Pioneer Elite VSX-81TXV, Service Manual

Page: 209 / 272

VSX-2016AV-S
209
5 6 7 8
5 6
7
8
C
D
F
A
B
E
I
J
Replace IC291
or IC101.
Replace IC651
or IC101.
Yes
LCK1
IC651 (Pin 12)
No
Is there
a LR clock
?
No
Is there
abnormality at the
parts and patterns
in the path?
Failure in 1st DSP block,
Go to Step 8.
Yes
LCK2
No
Is there
a LR clock
?
No
Is there
abnormality at the
parts and patterns
in the path?
Replace IC101.
IC101 (Pin 79)
No
No
Replace IC651
or IC101.
Yes
IC101 (Pin 88)
No
Is there
a LR clock
?
No
Is there
abnormality at the
parts and patterns
in the path?
Replace IC651
or IC101.
Yes
BCK1
IC651 (Pin 7)
No
Is there
a bit clock
?
No
Is there
abnormality at the
parts and patterns
in the path?
Replace IC651
or IC101.
Yes
IC101 (Pin 89)
No
Is there
a bit clock
?
No
Is there
abnormality at the
parts and patterns
in the path?
Replace IC651
or IC101.
Yes
FDT1
IC651 (Pin 4)
No
Is there
a audio data
?
No
Is there
abnormality at the
parts and patterns
in the path?
Replace IC651
or IC101.
Yes
IC101 (Pin 78)
No
Is there
a audio data
?
No
Is there
abnormality at the
parts and patterns
in the path?
SDTI
MCLK
Yes
To Step 6
Yes
IC101 (Pin 94)
No
No
Is there
abnormality at the
parts and patterns
in the path?
Is there
a master clock
(24.576 MHz)?
Replace IC291.
Yes
IC291 (Pin 4)
No
No
Is there
abnormality at the
parts and patterns
in the path?
Is there
a master clock
(24.576 MHz)?
MCK2
Replace IC201.
Yes
IC201 (Pin 73)
IC101 (Pin 86)
No
No
Is there
abnormality at the
parts and patterns
in the path?
Is there
a master clock
(24.576 MHz)?
Replace IC291
or IC201.
Yes
IC291 (Pin 6)
No
No
Is there
abnormality at the
parts and patterns
in the path?
Is there
a master clock
(24.576 MHz)?
Is there
abnormality at the
parts and patterns
in the path?
Step 6: Audio Clock (2nd DSP from 1st DSP)
Check the following points when the source is DVD-A.
Is there
a audio data
(with Sch source)?
Replace IC101.
IC101 (Pin 80)
No
No
CDTI
Yes
Is there
abnormality at the
parts and patterns
in the path?
Is there
a audio data
(with Cch source)?
Replace IC101.
IC101 (Pin 81)
No
No
BDTI
Yes
Is there
abnormality at the
parts and patterns
in the path?
Is there
a audio data
(with SBch source)?