Question about Sanyo Televison & Video

1 Answer

The television was working and was shut off. It was turned back on and no picture just sound. The screen is black and I do not know what happened. Sanyo model #DP26648

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Master
  • 11,361 Answers

Unplug it for about an hour to let it reset itself, if it is still does not work, then you need to do some troubleshooting.
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there are some troubleshoot you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx

Posted on Aug 05, 2010

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Tv turns on with sound, black screen and then turns off


Most likely failing capacitor see this thread, http://www.fixya.com/search/p153336-mitsubishi_wd_62525_62_in_rear/common_capacitor_fail_tv Maybe a electronics reapir person...

Apr 08, 2014 | Mitsubishi WD-62825 62" Rear Projection...

1 Answer

TAKES 45 MINUTES TO COME ON


Evidently there is an internal power supply problem.

Nov 12, 2013 | Televison & Video

1 Answer

We 0wn a x2gen model # MV32R1106100092 115-v 240v 9c 2.5A 60/50H2 We loose picture ,but voise stays on , then we need to turn back on , happens repededly


Hi,

May I know if the picture turns black or the screen illuminate(backlight is on) without the picture with sound? It will help diagnose where the fault came from.

Jdvillanueva

Jul 18, 2011 | X2Gen MV32R LCD TV

2 Answers

No picture but there is sound


think I may finally have the answer for the "black screen of death" for the 42" Polaroid LCD televisions. I was having the same issue with the screen going black after a couple minutes of being on. I would shut it down then turn it back on and it would work again for 5-10 minutes. On the "power board" which is the board on top, there is a little red light that turns on when the screen would go black. above that there are 4 little switches, the lower on says BURN. I simply switched that over and the television has been working for 2 days for 8 hours + each day. Hope this help. Let me know

Feb 10, 2011 | Polaroid 4241-TLXB 42 in. LCD Television

1 Answer

How to reset tv. Have sound but black screen


LCD's use a colorful crystal see through display which only visible when light is shining through it. if you have sound and no picture it's always a faulty PSU. Very easy to change out actually.

Mar 27, 2010 | Vizio GV42L 42 in. LCD Television

1 Answer

Black square on one channel


that's a picture inside a picture option, and it sounds like the inside picture is set for a blank channel...just go to the menu, and shut off the picture in a picture option..should do the trick..

and keep the kids away from the machine

May 24, 2008 | Insignia IS-LCDTV32 32 in. Television

2 Answers

Tv screen goes black


No, if the picture of your tv screen is clear when when you watching. the troble of your tv is looseboard, and you replace your CRT socket too.

Apr 16, 2008 | Sony KV-35V35 TV

1 Answer

Mitsubishi Projection TV. Works for a couple of hours and then the picture shuts off


Very often older Mits CRT's develope a slow leak of coolant
onto one of the circuit boards....various problems arise,depends
on where the drip lands....even a good tech can miss the drip
evidence.....I have pulled the chassis to the shop only to find
"wet" area under well-lit conditions.................T.

Nov 06, 2007 | Mitsubishi VS-50605 50" Rear Projection...

2 Answers

SAMSUNG PICTURE FREEZE (LOOKS BLACK&WHITE)


I have the same problem... It turns B&W
I can still hear the sound... however I can still turn the tv off when that happens

Aug 28, 2007 | Samsung HLN617W 61" Rear Projection HDTV

Not finding what you are looking for?
Televison & Video Logo

Related Topics:

119 people viewed this question

Ask a Question

Usually answered in minutes!

Top Sanyo Televison & Video Experts

The Knight
The Knight

Level 3 Expert

74243 Answers

 Grubhead
Grubhead

Level 3 Expert

5126 Answers

Jerry Greenberg
Jerry Greenberg

Level 3 Expert

1667 Answers

Are you a Sanyo Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...