Kenwood KDC-W4034A/AY Service Manual page 7

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MICROCOMPUTER'S TERMINAL DESCRIPTION
Truth Value Table
q : Power supply IC (IC3) control
SEL1 (Pin No. 11)
PS1-2
PS1-3
PS2-1
L
L
L
L
L
H
H
L
H
H
H
H
SEL2 (Pin No. 12)
PS1-1
PS2-2
AUDIO
L
L
OFF
H
L
ON
H
H
ON
r : Destination change
TYPE 3
TYPE 2
TYPE 1
(Pin 80)
(Pin 79)
(Pin 78)
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
MECHANISM µ-com : IC4 (X32- : CD PLAYER UNIT)
Pin No.
Pin Name
I/O
1
NC
-
2
E2P SCL
I/O
3~5
NC
-
6
VDD
-
7
GND
-
8,9
NC
-
10,11
PON1, PON2
O
12
LOE/LIM SW
I
ILLUMI
P-CON
P-ANT
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
ON
ON
ON
SW5
AM
OFF
OFF
ON
OFF
ON
ON
Destination
K
KDC-MP202
J
E313S
E
KDC-3034A/3034AY/W4034A/W4034AY/W410A/W410AY
E
KDC-W434A
K
KDC-MP2032CR
M
KDC-MP333/MP333RC/MP433
E
KDC-3034G/3034GY/W4034G/W4034GY/W410G/W410GY
J/E
E212/E212S/KDC-W40GY/W434G/W434GY
Application
Not used
Rom correction E2P I2C clock
Not used
5V electric potential
GND electric potential
Not used
Power ON/OFF control
Down-limit SW detection
KDC-W4034A/AY, KDC-W4034G/GY
KDC-W410A/AY, KDC-W410G/GY
w : CD mechanism control operation
CD MOTOR
Stop
L
Load
H
Eject
H
Brake
H
e : Destination setting
Model
KENWOOD brand model (initial value)
OEM model (with CRSC changed)
KENWOOD brand model (with CRSC changed)
KENWOOD brand model (to support test-driving in EU)
Model
Processing Operation
Description
Low-fixed
Low-fixed
Low-fixed
H : ON, L : OFF
L : Lim detection
CD LOEJ
L
L
H
Hi-z
TYPE 1 TYPE 2
L
L
L
H
H
L
H
H
Remarks
7

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