Philips Repair Tips

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Results: 14210

Make	Model	Symptom	Problem	Solution	By
PHILIPS	20PT222A L7L	Screen does not work correctly, retrace lists	R3341 100homs	Replace r3341 100homs	johnny busnadiego
PHILIPS	42PFL3403 LC8.2L-LA	After +/- 20 minutes screen goes black sound remains	Inverter transformer with cold welding.		ELETROFEPAR
PHILIPS	MCM595/19	Sound output short mosfet 18nq11t	Electrical overload led to burning,	As the 18nq11t mosfet didn't think so, it was replaced with the p14nf12fp and it works like a charm	luismar
PHILIPS	21PT9467 C/78 21PT9467 C/78	Vertical zipper with stripe at the bottom	Ci tda4865 aj	Is to replace	ozenildo alves da silva
PHILIPS	29PT4635	Vertical closed at the top	Resistor 3464 ,220r open		Gilberto
PHILIPS	20GL1044/78R	Vertical open but with thick lines throughout the image (venetian type)	Replace the resistor r 3415 in parallel with the vertical coil and remove the terminals from it and resolder the wire directly onto the board.		caio
PHILIPS	29PT4635	Vertical serrilhado	Chap. ceramic 0.22uf63v posicao 2409		Continental
PHILIPS	29PT4631/78R L01.1L	Turns on, then turns off by itself, then turns on by itself but turns off again	( c2455 (47µfx25v ) e ( q7461 (bc337 )	Replace the components mentioned, and it works normally again.	Eletrônica Heinz
PHILIPS	29PT 5642/78	TV buzzing fly back, TV has a strong buzzing sound on the fly back, burning resistor 3440, burning the transistor q 7406, and with overheating in the horizontal output, the screen appears closed horizontally, completely out of horizontal frequency sawtooth effect.	The fet transistor of the horizontal drive, the 7404 it works with an internal diode, the diode is shorted, the transistor is the si 2306 ds	Replace the 7404 transistor, the problem is that you can't find it to buy anywhere	Eletrônica do Ricardo
PHILIPS	21PT5437	No video just characters	Resistor r3442 (100k) aberto	This email address is being protected from spambots. You need JavaScript enabled to view it.	Bruno Nicacio
PHILIPS	29PT5642	Device inoperative, power supply does not start.	9v1 zener diode 6573 with leakage. (almost in short circuit)	9v1 zener diode 6573 replacement.	wagguinho
PHILIPS	29PT4640	Television inoperative (horizontal does not start) normal power supplys reacts to the remote control, but does not work.	6462 9v1 zener diode leaking (almost short-circuited) replace it.	Replace d6462 zener diode 9v1.	wagguinho
PHILIPS	32PD6932/78R	TV doesn't turn on, only the standby light comes on	Transitor 7461,7463 aberto bc337,bc327		Gilberto
PHILIPS	21PT434A	The TV just stays on standby and when you turn it on it flashes 4 times and goes back to standby again	In this case, what I caught was simply an unusual occurrence. The TV had already been screwed by someone else and the technician's horse left a bridge connecting the horizontal driver with a clue of ours that it was hard to find out, see, just find out because I went to measure the impendances of the drive and it was going directly to all the pins	Just remove the bridge and it works fine	This email address is being protected from spambots. You need JavaScript enabled to view it.
PHILIPS	PT4635/78R	Horizontal burning	After changing bc 337/25(7461), 327/25(7463), cap 2455, I changed the drive transformer (5461) and bingo!	Trafo do drive(5461)	audio e video
PHILIPS	20PT3331/78R	Power supply gave a peak and went into protection, going into protection	I found a lack of 12v power supply that is generated from the flyback to the vertical output, r3445 on pin 8 of the flyback open.		Alvanyr This email address is being protected from spambots. You need JavaScript enabled to view it.
PHILIPS	21PT5433/78R	How to test the vertical	The vertical one has two transistors, they are called married one npn another pnp the collector of the npn has 20v +b the npn has 12v -b in the middle of the two transistors we have to have 0v you can measure it on the connector itself that goes to the deflector coil if one appears voltage, the vertical circuit is defective and it could be the transistors, some component around them connected to them or the IC does everything that is not providing the sawtooth etc.		Miltom eletronica micro e epron
PHILIPS	21PT5433/78R	The TV doesn't turn on, there are several methods to analyze, in the case of the Philips it has two pre-transistors	How to measure the voltage in both, first-7423pnp is connected to the driver transformer the collector has -b 8v, the b 5.2v +b the emitter 5.5v +b this means that the transistor is poralized correctly, remember this measurement is with the TV on the 7422 is connected to each other the b receives the signal coming from the ic does everything, voltage on the collector 3.2v base 0v this transistor is poralized with the sawtooth signal. now the measurements in standy bay, 7423 c 0v -b emitter 10v +b base 10v +b means that now the transistor is cut off the output voltage on the 7423 collector is 2v signal with the TV on, with the TV in standy bay we will not have the 2v signal		Miltom eletronica micro e epron
PHILIPS	20PT3336		Vertical closed from the middle up, when opened it folded at the top	Ver capacitor 57k c2460
PHILIPS	29PT4635	Closing horizontally, heating the bu4508 and turning it off	C2455/47uf changed	Replace the same	aelson