Question about Sanyo PDP-42H2W 42 in. HD-Ready Plasma Television

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Sanyo Sucks re DP50474 PLASMA

No picture or sound, called Sanyo, and waited on the phone for almost an hour to just get the runaround !

Never will buy Sanyo again!

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Call back and ask for a supervisor. I had the same problem and they are replacing the boards in my TV but I have to pay the labor. Insist on speaking with a supervisor.

Posted on Jan 13, 2009

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Explain the flashing red lights for Panasonic plasma tv repair. what if I have no lights and no picture or sound


Panasonic Customer Phone Number Shortest Wait Best Support

800-211-7262
CALL CUSTOMER SERVICE AT THE PHONE NUMBER ABOVE.
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How o I get the phone num to call sanyo manufacturing,corp I need to talkto them about this tv


This phone number was voted the best way to contact Sanyo out of all phone numbers

Sep 10, 2014 | Televison & Video

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Sanyo DP42740 plasma tv went out after a power surge caused by a thunderstorm. Now when I plug it in a small relais (I think) on the main board is clicking but tv won't come on. What is wrong?


I would not agree that Sanyo's support sucks based solely on the fact that they refuse to give you technical details.

if you need the schematics I can probably find them for you, but I bet you this is not the only thing you will ask for.

Supporting others is what really sucks because the reward for helping someone is having another 10 people coming for help.

And basically one of a 100 will consider paying for what they receive in return.

Consider this: a power surge may have hit the power, but may have also struck through the data cable.

The TV could have one or both of its main boards defective - the power board and/or the main board.

You start by making sure the power board produces all the voltages it is supposed to produce and if it isn't then you know you have a problem there.

As you may have seen this is actually a Panasonic power board and if you're in the industry (or if you do some research) you'll find that power boards are the Panasonic's weak spot just as Y-SUS boards are known to be bad in many LG plasma TVs and buffer boards are known to be the culprit of many Samsung TVs.

Long story short, I'd test every power transistor on that board for a shortage and I'd try to manually power it up to see where it fails.

There are usually 3 stages of activating a plasma power supply: 1) standby voltage (front LED present; always on); 2) main board and amplifier power (PS_ON); and 3) display sustain power (VS_ON).

If all that sounds too complicated then what you need is to go eBay and buy the cheapest board 1AV4U20C52300 that you can find.

Before doing so, though, make sure that's the same board you have in your TV.

Sanyo releases completely different models under the same model identifier and DP42740 may not even be a plasma at all depending on the chasis.

Hope this helps...if it sucks I guess I can at least consider myself Sanyo support level :-)

Bobby @
www.coppelltvrepair.com

Aug 24, 2012 | Televison & Video

1 Answer

Sanyo 50" plasma flatscreen, hdtv


Picture frozen on one picture for some channels and blank on others. Sound is on. What could this be? We have a 50" Sanyo. HELP!

Apr 13, 2011 | Sanyo DP32746 32 in. LCD Television

1 Answer

I heard a pop sound from the back of the tv and then no picture but still had sound


You know this is pretty damn strange everyone is having this problem with this Plasma TV right around the same time... When I purchased mine it stated that it had 20,000 hours of life to it... Also, I purchased the extended warranty plan for and the company that supplied the warranty went out of business so now, I have a bad TV and was screwed out of more money buying the extended warranty
VIZIO SUCKS!!!!!!

Jul 02, 2010 | Vizio VP322 32 in. Plasma TV

1 Answer

I have a sanyo DP42746 42in. Plasma. NO picture no sound.


EVERY brand has failures.

This is why I recommend buying the extended warranty. The repair would cost about $300-400. It is most likely the power supply, you could replace it yourself, but the parts are very hard to find.




Aug 22, 2009 | Sanyo DP42746 42 in. Plasma Television

1 Answer

Dear Support, This is about a 42'' Sanyo plasma HDTV model no: DP42746. It's my mom's, and at ''84'' it's her window to the world. So it needs to get fixed, please help! It was working fine, then all...


Hi Ed,

The only thing you can try is leaving the TV unplugged for an hour so the TV can discharge and reset itself.

If this doesn't work, then we're talking about maybe a power supply board problem for the screen itself. Most manufactures call it a Blacklight Inverter Board. I would use the warranty for the TV if there is any. The TV repair shop maybe expensive for this type of repair. So, get a price quote first. That way you can decide if is easier and cheaper to buy a new TV for her.

Aug 10, 2009 | Sanyo Televison & Video

2 Answers

DP42746 Sanyo 42'' Plasma TV-CLASS ACTION STARTED


Sorry you wont get any help from Sanyo or Wallmart. Buy another TV repair people will take your money.

Jun 23, 2009 | Sanyo DP42746 42 in. Plasma Television

2 Answers

LG PLASMA TV SUCKS...loud popping sound...and its gone


I agree do not buy LG I have had a horrible time with this bad bad bad company. I have a 90 day old what they call a $3000 60" plasma thant has been broke now a month, with all kinds of idiots who cant seem to fix it. LG wont help keep send more fools out to "FIX IT" which never seems to happen. I mean this was not a walmart special tv it was their top of the line plasma flagship lg60pk950. Customer service is a joke, wait times are on the average of 30-60 minutes when you call and they lie to you. Everytime you call you get a different story. RUN as fast as you can away from any LG product

Apr 23, 2009 | LG RU-42PX10 42 in. HD-Ready Plasma...

4 Answers

Ysus board number for a sanyo 50'' plasma model dp50747


This is a Sanyo Vizon 50" plasma the model number is DP50747 .. hope this helps the website for this product is www.sanyoctv.com and the phone number is 1-800-877-5032

Mar 16, 2009 | Sanyo DP50747 50 in. Plasma TV

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