Sony HS75 Service Manual page 39

No picture (LED orange)
No picture
Measure U301 PIN2=1.8
U302 PIN2=3.3V
OK
X201 oscillate
waveform is normal
OK
Hs, Vs input signal are
normal?
OK
Replace U201
NG
Replace U301, U302
NG
Replace X201
NG
Check Correspondent
component.
39
HS75 Sony