Question about Samsung Televison & Video
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Posted on Jan 02, 2017
1) In customer menu, adjust all video controls to center,then
increase "picture" to 3/4
2)Locate focus/screen adjust block above chassis...adjust
RGB screen controls for best mixture = B/W tracking..
Check with customer color level at minimum..should look gray.
If you turn screen controls up too much,you will see faint
re-trace lines in picture.....once B/W looks good,put color level
back to middle...................................................T.
Posted on Feb 05, 2008
do you have a service manual for this tv because it may be your red drive circuit and you need to trouble shoot it if you don't have a service manual for your tv I will post a link where you can get one plus free online tech support to help you troubleshoot this problem
Posted on Apr 23, 2008
SOURCE: Picture getting dark
My jvc 27" tv was so dark I could hardly see any night scenes, even with the bright all the way on. If you push the sleep button, let go, then hold down the video and display (together), the service menu will come on. Scroll down to #7 (too dark) and adjust the brightness there. Works immediately. Good luck.
Posted on Jan 11, 2009
This is for the 50" Vizio TV,
It sound like the control board has a problem. There is two way to fix this.
- Upgrade the firmware of the control board, If you can find the firmware upgrade device.
- Replace the control board (I think this the best solution)
Posted on Feb 16, 2009
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