Pioneer VSX-2016AV-S Service Manual page 205

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E
IC601 (Pin 5)
Is there
a bit clock
input?
Yes
IC651 (Pin 5)
Is there
a bit clock
input?
Yes
To Step 5
Step 4-2: When a sound is not out with the analog
signal input
IC481 (Pins 1,2)
Is there
TE
a analog input
L 13942296513
signal?
Yes
IC601 (Pin 1)
Is the voltage
0 V?
Yes
IC651 (Pin 1)
Is the voltage
www
0 V?
Yes
.
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• : KUXJ and KUXJCA types only
Is there
No
No
abnormality at the
parts and patterns
in the input path?
Replace IC301
or IC651.
Is there
No
No
abnormality at the
parts and patterns
in the input path?
Replace IC301
(IC601) or IC651.
RIN, LIN
Can
No No
observe the analog
input signal at
CN402-pins 1, 3?
Yes
Check the parts and patterns
in the path on the DSP Assy.
Is not
No
there poor contact
of CN402-pins
1,3?
Replace CN402.
Yes
Check the analog signal path
of the main unit.
XMSW3
No
Check the path to the microcomputer.
HDSW
No
Check the path to the microcomputer.
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8
IC481 (Pin 11)
Is there
a master clock
input?
(24.576 MHz)
Yes
of PDN input signal
Q Q
3 6 7 1 3 1 5
IC601 (Pin 11)
Is there
a master clock
input?
(24.576 MHz)
Yes
IC651 (Pin 11)
Is there
a master clock
input?
(24.576 MHz)
Yes
IC481 (Pin 10)
Is there
a LR clock
input?
Yes
co
.
F
VSX-2016AV-S
7
9 4 2 8
DIRM
Is there
No
No
a DIRM output
of IC301-pin 23
?
Yes
Check the parts and
patterns in the input path.
Is the voltage
No
at IC301-pin 31
5 V?
Check the path to
the microcomputer.
Yes
Is the
Does the
No
DRERR3 output
IC301-pin 29
of IC301-pin 36
XTO oscillate?
0 V?
No
If there is not failure of a pattern,
replace IC301 or IC481 or IC651
(IC601).
0 5 8 2 9 9 4 2 8
Is there
No
No
abnormality at the
parts and patterns
in the input path?
Replace IC301
or IC601.
Is there
No
No
abnormality at the
parts and patterns
in the input path?
Replace IC301
(IC601) or IC651.
DIRL
Is there
No
No
a DIRL output
of IC301-pin 24
?
Yes
Check the parts and
patterns in the input path.
m
Replace IC301 or IC481 or IC651
(IC601).
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9 9
A
B
C
9 9
D
E
F
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