Pioneer SX-LX70SW Service Manual page 34

1
A
E
IC651 (Pin 7)
BCK1
Is there
No
a bit clock
?
Yes
IC101 G14 (R113)
B
Is there
No
a bit clock
?
Yes
IC651 (Pin 4)
FDT1
Is there
No
a audio data
?
C
Yes
IC101 P14 (R121(1))
Is there
No
a audio data
?
Yes
Check the following points when the source is Multi ch.
D
IC101 M13 (R121(2)) SDTI
Is there
No
a audio data
(with Sch source)?
Yes
IC101 M14 (R121(3)) CDTI
E
Is there
No
a audio data
(with Cch source)?
Yes
IC101 L14 (R121(4)) BDTI
Is there
No
a audio data
(with SBch source)?
Yes
F
To Step 6
34
1
2
Is there
No
abnormality at the
parts and patterns
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Is there
No
abnormality at the
parts and patterns
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Is there
No
abnormality at the
parts and patterns
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Is there
No
abnormality at the
parts and patterns
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Is there
No
abnormality at the
parts and patterns
in the path?
IC101 is defective,
Replace the Assy.
Is there
No
abnormality at the
parts and patterns
in the path?
IC101 is defective,
Replace the Assy.
Is there
No
abnormality at the
parts and patterns
in the path?
IC101 is defective,
Replace the Assy.
SX-LX70SW
2
3
Step 5-2: Audio Clock & Data (in the case of SACD
to 1st DSP)
IC651 (Pin 7)
BCK1
No
abnormality at the
Is there clock?
parts and patterns
Yes
IC101 G14 (R113)
No
abnormality at the
Is there clock?
parts and patterns
Yes
IC651 (Pin 4) DSDL0
Is there
No
abnormality at the
a audio data
parts and patterns
(FLch)?
Yes
IC101 P14 (R121(1))
Is there
No
abnormality at the
a audio data
parts and patterns
(FLch)?
Yes
IC651 (Pin 12) DSDR0
Is there
No
abnormality at the
a audio data
parts and patterns
(FRch)?
Yes
IC101 H13 (R114)
Is there
No
abnormality at the
a audio data
parts and patterns
(FRch)?
Yes
F
3
4
Is there
No
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Is there
No
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Is there
No
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Is there
No
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Is there
No
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
Is there
No
in the path?
Replace IC651 or,
when IC101 is defective,
Replace the Assy.
4