| Make | Model | Problem | Solution | Date |
| | | |
| Found: 534
|
| Grundig | CUC95 | Field collapse | all 3 field pre-set pots had been twiddled & broken - replacement cure | 14-09-04 |
| 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 | 14-09-04 |
| Grundig | G100 | Bright white raster - sound ok | R315 100R 1/4w fusible o/c | 14-09-04 |
| Grundig | G1000 | bright raster sound ok | R316 10R in HT o/c Also replaced rect & smoother to be safe | 14-09-04 |
| Grundig | G1000 | Dead - IC500 ST6365 micro not being reset | No reset pulse pin 33 due to either Tr540 BC847 or Tr451 BCX19 sm trs going s/c - replace both | 14-09-04 |
| Grundig | G1000 | Dead - lop tr s/c & high HT (200v) | D105 BAS16 sm leaky | 14-09-04 |
| Grundig | G1000 | Dead - no 9v supply | R116 fusible o/c IC102 5v reg overheats - C543 sm cap under µ s/c | 14-09-04 |
| Grundig | G1000 | Dead - slowly ticking | C104 Mains smoother o/c | 14-09-04 |
| Grundig | G1000 | Dead - tripping | D304 BY133 in LOP s/c | 14-09-04 |
| Grundig | G1000 | Dead & ticking | D301 BA157 26v supply s/c | 14-09-04 |
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|
| Grundig | G1000 | Field collapse | R337 100R | 14-09-04 |
| Grundig | G1000 | Instability using SCART i/p | Micro chip faulty | 14-09-04 |
| Grundig | G1000 | Int PSU failure, grey scale variations etc | check C104 47mfd 400v - if Black Siemens type replace it | 14-09-04 |
| Grundig | G1000 | No lum in txt | sm TR653 BC847 leaky b-e | 14-09-04 |
| Grundig | G1000 | No sound | R550 4R7 (9v feed to audio chip) TDA2822M IC550 o/c | 14-09-04 |
| Grundig | G1000 | Peak white pic with fb lines | R999 100R on crt base | 14-09-04 |
| Grundig | G1000 | pink raster with striations sound/rc ok | changed 6 trs on crt base + 3 15k resistors cured it | 14-09-04 |
| Grundig | G1000 | Reduced width with foldover | Check line freq is not twice normal - if so micro IC500 75990-200-63 faulty - mod available | 14-09-04 |
| Grundig | G1000 | St/by only | D304 BY133 s/c ; R314 6k8 4w o/c | 14-09-04 |
| Grundig | G1000 | To enter service mode | Press "P+" & "P-" together at sw on. To choose a funct select menu on r/c. Adj with "P+" & "P-" buttons. Choosing another funct stores setting | 14-09-04 |
| Grundig | G1000 | Unfocused 6 inch wide band down screen only | Line freq twice operating freq - cannot be adj - IC500 micro faulty | 14-09-04 |
| Grundig | G1000 | Blank raster and narrow | R315 10R o/c - supply to RGB stage also dry joints power trs | 14-09-04 |
| Grundig | G1000 | St/by only | No line drive - R314 6k8 2w o/c | 14-09-04 |
| Grundig | G1000 | Tripping with burning smell | LOPtx | 14-09-04 |
| Grundig | G1000 GT2103 | Bright raster with fb lines | R315 10R near LOPTx o/c - supplies volts to RGB | 14-09-04 |
| Grundig | GCS100 | Dead - blowing fusible resistor. | Insulating pad under TY501 leaky. | 14-09-04 |
| Grundig | GRT550 | Dead. | T661 ( S668T ) faulty. | 14-09-04 |
| Grundig | GSC100 | Dead - blowing 3.15 fuse - intermittently. | EHT cap arcing. | 14-09-04 |
| Grundig | GSC100 | Dead - blowing 3.15amp fuse. | EHT cap jumping across to degaussing coil. | 14-09-04 |
| Grundig | GSC100 | Dead. | R607 o/c , faulty thyristors , insulation in line o/p stage. | 14-09-04 |