Iiyama PLE1902S Service Manual page 34

19" LCD Color Monitor
No Picture
Check the signal cable
Measure U703 PIN2=3.3V
U701 PIN2=1.8V
Measure X401 oscillate
waveform is normal
Check HS/VS from CN405
is normal
No picture
OK
OK
OK
OK
Replace U401
NG
Change the signal cable
NG
Replace U701, U703
NG
Replace X401
NG
Check Correspondent
component
34
Iiyama PLE1902S