isymphony issues

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Anyone here good with troubleshooting flat screen tv stuff? I have a power supply HTX-P1420402A in a iSymphony 42" LED set.

Its a LED42if80 model. Knowing this site is based more on audio I thought I mind find someone with a little background with the set.

Its a tinker project since someone gave me their dead set.

Basically the power light is red when plugged into the AC then turns green with pushing the power button.

It has a +5, +12 and +24 volt on the power supply. The standby +5 is good and I get a 3.8 volt return at the on/off when turned on. +5 is present when turned on but no voltage at the +12 and +24 connections. No power at the 4 connectors feeding the LED backlight bars.

I checked for power to the T1 in the center of the supply board and get nothing to the primary side.
 
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