Pioneer XV-DV740 Service Manual page 100

1
*1 : µ-com-port which has sent the signal to IC
IC5501 µ-com port
A
Pin No. Pin Name
No.51 DSPCLK
No.49 DSPDI
No.79 DIRCS
No.78 DIRRST
IC5501 µ-com port
Pin No. Pin Name
No.51 DSPCLK
B
No.49 DSPDI
No.84 DSPSS
No.85 XDSPRST
No.81 DSPMODE
IC5501 µ-com port
Pin No. Pin Name
No.80 DIRDO
No.77 DIRERR
C
CONNECTION DIAGRAM
D
CONTROL ASSY
IC5501 DSPCLK
51
U-com
DSPDI
49
DIRCS
79
D
DIRRST
78
DSPSS
84
XDSPRST
85
DSPMODE
81
DIRDO
80
DSPDO
50
DSPHREQ
82
DECMUTE
86
DIRERR
77
E
* This connection diagram displays the connection between
the U-com, DSP, DIR and CODEC.
The pin order is different from the true assignment.
F
100
1
2
IC8201 DIR port
Pin No. Pin Name
No.34 CCLK
No.33 CDTI
No.35 CSN
No.31 PDN
IC8501 DSP port
Pin No. Pin Name
No.1 SCK
No.143 MOSI
No.2 SS
No.44 RESET
No.137 MODA
IC8201 DIR port
Pin No. Pin Name
No.32 CDTO
No.36 INT0
G
TRADE 3 ASSY
CN5620 CN5618
CN5619
7 7
13
5
5 15
14 14 6
15 15
5
9 9
11
8 8
12
12 12
8
13 13
7
6 6
14
11 11 9
4 4 16
16 16 4
XV-DV740
2
3
IC8401 CODEC port
Pin No. Pin Name
No.42 CCLK
No.43 CDTI
No.41 CSN
No.17 PDN
IC5501 µ-com port
Pin No. Pin Name
No.50 DSPDO
No.82 HREQ
No.86 DECMUTE
CN8011
DSPCLK
13
13
DSPDI
15
DIRCS
6
15
DIRRST
5
DSPSS
11
XDSPRST
12
DSPMODE
8
DIRDO
7
DSPDO
14
DSPHREQ
9
DECMUTE
16
DIRERR
4 12
3
4
IC8501 DSP port
Pin No. Pin Name
No.144 MISO
No.3 HREQ
No.21 PB12 MUTE
C
DSP ASSY
IC8701
SCK
7 1
MOSI
11 9
143
SS
5 2
RESET
17 3
44
MODA
6
14 137
Level MISO
144
Shifter
HREQ
3
IC8702
PB12
16 4 21
18 2
14 6 CCLK
34
CDTI
5 15
33
8
CSN
35
PDN
Level
31
Shifter
CDTO
32
INT0
36
CCLK
42
CDTI
43
CSN
41
PDN
17
4
IC8501
DSP
IC8201
DIR
IC8401
CODEC