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Red
Press RCU
SORCE key
blue
Check PW106 Analog/
Digital Input Signal circuit
No Audio output
YES
Check Main Board circuit
All if Voltage
OK
Check Audio
Processor I/O Signal circuit
OK
Check Audio AMP I/O Signal circuit
and MUTE Control Signal
No Video image
LED light Blue
Blue
Check SMP & circuit
All of Voltage
OK
Panem showing image
Blue,black or abnormal picture
abnormal
Check Main Board LVDS
Connector
OK
Check Main board
PW106
Perpheral circuit
Figure 2.NO Video Image
NO
NO
NO
Figure 3.NO Audiio Output Sound
Check SMPS +5V & +12V &
black
Check main board backlight
ADJ,Inverter ON/OFF,Control signal
OK
Check Main Board
LVDS Circuit
OK
Inverter or backlight
failure
Check SMPS +12V & Regula-
tor Circuit
Check Peripheral Circuit
Check Peripheral Circuit
31
Regulator Circuit
OK
Check SMPS Inverter
+24V Voltage
OK
NG
Check SMPS
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