| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | G90AE | no tuning caused by the SDA3202-2 in the tuner | If there is no oscillation at the Xtal , change the IC , the same is true for the CUC3400 Grundig | ||
| Philips | G90AE | No text, front controls perform wrong task. | i.e. brightness varies when volume buttons are pressed. Check 5 volts to uP. If supply voltage low eg. 3 volts instead of 5 volts, check/replace D6662 in Power Supply Part. D6662 - 5.1 Volt zener diode (4822 130 80905) | ||
| Philips | G90AE | No synchronization, pin 7-IC7470 low | Check C2469 (22uF; 4822 124 20698) for short-circuit. | ||
| Philips | G90AE | No startup. | D6653 leaky. | ||
| Philips | G90AE | No sound, picture OK | Picture present, audio signal present on pin 17 of IC 7220. Replace BU 5 (4822 267 60188) | ||
| Philips | G90AE | No sound, picture OK | Picture present, program selection functions. Replace IC 7220 (TDA 8191; 4822 209 60103) | ||
| Philips | G90AE | No sound with "F7" in display | C2661 22µ in 5v reg cct | ||
| Philips | G90AE | No sound - blank raster , no OSD. | IC TMP47C434N-3555 IC7720 | ||
| Philips | G90AE | No sound | Check sm diode near audio ic for dry joints | ||
| Philips | G90AE | No red | D6854 BAS32 sm diode s/c | ||
| Philips | G90AE | No picture, sound OK. | Video signal present on pin 3 IC 7350. RGB-Signal not present on pin 12, 14, 16 IC 7350. Replace IC 7350 (TDA 3561A/N8; 4822 209 71518) | ||
| Philips | G90AE | No picture, sound OK. | Vertical signal not present on basis TS 7503 Replace TS 7471 (BC 848C; 5322 130 42136) | ||
| Philips | G90AE | No picture, sound OK. | Video signal present on pin 19 SCART, video signal not present on pin 3 IC 7350. Replace TS 7881 (BC 848; 4822 130 61207) | ||
| Philips | G90AE | No picture, no sound | Voltage +95 V present Replace IC 7470 (TDA 2579/N6; 4822 209 72363) and replace TS 7455 (BC 858A; 5322 130 42012) | ||
| Philips | G90AE | NO PIC TEXT OK TDA3561A PIN 7 -ve NOT 3.4v | C2560 33nF |