Pioneer VSX-2016AV-S Service Manual page 213
Audio/video multi-channel receiver
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Also See for VSX-2016AV-S:
- Operating instructions manual (79 pages) ,
- Service manual (272 pages)
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QQ
3 7 63 1515 0
M
CN951 (Pin 14)
Is the clock
signal output while the
voltage at DICS3
is 0 V?
Yes
IC101 (Pin 127)
Is the clock
signal output while the
voltage at DICS3
is 0 V?
Yes
IC101 (Pin 126)
Is the clock
signal output while the
voltage at DICS3
is 0 V?
Yes
TE
L 13942296513
CN951 (Pin 13)
Is the clock
signal output while the
voltage at DICS3
is 0 V?
Yes
It is very difficult to diagnose
which part is in failure.
Step 9: 2nd DSP
CN951 (Pin 11)
Is the voltage
3.3 V?
Yes
IC201 (Pin 47)
Is the voltage
3.3 V?
www
Yes
Is the
voltage of D2RST
.
maintained in 3.3V?
(Does it fall to become
0V periodically?)
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For the following diagnosis, a digital
oscilloscope must be used.
DSDI3
No
Check the path to the
microcomputer.
No
Check the parts and patterns
in the path.
DSDO3
No
The 1st DSP or the communication
path is in failure.
No
Check the parts and patterns
in the path.
D2RST
No
Check the path to the microcomputer.
No
Check the parts and patterns
in the path.
x
ao
u163
y
No
The 2nd DSP or the communication
i
path is in failure.
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2 9
8
CN951 (Pin 10)
Does the logic
of D2CS periodically
become 3.3 V or
0 V?
Yes
IC201 (Pin 37)
Does the logic
of D2CS periodically
become 3.3 V or
0 V?
Yes
CN951 (Pin 12)
Is the clock
signal output while the
voltage at D2CS
is 0 V?
Yes
IC201 (Pin 36)
Q Q
3
6 7
1 3
1 5
Is the clock
signal output while the
voltage at D2CS
is 0 V?
Yes
CN951 (Pin 14)
Is the clock
signal output while the
voltage at D2CS
is 0 V?
Yes
IC201 (Pin 34)
Is the clock
signal output while the
voltage at D2CS
is 0 V?
Yes
IC201 (Pin 35)
Is the clock
signal output while the
co
voltage at D2CS
is 0 V?
.
Yes
N
VSX-2016AV-S
7
8
9 4
2 8
For the following diagnosis, a digital
oscilloscope must be used.
D2CS
No
Check the path to the
microcomputer.
No
Check the parts and patterns
in the path.
DSCLK3
No
Check the path to the
microcomputer.
0 5
8
2 9
9 4
2 8
No
Check the parts and patterns
in the path.
DSDI3
No
Check the path to the
microcomputer.
No
Check the parts and patterns
in the path.
DSDO3
m
No
The 2nd DSP or the communication
path is in failure.
9 9
A
B
C
9 9
D
E
F
213
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Table of Contents
Troubleshooting
