ||
| GRUNDIG | T50-440 CUC4400 | S/ Sincronismos | Mod FI T2243 = BC548 | ||
| GRUNDIG | CUC4400 | Fonte não gera tensões | C661 e C662 com baixa capacidade. Substituir. | ||
| GRUNDIG | CUC4400 | T644 entra sistematicamente em curto | C680 com fuga | ||
| Grundig | CUC4400 | E.H.T very weird, E.H.T. transformer makes strange sound, no image | Measure pin 1 of the TDA2579, if there are vertical pulses then measure pin 11 of the TDA2579 for hor. pulses, If missing, or voltages are very low Mv replace the IC. The ref. voltage on pin 12 will be present if the TDA2579 works correctly. Measure on pin 10 of the PS | ||
| Grundig | CUC4400 | No image from tuner. Image from AV input rgb is rolling over the screen no synchronisation | Check if teletext is present at the top of the screen. If this is ok replace the TDA5931 normally the sound will also be missing | ||
| Grundig | CUC4400 | SEVERE PICTURE DISTORTION IN IF STAGE | TDA5931 US | ||
| Grundig | CUC4400 | Poor pic with ringing | TDA5931 IC2210 on if panel | ||
| Grundig | CUC4400 | No sound or Picture, EHT normal, screen is black. | Change T2213 and T2221 on IF board. No leaks or any other defects were detected. | ||
| Grundig | CUC4400 | No sound or Picture, EHT normal, screen is black. | Change T2213 and T2221 on IF board. No leaks or any other defects were detected. | ||
| Grundig | CUC4400 | Int refuses to go to st/by | Check mains sw wiper contacts | ||
| Grundig | CUC4400 | Flickering/lines with pic breakup | C2257 100n 63v in line osc | ||
| Grundig | CUC4400 | ERATIC LINE SYNC | C2257 100nF 63v | ||
| Grundig | CUC4400 | Chan changes & vol varies int | IR detector TFMS3300 |