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Philips Repair Tips




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Results: 14251
Make Model Symptom Problem Solution By
PHILIPS 14PT3131/4131/3331/4331
Folding image vertically - device presents vertical folding in the image after some time of heating, symptom appears when the expand function is activated. see figure. a 1r resistor (code 4806 113 97046) must be added in parallel with position 3446.
PHILIPS 14PT3131/4131/3331/4331
Folding image vertically - check capacitor 2460 (see service information ts04-016).
PHILIPS 14PT3131/4131/3331/4331
Folding image vertically - check diode 6463, possibility of it being altered.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check ci position 5520.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check for possible lack of soldering on the 3489 resistor.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check possible alteration of transistor 7491 and 7496 - see item 5.7 repair tips in the service manual pg. 20.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check possible alteration of the 7540 transistor.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check possible alteration of capacitor 2542 or diode 6501.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check possible changes in the 1k 3525 smd resistor connected to pin 9 of the ci 7250.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check diode 6624 (bas316) and capacitor 2616 (10µf).
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check welding of the 6642 diode.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check possible changes to resistors 3447, 3449, 3450 and 3472.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check possible alteration of capacitor 2542 or diode 6501.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check possible failure in resistor 3475 (10k), frame_out information line.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check possible changes in the 1k 3525 smd resistor connected to pin 9 of the ci 7250.
PHILIPS 14PT3131/4131/3331/4331
Turns off immediately after turning on. - check the possibility of altered resistors 3443/3444, due to the fact that the g2 setting is higher than specified, the protection may act.
PHILIPS 14PT3131/4131/3331/4331
Turn off inter. or protect (rew 3 for vcr). - check possible failure in resistor 3475 (10k), frame_out information line.
PHILIPS 14PT3131/4131/3331/4331
Turn off inter. or protect (rew 3 for vcr). - check welding of the 6642 diode.
PHILIPS 14PT3131/4131/3331/4331
Turn off inter. or protect (rew 3 for vcr). - check for possible leakage in the 6318 diode (8v2 zener diode), generally the screen has excessive contrast and may turn off intermittently.
PHILIPS 14PT3131/4131/3331/4331
Protection - error 5", in this case check 7200, 75 41, 7491, 7493, 7496 . Give priority to checking the 3v3 7493 regulator, check for possible leakage in the 6318 diode (8v2 zener diode), generally the screen has excess contrast and may turn off intermittently.