problem with Sanyo DP32746

minnie · Joined: 18 Aug 2005 Posts: 2880 Location: Hell

http://www.partstore.com/Model/Sanyo/Sanyo/DP32746.aspx
Looks correct to me...

jts1957 · Joined: 24 Nov 2008 Posts: 2476 Location: Far, Far Away

http://www.partstore.com/CompatibleModels/Sanyo/Sanyo/RDENC2548TPZZ/Refurbished.aspx

OldIBMer · Joined: 21 Aug 2009 Posts: 27 Location: USA

See if you find what you need here:

http://www.shopjimmy.com/backlight-inverter-vit79002-52-for-32-lcd-models.htm

Recently got an inverter here...very happy with it.

Gerald

OldIBMer · Joined: 21 Aug 2009 Posts: 27 Location: USA

This might be better.

http://www.shopjimmy.com/catalogsearch/result/?q=dp32746

white squirrel · Guest

Hi Minnie,

I didn't know about "partstore". Their prices are good. If they are listing the part as going into a Sanyo DP32746 I'me guessing it will also fit.

I was sceptical since the photos I found of part RDENC2548TPZZ look really different from the part I had in the TV. Transformers, circuits and high voltage connectors look different. On the positive side, the power and control connector pinout is a match.

Unfortunately, this specific board is missing some metal pads on the circuit board. They help ground the aluminium shield going over the inverter. I'me not sure if this is crucial. The shield is grounded at the other end, so It probably does not matter.

So it's probably a replacement and I'me being finicky. Smile

Sorry...

Has anybody tried to repair a Sanyo DP32746 with part RDENC2548TPZZ ?

As for part VIT79002.52.... OldIBMer, did the repair went according to plan ?

Thanks in advance

Hope that helps. Sorry for doubting you Minnie ^-^;;

OldIBMer · Joined: 21 Aug 2009 Posts: 27 Location: USA

me · Guest

can I asked how much was the inverter board, and where you got it. I have the same problem, same model.

TheHardDrive · Guest

I am doing some work on this same television atm. I believe my problem is related to the power board although I was originally thinking inverter.

Explanation:

The service manual shows that the power connector "K6R" between the power board and main board should read as follows.

Pins 4,5 - 24v
Pins 1,6 - 6v
Pin 7 - 5v

All of these voltages checked out fine except pins 4,5 which read back infinite on my meter.

I then checked the main board side of the same connector and had the same result. All voltages checked fine except for pins 4,5.

I then checked the power connector from the power board to the inverter which should read 24v on pins 1,2,3,4, & 5. All of them read infinite.

From some posts I read before if you get the correct power up voltages on the power board side (3.5-5vs) but the incorrect power voltages (24v) then you should replace the main power board.

If you get the incorrect power voltage readings on the power board side you should check them on the main board side. If incorrect on main board side also then probably bad main board. If you get correct power on volts on main board side, but not power board side then you probably have a bad cable between the main and power board.

Anyways I am fixing to order a replacement power board and see if this resolves the problem.