Pioneer CDX-M8127ZT/WL Service Manual page 65

Audio system cd changer
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5
7.2 IC
- Pin Functions (PD5765B)
Pin No.
Pin Name
1
VDIN
2
NC
3
IEIN
4
IEOUT
5
IEPW
6
XA0
7
XSCK
8
XSO
9
XSI
xstb
10
xrst
11
12,13
NC
asens
14
bsens
15
16,17
NC
18
ANSW
19-21
NC
ejsw
22
mag
23
dclose
24
reset
25
26
POWER
27
CONT
28
XIN
29
XOUT
30
VSS
31-54
NC
55
CDCNT
ejled
56
57
SYSMUT
58
MIRR
59
LOCK
60
FOK
61
AUDPW
swvdd
62
63
VMCNT
64
NC
65
I13
66
I2
67
I4
cdmute
68
adena
69
testin
70
71
VCC
72
VREF
73
AVSS
74,75
NC
76
DISK
77
ELVPVO
78
ELVREF
79
MSW
80
TEMP
5
6
I/O
Format
Function and Operation
I
Power supply short sense input
Not used
I
AVC-LAN data input
O
C
AVC-LAN data output
O
C
AVC-LAN driver power supply control output
O
C
LSI data detect signal output
O
C
LSI clock output
O
C
LSI data output
I
LSI data input
O
C
LSI strobe data output
O
C
LSI reset output
Not used
I
ACC power sense input
I
Back up power sense input
Not used
O
C
Analog switch output
Not used
I
Eject key switch interrupt input
I
Magazine lock switch interrupt input
I
Door close switch input
I
Reset input
O
C
VD control output
O
C
Servo driver power supply control
I
Crystal oscillating element connection pin
O
Crystal oscillating element connection pin
GND
Not used
O
C
CD +5V control output
O
C
Eject key illumination control output
O
C
System mute control output
I
Mirror detector input
I
Spindle lock detector input
I
FOK signal input
O
C
ANSW power supply control output
O
C
Mute circuit power supply control output
O
C
VM voltage control output
Not used
O
C
Motor driver control output
O
C
Motor driver control output
O
C
Motor driver control output
O
C
CD mute output
O
C
A/D converter refrence voltage control output
I
Test program mode input
VDD (Back up 5V)
I
A/D converter reference voltage input
A/D converter GND
Not used
I
Disc detector input
I
Voltage input from ELV position sense
I
ELV reference voltage input
I
Disc detect timing input and tray position sense input
I
Temperature detector
CDX-M8127ZTWL
6
7
Format
Meaning
C
C MOS
7
8
A
B
C
D
E
F
65
8

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