Question about Sanyo DP42746 42 in. Plasma Television

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Have a Model No: DP42746 TV will not turn on nothing lighting up have electric at outlet owned for about 3 years

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  • Sanyo Master
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Tries unplug,replug tv it back about hour later.The tv will reset itself back to factory.See if it work than.Not the power supply board,it dead.That the board,where the power a/c cord plug in to it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Aug 21, 2010

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Cant change from av to any input


First try a simple "reset":

1) Turn TV off. Unplug all TV inputs, and the AC plug from wall. Wait 5 minutes (I mean it, a full 5 minutes!).
2) Connect your normal TV source (cable or satellite) ONLY, then plug in and turn on the TV.
3) You may need to press the RESET key twice after connecting the signal and turning on the DTV to restore some functionality.

Now plug in ONE A/V component at a time to test. You can also try replacing any A/V cables (RCA red/yellow/white, HDMI, etc.), as cables do occasionally go bad.

Make sure TV is "tuned" to channel 3 before pressing the "input" button on remote control This is easiest done with the actual channel up/down buttons on the front of the television itself, or possibly by pressing 03 (or 03, Enter) on the remote control.

You may find that only one A/V input is bad (ex, VIDEO 1 port), while others work.. or they may all be bad.

If other functions of remote control are working (but "input" button still does nothing), could simply be a bad remote. Try eBay for a cheap replacement.

If there is not a manual "input" button on the TV itself (I think not for this particular model), and you still can't change AV input, you are probably out of luck. I recommend read included instruction manual carefully, then contact the manufacturer if needed. Instruction manual may be viewed at:
http://www.manualslib.com/manual/599522/Sanyo-Dp42746.html#manual

Do not attempt to disassemble TV. There are no user-serviceable parts inside, and even an unplugged TV can retain enough electricity (in capacitors, etc.) to seriously hurt a non-trained human. This TV is probably ~ 9 years old; parts are available (eBay, etc), but may not be worth fixing considering huge price drops on new TVs available now.

Mar 07, 2014 | Sanyo DP42746 42 in. Plasma Television

1 Answer

Tv will not switch on


have a sanyo dp42746 will not turn on . green light on back off set flashing 12 times but tv. will not turn on

Dec 28, 2012 | Televison & Video

1 Answer

My Pioneer Elite PRO-111FD just shut off on it's own, and now won't turn back on. No green or red indicator light... nothing. Any suggestions?


Check your power source (electrical outlet) and the power cable. If electrical outlet is ok, try using a different power cable (the cable that you plug on to the electrical outlet going to your TV set). If everything is ok but still no indicator light, call your technician there might be a problem with the TV power supply.

Sep 08, 2010 | Pioneer Elite PRO-111FD 50 in. Plasma TV

1 Answer

Philips TV model 34PW9815/17 the LED on the front of the unit turns green when first plugged into electrical outlet, and then immediately starts to flash red. nothing on the unit works and it doesnt...


Philips TV model 34PW9815 the LED on the front of the unit turns green when first plugged into electrical outlet, and then immediately starts to flash red. nothing on the unit works and it doesnt respond to controls either on the set or the remote

May 12, 2010 | Philips 32PT81S 32" TV

1 Answer

Tv turned on for 3 sec. and then turns off


this is an easy one for me. you have bad capacitors on your power board. i have fixed this a few times and it isnt a big problem but it does need to be sent in or if you dont have a warranty and want to fix it yourself with a little know how you can reclaim your tv, but only if you are confident you know what you are doing

Aug 13, 2017 | Televison & Video

1 Answer

Sanyo DP42746.Can't get tv to come on. The green power LED is on.


unplug the power connector to the tv, wait two minutes then plug it back in and try to turn on the set... this worked for me.

Dec 20, 2009 | Sanyo DP42746 42 in. Plasma Television

3 Answers

Black screen of death - DP42746


I am a military spouse and our same tv did the same thing on Super Bowl Sunday 2009! We did everything we know to do: call the company, called the repair man, etc. There apparently isn't a solution to this that wouldn't cost more than the tv is worth. So I got an attorney to start a class action:

If you would like to be compensated for your TV please contact me @

Danimimozi@gmail.com


There are no fees or anything to do so.

Jun 05, 2009 | Sanyo DP42746 42 in. Plasma Television

2 Answers

Sanyo 50 inch plamsa just quit!


the power supply of the tv is too sensitive. you need to have a good spike guard for this.

Jan 10, 2009 | Sanyo DP42746 42 in. Plasma Television

2 Answers

No sound and black screen


lets get together, start a list of names and sue companies selling crappy wares at way too high prices! email saryejade@aol.com

Nov 09, 2008 | Sanyo DP42746 42 in. Plasma Television

1 Answer

I have mitsubishi tv model wt-42315 about 8 months old and would not turn on with remote or manual no homing sound when connected to a different electrical outlet nothing the red lite on the front panel...


If your TV is less than a year old, I would suggest to call the manufacturers and ask them for an authorized repair center near you to fix it under warranty.

Apr 29, 2008 | Televison & Video

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