HannStar HQ171D Service Manual page 53

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. 53 53 / 87
Document No. Revision
07/08/09
11.2.3 Key Board
OSD is unstable or not working
N
Is Key Pad Board connecting normally? Connect Key Pad Board
Y
N
Replace Button Switch
Is Button Switch normally?
Y
N
Replace Key Pad Board
Is Key Pad Board normally?
Y
Check Main Board
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.