| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | GFL2.20E 29PT828C | dead, LED flashing | Frame IC TDA8177 and C2260 100uF 63V | ||
| Philips | GFL2.20E 29PT828C | dead, green LED flashing | R3148 120k gone high (large signal panel) | ||
| Philips | GFL2.20E 29PT828C | dead | R3528 39k o/c | ||
| Philips | GFL2.20 | dead - mains switch faulty | replace switch with improved type (coloured black). Use old part no, Philips will supply a new type | ||
| Philips | G90B | Vertical stripes on the left side. | Check capacitor C2580 (470 uF; 4822 124 40198). | ||
| Philips | G90B | TXT has too low contrast | Remove diode 6813 (BZV55-C7V5) from textdecoder unit 1996. | ||
| Philips | G90B | Txt - dist characters/excess contrast/crushed/no col | Dry joints on daughter board between main pcb & Txt/Nicam panels | ||
| Philips | G90B | Tuning unstable | In some instances it may be found that customers complain of tuning drift on the G90 chassis. This has been found to be due to a specific batch of zener diodes fitted in position D6770 becoming faulty. When replacing this diode the same type (ZTK33B code | ||
| Philips | G90B | Tuning unstable | Voltage on D 6004 (LLZ-C35) fixed Replace U 1000 (UV 816; 4822 210 10365) | ||
| Philips | G90B | Trips violently | Tr7652 BC858C overheating in opto coupler drive cct - Tr leaky | ||
| Philips | G90B | St/by only | EEPROM 20C02 | ||
| Philips | G90B | Spare part information | Spare part information The original TDA8153 (4822 209 73218), on the picture tube panel, is not available anymore A re-disigned complete picture tube panel with discrete components is available now with codenumber: 4822 212 22979. This panel is supplie | ||
| Philips | G90B | sound slow to come on & no txt | C2846 220µ | ||
| Philips | G90B | Sound mutes spontanuously | Mount two capacitors of 100 nF (5322 121 42578; in parallel) between pin 10 IC 7220 (stereo decoder) and earth. | ||
| Philips | G90B | Slow start, led blinking in stand-by mode | TR7455 (BC858A; 5322 130 42012) interrupts from time to time. |