BenQ V37X, Product Service Manual, Page: 173 / 192

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