My power board came out of a home theater from Amphion Media Works, now out of business. Looked it up on Google and found it to be a LG power board. Posted note to them earlier today and am seeing loss in many different types of products. So I may be out of luck even this late in the hunt. Guess I'll keep hunting or goto electronics class and fix it myself. :):)
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Re: gateway gtw-l30m103 lcd tv
As I check the power supply specs of this TV the power supply of this is internal that's why its also hard to find this power supply even in gateway web site , so I strongly recommend to you to take this to repair center near you so they can replace the power supply and also to check if that is really the problem.
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it is going in shutdown mode due to a defective electronic component, it could also be the power supply check for swollen capacitors (inside the TV) they are small alluminium cans with a plastic shrink with numbers and make printed on them, the tops should be FLAT not rounded (about to burst)
Checking the power supply board,that the board,where the power a/c cord plug into it.Could be dying to be dead capacitors parts.Check the power supply board carefully,look for capacitors parts are bulging or puffing up on it tops.U have all the tools and know basic eclectronic also can do basic soldering.Replaced all these dying to be dead capacitors parts,will solved this problems.Or try website like Ebay.com,to buy a whole refurbish power supply board for the replacement.
Its not a power supply issue, but an issue related to the D-board on your TV. There would be swollen/bulged capacitors on this board. To check this you'll need to remove the back panel of the TV. Check the connections to and from the D-board. Make sure the lamp
connections are fine and ballast is not burnt. Also check if all cooling fans are working. Note--
Please make sure to turn off and unplug the TV for at least 1 hour
(this will drain off current from all components especially capacitors) before
you perform any repairs. Also note that the TV consists of very high voltages
even when it is in OFF condition.
accept the solution if the issue is resolved or else revert for further
assistance. Thanks Rylee