Question about Panasonic Viera TH-50PZ80U Plasma TV

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The power light comes on but the tv will not turn on

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  • Panasonic Master
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Possible fault in the main board as it has errors. Check the main voltages from the SMPS to the mainboard,if any are absent check for the fusible link.
If the power seems Ok then trace to the microprocessor and control to see if this section works and triggers the drives.
If so the drives / processing section can be faulty.

Posted on Sep 27, 2010

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Posted on Jan 02, 2017

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I have a 56 in hdtv Panasonic tv will not come on green light flashes 20 times then goes to red. Help, on disability fixed income & cant afford to get repair or new tv. Please help, as soon as poss


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Nov 06, 2015 | Panasonic Televison & Video

1 Answer

Can't turn tv on at all


Hey Deon, this is very broad and could be several reasons. First off is there power to the tv? Usually tv's, even when they are off, have a light on the power button on the tv panel. Forget the remote for now and push the power button on the tv panel. Does any light come on? If there is no light at all then it has something to do with power. Check your outlet and see if there is coming through there. Could a be a fuse. If there is power through the outlet but no power on tv means something wrong with the AC on the tv. You should then contact tv repair or send it in under warranty. Read no further if light does not come on.
If a light comes on then try changing channels by pressing buttons on the tv panel. Secondly, try changing the input. It could be possible that it is on a different input and therefore, seems like it does not turn on. At the same time turn up the volume (all from the tv panel) to see if any sound comes out. If there is sound and still no video then try to change the contrast and brightness through the settings on the tv. If you see no menu then probably the lcd panel might be gone. Then you need to contact manufacture/ tv repair shop or send it in under warranty.

Oct 23, 2013 | Emerson Televison & Video

1 Answer

Lighting ran in on my lg47lg50 tv now the red power light is on but the tv wont come on


The power board is cooked. consider another tv.. Consider using surge protection in future.

Apr 01, 2013 | Televison & Video

1 Answer

LCD TV is hooked thru cable box. When you use the


Try this (may not work):

1. UNPLUG power from TV at wall outlet.
2. Turn ON the TV (with no power cable plugged in).
3. Plug power cable back in (at wall outlet)
4. Turn ON TV (don't use remote this time).

Hope this works!

Sep 03, 2009 | Televison & Video

4 Answers

Tv tunrns on then goes to stand by flashes 4 times & repeats


turn tv on picture comes up 2to3 seconds later tv blacks out then stand by red light flashes 4 times in a row repeatedly..can not turn on or off when stand by light starts flashing but before tv blacks out you can turn tv on and off repeatedly and picture and sound work.You have to unplug power cord for 30 seconds after stand by light comes on to get tv to turn on.

Mar 13, 2009 | Sony BRAVIA KDL-32S2000 32 in. LCD HDTV

1 Answer

I cant get the tv to come on it has power


You have a bad power supply (AC adapter). Watch closely at the red light while turning tv on to see if red light momentarily flashes green, then back to red.

Dec 15, 2008 | Proscan 19LA25Q 19 in. LCD Television

2 Answers

Help!


1. Hold on TV and POWER simultaneously (light comes on), let go

2. Press POWER then CH+ back and forth (light comes on), when TV turns off

3. press STOP, code is saved!

May 03, 2008 | RCA RCR412C Remote Control

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