Asus MM19T Service Manual page 36

No picture (LED orange)
No picture
The button if
under control
OK
Measure U201 PIN2=1.8V
U202 PIN2=3.3V
NG
OK
X401 oscillate
waveform is normal
OK
Check HS/VS from
Replace U401
CN301is normal
OK
Replace U401
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NG
waveform is normal
Check reset circuit of
U601 is normal
Replace
U201, U202
NG
Replace X401
NG
Check Correspondent
component
X601 oscillate
OK
OK
Replace U601
36
ASUS MM19T
NG
Replace X601
NG
Check Correspondent
component