12 Pin (Power Board ↔ Main Board)
SMAW200-H12S5K
1 Power on 2 PDIM #2
3 GND 4 D13V
5 D13V 6 D13V
7 A13V 8 A13V
9 GND 10 GND
11 DRV_ON 12 PDIM #1
Checking order when there is no audio
① Check the contact condition or A13V connector of Main Board
② Measure the A13V input voltage supplied from Power Board
(If there is no input voltage, remove the cable 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.
Standard Repair Process Detail Technical Manual
Voltage and speaker checking method
when there is no audio
C. Audio error_No audio/Normal video
<ALL MODELS>
A25
Established
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