Re: TV Repair Reference Library
Check the PS D/C voltages, values for the output wire connectors are stamped on board.
STICKIES ARE FOR READ> Post your Questions in the forum, not here! <Thanks.>
Bills86e
Member
Last Activity: 03-23-2015, 06:23 PM
Joined: 11-29-2012
Location: pinellas park, fla
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Last edited by Bills86e; 03-21-2015, 08:11 PM. -
Re: Vizio Failing afterwarm
Replaceing the Video board Fixed this problem. Now working great! .
Searspartsdirect $168
Thanks to you all who participated.Leave a comment:
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Re: Vizio Failing afterwarm
1 minute goes by quickly. Then its too warm to come back on alive, to get more than one pin reading. How do you pro's do it fast.
The shop here wants $160 to diagnose it, but no guarrantee.
If I unplugall three cards (5 connectors) I can plug the AC in and read the PS
and match to the four stamped chart values, and note CN204's values. (4wire)
or 1= is this a bad idea? If they all matched, would that indicate at least the PSU
DC output(s) mean a good board, or 2=does the PS have to be under a "load"?...Leave a comment:
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Re: Vizio Failing afterwarm
I know the LED driver board controls both the A & B sides of the display.
hence = two ribbon cables from T-Con. Only you guys know how the TV works.
I am a Jackass. I was hopeing that unplugging a board would suggest its bad,
Should the three boards be unplugged from PS, then with PS plugged in, record the
pin values of the five connectors as a "start-point".
Youtube vids were no help,
Should I give up and just throw away my $1200 investment? My two dogs miss TV.
I also...Last edited by Bills86e; 03-07-2015, 10:07 AM.Leave a comment:
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Re: Vizio Failing afterwarm
LD I think is LED Driver
16 12 11
Yes, I will post them I appreciate your talentLeave a comment:
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Re: Vizio Failing afterwarm
with power, logo white
16=.0v 14=3.3v 12=12v 10=11.8v 8=.0v 6=.0v 4=5.1v 2=5.1v
15=.06v 13=3.29v 11=.05v 9=.0v 7=.0v 5=.0v 3=5.09v 1=5.09v
without power, logo orange
16=.0v 14=.0v 12=.0v 10=.0v 8=.0v 6=.0v 4=5.1v 2=5.1v
15=.0v 13=.0v 11=.0v 9=.0v 7=.0v 5=.0v 3=5.1v 1=5.1vLeave a comment:
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Re: Vizio Failing afterwarm
OK I can only get the white logo. No pic or sound. Will not power off.
It seems that I could more easily unplug the CN202 from the MAIN, as the probe would go into the female?Last edited by Bills86e; 03-06-2015, 06:38 PM.Leave a comment:
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Re: Vizio Failing afterwarm
budm
I can no longer get the TV to come on for the one minute.
I don't know what everything we did meant.
Was all this to check the PS
I feel "out of the LOOP"Leave a comment:
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Re: Vizio Failing afterwarm
That image is exactly as mine is, entirely!
So where do we go from here? (to find the culpret board) Also, where is the stamp for connector 204? Its not on PS circuit board.
If we determine the bad board, then we could go on to find the bad gizmo. maybe the eeprom or something.
.
BudM
Yes, those values are the O/B stamp on my PS-CB
the post 18 were by location on theconnector, not by number, and the values noted during failure.
The stamp values for CN202 are:
rear...Last edited by Bills86e; 03-06-2015, 04:41 PM.Leave a comment:
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Re: Vizio Failing afterwarm
OK, so do you need just the two (cn202 & 204) from power supply to the Main Board? farright connector is #CN202, I do not see
how to tell what color wire correlates to what pin # , as there are two rows, two holes do not have wire in them.
CN202 = 1234-+5.1
56789-GND
10,11,12- +12
13-remote on/off
14-BL on/off
15-LD on/off
16- dimmer signal
CN204 is not stamp on board
These values were recorded when...Last edited by Bills86e; 03-06-2015, 02:20 PM.Leave a comment:
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Re: Vizio Failing afterwarm
4 wires PS to Vid Main is CN204
8 wires PS to T-Con is CN 201
two rows, eight wire positions in each row PS to Video main is CN202
I have no schematic, no details of what each pin is.
Can we guess that the MAIN BOARD needs replaced? or are you thinking its just not getting the right powerLast edited by Bills86e; 03-06-2015, 12:40 PM.Leave a comment:
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Re: Vizio Failing afterwarm
4 wires PS to Vid Main
orange red brown black
18.7, 18.7, 0, 0
-----------------------------------------
8 wires PS to T-Con
gray black blue green yellow orange red brown black
5.08, 5.08, .05, .05, .01, .01, .01, .01, .01
------------------------------------------
two rows, eight wire positions in each row PS to Video main
rear row
_ brown _ white purple green orange brown
0, 3.3, 0,...Last edited by Bills86e; 03-06-2015, 09:05 AM.Leave a comment:
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Re: Vizio Failing afterwarm
Unplugged, waited 5 min. Now back ALIVE.
YEP..........1 minute, failed, white or lt blue screen. Must mean the back-lighting is working.
sound is on. Will begin with Volt readings.
YIKES, ...........My hands are so trembling, I don't think I should do this probeing. A bit SCARRED!
Am I in any danger? I might accidentl touch two. maybe i have antzhymer's I'm not drinkin coffeee.Last edited by Bills86e; 03-05-2015, 04:27 PM.Leave a comment:
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Re: Vizio Failing afterwarm
[url]http://www.shopjimmy.com/vizio-0500-0505-0860-power-supply-unit.htm[/url]
It posted
Now two minutes, I just lost picture, its now white or a light blue. I have sound.
I'm gonna shut off with remote, see if it does that.
The remote shut if off, but it will not turn the tv back on. Logo is orange.
Do I need it white to do the voltages?Re: Vizio Failing afterwarm<br /> <... /> It postedLast edited by Bills86e; 03-05-2015, 03:54 PM.Leave a comment:
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Re: Vizio Failing afterwarm
I powered her on, She isalive. Guessit'll be ashort while til the failure occures.
I'm guessing you need the voltages when its in fail?Leave a comment:
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Re: Vizio Failing afterwarm
Here is a URL of the board, however it is laying on itsright side. 5 white are on the right
in this pic.
[url]http://www.shopjimmy.com/vizio-0500-0505-0860-power-supply-unit.htm[/url]
OK, pwr to vid main connectors. BRB Thanks by the way!Re: Vizio Failing afterwarm<br /> <...tm[/url]<br />Last edited by Bills86e; 03-05-2015, 03:48 PM.Leave a comment:
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Re: Vizio Failing afterwarm
I recently got a smart phone...I took the pics, now need to upload to here. (learning)
There are two white connectors with multiple wires/colors from PSU to the Video mainboard.
Two connectors to the LED driver board
One to the Timing control board
Am I looking to record voltages at each wire on the connector(s)? I can list wire color
and its V. of each connector. I have no schematic.
I have the TV rear cover off, baseplate on, standing erect with back panel faceing me. Unplugged....Last edited by Bills86e; 03-05-2015, 03:22 PM.Leave a comment:
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Re: Vizio Failing afterwarm
I just figured out what is DMM. Digital Multi meter. Wags?
Ok, I agree we start with PSU. AC in, DC out.
My bd is AC in on bottom, two outs to LED on left top, top rt is : to vid bd, to T-Con, to Video board. So the PSU has five DC outs connectors across the top of circuit bd.
Each of these connectors have many wires, I appreciate all the help,
I also now understand we must eliminate each board to find the defective board.
I had thought because I had unplug the T-con, waited, re-plug, then the TV...Last edited by Bills86e; 03-05-2015, 12:06 PM.Leave a comment:
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Re: Vizio Failing afterwarm
I'd like to narrow this issue to one of the four componet boards, and just replace that.
My guessis T-Con, as the screen went black. Any thoughts?
I do not have electronical tool$. All I need is my #2 phillips! Refurbs or used OK
Power supply PCU board = Vizio 0500-0305-0860
GPU Timing control board = Vizio 3647-0062-0147 (9c)
LED driver board = Vizio 0500-0705-0070
Main video board = Vizio 3647-0342-0150 (4c)Leave a comment:
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Vizio Failing afterwarm
VIZIO 47" HDTV XVT3D474SV had it in Bedroom with two remotes
This is an LCD/LED Smart HDTV 03-03-2015
Wife said "it stopped" and changed it out with the 40" LCD tv, Sony Bravia. Stored 2 months.
I cleaned power plug, dusted, Checked batteries in remote's (bad) replaced only one set.
In office, it powered on by remote and the JAG wheel. Nice Pic & sound.
1st, I noticed some channals would not come on. Nice Pic & sound.
While watching, after...Last edited by Bills86e; 03-04-2015, 11:10 AM.
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