No screen | CHK PWR |
handle | |
(2) | REF: power |
| flow |
|
YES
CHK U5
SOFTWARE 、KEY PAD
NORMAL
LED always ON or always OFF when power on ok ?
NO
CHK
CN5 PIN18、20、30
NO
YES
ABNORMAL
NO
U4
SCALER
CHK Panel | |||
Backlight | |||
|
|
| |
| OK | ||
NG |
|
| |
CHK U4 | |||
| |||
| PIN 110、111 | ||
|
|
| |
CHK
U11、Q10、
NG
15PIN
NG
INPUT/OUTPUT
YES
CHK
CN5 INPUT
REPLACE | OK |
U4 |
RETURN
CHK
SOFTWARE
OR
CHANGE U4
CHK
CHK DE &
CHK R、G、B SIGNAL
YES
CABLE
CHK Panel
CONNECTOR
LT1201 User Manual
16
