vizio E320-A1 not working

[FPayne4362]

Re: vizio E320-A1 not working

The problem is simple its the eeprom that needs replacing. It sends the signals. Check voltage on eeprom

[splitcrete]

Re: vizio E320-A1 not working

It looks like U702 was changed before I would test that regulator.

[crepiduse]

Re: vizio E320-A1 not working

Which EEPROM and is this the same as the E320-A0?

I have a E320-A0 with sound, no picture.

[phan1978]

Re: vizio E320-A1 not working

Hello everyone! I know this thread is old but I have another question. I am having the same issue. The TV will not power on at all. No lights, nothing. I am testing with a volt meter on the rainbow colored set of wires going from the power board to the main board and I am not getting any volts. Any info here would be greatly appreciated.

[phan1978]

Re: vizio E320-A1 not working

see pics of the board that the OP posted on page 1

[budm]

Re: vizio E320-A1 not working

There are two vesrions of the power suply board used in the same model TV and they look almost identical, so your board is the EXACT match to the OP for sure?
See SJ for the exact model you have.
http://www.shopjimmy.com/catalogsear...=vizio+E320-A1

Partial part number (CL801UXE3) can be found on a sticker.
Partial part number (CL801UXE3Q) can be found on a sticker.
We are going to troubleshoot using the pictures, so the correct pictures are VERY IMPORTANT!.
BTW, the main AC fuse is good, and you are getting 160VDC or so between the two legs of the main filter cap?

[phan1978]

Re: vizio E320-A1 not working

Here are two pics.

[phan1978]

Re: vizio E320-A1 not working

Board is CL801UXE4

getting about 63 volts on the fuse

[budm]

Re: vizio E320-A1 not working

OK, your board per sticker is 'CL801UXE4'
Vizio / Insignia ADTVCL801UXE4 Power Supply Unit
http://www.shopjimmy.com/vizio-insig...upply-unit.htm

Pictures provided by shopjimmy.
Board is $25. So what do you want to do?

[phan1978]

Re: vizio E320-A1 not working

well, I want to make sure that is the problem because I have been seeing the same symptoms and the issue was a bad EEPROM

[budm]

Re: vizio E320-A1 not working

Board is CL801UXE4

getting about 63 volts on the fuse

What did you use for GND for the meter?
When checking in coming AC to the board, you have to measure between LINE and Neutral.
DCV measurement in the primary side circuit, you will use the negative leg of the main filter cap as the GND ref. for the meter.
So what DCV do you have MEASURED between the two legs of the main filter cap?

[budm]

Re: vizio E320-A1 not working

well, I want to make sure that is the problem because I have been seeing the same symptoms and the issue was a bad EEPROM

But you have to have at least Standby Voltage to run the main board first, so you have at least one problem dues to dead power supply which you need to get it running first then you can find out what other problem you may have beside the power supply board.
What is the history of this TV?
Bad EEPROM will not cause the power supply not to put out ANY Voltages.

[phan1978]

Re: vizio E320-A1 not working

What did you use for GND for the meter?
When checking in coming AC to the board, you have to measure between LINE and Neutral.
DCV measurement in the primary side circuit, you will use the negative leg of the main filter cap as the GND ref. for the meter.
So what DCV do you have MEASURED between the two legs of the main filter cap?

Your last post may be a touch over my head. I have the dial on 200V (wavy line over the V). I touch the black to the GND on the 13 pin rainbow wires and I touch the red on the metal of the fuse holder.

[phan1978]

Re: vizio E320-A1 not working

got 74 volts this time

[phan1978]

Re: vizio E320-A1 not working

tv history. my friend had it for 3 months and one day it just wouldn't cut on. he just gave it to me to look at it. I am now getting around to it. He said he didn't notice a storm or surge around the time it stopped working

[budm]

Re: vizio E320-A1 not working

You CANNOT use the COLD SIDE GND or Chassis GND as the ref for the meter when measuring the incoming AC, you have to measure between Neutral and at one end of the fuses at a time.
Why don't you just check the DCV between the two legs of the main filter cap?
BTW, do not touch anything on the HOT side of the board or you may get killed.

[budm]

Re: vizio E320-A1 not working

BTW, do you have correct tools to do component level repair, especially for the SMD parts?

[phan1978]

Re: vizio E320-A1 not working

You CANNOT use the COLD SIDE GND or Chassis GND as the ref for the meter when measuring the incoming AC, you have to measure between Neutral and at one end of the fuses at a time.
Why don't you just check the DCV between the two legs of the main filter cap?
BTW, do not touch anything on the HOT side of the board or you may get killed.

Is that the long black horizontal capacitor left of where the plug goes?

[phan1978]

Re: vizio E320-A1 not working

BTW, do you have correct tools to do component level repair, especially for the SMD parts?

I have a soldering iron, solder and copper thread.

[budm]

Re: vizio E320-A1 not working

Is that the long black horizontal capacitor left of where the plug goes?

C9810 is the main filter cap.
https://www.badcaps.net/forum/attach...2&d=1472951354