38
(2). No Picture
No picture
OK
OK
NG
NG
Check CN404, U404, Q410
X401 oscillate waveforms are normal
Replace X401
Check if the Hsync signal from CN101 is normally
Input the sync signal of computer,
or change the cable
Replace U401
NG
OK
Check U404 Vout=3.3V
Q410 Vc=1.8V
