HannStar HQ171D Service Manual page 49

H a n n S t a r D i s p l a y C o r p .
Document Title
Document No.
White screen
Check Correspondent
component.
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed,distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
HQ171D_XY _HSM
White screen
Measure Q708 base
is high level?
OK
Check Q706, Q704
broken or CN101 solder?
NG
OK
Replace PANEL
NG
X401
waveform is normal
OK
is
Check reset circuit of
U401 is normal
OK
Replace U401
Page No. 49
Revision
oscillate
NG
Replace X401
NG
Check Correspondent
component.
49 / 87
07/08/09