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Kenwood CKDC-MP572V Service Manual page 7

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MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No.
Pin Name
40
PS2 0
41
PS1 0
42
PS1 1
43
PS1 2
44
PON 5
45
NC
46
PON CD
47
CD DISC12 SW
48
CD MUTE R
49
NC
50
CE MRST
51
CD DISC8 SW
52
CD LOS SW
53
CD MUTE L
54
NC
55
CD MSTOP
56
CD LOE LIM SW
TE
57
CD LOEJ
L 13942296513
58
CD MOTOR
59
DSI
60
RESET
61
NC
62
KEY REQ
63
RDS CLK
64
LX REQ S
65
REMO
66
NC
67
VSS0
68
VDD1
69
X2
70
X1
71
TEST
72
XT2
73
XT1
74
VDD0
75
AVDD
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76~78
TYPE0~2
79,80
TUN TYPE0,1
.
I/O
O
Power supply IC control terminal
O
Power supply IC control terminal
O
Power supply IC control terminal
O
Power supply IC control terminal
O
SW5V/SW14V control output terminal
-
NC
O
MP3 power supply control terminal
I
12cm CD disc eject SW detection input terminal
I
Request for muting signal from CD mechanism
-
NC
O
Reset signal output to CD mechanism
I
8cm CD disc eject SW detection input terminal (Not used)
I
Loading start SW detection input terminal
I
Request for muting signal from CD mechanism
-
NC
O
Request signal (Mechanism is STOP) output to CD mechanism
I
Down SW detection from CD mechanism
I/O
CD mechanism loading / eject control terminal
O
CD mechanism motor loading control terminal
O
Disc guide illumination control terminal
I
Reset input terminal
-
NC
I
Request for communication to slave unit
I
RDS decoder CLK input terminal
I
DATA signal input from EXT. unit
I
Remote control signal input terminal
-
NC
-
GND
-
BU5.0V
-
Main clock input terminal (10MHz)
-
Main clock input terminal (10MHz)
-
GND
-
Sub clock input terminal (32.768kHz)
-
Sub clock input terminal (32.768kHz)
-
BU5.0V
-
BU5.0V
I
Destination input terminal
x
ao
u163
y
I
Electric volume condition setting terminal
i
2 9
8
Description / Processing Operation
Hi-Z : OFF, L : ON
L : 12cm disc
L : Mute request
L : Active
L : Loading start
L : Mute request
Q Q
H : Eject, L : Loading
3
6 7
1 3
1 5
H : Loading, Eject, Brake, L : Play
H : DSI ON
L : Active
L : Key input mode
DXM6540 (SEL0 : Lo, SEL1 : Lo)
co
.
CKDC-MP572V
9 4
2 8
L : Active
0 5
8
2 9
9 4
2 8
m
9 9
9 9
7

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