The ideal would be to get the schematic diagram of the main code board EAX56856906 (0)
I know the tv power board is working fine, no problem. The supply voltages of 3.3v, 5V, 12, 24v are correct.

When I switch the tv on it is already on standby same by pressing the on / off button. The light on the front panel is always red.

Is there any website or forum to get schematic of Samsung or LG tv?

Mastera treba klykaty.

Schemes no one will give, they are available to specialists of service centers, they also produce and repair.

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Сообщение от eletmoraes

The ideal would be to get the schematic diagram of the main code board EAX56856906 (0)
I know the tv power board is working fine, no problem. The supply voltages of 3.3v, 5V, 12, 24v are correct.

When I switch the tv on it is already on standby same by pressing the on / off button. The light on the front panel is always red.

Is there any website or forum to get schematic of Samsung or LG tv?

Did you measure voltage on processor of motherboard?