Question about Televison & Video
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Posted on Jan 02, 2017
Since the audio is still working, the main power supply probably
wasn't at fault and you may be looking at more research and possibly
The problem is very likely on the largest board or with a failing
circuit that is part of the display.
You may be able to isolate it by using 'freeze spray' which you can
buy anywhere electronic parts are sold.
I suggest more than one can of it; ~ $7-8/can.
You will need to have the guts exposed and the set turned on.
Look around the edge of the display itself for chips (ICs) and give
any you see one brief shot of the spray, wait for ~1 minute for it to
'soak' and then move on to the next one.
If the video comes back, even if only briefly, repeat the cool-down
until you are confident to have found the right one.
If you can isolate it, you still have a problem.
If the sick IC appears to be 'glued' (with solder) onto instead of
through the board, you may not be able to replace it successfully.
If you can see that it has pins going through the board, these can be
replaced by anyone with a professional soldering tool and a steady
Remember, the problem can be on a board that is only connected to the
display panel but if on the panel itself, you may not be able to buy a
replacement for less money than a new set would cost.
Posted on Nov 10, 2011
Tips for a great answer:
Feb 02, 2012 | Televison & Video
Nov 09, 2011 | LG 42LC2D 42 in. LCD HDTV
Aug 31, 2011 | Sony KP-51WS20 Rear Projection Television
1. Turn on the TV receiver
2. Press TV on the Sky Remote Control
3. Hold down SELECT and the RED buttons together for approximately two seconds, until the RED LED on the Sky remote blinks twice.
4. Enter three digit code from list for the receiver (early versions now flash twice).
5. Press select to enter code structure (the LED will flash twice if a valid code has been entered).
6. Now press the STDBY button and test other functions.
Repeat if necessary until a code is found that works most common functions
Mar 12, 2011 | LG 32LH30 32 in. LCD HDTV
Aug 16, 2009 | LG 32LH30 32 in. LCD HDTV
Mar 26, 2009 | LG 42LG30 42 in. LCD HDTV
Dec 26, 2008 | LG 26LG30 26 in. LCD TV
Dec 24, 2007 | LG 42LC2D 42 in. LCD HDTV
Dec 12, 2017 | Canon Televison & Video
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