Question about Sony Bravia KDL-37V4000 37 in. LCD TV
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Posted on Jan 02, 2017
SOURCE: Screen on and off
I don't think you did any damage. It is probably not hooked up properly.
Go back and check all connections and cables.
You may have caused an internal open connection or cold solder joint to quit. Do a little banging on the set with your hand or fist to vibrate it enough to scare a poor connection back to work!
HERE ARE FEW MORE TROUBLESHOOTING STEPS YOU CAN TRY:
ONE: Check the line cord. Wiggle both ends near the molded part.
TWO:Do a hard reset by unpluging all the cords for 4hrs and then plug it back.
THREE:The whacking test is to just bang or smack the set with your hand on the back, side, top, etc., to see if there are loose connections or cold solder joints inside that are acting up. If so, the banging should knock them back to normal and the set should restore. You might have to use some creative banging and some have had to put a book or magazine under one corner to torque the chassis enough to get it to work reliably.
If the problem still persists then like i said before,you will have to get it repaired by a technician.
Please don't forget to rate the solution AS FIXYA.
Posted on Apr 07, 2008
SOURCE: Blank Screen
I had this problem on my 42" Philips. Just got it yesterday and worked fine on the tv stand. As soon as I mounted the TV to the wall via wall mount system, I had the exact same issue you did. Figured it out today.
The wall mount was putting pressure against the center of the back of the tv (tv set had a slightly rounded back plate, and the mount was a flat plate). As soon as I put spacers (part of the wall mount hardware set) between the wall mount braket and the tv so there was no contact except at the mounting holes, the tv worked fine.
My theory is the pressure pushed the tv back plate against some board components which caused them to overheat (no air flow); or put pressure on internal connectors. I dont know.
Hope this helps, may not apply to your situation.
Posted on Sep 18, 2009
Was exactly what you said. The cable box settings were in wide mode. Couldn't figure it out at all. Funny thing was too.. on my cable box remote, the button under the #9 button is the # button.. it doesn't say zoom at all.. but it totally controls the zoom.
So thanks for that.. AND thanks for saying "under the #9 on the cable remote" instead of just saying .. the zoom button.
Posted on Apr 06, 2010
You've got a board going bad - most likely caused by an overheating diode or capacitor. It's going to require a service visit.
Posted on Jul 07, 2011
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