Question about Sanyo DP32746 32 in. LCD Television

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I have no picture on my Sanyo Dp32746 LCD tv, the audio works fine. I replaced the backlight inverter board, but still no picture. Tried the reset button on the remote, can not see the main menu to try to adjust brightness, any ideas? Thanks, Glen Raisor.

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U replaced the 1 or 2 LCD inverter long boards,still the same problems.Sorry,this is a rare problems,but it seem the Tuner board is the problems.Replaced the Tuner board,will solved this problems.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner signal board for the replacement.

Posted on Oct 08, 2010

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2 Answers

Screen blank but sound ok


This problems the two long circuit boards called the inverter board is dead.These two long inverter boards give ur tv a screen light called a backlight that where ur tv getting it light for the tv images.Take ur tv a parts and replaced these two long inverter boards.U will get ur tv picture back.Tries websites like Shopjimmy.com,Ebay.com to buy those two long refurbish inverter boards for the replacement.

Aug 28, 2013 | Sanyo 42 in. LCD TV

1 Answer

I replaced the backlight inverter board on my 32 in. LCD Sanyo model Dp32746, but I still have no video. The audio works fine and from time to time it looks like you see a faint image on the screen. I...


Did you chaeck first to find out if the power supply is putting out 24vdc for the inverter board, and also if the inverter is getting the backlight_on signal from the main board.
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

Failed TV and Monitors: 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 he can make you a set of caps

Oct 08, 2010 | Sanyo DP32746 32 in. LCD Television

3 Answers

My Screen Went Black and i can only hear Audio.


Ur tv the LCD inverter board it dead.This board it help to get a backlight to ur LCD screen panel go through the Tuner board to produre a picture.Replaced this LCD inverter board u will get ur picture back.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter board for the replacement.It a long board in shape.

May 26, 2010 | Sanyo 42 in. LCD TV

1 Answer

Tv flashes on, just a flash, goes off, but audio is only thing that is working on tv


Ur LCD inverter board is dead.Must replaced this board to get the picture back.It usally a long board.Tries Websites Shopjimmy.com,ebay.com for part.

Jan 19, 2010 | Sanyo DP32746 32 in. LCD Television

1 Answer

My sanyo screen is black but there is sound tv worked fine this morning


There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Nov 14, 2009 | Sanyo DP32746 32 in. LCD Television

1 Answer

Inverter opertion


Hello davidweldon,

If the inverter board is bad, I would suggest that you replace the whole board unless you have a SMD (Surface Mounted Device) rework station, and a background in electronics. I have worked on TVs where people have tried to remove SMDs and it never is an easy thing to do, so I would again suggest that you replace the whole board, because all of the components are SMDs.

Now as to your question, I have seen on these sets the majority of the time it is a driver transistor that goes bad.

I hope this helps,

Thank you,

Shuttle83
www.electron-age-technologies-llc.com

Nov 12, 2008 | Sanyo DP32746 32 in. LCD Television

2 Answers

Sanyo LCD TV DP32746 no picture


Easy way to Diagnose is get a known good CCFL from a laptop or LCD TV and start plugging it in to the existing Cathode's Ports one at a time. Generally its a bad CCFL on these multiple units.. (2,4,6) Bulbs.. Moniserv.com for replacements.

Goodluck guys!

Mar 17, 2008 | Sanyo DP32746 32 in. LCD Television

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