Pioneer VSX-2016AV-S Service Manual page 211

5
K
IC401 (Pin 4)
Is there No
abnormality at the
a LR clock
parts and patterns
?
in the path?
Yes
IC201 (Pin 77) BCKO
Is there
No
abnormality at the
a bit clock
parts and patterns
?
in the path?
Yes
IC401 (Pin 2)
Is there No
abnormality at the
a bit clock
parts and patterns
?
in the path?
Yes
IC201 (Pin 7) FDTO
Is there
No
abnormality at the
a audio data
parts and patterns
?
in the path?
Yes
IC401 (Pin 3)
Is there
No
abnormality at the
a audio data
parts and patterns
?
in the path?
Yes
IC401 (Pins 25,24) FLO, FRO
Check the parts and patterns
Is there
No
a analog audio (short-circuit) in the path including
output?
the DSP assy and others.
Yes
Is there a
No Check the parts and patterns
analog audio output
in the path on the DSP assy.
at CN402-pins 7
and 5?
Yes
Is not
No
there poor contact
Replace CN402.
in CN402-pins 7
and 5?
Yes
5
6
Is there
No
Replace IC401.
Is there
No
Failure in 2nd DSP block,
Go to Step 9.
Is there
No
Replace IC401.
Is there
No
Failure in 2nd DSP block,
Go to Step 9.
Is there
No
Replace IC401.
No
Replace IC401.
VSX-2016AV-S
6
7
Check the following points when the source is
compression or DVD-A.
IC201 (Pin 6) SDTO
Is there
No
abnormality at the
a audio data
parts and patterns
(with Sch source)?
Yes
IC401 (Pin 9)
Is there
No
abnormality at the
a audio data
parts and patterns
(with Sch source)?
Yes
IC201 (Pin 5) CDTO
Is there
No
abnormality at the
a audio data
parts and patterns
(with Cch source)?
Yes
IC401 (Pin 10)
Is there
No
abnormality at the
a audio data
parts and patterns
(with Cch source)?
Yes
IC201 (Pin 4) BDTO
Is there
No
abnormality at the
a audio data
parts and patterns
(with SBch source)?
Yes
IC401 (Pin 11)
Is there
No
abnormality at the
a audio data
parts and patterns
(with SBch source)?
Yes
IC401 (Pins 22,21) SLO, SRO
Is there a
Check the parts and patterns
No
analog audio output
(short-circuit) in the path including
(with Sch source)?
the DSP assy and others.
Yes
L
7
8
Is there
No
in the path?
Failure in 2nd DSP block,
Go to Step 9.
Is there
No
in the path?
Replace IC401.
Is there
No
in the path?
Failure in 2nd DSP block,
Go to Step 9.
Is there
No
in the path?
Replace IC401.
Is there
No
in the path?
Failure in 2nd DSP block,
Go to Step 9.
Is there
No
in the path?
Replace IC401.
No
Replace IC401.
8
A
B
C
D
E
F
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