Lenovo Y27g RE Service Manual page 51

3. DIM
DIM (image overlap, focus or flicker)
recommended frequency
Readjust the phase and
Replace the main board
Reset in factory mode
NG
Set to the optimal
frequency, select the
NG
pixel clock in the user
NG
Pull out signal cable
and check "Self Test
Feature Check" is ok?
NG
NG
Replace the panel
OK
OK
The end
OK
The end
OK
OK
Check the signal cable
and the PC
NG
OK
51
The end
The end