Philips Repair Tips
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Results: 14210
Results: 14210
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
G90AE
|
No line osc | Check pin 16 ic7470 tda2579 for 9v - if low check volts across d6455 5v6 zener - if low replace d6455 bzx55f5v6; if ok replace tr7455 bc858 | ||
| PHILIPS |
G90AE
|
No colour | C2359 leaky. | ||
| PHILIPS |
G90AE
|
No col (s/c pins 1 & 6 dec chip to overide col kill) | Ref osc could not be locked by c2352; c2359 leaky | ||
| PHILIPS |
G90AE
|
No chan store | X2402 eeprom | ||
| PHILIPS |
G90AE
|
No blue | D6416 bas32 u/s | ||
| PHILIPS |
G90AE
|
Nicam -int | Check joints on grey sm caps on nicam pcb - will often req a quick solder round | ||
| PHILIPS |
G90AE
|
Low eht with loptx making fizzing noise | Noise stopped when pin 2 loptx dis'd - ic7470 tda2579a timebase chip faulty (internal s/c on supply pin 10) | ||
| PHILIPS |
G90AE
|
Lines in picture. | Check/replace r 3570 (8,2Ω; 4822 052 10828) | ||
| PHILIPS |
G90AE
|
Lines - fine dark horiz when heated | Dry joints tuner | ||
| PHILIPS |
G90AE
|
Line pairing top half of screen | C2475 ( 33n ) decouples pin 2 of ic7470 | ||
| PHILIPS |
G90AE
|
Led blinks in stand-by mode | Check/replace thyristor 6670 (sfor5d43; 4822 130 20245). | ||
| PHILIPS |
G90AE
|
Keeps interrupting | Raata'i (4k; 5322 111 90111). | ||
| PHILIPS |
G90AE
|
Intercarrier-hum | Adjust coil s 5115 for minimum hum. see service manual chassis g90ae (4822 727 16447) page 4 point 13 | ||
| PHILIPS |
G90AE
|
Int st/by, loss of sigs, col, contrast | Proc chip tmp47c43n-3555 faulty - replacement has metal shield | ||
| PHILIPS |
G90AE
|
Int sound | D6272 bas32 int oc in 20v feed to tda8191 | ||
| PHILIPS |
G90AE
|
Int loss of line/field sync | Resolder 6k8 sm under c2473 | ||
| PHILIPS |
G90AE
|
Int loss of col, sound, random chan change & "f4" int shows | Replace micro/eeprom ic7600 & ic7601 | ||
| PHILIPS |
G90AE
|
Int dead | Dry joints r3671 sm res - feeds from tr7671 to thy 6670 gate | ||
| PHILIPS |
G90AE
|
If +95v is 1) 30v, 2) 50v, 3) 80v | 1) diode 6546 (byd33m; 4822 130 42489) 2) diode 6653 (bas32; 4822 130 80446) 3) diode 6613 (bas32; 4822 130 80446) | ||
| PHILIPS |
G90AE
|
Humming, ticking | Replace thyristor 6670. (sfor5d43, 4822 130 20245). |