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Acer X193HQ - 6 Level 2 Circuit Board and Standard Parts Replacement; Trouble Shooting Guide

Acer X193HQ
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Replace panel
No picture or picture unstable
Turn on power
Check all of wire
s
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

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