PHILIPS TV Repair: Common Faults and Solutions.


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PHILIPS Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PHILIPS3A
No picture.Tda4580 us
PHILIPS3A
No picture, audio ok. (picture ok via scart)Check u1018 (if module europe:4822 212 22439) (if module france:4822 210 10295)
PHILIPS3A
No picture, audio ok (+26 v on pin 9 ic7552 present)Signal on pin 5 ic7552 not present. check c2569 and ic7552 (tda3654q; 4822 209 73308)
PHILIPS3A
No picture nor sound, power supply whistles.In pin 2 of transformer 5620 resistors 2,7Ω broken (not mentioned in the service manual).
PHILIPS3A
No nicam sound7201 defective (4822 209 61114).
PHILIPS3A
No 140 vRemove audio output stage (pas) u1003, +140 volt is present. replace ic7200, ic7210 (tda1514/n4; 4822 209 70938). also mount 2 diodes p4ke30c700 (4822 209 73095) in parallel to c2228 and c2229 (polarity is not important)
PHILIPS3A
In vhf frequencies only noise.Defective channel selector.
PHILIPS3A
Hum on standbyBuild in modification 4822 212 23273 (mounting-instructions are included)
PHILIPS3A
Goes into standby/protectionCheck transistor 7731 (bc566) for e/c short circuit (4822 130 40989).
PHILIPS3A
Flashing on picture (flasher confirming a video output fault)Solder dry joints on crt base pwb, replace crt base socket and clean crt pins.
PHILIPS3A
Entering service modePress mono button on front of set & sleep timer/print on r/c. 4 dashes appear, 1st 2 digits is parameter, 2nd 2 is value.
PHILIPS3A
East/west defective.Check d 6610 (live 95p; 4822 130 41602)
PHILIPS3A
Does not function (stand-by led and crispening led blink both)Replace c2618 (1,5 nf; 4822 126 12274)
PHILIPS3A
Display jumps from channel to channel.Flat cable of keyboard unit is defective.
PHILIPS3A
Dead.F1601 ew feed 315ma o/c.
PHILIPS3A
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.
PHILIPS3A
Dead - ht only 35vHt = 135v when lop stage dis'd - loptx faulty
PHILIPS3A
DeadCapacitor c2609 in line output stage.
PHILIPS3A
Cushion distortion cannot be adjusted (east-west).Check diode 6610 (4822 130 41602).
PHILIPS3A
Control does not function wellA. 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