1. Press the MENU button on the remote controller
2. Select the AUDIO function of the Menu
3. Select TV Speaker from Off to On
CLICK ON THE PICTURES TO ZOOM IN
Voltage and speaker checking method when there is no audio.
1. Check the contact condition of or24V connector of Main Board
2. Measure the 24V input voltage supplied from Power Board. (If there is no input voltage, remove and check the connector)
3. Connect the tester RX1 to the speaker terminal and if you hear the “Chik Chik” sound when you touch the GND and output terminal, the speaker is normal.
Remote controller operation checking method
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.3V on the terminal 6.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog Tester needle moves slowly, and defective when it does not move at all.
