Question about Sanyo DP42746 42 in. Plasma Television

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Sanyo main board

Where did you get that main board for your Sanyo DP 42746? By main board do you mean power supply or logic board?

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  • Anonymous Mar 28, 2014

    wont turn on

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  • 51 Answers

Sanyo 1-800-877-5036

Or... www.shopjimmy.com for used parts.

Posted on Aug 06, 2008

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Posted on Jan 02, 2017

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3 Answers

Sanyo model Dp 42023 comes on but picture flashes on and off sound is fine


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Jan 03, 2017 | Sanyo Televison & Video

1 Answer

How do i fix a tv sanyo DP 42849 IS NOT TURNING ON


Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Electro help

Nov 13, 2014 | Sanyo Televison & Video

1 Answer

My sanyo model #dp37649 turn on and off over ond over done replace main and power boards what do i need to do to fix it


Hey Chris, take off the back cover of the set and disconnect the key controller board. The key controller is the board that has your side buttons attached to it. If you replaced the main board and power supply with good parts, the only logical thing to try next is the key controller

Oct 28, 2012 | Sanyo Televison & Video

2 Answers

Power Issues with Sanyo DP50749


Main board is most likely but that is an educated guess--problem with all these is you can only check so many things and then have to guess and try a board.

Apr 22, 2012 | Sanyo DP50749 50 in. Plasma TV

1 Answer

Power light flashing green. No other light or sound. Per directions I found here, I bought a new power supply board. No change at all. Any other ideas?


Ur tv still having the same result a flashing LED power light indication,after u change the tv power supply board.Mean only one thing the main logic Tuner signal board it is also dead too.The Tuner signal board that the board where the tv incomming broadcasting signal wire plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish main logic Tuner signal board for the replacement.Tries out the old power supply board with the new refurbish main logic Tuner signal board too 50/50 the old power supply could be still functioning.If ur old power supply board still good and functioning,than return ur new bought refurbish power supply to the vendor u bought it from to get some money back.

Sep 14, 2011 | Televison & Video

1 Answer

Sanyo dp42849 tv blinks on then off has sound.was working fine?


If sound stays on and doesn't goes off then you need the video logic main board, if the audio goes out, it maybe the power supply

Dec 07, 2010 | Sanyo DP42849 42 in. HDTV

1 Answer

I'm working on a sanyo 50" hdtv, It wont power on,


The power supply board have 6 capacitors dead,must have very high current going through the tv to have that many cap to died on the power supply board.U have good electronic skills trouble shoot the power supply board again,have something else is dead in there?Or try website like Ebay.com to buy a refurbish power supply board for the replacement.

Nov 24, 2010 | Sanyo DP50747 50 in. Plasma TV

2 Answers

Green light comes on no picmor sound


Hello Afox5, hi, make sure that there are no user controls or setup that are out of order. as a backgrounder, TV of this type mostly has two boards, power supply and main board. On the power supply board, this has two section, primary that deals with mains voltage and secondary that deals with TV supply current requirements, if you see green light mean that power on the secondary section of the power supply board of your TV is working, but it does not mean that the power supplied to the main board is correct, the supplied current produced by the power supply section to the main board that controls sound and picture needs to be checked, so voltages are needed to be checked and loose wiring, or screws needs tightening, are a common trouble, but some go to extremes like replacement of any boards.

Aug 31, 2010 | Sanyo DP42746 42 in. Plasma Television

5 Answers

Sanyo DP50747 Replaced Power Supply still not working


I have same problem. Walmart is selling Sanyo junk You are not alone lots of web chatter about these lasting 2 years or less, Mine lased 19 months, Trash it & buy a different brand. I originally was going to buy a Samsung & now I will.

Sep 22, 2009 | Sanyo DP50747 50 in. Plasma TV

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