LG LS-P0960HL - Louver & Remote Control Failure Diagnosis

YES
YES
NO
YES
Is the IC7 O.K?
Is the voltage of
CN-UP/DOWN NO
1,2 DC12V?
Is the battery
consumption O.K?
Exchange receiver asm
YES
YES
Is DC5V between
1 and 7of CN-DISP
Is the connection
of CN-DISP all right?
NO
NO
NO
Exchange the IC7
Check the step motor and
Connector(CN-UP/DOWN)
NO
Check the P.C.B of DC12V
pattern
Exchange the battery
Check the P.C.B
pattern
Connect CN-DISP
exactly
Possible Trouble 3
: Up/Down Air direction louver does not operate
Possible Trouble 4
: Remotoe controller does not operate
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