Philips Repair Tips
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Results: 14245
Results: 14245
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
3A
|
In vhf frequencies only noise. | Defective channel selector. | ||
| PHILIPS |
3A
|
Hum on standby | Build in modification 4822 212 23273 (mounting-instructions are included) | ||
| PHILIPS |
3A
|
Goes into standby/protection | Check transistor 7731 (bc566) for e/c short circuit (4822 130 40989). | ||
| PHILIPS |
3A
|
Flashing on picture (flasher confirming a video output fault) | Solder dry joints on crt base pwb, replace crt base socket and clean crt pins. | ||
| PHILIPS |
3A
|
Entering service mode | Press mono button on front of set & sleep timer/print on r/c. 4 dashes appear, 1st 2 digits is parameter, 2nd 2 is value. | ||
| PHILIPS |
3A
|
East/west defective. | Check d 6610 (live 95p; 4822 130 41602) | ||
| PHILIPS |
3A
|
Does not function (stand-by led and crispening led blink both) | Replace c2618 (1,5 nf; 4822 126 12274) | ||
| PHILIPS |
3A
|
Display jumps from channel to channel. | Flat cable of keyboard unit is defective. | ||
| PHILIPS |
3A
|
Dead. | F1601 ew feed 315ma o/c. | ||
| PHILIPS |
3A
|
Dead or lines in the upper part of the screen. | Replace fuse 1642 (1 a) with 1,25 a (order code 4822 253 10075) in 33" sets that has nicam and pip. | ||
| PHILIPS |
3A
|
Dead - ht only 35v | Ht = 135v when lop stage dis'd - loptx faulty | ||
| PHILIPS |
3A
|
Dead | Capacitor c2609 in line output stage. | ||
| PHILIPS |
3A
|
Cushion distortion cannot be adjusted (east-west). | Check diode 6610 (4822 130 41602). | ||
| PHILIPS |
3A
|
Control does not function well | A. for sets with 50 hz and uv 816 replace ic 7830 (mab 8461p/w131; 4822 209 11608) ic 7831 (mab 8461p/w147; 4822 209 73359) b. for sets with 100 hz and uv 816 replace ic 7830 (mab 8461p/w164; 4822 209 73585) ic 7831 (pcf84 | ||
| PHILIPS |
3A
|
Control does not function (+5 v on pin 28 ic 7830, 7831 present) | Replace ic 7830 (mab 8461p/w131; 4822 209 11611) ic 7831 (mab 8461p/w147; 4822 209 73359) | ||
| PHILIPS |
3A
|
Characters wrong | Check u 1018 (if module europe:4822 212 22439) (if module france:4822 210 10295) | ||
| PHILIPS |
3A
|
But12a sc | Resolder chop tx + check print on pins 2 + 11 for cracks !!!vip!!! | ||
| PHILIPS |
3A
|
All voltages from power supply and line o/p stage ok. | Check reset line to upc panel (1008). this voltage should be approx 1.5 volts. if the voltage is low, check the por area but also check the reset transistor - t7841, bc548 on the micro panel. | ||
| PHILIPS |
3A
|
3 & 4 1/2 page layouts. | 3 & 4½ page layouts. october 1993 page 857. | ||
| PHILIPS |
3A
|
+ 140 volt switches off. | Check soldering contacts of sops transformer and line-transformer. |