BenQ Q7T3-FP737S User Manual

Q7T3-FP737S Dual function LCD Monitor Service Guide
Trouble Shooting
5
Confidential
5. DVI_BD
DVI No picture or picture unstable
Power off Yes Turn on power
No
Does cable plugs in No Check all of wire then turn on power
connector? switch again.
Yes
Does power stable? No Check Power BD
Yes
Is LED light green/orange? No Check control BD
Yes
Is LED status normal? No Check MCU(U4) or replace it
Yes
Does crystal work correctly? No Check crystal Y2 CKT or replace it
Yes
Is DVI BD normally? No Replace DVI BD
Yes
Replace panel

BenQ Q7T3-FP737S Specifications

General

Brand	BenQ
Model	Q7T3-FP737S
Category	Monitor
Language	English