Question about Vizio VW46LFHDTV10A 46 in. LCD TV

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Have vertical lines on Vizio VW46L FHDTV10A

Replaced T-con board. vertical lines are still there.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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ginko
  • 19396 Answers

SOURCE: I have a 46" Vizio

Hi.

From description it looks like the shadow on top is one of the lamp not turning on completely.Or staying off. If the lamp stays off it can still be the inverter. If lamp turns on partially, then the lamp tube must be replaced.
The symptoms do not belong to any common fault. The fault seems involving back light system (inverter, lamps, wiring).The fault responds to whack test, and then it is likely a broken contact (wiring, connector or broken solder joint).
When problem is the inverter you usually do not get any back light, or lights go off altogether. If the inverter is located near to where you tap (the slave more than the master), then this can be part involved.
In fact, if when you tap the top of the screen the situation changes, that means that there is a bad contact in that area. The test is called whack test. Test inverter terminal contacts (connectors and wiring) using a multimeter to ensure that there is continuity between different point of the circuit (zero or low impedance), from inverter to back light lamp. Replace the inverter if you find a problem, or you risk replacing the wrong part. Continuity testing is done with power OFF(ensure that power cord is out).


Regards.

Ginko

Posted on Feb 03, 2011

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tunde007
  • 2382 Answers

SOURCE: I have a Vizio LCD

Hi, vertical lines when the television is on may be related to issues with the television's screen resolution. Resolutions set higher than 1280 by 720 can create visual disturbances on the screen. You can reset the resolution through the control panel's display settings menu. This should correct the issue immediately, although you may need to power the television off and then on again in some cases..

Posted on Mar 26, 2011

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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
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Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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