Manual - Pioneer CDX-FM677/X1N/UC Servise Manual

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- Pin Functions (PD5639A)
Pin No. Pin Name
1 PLDT
2 PLCK
adena
3
4–7 NC
8 BYTE
9 CNVSS
10 POWER
11 CONT
reset
12
13 XOUT
14 VSS
15 XIN
16 VCC
nmi
17
bsens
18
asens
19
20–22 NC
23 DISPPW
24–26 NC
27 SIMUKE
28–30 NC
31 DPDT
32 KYDT
33 NC
testin
34
35 XSO
TE
L 13942296513
36 XSI
37 XSCK
38 M6M12
39–46 NC
47 SYSPW
48 NC
49 XAO
xstb
50
xrst
51
52 NC
53 LOCK
54 FOK
55–61 NC
62 VCC
63 NC
64 VSS
65–69 NC
70 A2 & (EPSK)
71 A1 & (EPDI)
72 A0 & (EPDO)
asensfm
73
ejsw
74
mag
75
76 CDMUTE
77 NC
78 I13
www
79 I2
80 I4
81–88 NC
89 PREN
.
90 PLCS
91 DSP
http://www.xiaoyu163.com
I/O Format
O C
O C
O C
I
I
O C
O C
I
O
I
I
I
I
O C
I
O C
I
I
O C
I
O C
I
O C
O C
O C
O C
I
I
O C
I
O C
I
I
I
O C
O C
O C
O C
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O C
i
O C
I
http://www.xiaoyu163.com
2 9
8
Function and Operation
PLL data output
PLL clock output
A/D reference voltage output
Not used
VCC joint
VSS joint
CD +5V control output
Servo driver output control
Reset input
Crystal oscillating element connection pin
GND
Crystal oscillating element connection pin
VDD
Pull up
Back up power sense input
Pull up
Not used
Key/Display microcomputer supply control
Not used
"L"
Not used
Display data output
Key data input
Not used
Test program mode input
CD LSI data output
Q Q
3 6 7 1 3 1 5
CD LSI data input
CD LSI clock output
6/12 disc select input
Not used
System power supply control output
Not used
CD LSI data discernment control signal output
CD LSI strobe output
CD LSI reset output
Not used
Spindle lock detector input
FOK signal input
Not used
VDD
Not used
GND
Not used
(E2PROM clock output)
(E2PROM data input)
(E2PROM data output)
Select FM="ASENS"
Eject key switch interrupt input
Magazine lock switch interrupt input
CD mute output
Not used
Motor driver control output
Motor driver control output
Motor driver control output
co
Not used
Preemphasis select output
.
PLL chip select output
DISC detect timing input
CDX-FM677,FM673
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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