m# d48-do.came to shop with no audio,video or menu.has backlights.replaced main and power boards from SJ.no change,what am I missing here?
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Re: vizio backlights but no video or audio
We need good clear pictures of the whole backside of the TV showing all the boards.
Does it have stand alone T-CON board or integrated T-CON into the panel?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=24809 -
Re: vizio backlights but no video or audio
integrated into the panel.Comment
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Re: vizio backlights but no video or audio
Lets see the pictures.
What kind of Voltage testing have you done so far?
Did you check the Voltages on the T-CON?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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Have a free Vizio E60-E3 pickup - sound and backlights work. set turns on and stays on for a period then cycles off and back on. NO VIDEO. If I remove left side (from front of TV) of TCON cable - set has pic on right side (from front of TV) with white screen on left side. With right side TCON cable disconnected - no pic on either side.
Does this mean remove right side (from front of TV) tabs ?
Like a second opinion before possibly destroying set.... -
'Morning,
I get sound and picture when powering on the TV and its stays that EXCEPT that the left half of the screen will dim every few seconds then return to normal while the right side of the screen performs as designed.
Did the soft and hard reset options pulling the plug, using the reet option in the vizio menu to no avail.
I checked the mainboard - found some popped capacitors so replaced it - but that did not change the situation.
I checked the t-con board. It is getting good power. Then I removed one ribbon cable to see if I could isolate... -
This Vizio came in the shop with no backlights. Replaced all the strips with replacement from Shop Jimmy. Set now has backlights but lights pulsate on left side. Half the screen brightens up then goes to normal then repeats.
Am I looking at a defective strip? Thanks in advance. -
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I have a Vizio D32f-E1 LCD TV that does NOT have a TCON board.
This TV recently went through some 'death throes' and now won't boot. The first problem that began to manifest was while watching tv, the screen would 'freeze', and the image would dim over a few seconds until it was very dark. HOWEVER, the audio of the show would continue as normal. I could power off the TV for 5-20 seconds, power back on, and the video would be normal. This would occur 1-3 times when the TV was first started, and would not happen again after the TV was 'warmed up'. Not ideal, but this glitch was manageable....
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