VSX-1015-K
127
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Replace IC952
C
Pin 9
Does
it convert
3V into 5V for
11 pin input?
No
Yes
Replace IC952
Pin 12
Does
it convert
3V into 5V for
8 pin input?
No
Yes
Replace IC952
Pin 14
Does
it convert
3V into 5V for
6 pin input?
No
Yes
Replace IC952
Pin 16
Does
it convert
3V into 5V for
4 pin input?
No
Yes
Replace IC952
Pin 18
Does
it convert
3V into 5V for
2 pin input?
No
Yes
End
IC802
End
Is
pin 2 20MHz
outputting
it ?
Replace IC802 or X801
No
Yes
Step 5: X'tal