Question about Panasonic CT-34WX15 34" TV

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I have a Panasonic TV Model number CT-34WX15N. When I turn on the power switch i acts like it is coming on, I hear relays clicking, but it switches off and the front LED flashes 5 times. I determined through a search that this indicates a problem with the IC 4011. How do I identify which chip needs replacing? Is there more than one 4011 chip in this TV? And what exactly is the function of the chip? I plan on fixing this myself hopefully, but I have limited knowledge of TV's. Thanks in advance.

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Posted on Jan 02, 2017

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Orbixx
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SOURCE: panasonic ct-36hl43 tv

This is usually down to a safety feature cutting out the Television from harming itself. Or quite possibly a fault that make it turn itself off - it may well be thinking it's receiving the command to turn itself off. Either way, it's impossible to find out without opening it up. A professional repair is the only way, check up on your warranty. You may want to plug it into a different power source, just on the off-chance that it may solve your problem - but don't get your hopes up.

Posted on Sep 07, 2007

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SOURCE: panasonic tv ct-32hxc14j

try to reheat or resolder your tv.

Posted on Oct 23, 2007

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SOURCE: Main fuse blown on CT-32G11 32" Panasonic TV, Replacement fuses continue to blow.

If the main fuse keeps blowing, check the horizontal output transistor for a shorted condition and diodes in that section as well.

Posted on Jan 16, 2008

  • 1 Answer

SOURCE: panasonic CT-32SL14 flat screen tv stopped working

We played Wii sports and fit for few hours than tv started to flicker and change colors to green and black and white. We shut down Wii and not TV screen doesn't show any picture. The power is there and the sound... but the screen is just blue. Any one experienced anything similar?

Posted on Jul 05, 2008

jeffreyirish
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SOURCE: TV on getting switched on

You will need to remove the back of the TV. Don't worry, it's not that bad.

There are 4 screws across the top, one on each side on the bottom, one right next to where the power cord goes into the back of the case, and the two more by all of the video connections **These are the most important to remove because they attach the main board to the back of the case.

Once you have remove the screws then the entire back of the set will slide off. If you look where the power cord attaches to the board you will see a small fuse. This is a 6.3 Amp 125 volt fuse. You can replace it with a 6.3 Amp 250 volt fuse from your local Radio Shack. A four pack costs between $3 and $5.

Make sure that you check that it works before putting it all back together. Check for any loose connection cables while you're back there. I found a few when I did this.

Good luck!

Posted on Jun 18, 2009

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1 Answer

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1 Answer

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1 Answer

Wont turn on


Hello zang,

 

This denotes a problem with the switching power supply or the high voltage power supply. what is happening is the safety relay is being actuated by the shutdown circuit. Any number of things can cause this proble but more then likely the problem is in the high voltage power supply section and or its associative circuitry. The switching power supply and the high voltages power supply have very dangerous voltages and I would not suggest that you work on the TV set unless you do have a background in electronics. If you do not I would suggest that you take the TV set to an electronics shop for repairs. If you do have a background in electronics, you will need the following items:

 

1) A schematic diagram (to know where voltage and signal test points are located and to have a reference of the levels.

 

2) A multimeter (to measure the DC voltage levels on the TV Set)

 

3) An oscilloscope (to measuer the AC voltage and signal levels in the TV set and compair them to the values in the schematic)

 

4) A signal generator (to generate a reference signal for troubleshooting)

 

I hope this helps,

 

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