Samsung AR09KSWSJWKNCV Service Manual page 112

10-2-28 When the remote control is not receiving
1. Checklist :
1) Check if the connector was normally assembled.
2) Check the battery in remote control
3) All the lights out and check again : Change electronic typed to a fluorescent light
4) Put the set in operation and check the voltage of display PBA
5) Replace the display PBA
10-34 Samsung Electronics