- 43 -
Replace panel
No picture or picture unstable
Turn on power
Check all of wires then turn
on power switch again.
Does power stable?
Check Power BD
Is LED light green/orange?
Check control BD
Is LED status normal?
Check Scalar or replace it
Does crystal work correctly?
Check crystal Y1 CKT or
replace it
Is interface BD normally?
Replace interface BD
6. Level 2 Circuit Board and Standard Parts Replacement
6.1. Trouble Shooting Guide
1. No Display or display is unstable:
1.1. Interface Board:
Power off ?
Does cable plugs in
connector?
Yes
No
No
Yes
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Summary of Contents for X193HQ Series
Page 18: ... 18 3 9 Packing ...
Page 39: ... 39 5 4 OSD Operation Guide OSD Function Requirements ...
Page 40: ... 40 ...
Page 41: ... 41 ...
Page 42: ... 42 Remark Acer logo must be appeared while power on or suspend ...
Page 52: ... 52 Fig 2 Appearance Description ...
Page 53: ... 53 Appendix 3 Control Board ...
Page 54: ... 54 Appendix 4 Power Board ...
Page 55: ... 55 ...
Page 56: ... 56 Appendix 5 Interface Board ...
Page 57: ... 57 ...
Page 58: ... 58 ...
