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