Envision H976WDL Service Manual page 36

3. DIM
DIM (image overlap, focus or flicker)
Reset in factory mode
NG
Set to the optimal
frequency, select the
recommended frequency
NG
Readjust the phase and pixel
clock in the user mode
NG
Pull out signal cable and
check "Self Test Feature
Check" is ok?
NG
Replace the main board
NG
Replace the panel
OK
OK
OK
OK
OK
NG
OK
36
The end
The end
The end
Check the signal cable
and the PC
The end