BenQ BL2423PT Product Service Manual – Level Ii page 84

DIM
DIM (image overlap, focus or flicker)
Reset in factory mode
Set to the optimal
frequency, select the
recommended frequency
Readjust the phase and pixel
clock in the user mode
Pull out signal cable and
check "Self Test Feature
Replace the main board
Replace the panel
NG
NG
NG
Check" is ok?
NG
NG
OK
OK
The end
OK
The end
OK
The end
OK
Check the signal cable
and the PC
NG
OK
The end
84