Lenovo Y27g RE, Service Manual, Page: 51 / 108

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