AOC 2036Va Service Manual page 38

(2). No Picture
No picture
Check U701 Vout=3.3V
U703 Vout=1.8V
NG
OK
Check CN701,U701,U703
X401 oscillate waveforms are normal
OK
NG
Replace X401
Check if the Hsync signal from CN101 is normally
Input the sync signal of computer,
NG
OK
or change the cable
Replace U401
38