Pioneer AVX-P7300DVD Service Manual page 103

2No power
F801(fuse) is broken out?
Yes
18.5V is obtained at TP02?
Yes
-12V is obtained at TP05?
Yes
3.3V is obtained at TP07?
Yes
Input voltage 9Vis obtained at Pin-5 of Q803?
Yes
Switching wave are obtained at Pin-1 of Q803?
Yes
7.5V is obtained at TP03?
Yes
5.3V is obtained at TP04?
Yes
Check C801.
Replace F801.
No
Check 18.5V line to remove short-circuits.
No
(CN003 ,R017 ,Q003 and their periphery.
Check -12V line to remove short-circuits.
No
(Q502 ,Q505 ,Q501 and their periphery.
Check 3.3V line to remove short-circuits.
No
(CN003 ,Q005 ,Q003 and their periphery.
Check F801 , input flexible cables,
and their periphery.
No
Check Q803 , T801 and their periphery.
No
Check Q802 and its periphery.
No
Check Q801 , VR801 and their periphery.
No
AVX-P7300DVD
103