Samsung UE46F6500 no standby light, does not turn on

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Dirt
Posts: 1
Joined: Sun May 15, 2016 8:10 am

Samsung UE46F6500 no standby light, does not turn on

Post by Dirt » Tue May 17, 2016 7:11 pm

Hi Forum!

I have a problem with the above mentioned TV. It has no standby light and does not turn on. There's no visual damage on the power supply panel, the fuse is ok.
When I unplug the mainboard the PS_ON/OFF pin produces 3.3V and the backlight turns on.

What could be the problem?
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pavlik1
Posts: 4
Joined: Fri Oct 28, 2016 12:40 pm

Re: Samsung UE46F6500 no standby light, does not turn on

Post by pavlik1 » Fri Oct 28, 2016 12:53 pm

Hello

Exactly the same problem. TV is UE50F6470

I was in service menu, then the menu froze. after few minuter I disconnected the power of the TV.

After that, no standby light and no any response to buttons from the back of TV or remote control.

I am attaching the content of IC901, Atmel 24C512

The only present voltage from the PSU is A5V

The hardware buttons are getting 5 and 3.3V,

Any solution how to power on the TV?
Shall I try to send PSU ON signal manually in order to power on PSU and power the main board?

https://mega.nz/#!1wVDTChY!82DdqygJMFhN ... 6DC7jQS-mk

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