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Philips Repair Tips




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Search: philips
Results: 14207
Make Model Symptom Problem Solution By
PHILIPS 29PT8422/78
Speaker with vibration. - remove the speaker and check that the damping ring has not been inserted incorrectly, making it possible to correct the positioning.
PHILIPS 29PT8422/78
Turns off immediately after turning on. - if there is a white streak when switching off in the center of the screen, check the deflector connector.
PHILIPS 29PT4640/78
Vertical with little amplitude Enter service mode and check vam geometric alignment.
PHILIPS 29PT4640/78
Flutters at the top. Check changed smd capacitors 2252 and 2253.
PHILIPS 29PT4640/78
Intermittent sound (crashes, hiccups) or no sound. Check possible alteration of capacitor 2619.
PHILIPS 29PT4640/78
No h/v sync. Possible alteration of capacitor 2242 (1µf).
PHILIPS 29PT4640/78
No h/v sync. Possible leak in capacitor 2241(1n5). Check possible replaces in the 1k 3525 smd resistor connected to pin 9 of the ci 7250.
PHILIPS 29PT4640/78
Frame varies when the volume increases. Possibility of missing solder on resistors 3525 3527 or altered.
PHILIPS 29PT4640/78
Frame varies when the volume increases. Check diode 6541 altered.
PHILIPS 29PT4640/78
"frame twinkling with/without expansion ""bloom""." Check smd diodes 6453 and 6445.
PHILIPS 29PT4640/78
Turns off immediately after turning on. Measure the vbat voltage (130v), if not, then disable the protection circuit (short between base
PHILIPS 29PT4640/78
Turn off inter. or protect (rew 3 for vcr). "check capacitor 2455 (47µf) not horizontal ""driver"" circuit."
PHILIPS 29PT4640/78
Turn off inter. or protect (rew 3 for vcr). Check diode 6449.
PHILIPS 29PT4640/78
Turn off inter. or protect (rew 3 for vcr). Check audio ci 7901.
PHILIPS 14PT4131/3131-20PT4331/3331 L03.1L AA
Vertical with little amplitude Check capacitor 2460 (68nf 100v), provisionally the capacitor will be damaged by heating, in this case the stations are being advised to replace the capacitor with (68nf / 250v) code 2222 479 47207. Check possible replaces in the 1k 3525 smd resistor connected to pin 9 of the ci 7250.
PHILIPS 14PT4131/3131-20PT4331/3331 L03.1L AA
Voltages below the specified (vo, +b,..) Check possible changes in the 1k 3525 smd resistor connected to pin 9 of the ci 7250.
PHILIPS 14PT4131/3131-20PT4331/3331 L03.1L AA
Voltages below the specified (vo, +b,..) G2 does not work, check 5441 tsh.$$#
PHILIPS 14PT4131/3131-20PT4331/3331 L03.1L AA
Voltage varying. Check possible changes in the 1k 3525 smd resistor connected to pin 9 of the ci 7250.
PHILIPS 14PT4131/3131-20PT4331/3331 L03.1L AA
Mechanical noise in stand by. Check resistor 3520 (1k2) and capacitors 2528 (22µf, 50v), 2520 (10nf), 2452 (22nf) this capacitor was not mounted on the first models.
PHILIPS 14PT4131/3131-20PT4331/3331 L03.1L AA
"frame twinkling with/without expansion ""bloom"". " Check possible changes in the 1k 3525 smd resistor connected to pin 9 of the ci 7250.