Kenwood KDC-135 Service Manual page 7

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O
92 PS1 1 O
93 PS1 2 O
94 PS1 3 O
95 PON -
96 AVSS -
97 REF CON O
98 VREF -
99 AVCC -
100 LX DATA S I
• Truth value table
q CD motor control
CD motor
Stop L
Load H
Eject H
Brake H
e Destination switching
TYPE 2 TYPE 1
(Pin 86) (Pin 85)
0V 0V
0V 2.4V
1.2V 0V
Application
Power supply IC control
Power supply IC control
Power supply IC control
Not used
VREF control
Data from slave unit
CD loading/eject
L
L
H
Hi-z
Model
KDC-135
KDC-135CR
KDC-136
KDC-135/135CR/136
Truth Value
Processing Operation Description
Table
r
Refer to the truth value table
r
Refer to the truth value table
r
Refer to the truth value table
POWER ON: H, POWER OFF: L
Connects to VREF
Pull-down (GND)
r Power supply IC (IC4) control
SEL1 (Pin 10)
PS1-2 PS1-3 PS2-1
L L L
L L H
H L H
H H H
SEL2 (Pin 11)
PS1-1 PS2-2 AUDIO/SW5
L L OFF
H L ON
H H ON
ILLUMI P-CON P-ANT
OFF OFF OFF
ON OFF OFF
ON ON OFF
ON ON ON
AM
OFF
OFF
ON
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