H a n n S t a r D i s p l a y C o r p .
Document Title
HQ171D_XY _HSM
Page No.
48
48 / 87
Document No.
Revision
07/08/09
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No picture (LED orange)
No picture
The button if under
control
X401 oscillate
waveform is normal
Replace X401
Measure U702 PIN2=3.3V;
D701(-)=1.8V
NG
NG
Check reset circuit of
U401 is normal
