Pioneer VSX-2016AV-S Service Manual page 210

1
A
J
IC201 (Pins 60,78)
Is there No
a LR clock
?
Yes
IC101 (Pin 87) BCK2
B
Is there
No
a bit clock
?
Yes
IC201 (Pins 62,76)
Is there No
a bit clock
?
C
Yes
IC101 (Pin 64) DT0O
Is there
No
a audio data
?
Yes
IC201 (Pin 1)
Is there
D No
a audio data
?
Yes
Check the following points when the source is
compression or DVD-A.
IC101 (Pin 65) DT10
Is there
No
a audio data
(with Sch source)?
E
Yes
IC201 (Pin 80)
Is there
No
a audio data
(with Sch source)?
Yes
F
210
1
2
Is there
No
abnormality at the
parts and patterns
in the path?
Replace IC201.
Is there
No
abnormality at the
parts and patterns
in the path?
Failure in 1st DSP block,
Go to Step 8.
Is there
No
abnormality at the
parts and patterns
in the path?
Replace IC201.
Is there
No
abnormality at the
parts and patterns
in the path?
Failure in 1st DSP block,
Go to Step 8.
Is there
No
abnormality at the
parts and patterns
in the path?
Replace IC201.
Is there
No
abnormality at the
parts and patterns
in the path?
Failure in 1st DSP block,
Go to Step 8.
Is there
No
abnormality at the
parts and patterns
in the path?
Replace IC201.
VSX-2016AV-S
2
3
Check the following points when the source is
compression or DVD-A.
IC101 (Pin 70) DT20
Is there
No
abnormality at the
a audio data
parts and patterns
(with Cch source)?
Yes
IC201 (Pin 58)
Is there
No
abnormality at the
a audio data
parts and patterns
(with Cch source)?
Yes
IC101 (Pin 71) DT30
Is there
No
abnormality at the
a audio data
parts and patterns
(with SBch source)?
Yes
IC201 (Pin 59)
Is there
No
abnormality at the
a audio data
parts and patterns
(with SBch source)?
Yes
To Step 7
Step 7: Audio Clock (DAC output from 2nd DSP)
IC401 (Pin 5) DARST
Is the
No
voltage of PDN
Check the path to the microcomputer.
input signal
3.3 V?
Yes
IC401 (Pin 1) MCLK
Is there
No
abnormality at the
a master clock
parts and patterns
(24.576 MHz)?
Yes
IC201 (Pin 79) LCKO
Is there
No
abnormality at the
a LR clock
parts and patterns
?
Yes
K
3
4
Is there
No
in the path?
Failure in 1st DSP block,
Go to Step 8.
Is there
No
in the path?
Replace IC201.
Is there
No
in the path?
Failure in 1st DSP block,
Go to Step 8.
Is there
No
in the path?
Replace IC201.
Is there
No
in the path?
Replace IC401.
Is there
No
in the path?
Failure in 2nd DSP block,
Go to Step 9.
4