①
②
Voltage and speaker checking method
when there is no audio
Checking order when there is no audio
1. Check the contact condition of or 20V connector of Main Board.
2. Measure the 13.2V output voltage from Power Board.
(If there is no input voltage, remove and check the connector.)
3. Connect the speaker terminal and if you hear the ‘Chik~ Chik~’ sound when you
touch the GND and output terminal, the speaker is normal.
P201
P202
SK100
P251
P251
Standard Repair Process Detail Technical Manual