4 Trouble Shooting Guide
The maintenance diagram only used to board level repair
ˈ
ifyou want to
the further maintenance,please connect design department
DŽ
Not opening machine
˖
No picture
LCD is not bright
Power
light
Are there 5V
power supply
output
Not bright
red
Are there 12V
power supply
output
No
Are the power
ON/OFF signal
normal
Yes
Change power
board
No
Change main
board
Yes
Change power
board
No
Yes
