Kenwood ez500 Service Manual page 6

Cd receiver and fm/am tuner
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EZ500
QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No.
Pin Name
85
LX_MUTE
86
LX_REQ_M
87
Not used
88
LX_REQ_S
89
KEY-REQ
90
LO.S SW
91
12EJE SW
92
EJECT
93
Not used
94
LX_DATA_S
95
LX_DATA_M
96
LX_CLK
97
L DATAL
98
L DATAS
99
L CLK
TE
100
PLL DATA
L 13942296513
Truth value table
q
PS1-0
PS1-1
L
L
H (L)
L (H)
H
H
H
H
w
PS2-0
PS2-1
L
L
H (L)
L (H)
H
H
www
.
6
I/O
Application
I
MUTE request from external devices
O
Request output to external devices
O
Non RDS destination
I
Request input from external devices
I
Communication request from LCD driver
I
Loading start SW DET terminal
12cm DISC EJECT position DET SW terminal
I
12 or 8cm DET
I
EJECT DET terminal
O
I
DATA input terminal from external devices
O
DATA output terminal for external devices
I/O
CLK input/output terminal with external devices
I
Data input from LCD driver
O
DATA output terminal to LCD driver
O
CLK output terminal to LCD driver
I/O
DATA input/output terminal with F/E
PS1-2
AUDIO
P-CON
L
OFF
OFF
L
ON
OFF
L
ON
ON
H
ON
ON
ILLUMI
FM+B
AM+B
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
ON
x
ao
y
i
8
Truth
value table
H : MUTE ON, L : MUTE OFF
Request DET : L
Output L fixed
Request DET : L
L : KEY input
Loading start : L
12cm DISC : L
L : KEY input
Output L fixed
Last retention
Q Q
3
6 7
1 3
e
P-ANT
MODEL
OFF
OFF
KDC-X579
OFF
EZ500
ON
KDC-MP425
KDC-MPV525
KDC-MPV5025
KDC-WV6027
KDC-W6027
KDC-W6027Y
KDC-MPV7026
KDC-MP6026
u163
.
2 9
9 4
2 8
Processing Operation Description
1 5
0 5
8
2 9
9 4
TYPE
DESTINATION
0
1
K
L
L
K
L
L
K
H
L
K
L
H
K
L
L
E
H
L
E
L
L
E
L
L
M
H
H
M
L
H
m
co
9 9
2 8
9 9
2
L
L
L
L
L
H
H
H
L
H

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