| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | G90AE | Dead | D6617 6v2 zener s/c; R3668 150R sm dry joint | ||
| Philips | G90AE | Dark picture - no remote commands. | Replace IC 7720. | ||
| Philips | G90AE | Cogging effect | C2630 47µ 160v HT res cap also change C2631 smoother | ||
| Philips | G90AE | Characters wrong | Replace IC 7820 (SAA 5243P/E; 4822 209 30556) and replace IC 7800 (MAB 8461P/W196; 4822 209 62479) | ||
| Philips | G90AE | Blocks/Wrong OSD-indication | Disconnect pins 2 and 3 IC 7800 (TXT-uP), set functions normally. Replace IC 7800 (MAB 8461P/W196; 4822 209 62479). Mount metal shielding 4822 466 82783 on uP (IC 7720) with earth to jumper 9711. | ||
| Philips | G90AE | BLANK SCREEN NO SOUND | RESET AT 2v IC7720 PIN 33 IF DROPS WHEN PIN 33 ISOLATED REPLACE IC TMP47C434N-3555 | ||
| Philips | G90AE | Blank raster with no sound. OSD or response to R/C | IC7720 reset line pin 33 stuck at 2v - chip had internal leak TMP47C434N-3555 | ||
| Philips | G90AE | Blank raster , no sound , no OSD. | IC TMP47C434N-3555 IC7720. | ||
| Philips | G90AE | Blank raster & no sound | TDA5850 | ||
| Philips | G90AE | Blank raster - Txt OK | pin 7 TDA3561A was -ve instead of 3.4v; C2560 33nF o/c | ||
| Philips | G90AE | Blank raster - text Ok. | C2569 ( 33nf ) o/c. | ||
| Philips | G90 | Verticals corrugated | C2630 ( 47uF ) | ||
| Philips | G90 | Tuning - drift but green line moves. | ZTK33B 33v stabiliser. | ||
| Philips | G90 | trips after few mins operation | Tr7652 BC557C | ||
| Philips | G90 | Tripping - works on reduced HT | D6656 33v prot zener in HT sensing faulty - replace all 3 |