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check for an open resistor on the power supply, it is actually a fusible resistor, (white) if open, then check the converter, some sets have two separate and some have it as one. it will be on a heat sink on the power supply. if shorted then check for a shorted horizontal output transistor and repair cold solder joints on the horizintal drive transformer which is the real cause of this problem
Hello there, I'm having a major problem with my TV, I have called all
of the local TV repair shops and they all are the same, they want money
money money before they will even speak with me about the problem I'm
having. This is the only TV in my entire household for a family of 4
and we desperately need the TV in working condition for our kids. I
don't want to have to put out $500 for another set if I don't
absolutely have to.
About 3-4 months ago the TV when turned on, the picture would slowly
come into view and be very scrambled and before the picture would come
into complete view the TV power would shut itself off, but the power
light would remain on. You can hear the "Click" noise when it would
shut itself off.
2-3 seconds after it 'shut itself off' then the TV would make the
"Click" noise (The same noise it makes when you first turn it on), it
would make the "Click" noise over and over and over again but nothing
would happen. So i would turn it off and on again and change the
channel rapidly until after 2-3 minutes it would come into view and
So we decided to leave the TV on 24 hours a day. Then today we awoke
and it was off and making the "clicking" noise over and over and over
again but with no picture or sound. Now it wont even turn on/off it
just sits there and goes "Click, Click Click Click" and doesn't do
I described the problem as best as I can. Here is the TV information and specifications...
Philips 27 Inch Tube TV
Model Number... 27PT54 3S37A
Serial Number... 78438404
Date Code March 2003
Now that I typed the model number there are threads everywhere people
saying the same issue exactly as me, I will read them but please
someone tell me is there anything I can do...
Can anyone explain exactly what is wrong with the Tv and why it's doing this?
Also, what should I expect to pay to repair it?
Any information or help would be appreciated very much.
Thanks in advance,
Just got off the phone with certified Philips shop...they said they
will repair it for $100-$130 with a $25 down payment just drop it off
and he will call me when its done. Does this sound like its worth it or
a rip off?
hello. it sound's like you have a picture tube that is shorting out from a something arking in side of your set.!!! eather on the (CTR PIN COUSHION).!!! OR ON THS CHASSIE.!!! THAT WHAT MAKING IT DO THAT.!!! TIME TO GET A NEW SET.!!! HOPE THIS HELP'S YOU.!!! "GOOD LUCK"
Clicks and turns off after turning on set when cold. Have to turn on
and off several times to work, or keep changing channels, right side of
screen is black for a while.
PROBLEM: It is almost always a bad transistor and a bad capacitor. (about $0.70 in parts)
This repair is fairly straightforward. You will need a soldering iron,
a solder ******, and a small torx bit. Unplug the set. Lay the TV on
the floor, screen down. Remove the torx screws holding the rear cover
on. There should be 10, (don’t forget the 2 by the input panel). You
will see 2 circuit boards, the one of interest is the large one near
the bottom of the set. This board has a retainer clip on each side that
needs to be pulled out to allow the circuit board to slide out. Slide
the board out about 5-6 inches. You might need to support the board so
it doesn’t slide back down into the TV set. This circuit board should
have numbers by each of the components. You want to look for 7461
(transistor) and 2455 (capacitor). They are located right next to each
other near the center of the board. The transistor will usually
overheat and discolor the circuit board immediately around it. Warm up
the soldering iron and get the solder ****** ready. Heat up the solder
joint while removing excess solder with the ******. Once the transistor
and capacitor are free, check the numbers on each. The capacitor (round
cylinder) should have “47uf” on it. The transistor should have “C33725”
on it. You can order these parts from Digi-Key (google it) for about
$2.50 including shipping if you use USPS option. The part numbers are:
493-1060-ND for the capacitor and BC33725-ND for the transistor. Once
you get your parts, solder them in and check TV operation. It should
work as it did before. This
repair can be done by anyone familiar with a soldering iron in about
30-45 minutes their first time. Good Luck!! -Courtesy of jack of all trades on howtomendit.com.
TV worked FINE for the past 2 yrs---this morning we woke up and the screen is totally BLACK! No sound..nothing. REmote doesn't do anything to the TV. Red light says ON unless we unplug it. Remote won't turn off the TV.
Any advise? Picture tube??
Worked great w/out any problems until we woke up today!
It looks like that your TV is overheating. Most of the TV's have a fail safe so if any case they are over heating it will shut off so it doesn't damage the TV. i would advise that you seek help of a professional in your area.