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Philips Repair Tips




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Results: 14238
Make Model Symptom Problem Solution By
PHILIPS 14PT3131/4131/3331/4331
Turns on randomly - exits the stby function without command. - this symptom may occur at low temperatures in some ci 7200 versions.
PHILIPS 14PT3131/4131/3331/4331
Interference with sound or image on other devices when stb. - remove 1nf capacitor position 2585. if the product's power supply is 220v, the fet 7521 must be checked for 14" models fet transistor fqpf6n80 (9322 187 17687) and for 20 and 21" models fet transistor fqpf7n80 (9322 174 27687 ).
PHILIPS 14PT3131/4131/3331/4331
Interference in the image - check diode 6463, possibility of alteration. - check for possible lack of solder on the 3456 resistor.
PHILIPS 14PT3131/4131/3331/4331
Interference in the image - check diode 6463, possibility of alteration. - possibility of changing the power supply resistor 3547 (330k).
PHILIPS 14PT3131/4131/3331/4331
Image without definition, like weak trc. - check the possibility of changing one of these resistors 3443, 3444 or 3318.
PHILIPS 14PT3131/4131/3331/4331
Excess brightness at the av entrance. - check resistor 3181 (75r) altered or unsoldered.
PHILIPS 14PT3131/4131/3331/4331
Folding image vertically - check capacitor 2460 (see service information ts04-016).
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.