TROUBLESHOOTING GUIDE
E-4
No CVBS/SVIDEO Picture
Replace Input PCB
Yes
No
Replace Main PCB
Check
if SVIDEO/CVBS
signal of U3 is normal
Replace connec w
ire
No
Check
if SVIDEO/CVBS
signal of U9 pin54,53
is normal
No HDMI
Replace connection
Yes
Yes
Yes
No
Check
if signal of
JN2 is normal
Replace U35 or U14
No
Check
if v
oltage of
U35,U14 pin8 is normal
Replace U9
Yes
No
Replace Main PCB
Check
if signal of
U9 pin 14,15 is normal