Question about Philips 20PT643R 20" TV

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Philips 21PT3832/71R The unit has picture with no sound but later on it is completely dead.

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 change your option code

Posted on Sep 07, 2008

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No sound, no picture. tried unplugging and plugging back in...same problem. the green power light just keeps blinking 14 times over and over again. tv is around 11 yrs old...philips magnavox 32" smart...


check your h-out transistor, in high voltage area, capacitors and resistors, need reservicing and resoldering....hope you can do it, or check out with qualified tech

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Sony trinitron kv-36fv26 (2000) tv wont show picture


Trires unplug,replug about an hour later see if it reset it self.Not take to the shop the two power ICs help the power it dead.Need it replaced.

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Philips power green blinks and no picture


There is a install kit 483531057673 for this model when the set is dead. The kit will contain 7404 and the Horizontal Driver Transformer 5402 along with resistors that will limit stress on 7404 and includes complete instructions.

Jul 07, 2008 | Philips 27PT6441 27" TV

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There is a install kit 483531057673 for this model when the set is dead. The kit will contain 7404 and the Horizontal Driver Transformer 5402 along with resistors that will limit stress on 7404 and includes complete instructions.

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There is a install kit 483531057673 for this model when the set is dead. The kit will contain 7404 and the Horizontal Driver Transformer 5402 along with resistors that will limit stress on 7404 and includes complete instructions.

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There is a install kit 483531057673 for this model when the set is dead. The kit will contain 7404 and the Horizontal Driver Transformer 5402 along with resistors that will limit stress on 7404 and includes complete instructions

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1 Answer

Dead unit


your problem is that your output is less than normal

first you isolate h/output from power supply if it comes to normal(115V).

then problem in h/output stage

for that you check

h/output,cap & diode in flyback section & flyback transformer.

but power output is still 50v then problem in power supply for that check oscillator ckt & switching output.

good luck.

Oct 17, 2007 | Philips 27PT543S 27" TV

3 Answers

Dead Philips 32PW9545 TV


the problem is in the power supply or related circuit.call a tech to look at your set.it should not be expensive to fix maybe between $40.00 to $100.00 good luck

Apr 23, 2007 | Philips 28PW6506 28" TV

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