When The Up/Down, Left/Right, Grill Louver Motor Does Not Operate - Samsung AR12TVEAAWKNAP Service Manual

10-2-15 When the Up/Down, Left/Right, Grill louver motor does not operate (Initial Diagnosis)
(Not displayed)
1. Checklist :
1) Is the input power voltage normal?
2) Is the Up/Down louver motor properly connected with the connector? (CN61, CN62, CN63)
2. Troubleshooting procedure
Unplug the power cord and plug it after
30seconds later.
Is the lamp blinking?
YES
Is the connected louver wire?
YES
Does operation start when swing button of the
remote control unit pushed?
NO
Is the voltage changeable at the pin#2~#5 of
CN61,CN62, CN63
(louver connector)?
YES
Up/Down louver motor is faulty.
Check the as in the procedure.
NO
No power.
NO
Connect the wire PBA to louver motor
YES
Normal
NO
Exchange the PBA
74