Philips Repair Tips
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Results: 14206
Results: 14206
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
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. | ||
PHILIPS |
14PT3131/4131/3331/4331
|
Turns off when changing channels or tuning | - this problem may be caused by "por3.3v / 8v | ||
PHILIPS |
14PT3131/4131/3331/4331
|
Excessive contrast | - 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
|
Poor contrast | - check the possibility of changing the resistor 3318 (220r). | ||
PHILIPS |
14PT3131/4131/3331/4331
|
Colored outlines in the image (rgb). | - check capacitors 2300 (red), 2301 (green), 2302 (blue). | ||
PHILIPS |
14PT3131/4131/3331/4331
|
Commands act intermittently. | - check resistors 3685, 3686, 3687, 3688, 3682. |