Samsung LED-TV Service Manual.
Service Mode Samsung U63A
Models:
UN40D6400UF;
UN46D6400UF;
UN55D6400UF;
UN40D6420UF;
UN46D6420UF;
UN55D6420UF;
UN40D6450UF;
UN46D6450UF;
UN55D6450UF;
UN32D6500VF;
UN40D6500VF;
UN46D6500VF;
UN55D6500VF;
UN46D6900WF;
UN55D6900WF.
