Pioneer Elite VSX-81TXV, Руководство по обслуживанию

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