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Sanyo Mod. DP65E34 Have black screen with back ground shadow, no audio and no back lights seen through vent. What part causes this failure?

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  • 209 Answers

Most likely backlight driver board. Plus check led's with tester when possible.

Posted on Apr 23, 2019

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6ya6ya
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Posted on Jan 02, 2017

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jmgldsmth
  • 2005 Answers

SOURCE: Light shadows on Sanyo HD screen

check you cold cathodes they are going out

Posted on May 28, 2009

eugbug
  • 479 Answers

SOURCE: Hedge trimmer , mod.040090D 40350. Won,t start.. I pulled the plug, grounded the plug body, a spark should be seen at the plug gap., but instead a spark is seen from the plug body to ground, what wo

You will see a spark jump from the plug body to ground if it isn't tightly grounded to the engine. However a spark should also jump the gap in the plug at the same time. It can be difficult to check a plug this way because it tends to bounce around the place when pull starting the engine. You could try getting a bit of wire and clipping on end to the exhaust or fin on the engine with a crocodile clip, clothes peg or vice grips. The other end of the wire could be wrapped around the threads of the plug and held with a clip.

Fore more tips on starting a hedge trimmer see:

http://fixofile.host56.com/tips2.html#tip2

Posted on Nov 24, 2011

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1 Answer

I have a Sanyo DP50843 it has back light and sound but no video at all I tried a new digital main board but is still the same ?


There are a couple of things that could cause this.
First you could have a failure in the power supply, we have seen some capacitors fail in your model and cause funky problems like this. If this is the case you could be looking at somewhere around $175-$200 to fix the set. IF the power supply had to be replaced you could be looking at $250-300



Mar 16, 2017 | Sanyo Televison & Video

1 Answer

Picture goes black with gray fuzzy lines ~ 1/2" apart horizontal.


If your LCD TV or monitor has stopped working, or is displaying one of the following
symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can
examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life
of your monitor or TV by several years.
Take it to a repair shop.

Apr 05, 2014 | Sanyo DP50749 50 in. Plasma TV

1 Answer

Pkg-rse2 screen is dim and can't see it


LCD is not affected by cold. This sounds like it is the backlight or the inverter that runs the back light. The back light causes the lcd to be able to be seen.

Mar 24, 2014 | Alpine PKG-RSE2 Car DVD Player

1 Answer

Sanyo 47 inch black shadows


tried to reseat the connectors going to the t-con board.

May 07, 2013 | Televison & Video

1 Answer

Dp46849 Screen goes black after 10-15 minutes


This info was given to me by a HAM Radio friend that repairs TV's For a Living.
Disassemble TV, clean all boards from dust, unplug/replug all connectors,
most are really small, be careful, try TV again. Out Same Model TV started off the same, RIGHT bottom of screen/shadow when TV was on for awhile, since then has got worst, like 2 shadow boxes showed up, now upon startup, TV is screen is covered w/vertical lines, shut off the TV once or twice and works fine until next startup. If the above does not fix TV, look at the top of TV from Back Panel Off, Top-Center is a board called T-Con board, replace it. All the info for this board replacement is on the Bar-Code Laabel and Board itself, ie; T370HW02 VC CNTRL BD, 37T04-COG, FX-5546T03C22 (orC21)-964-0000NMP-00629-03 this board is Mgr By AU Optronics. GoTo For Parts/Pricing, they have 180 warranty on parts, aprox $45.00 for T-Con . http://www.shopjimmy.com/auo-55-46t03-c22-t-con-board.htm. He stated It IS Very Rare That The LCD Screen Itself Would Be The Problem. Right now I have Our Sanyo DP46849 apart
laying down on a bed, had to remove Base Pedestal to remove back cover,
There is a smaller cover, 2 screws u can remove to gain access to the turner board and power supply, there are 2 more boards hidden, before u remove back cover from front panel, untape wire leads from back of LCD Screen and unsnap the 2 torrid coils, black plastic things wires going through, these torrid/ferrit coils are mounted on a snap-in base, w/very small screwdriver they will unsnap from plastic base in 4 corners, if the base breaks from panel frame, just hot reglue back in place when are repairs are final. The 2 panels will seperate eaisly, if not you have some maore screws left to remove. Our TV was little dusty inside on the power supply board and alot of dust collected on some big transistors, 3 lead/legs, I'am hoping this caused the power problem @ start-up, going to clean all bard then reconnect all leads/cable, ect and retry, If no work will replace the T-Con board. Hope This Help's All

Dec 05, 2011 | Sanyo DP46849 46 in. HDTV

1 Answer

Today 12/16/2010 my HDTV 42 in plasma model 42px12x.41. made a "popping" sound in the back of the screen and the screen went black,( yet there is still sound and a couple of green and red light...


PLASMA TVS DONT HAVE INVERTER CIRCUITS. YOU MOST LIKELY HAVE A Y-SUSTAIN BOARD FAILURE. IT IS THE BOARD TO THE LEFT LOOKING FROM THE BACK. THE LARGE ALUMINUM HEAT SINK LOCATED ON THE BOARD AND THE PART SCREWED TO IT WILL BE THE DEFECTIVE PART.

Dec 17, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

I have a 1 year old sanyo 42" lcd tv, model DP42849, The tv was running perfect till one day watching a movie, the screen went black and audio went all strange, i shut it off and on, and nothing, the power...


You need to find out if the power supply is putting out 24vdc for the backlight inverter board, it can be that the inverter board has short circuits which will cause the 24vdc to go into shutdown to protect itself, you can disconnect the power cables to the inverter board to see if you will get the 24vdc back.

Aug 05, 2010 | Sanyo DP42849 42 in. HDTV

1 Answer

Have a Sanyo Plasma TV DP50747 and both picture and sound all of a suden went. I turned it on from the remote and the green power light goes on, but no picture or sound and the power light goes off again...


Hello,

Yep. The power supply in Sanyo Plasmas are generally prone to failures. It could be a failure in the panel not priming, but I doubt it. Turn the lights off in the room, then try to turn it on. If you see the screen faintly flash, the panel is priming, but it is not coming on. If the screen is lit, but is still "black," then it is a control or digital board. If it is totally black with no light at all, then it doesn't entirely rule out the first two, but makes a power supply failure more likely.

They usually have a lot of heat damage to them. If you have tried unplugging it for 15 minutes, then plugging it back in and it still doesn't work, the it is most likely a secondary in the power supply.

I hope this helps you...

Jan 10, 2009 | Sanyo PDP-42H2A 42 in. Plasma Television

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