Re: VIZO VX32l HDTV10A
1.24V or 0.24V?
1.24V or 0.24V?
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Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search. -
Re: VIZO VX32l HDTV10A
0.24 voltsComment
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Re: VIZO VX32l HDTV10A
In your original post, you stated 1.24V, which is what made budm think it was bad, but with 0.24V on that pin, it means the regulator was probably good originally.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: VIZO VX32l HDTV10A
also when i check the fuses i get 5 volts on fuse 2 both sides and 0 volts on fuse 1 both sidesComment
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Re: VIZO VX32l HDTV10A
Those fuses are probably OK.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: VIZO VX32l HDTV10A
so any idea what else i should checkComment
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Re: VIZO VX32l HDTV10A
At this point to troubleshoot further down to component level will not be practical.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: VIZO VX32l HDTV10A
So what what do you think i should do try swap power supply or some other board. Some thing is not kicking on the 12volts right??Comment
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Re: VIZO VX32l HDTV10A
The mainboard is the one that send the signal to turn the 12v/24v power supply ON/OFF.
Please read the link below my signature to learn how LCD TV functions.
Hmm, I did not see if you have already verified if you are getting PS_ON signal (>3vdc) at the power supply board.Last edited by budm; 02-01-2013, 04:34 PM.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: VIZO VX32l HDTV10A
I am getting 3.13 volts at ps-onComment
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Re: VIZO VX32l HDTV10A
If that is the case then the main board is sending out the correct signal to turn on the power supply, and just to be sure, when you turn the TV off this voltage should go down to 0V. If that is the case, then we will need to troubleshoot the power supply.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: VIZO VX32l HDTV10A
When powered off it gets 0.01Comment
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Re: VIZO VX32l HDTV10A
In standby mode?Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: VIZO VX32l HDTV10A
Yes push power button gets 3.13 when power button pushed again gets 0.01Comment
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Re: VIZO VX32l HDTV10A
OK, and when you do this, no matter what, 12V etc are always 0V?Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: VIZO VX32l HDTV10A
getting 0.85 when not in standby on 12 voltComment
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Re: VIZO VX32l HDTV10A
But still dead, probably leakage. Let's check the PSU. Across the main 400V/450V cap you should measure 160V or so in standby, and 390V or so when PSON is high and TV "should" be on. Do you? Careful: High voltage.
After this test can you remove it and get pictures of the top and bottom side, nice and clear and in focus.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: VIZO VX32l HDTV10A
I have 170v in stby and 394v with power on will take me a few minutes to upload some picksComment
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Re: VIZO VX32l HDTV10A
OK, so the signal for turning on the PSU is coming up, so the issue is elsewhere on the PSU.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: VIZO VX32l HDTV10A
here are some picksAttached FilesComment
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Asking for a lil help here .
Tv won't turn on .
Wondering what I need to check/test to figure out the issue of it's the main board ,power supply board or the leds
Any help would greatly be appreciated... -
Hi all,
i have a vizio VP422 hdtv10a that won't turn on it does 2 clicks when i plug it in, no response from power button or remote. The lite on the stand-up board on the PSB blinks 2 times pauses 2 times etc. all the voltage i have is
5VSB--5.33
PS_ON--0.49
AC_DET--5.21
VS_on---0.13
no fuses are blown.
any ideals?...02-05-2020, 03:27 PM -
Hi,
I noticed a TV out on the street that had been thrown out. It was near my house, so I thought why not take it and have a look to see what is wrong with it. I'm not expecting to fix it, but I am curious enough to try and see if it's perhaps something simple (i.e. a simple board replacement). You can sometimes be lucky like that.
Here's what happens:
Plug power cord into outlet. A very faint sound can be heard coming from one of the components on the power supply board. Power LED is red which likely indicates standby.
Press power button... -
When the TV is plugged in the red standby LED comes on and nothing else... it won't respond to any of the buttons. I don't get any other signs of life from the TV.
I know that a few similar Westinghouse models had an issue where the backlight ribbon cables would short out against the LCD frame, but I have tried turning it on with the backlight ribbons disconnected and nothing changes. I also partially disassembled the panel to inspect the ribbons and they look fine, I even added some electrical tape to insulate them from the frame just to be safe.
This TV has just... -
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