Lg 32le5500

[netsecrets00]

I was playing Movie on LG 32Le5500 from USB. Everything was working fine. Suddenly picture was started getting dim so as sound. After few seconds no display and no sound from TV.

Basic troubleshooting done. Measured voltages on power board. I am not getting any reading on DRV-ON pin.

Pl help for troubleshooting. Thanks in advance.

[sordids999]

Re: Lg 32le5500

Posting pictures of the back of your tv showing the boards with clear pictures may help you more with fixing your problem

[netsecrets00]

Re: Lg 32le5500

Pl find the images as requested

[newtothis]

Re: Lg 32le5500

Loss of sound and loss of backlight says Main... BUT.... I have dealt with these PSU's before and the LED driver IC goes bad a lot which puts the set into protection mode.

So we need to get main disconnected from the PSU and jumper the PWR_ON and DRV_ON to a 3.3v pin each with ~500ohm resistors to make sure it isn't the PSU at fault

[netsecrets00]

Re: Lg 32le5500

Thanks for the reply newtothis

Can you explain in detail how to jumper the resistors with 3.3V... If any of the cables from PS board to main board needs to be removed?