Question about Televison & Video
I have the same problem with a just of of warranty unit and have
noticed that if I hold down the on/off button at the top of the unit,
the picture will appear and everything works fine, until I let go of
the button and then the unit switches off.
Does everyone else with this problem, find that holding the button down does allow the unit to work. If so this shows that the power supply is OK and the unit functions... if you keep the button held down
Hard to diagnose some problems without hands-on. However, my guess is the power supply is fine, as are most on LCD's. The inverter board which powers the screen is the most likely cause of problems on that model set. Only other thing that i've seen is a shield that moved slightly beneath the main pcb. It moves because the putty that holds it in place was not rated at a high enough temp. and it simply turns to goo, allowing the heat sink to slide down and touch the main board. Three boards must be removed to find this problem. By holding down the power button on the set you may not be allowing the shutdown circuit to engage which means the problem could still be anywhere in the set. Sorry I can't be more help. All you can get is a guess here.
Posted on Sep 02, 2008
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Technician (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Oct 26, 2017 | Sharp Televison & Video
Apr 25, 2017 | Sharp Televison & Video
Jan 27, 2011 | Sharp LC-C4655U 46 in. LCD TV
Nov 27, 2009 | Sharp Aquos LC-46D62U 46 in. LCD HDTV
Oct 09, 2017 | Sharp LC-32SB24U 32 in. LCD TV
Mar 22, 2009 | Sharp AQUOS LC-32D44U 32 in. LCD TV
Feb 06, 2009 | Sharp LC46SB54U 46 in. LCD TV
56 people viewed this question
Usually answered in minutes!