Re: MY JVC AV 48p777 wont turn on. It may be the power...
Yes unplug the TV for 5 minutes and hold the menu button down while powering it up for 1 minute then release the button and press volume up 6 times followed by down volume key 4 times.
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Manuals and User Guides for JVC I Art PRO AV-48P777. We have 3 JVC I Art PRO AV-48P777 manuals available for free PDF download: User Manual, Schematic Diagrams ...
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View and Download JVC AV-48P777/H service manual online. AV-48P777/H projection tv pdf manual download. Also for: Av-48p787/h, Av-56p777/h, Av-
If you can also change channels then it's likely it's the T-Con board that has the fault. If you can replace it yourself then you need to make certain that the replacement is the same. Plus make certain the connectors are attached to the board.
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https://www.youtube.com/watch?v=y5j3RGUe4gM
Feb 25, 2015 - Uploaded by Awesome Things
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This model has a light box that can be removed for repairs--all the guts of the set except front keyboard and speakers come with it.
set still can be turned on to see----I would if working on it remove the box and do a very good inspection to see what burnt---could be as simple as a resistor or even a cap.
The power suply board is dead.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
Hi Firstly, check
for a blown fuse or circuit breaker or a power outage. There
is a fuse on the inside back panel that is suspect which is located near the
power entry to the back of TV. Some versions were socketed others soldered.If
you have already tried hard reset (unplugging and plugging it back after
5-24hrs) and still the issue is not resolved then this
is more likely a power supply failure. Most causes of TV failure are due to bad
capacitors on either a system board or the power supply. In this case, it
sounds like the power supply. You can test the capacitors with a capacitor
tester to determine faulty capacitor. You can also test other components like
power supply current with voltmeter or multi-tester. It can also be due
to the protection circuit that is
detecting excessive power or current drain by one of the sections of the TV.
Could be the high voltage; could be the deflection circuits; could be the
audio amplifier; could be the main power supply itself. All this is only
recommended if you have electrical expertise and know how to solder/re-solder
the components. Please do accept the solution
if the issue is resolved or else revert for further assistance. Thanks Rylee
lee0937.......................
my tv wont stay on for more than a fraction of a second!!!!!!!
james
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