Philips Repair Tips
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Results: 14245
Results: 14245
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
2B
|
Pic blanked out | 6 x 33kΩ resistors, 2 in series in each color circuit on thetube-board to be different. if just 1 of them different from the rest, the tda goes in blanking and remains that way.....replace them all! | ||
| PHILIPS |
2B
|
Page header suppression | Page header suppression ----------------------- since the bbc changed the ceefax format, receivers with fastext will display the page header continuously when the set is in subtitle mode (page 888). the problem is only observed on bbc recorded programmes | ||
| PHILIPS |
2B
|
Only uhf tuning (option changed) | Replace ic 7925 by st24c02cp (4822 209 62098) and connect a zenerdiode bzx79/c5v6; 4822 130 34173) from both pin 5 and pin 6 of ic 7925 to earth (anodes to earth). align the service option and picture adjustments. | ||
| PHILIPS |
2B
|
No sound. ok via scart | Check and replace if necessary c2179, 330uf/16v. | ||
| PHILIPS |
2B
|
No sound, picture ok (voltage on pin 5, 7 ic 7220 present) | Replace ic 7220 (tda 1521q/n2; 4822 209 73311). also check soldering-points of sops-transformer (t5663) | ||
| PHILIPS |
2B
|
No sound, picture ok (sound ok via scart) | Check ic 7103 (tda 8405; 4822 209 70934) | ||
| PHILIPS |
2B
|
No sound with reception of mono transmitters. | Check and replace if necessary ic7102 (u2830b; 4822 209 73756) on the stereo decoder | ||
| PHILIPS |
2B
|
No reception of vhf-channels. | Check the option code of the tuner: press simultaneously the keys on the tv "store open" and "saturation+", then switch on the set. on the display you will see the option code and this can be changed with the "c/p+" or "c/p-" key. store with the "store e | ||
| PHILIPS |
2B
|
No picture, sound ok (voltage on pin 14 of ic 7550 smaller then 2v) | Check ic 7550 (tda 8370/v2; 4822 209 70178) and check ic 7570 (tda 3654q; 4822 209 83351) | ||
| PHILIPS |
2B
|
No picture, sound ok (narrow line when increasing g2 voltage) | Ic 7550 (tda8370) is defective. possibly resistor 3535 (10Ω) is disconnected. | ||
| PHILIPS |
2B
|
No picture from cold picture appears slowly from b | C2571 100uf 25v in field cct | ||
| PHILIPS |
2B
|
Hum on standby, not in normal operation | Replace d 6690 (bzv 85/c5v1; 4822 130 31456) | ||
| PHILIPS |
2B
|
Hum during switching | Remove c 2199 (1,5 uf) on stereodecoder | ||
| PHILIPS |
2B
|
Frontend fe618q/256 in repair procedure | Frontend fe618q/256 in repair procedure --------------------------------------- to avoid a shortage of the fe618q/256 (4822 212 22455) in the future, this frontend is put in the repair procedure (repair only). this means that no new frontends will be deli | ||
| PHILIPS |
2B
|
Field foldover with bright line | C2582 680µ | ||
| PHILIPS |
2B
|
Dead - blown chopper transistor. | T7685/6 , d6686 , d6672 , d6607/71 , d6690 , r3687 , r3670 , c2690. | ||
| PHILIPS |
2B
|
Continuous page header display in subtitle | Change text ic to type mab8461p/w196 part no4822 209 62479 | ||
| PHILIPS |
2B
|
Contents of memory lost | The failure occurs when the set is switched off by the power switch. replace battery 1925 (4822 138 10313) check and replace if necessary ic 7925, ic 7926 (pcd 8571p; 4822 209 83571) | ||
| PHILIPS |
2B
|
Checking the power supply | Checking the power supply ------------------------- 1. remove connector m17 2. connect a lamp 220v/75w across c2701 3. switch on set 4. lamp lights, +140 v present this means power supply is ok | ||
| PHILIPS |
2B
|
Causing interference to fm radio reception. | Mod. |