Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
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 | MW70-3699 | Dead 1.6A fuse blown | Check 270k res for o/c behind chopper Tr & replace chopper Tr | ||
Grundig | M82-102IDTV | Int cuts out | Chopper trfmr breaking down | ||
Grundig | M82-100IDTV | Tripping - stops if tripler dis'd | Check caps in psu control sub panel for low capacitance | ||
Grundig | GT2105 | Unstable pic & sound | 33v tuner supply fluctuating at 25v - tuner faulty | ||
Grundig | GT2105 | No Green | R908 on crt base & R802 near RGB chip | ||
Grundig | GT2105 | Dead - no line drive | R315 o/c | ||
Grundig | GT2105 | Dead - HT pulsating | Tr302 LOPTr s/c | ||
Grundig | GT2105 | Bright white raster | R315 10R on crt base o/c | ||
Grundig | GT2103 | Hum bar | mains smoother 47µ 385v o/c | ||
Grundig | GT1401 | No sound or pic | 5v supply missing because D114 cathode no soldered thro' print | ||
Grundig | GSC700 | Int smeary flat picture. | Luma delay line leaky. | ||
Grundig | GSC200 Chassis | No sound or Picture, led displays not lit.EHT at 18KV. | C2607 in relay PCB Sced.Check also D334 and D335 in tuning module as in one case they were found to be Sced together with C2607. | ||
Grundig | GSC200 Chassis | Black screen, EHT at about 18 KVs. | Change Di511. | ||
Grundig | GSC200 Chassis | Arcing in picture. Reduced width with torn edges. | The HO Transformer has a built in fuse holder which houses a 50mA fuse. (connected in series with the high tension cable). Replace the fuse and clean the contacts. |