Re: Vizio VW42L hdtv10a No Picture
Ok remove the 2 and 10 ohms ones correct? and test the same way?
Let me know = then will continue tomorrow
thank you for all the help
pfgallo
Member
Last Activity: 02-17-2016, 10:09 AM
Joined: 12-21-2012
Location: Niskayuna, Ny
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Re: Vizio VW42L hdtv10a No Picture
measure all of them
with the board with caps look not so bad - all S to D are in the M ohms range
With the board with the top cap that looks bad I have two that read M ohms and other two - 10.2 ohms and 2. 1 ohms
Issue maybe ?? With why these two read higher??Leave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Please give me more details on what I need to test. Can you show me on a picture.
What points. ThanksLeave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Think found issues - three of four caps look bulged up.
Can I just replace these or need to look further on these boards....Last edited by pfgallo; 02-12-2016, 05:52 PM.Leave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Yes have 24 Vdc and 12 Vdc to groundLeave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Hi
Already checked DCV and they are the same as before. Have the 5 Vdc - Pson on 3.1 vdc and no 12 or 24 vdc.
Wondering what I am missing here.
Got both boards on Ebay -one is from Coppell TV Repair LLC and other Topboardsale.
Both had Good Feedback and Purchase from Coppell before with no issues.
At a loss right now on what to try next.
Any ideas? or know anyone here that may have a New Idea?
Thanks for the helpLeave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Hi
I replaced the Power Supply Board and still did come on.
So today replaced the Main Board and again still does not come on.
Anyone any ideas??
Thank youLeave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Hi
Maybe did not read my last message ---
Looking at the IC its going to be hard to solder wires to it being so small
I got a 1 k Resistor and can do the second one point you said.
So what is exactly you want me to do.
Connect resistor between 5VSTBY and the PS-ON pin and then ??Leave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Looking at the IC its going to be hard to solder wires to it being so small
I got a 1 k Resistor and can do the second one.
So what is exactly you want me to do.
Connect resistor between 5VSTBY and the PS-ON pin and then ??Leave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Ok
Your saying I connect wires to pin 10 and 12 and remount board with wires out back so can measure them.
For the ground can I touch any ground point or has to be the one you marked so then would need three wires out backLeave a comment:
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Re: Vizio VW42L hdtv10a No Picture
To do this I need the board to be removed from Frame and hanging free.
To get to the back IC
Is this OK to do powered up?? Board not grounded then to frame
Also the picture I sent of the IC which Letters are those pins near.
Want to make sure I measure correct ones
ThanksLeave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Dla001d
917y736...Leave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Find IC603 on the board upper top middle and three lower bottom middle.
Do not see a IC601.
Can you give me a idea where to look?Leave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Yes - The Very Large Cap on top left has 400 v across it.Leave a comment:
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Re: Vizio VW42L hdtv10a No Picture
OK Measured from Power Board Connector
PSON - 3.12v
12v all -0 v
SGND - all 0 v
5v - 5.19 v all three
A- 1.49 V
B- 2.89V
C - 0...Leave a comment:
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Re: Vizio VW42L hdtv10a No Picture
Here are some pictures
The Power Board, Main Board and the Two Fuses F1 & F2
If need more please let me know what your trying to see so can focus on that area.
Thank you...Leave a comment:
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Vizio VW42L hdtv10a No Picture
Hi All,
I have read many of the Posts on this Tv problem - cannot find one on what I am seeing or what to test further.
I gave the Yellow Standby and then White light on with the Front of TV.
Checked all Cap's nothing looks bad or nothing else sticks out as bad.
No 12 or 24 V on the Power Supply so looks like not coming on.
On the Main Board I have on Fuse F2 5.1 volts, on Fuse F1 no voltage at all on either side on this fuse.
I figure should see something on at least one side if Fuse was Blown.
...
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