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
PHILIPSL	29PT554A/78R L9.1LAAN	Does not turn on LED lights up, when activating power LED flashes and returns to standby. with sound of a mixer working	Kinescope (tube) shorted	Replace the same.	BARRETO CRUZ
PHILIPS	29PT554A/78R L9.1LAA	Doesn't start	Capacitor 2450 e 2551(47uf/160v)	Replace the same.	BARRETO CRUZ
PHILIPS	29PT554A/78R L9.1LAA	Does not turn on LED lights up, when activating power LED flashes and returns to standby. with sound of a mixer working	Kinescope (tube) shorted	Replace the same.
PHILIPS	29PT554A/78R L9.1LAA	Doesn't start	Capacitor 2450 e 2551(47uf/160v)	Replace the same.
PHILIPS	20GL1340 GR1 AL	No reception, just drizzle	0v on the vhf and uhf pins of the selector (without switching due to +12va being at 11v, and the power supply did not adjust	Trimpot r340 that adjusts the power supply open, oxidized, and also replace r195 of 10r for one of 4r7	jasvan souza
PHILIPS	20GL1340 GR1 AL	Retrace at the top, like the one caused by the 100mf c410, and without OSD in volume and selection	D410 bax14 shorted	Check d410	jasvan souza
PHILIPS	29PT-4640	Flashing image	Measuring the sreem it varies in voltage	Replace o fly back	Ademar / Videira s.c
PHILIPS	20PT3331/78	Disarming	D - 6445	Replace the same.	BARRETO CRUZ
PHILIPS	20PT4331/78	I'm here	Capacitor - 2444	Replace the same.	BARRETO CRUZ
PHILIPS	20PT3331/78	Vertical closed	Resistor 3448	Replace the same.	BARRETO CRUZ
PHILIPS	14GL1313	Doesn't start	C - 2346/2347(47uf/160v)	Replace the same.	BARRETO CRUZ
PHILIPS	14PT3131	Generates and cuts giving a vertical symptom	R3491 47k changed		Milton AT-RS
PHILIPS	20PT3336/78	TV turns on normally when it turns off it doesn't want to turn on again	Stand by transistor (7541) defective	Replace the same for another.	adriano SB
PHILIPS	32PFL3404/78R TPS2. 1L LA	Sem backlight	Ic 801 uba2071at with pin 22 short circuited with pin 17	Replace ic801 (uba2071at)	leitemarcellus
PHILIPS	29PT752A/78R A8	Dead	C-2618 (222 x 2kv) and fet-7680 (p16ne06). When changing c2618, when turning on the TV, when the image appeared it turned off as if it were a weak tube.	Swap c-2618 and fet-7680. obs. the fet is on the e61 board, east-west correction.	Tulio / Biguaçu SC This email address is being protected from spambots. You need JavaScript enabled to view it.
PHILIPS	21PT5433/78 LO3	Turns on and turns off for no apparent reason	The three bf423 of the tube plate touch directly		jose carlos fonseca
PHILIPS	29 PT4631	Normal image, normal sound, with a four-finger dark bar on the left side of the screen from top to bottom and characters pulled to the left!!!	The horizontal exciter circuit of these devices is carried out by a pair of transistors 7461 (bc337-25) and 7463 (bc325-25) in complementary symmetry. Replace these two transistors even if they are measuring as good, as they always show a lack of gain. note the "dash" 25 that corresponds to the hfe of the transistors. As a precaution, also replace the capacitor c2405 between the collector and emitter of the npn 7461 (bc337-25). capacitor c2455 is also critical, due to capacitive reactance at high frequency, so replace it. also check the polarizations of the fet 7400.		Perse
PHILIPS	29PT4631/78	TV works normally, then the image goes out and the screen goes completely black.	I replaced the two bc 7461(337) and 7462(327) and the two capacitors 2405(220mf 25v)2455(47mf 25v) change without testing.		ELETRÔNICA MELO BOA VIAGEM-CEARA
PHILIPS	21PT9467C/78	Vertical closed, just a stripe at the top of the screen	Diodo byw36, resistor o,68rx2w e flyback bsc29-3807f	After changing it, the TV returned to normal. Note: the byw36 must replace both and observe the flyback if there is a high voltage leak	HIPERELETRONICA SERVICE (MARCELO MARAIAL)
PHILIPS	21PT5435/78	Not working, just whistles from the power supply	Q7421=but11ax.	Replace for original to avoid return and the +b is 120v and not 95v.	HIPERELETRONICA SERVICE (MARCELO MARAIAL)