Trouble Diagnoses And Repair By Symptom - LG LDT7797 Series Service Manual

7-3. TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM

No Power on when the power button pressed.
The Power connection
is correctly connected.
YES
The Fuse or
Circuit Breaker
of house is O.K?
YES
The Power Switch or
the Circuit is O.K?
YES
C h e c k t h e C o n t r o l l e r. ( P o w e r C i r c u i t )
• Re-connect the power connection.
NO
• Was there a power failure?
NO
• Replace the Fuse or Circuit Breaker of house.
NO
• Check the Power Switch or the circuit and repair it.
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For Authorized Service Technicians