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<External input D-SUB>No picture on the display (8) 
Does not the picture display when VGA cable plugged into D-SUB ? 
Is Video format correct? 
Set the timing which TV is support 
NO
Terminal 
Is R/G/B/H/V signal sent to pin (1)/RED, (2)/Green, 
(3)/BLUE, (14)/H sync#, (13)/V sync# of VGA 
Is R/G/B/H/V signal sent to pin (32)/RED, 
(30)/Green, (28)/BLUE, (27)/H sync#, (26)/V sync# 
YES
Main UNIT: 
YES
Refer to “The picture doesn't appear in all modes.” 
Check the setting of an external input device that 
connects of CN1101 
NO
Check the line between IC U2102 and CN1101. 
NO
YES