Question about Sanyo DP42746 42 in. Plasma Television

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DP42746, same as the others!!!!

My sanyo also went off with no warning, green light stays on. If I unplug it, then plug it in you hear the system turn on and then shut back off with no picture or sound. The comment about a 1500.00 black mirror on the wall is the most accurate way to describe the end result. Very disapointed in Sanyo. 21 months old, so my Sanyo product only cost me $72 bucks a month. That is unacceptable. Don

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Please never purchase anything with the name sanyo on it again my tv does the same thing now i spent 1500 dollars to have to buy another, should have put that money on a new sony!!!!!!!!! never again i'll tell everyone about these pieces of ****!!!!!!!!!!!!!!!1

Posted on Sep 06, 2009

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2 Answers

Dead relay(?) on dp42746 is this common.


i think the picture tube has been replaced and the duplicate one is inserted

Dec 26, 2007 | Sanyo DP42746 42 in. Plasma Television

3 Answers

Sanyo Vizon 42" Plasma DP42746 Was using tv when I heard a click and I lost all audio and video, could not change the channel or adjust volume. Tried unplugging and sitting for 10 minutes. Plugged back...


This is a common problem with these TVs. You can download the official Sanyo repair manual for this TV (DP42746) at http://www.eserviceinfo.com/downloadsm/43343/sanyo_dp42746.html. I uploaded it here when I had the same issue with my TV last year. The solution is almost always to replace the Power Board (Y-Main) and the Upper and Lower Y Buffers. The parts and costs (from Sanyo in July 2009) are listed below (NOTE: Sanyo will not ship these parts to anyone but a repair shop): 1. V4 Y-Main (Y-Sustain) Circuit Board (Part # LJ92-01200A, Alt Part # LJ41-02759A) - USD $139.00
2. Upper Y-Buffer Circuit Board (Part # LJ92-01202A, Alt Part # LJ41-02760) - USD $64.00
3. Lower Y-Buffer Circuit Board (Part # LJ92-01203A, Alt Part # LJ41-02761A) - USD $64.00
Sanyo charges USD $10.50 for shipping, which brings the total cost for parts to USD $277.50. From my research, a shop would probably charge between USD $500 and $700 to do this repair. FYI - there is a class action lawsuit pending against Sanyo for this issue. The V4 Y-Main (Y-Sustain) Circuit Boards fail VERY frequently in this TV due to overheating. Hope this helps.

Aug 03, 2010 | Sanyo DP42746 42 in. Plasma Television

1 Answer

Sanyo DP42746.Can't get tv to come on. The green power LED is on.


unplug the power connector to the tv, wait two minutes then plug it back in and try to turn on the set... this worked for me.

Dec 20, 2009 | Sanyo DP42746 42 in. Plasma Television

1 Answer

Sanyo Dp42746


Replace the y-main board and the upper and lower buffer boards. 300.00 from Sanyo. Install them your self or get someone technically minded to do it for you. It worked for me. It's been 6 months and the t.v. is still going strong.

Jan 02, 2009 | Sanyo DP42746 42 in. Plasma Television

2 Answers

No sound and black screen


lets get together, start a list of names and sue companies selling crappy wares at way too high prices! email saryejade@aol.com

Nov 09, 2008 | Sanyo DP42746 42 in. Plasma Television

2 Answers

Sanyo DP42746 42 in. plasma TV


Well I have the same problem with green light and no sound and no pix. After i opened it all up i checked the main power supply board and found all fuses good and the 12vdc side of the board dead. My best guess is this power board has many problems. All the driver boards for the screen are located on the perimiter of the screen. If you loose part of the power supply board you will loose part of functions of the tv. At this time i am looking to replace the entire power board. Will let you know the location and fix soon as i find it. jim jamesgibson@nycap.rr.com

Jun 19, 2008 | Sanyo DP42746 42 in. Plasma Television

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