Pioneer VSX-94TXH Service Manual page 34

1
QQ Step 5
3 7 63 1515 0
W
A
SCK
R121
No
The 1st DSP Block is in failure.
Is there
a bit clock?
Proceed to Step 7.
Yes
u
IC201 (Pins 63, 76)
No
Check the resistors and patterns
Is there
a bit clock?
in the path.
B
Yes
X
R122 LCK
No
Is there
The 1st DSP Block is in failure.
an L/R clock?
Proceed to Step 7.
Yes
v
IC201 (Pins 61, 78)
C
Is there No
Check the resistors and patterns
an L/R clock?
in the path.
TE
L 13942296513
Yes
Y
R123
DATA
Are there No
The 1st DSP Block is in failure.
data coming
Proceed to Step 7.
in?
D
Yes
Y
IC201 (Pin 1)
Are there No
Check the resistors and patterns
data coming
in the path.
in?
Yes
To Step 6
E
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2
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VSX-94TXH
2
http://www.xiaoyu163.com
3
Step 6
8
Z
SCK
R206
No
Is there
a bit clock?
Yes
a
CN402 (Pin 10)
No
Is there
a bit clock?
Yes
b
R208 LCK
No
Is there
an L/R clock?
Yes
c
CN402 (Pin 8)
No
Is there
an L/R clock?
Yes
d
Q Q
3 6 7 1 3
R221
DATA
No
Are there
data coming
in?
Yes
e
CN402 (Pin 12)
Are there
No
data coming
in?
Yes
Check the paths in the DIGITAL MOTHER Assy.
u163
.
3
4
2 9 9 4 2 8
The 2nd DSP Block is in failure.
Proceed to Step 8.
Check the resistors and patterns
in the path.
The 2nd DSP Block is in failure.
Proceed to Step 8.
Check the resistors and patterns
in the path.
1 5 0 5 8 2 9 9 4
The 2nd DSP Block is in failure.
Proceed to Step 8.
Check the resistors and patterns
in the path.
m
co
4
9 9
2 8 9 9