Pioneer VSX-84TXSi Service Manual page 243

5
Step 5
d
SCK
R117
No
The 1st DSP Block is in failure.
Is there
a bit clock?
Proceed to Step 7.
Yes
T
IC201 (Pins 63, 76)
No
Check the parts and patterns
Is there
a bit clock?
in the path.
Yes
e
R116 LCK
No
Is there
The 1st DSP Block is in failure.
an L/R clock?
Proceed to Step 7.
Yes
T
IC201 (Pins 61, 78)
Is there No
Check the parts and patterns
an L/R clock?
in the path.
Yes
f
R111
DATA
Are there
No
The 1st DSP Block is in failure.
data coming
Proceed to Step 7.
in?
Yes
T
IC201 (Pin 59)
No
Are there
Check the parts and patterns
data coming
in the path.
in?
Yes
To Step 6
5
6
Step 6
T
IC201 (Pin 77)
Is there
a bit clock?
T
IC201 (Pin 62)
Is there
a bit clock?
g
CN352 (Pin 10)
Is there
a bit clock?
T
IC201 (Pin 79)
Is there
an L/R clock?
T
IC201 (Pin 60)
Is there
an L/R clock?
h
CN352 (Pin 8)
Is there
an L/R clock?
T
IC201 (Pin 7)
Are there
data coming
in?
j
CN352 (Pin 12)
Are there
data coming
in?
Check the paths in the DIGITAL MOTHER Assy.
VSX-74TXVi
6
7
SCK
No
The 2nd DSP Block is in failure.
Proceed to Step 8.
Yes
No
Check the parts and patterns
in the path.
Yes
No
Check the parts and patterns
in the path.
Yes
LCK
No
The 2nd DSP Block is in failure.
Proceed to Step 8.
Yes
No
Check the parts and patterns
in the path.
Yes
No
Check the parts and patterns
in the path.
Yes
DATA
No
The 2nd DSP Block is in failure.
Proceed to Step 8.
Yes
No
Check the parts and patterns
in the path.
Yes
7
8
A
B
C
D
E
F
197
8