Mechanism Μ-Com: Ic4 (X32- : Cd Player Unit) - Kenwood CKDC-MP576 Service Manual

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
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
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
CKDC-MP576
CKDC-MP676F/MP676V
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)
r : Destination change
TYPE 3 TYPE 2 TYPE 1
(Pin 80) (Pin 79) (Pin 78)
0 0
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
H
H
Model
0 CKDC-MP576/MP676F/MP676V
Remarks
L
H
L
H
7