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Product System (PS)
C4-425 Trouble Shooting Guide
Subject:
9J.01B75.001
Project Code:
V37X EU
Model Name:
Power On OK?
Backlight OK?
(No full white)
IR Remote
controller, keypad
and LED OK?
OSD Image OK?
No signal?
Audio OK?
Function OK?
Form No: BQY0-0B-003-32(031205)
System Trouble Shooting Flow Chart
1.
Check cable connection between AC socket and power board.
No
2.
Check cable connection between power board and main board.
3.
Check power board +V5S is avaluable or not
Yes
No
1.
Check cable connection between main board and LCD panel
Yes
1.
Check remote controller battery.
No
2.
Check remote controller.
3.
Check wire connection between main board ,keypad and IR
board..
Yes
No
1.
Check cable connection between main board and LCD panel.
Yes
Yes
1.
Check input cable.
2.
Check OSD source set up.
No
No
1.
Check wire between power board and speaker.
2.
Check audio input connection.
Yes
No
1.
Check main board
9J.01B75.BAE
Part No.:
9J.01B75.BAE-C4-425-001
Doc. No.
NA
Component Part. No.:
Marketing Description :
Rev.:
0
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