Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: LCD TV picture screen very dark
I have the same issues with my Westinghouse LCD set. I've found that going into the settings (using the TV remote) I can get it back to a bright picture by selecting 'restore factory settings'. It is aggravating and a pain, but I can correct it.
It only seems to do it on the analog stations, not the digital (HD) ones, so maybe it will go away after the conversion next year.
Hope this works for you.
Posted on Jul 31, 2008
After posting this problem we did call Vizio. They sent out a repairman (had to wait over a week) who fixed it by: Replacing the LVDS cable and the main board. (Just like somebody on this blog wrote somewhere!) We also had just previously called our cable company who came out (also free) and checked our system only to find the cable running around the house to the tv needed replacing as it was sending zillions of errors. The red flowing problem (called "red pixilation") was due to the Vizio LVDS cable and main board being faulty from the factory.
Just want you out there in web land to know how to get your similar problem fixed!
Posted on Jun 14, 2009
I have a ln-s4092d that had the same problem after a little more than a year of service. Replacing the main board seemed to fix the problem. But about a year later, the same problem has reappeared. I'm getting ready to replace the main board once again, but I don't really want to do this on an annual basis/
Posted on Aug 14, 2009
SOURCE: Bought Memorex MVD2059D 20
IF the Standby Red Light does not come on when you plug in the TV:
1) Check fuse on back panel next to power cord. Pull out cord and pop fuse holder out. On an ohmmeter, it should read 0(short)-that is a good fuse.
2) Check the fuse on power supply board next to power connector. It is soldered onto board.
3) Be careful with this step: With all boards screwed in place, plug in TV and then unplug it. Next take a Voltmeter set on 200 Volts and test large electrolytic cap in middle of board-should have @100-200 volts on it. Do not short the capacitor-big fireball flash explosion if you do!
If 1-3 test OK, then:
D10 is shorted. HER304 in middle of Power supply board near large electrolytic cap. Replace with same diode or Radio Shack 276-1144 3A 400PIV Diode. PLEASE BE CAREFUL WITH HIGH VOLTAGE PRESENT ON POWER SUPPLY BOARD. UNPLUG POWER CORD!!! OBSERVE PROPER POLARITY WHEN REPLACING DIODE-LOOK WHERE THE BAND IS.
Posted on Oct 06, 2009
What should I do if my TV is stuck in Retail mode?
Your TV may have been set to Retail Store mode, which is mainly used on the shop floor.
For home use, we recommend that you set the TV to HOME mode, which will allow you to change the settings.
To change to HOME mode follow the steps below.
Posted on Nov 14, 2009
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