6
KDC-205/CR, 226
KDC-2026, 3026/R
Pin No.
Name
I/O
Description
Processing Operation
21
AFS
O
Noise detection time constant switching terminal
H : Normal, L : FM/AM seek and AF search
(When tuner SRC auto zero, L)
22~24
NC
O
Not used (output L)
25
CH-CONT
O
Changer control
H : Changer on, L : Changer off
Except changer model : Output L
26
TYPE REF
O
5V lines output for destination setting
H : During destination reading
27
SD
I
Tuner SD input
H : Station detected
28
NC
O
Not used (output L)
29
TYPE2
I
Destination type selection terminal 2
Refer to destination type list.
30
TYPE1
I
Destination type selection terminal 1
Refer to destination type list.
31
TYPE0
I
Destination type selection terminal 0
Refer to destination type list.
32
TUNER-TYPE1
I
Destination available/genuine model rool off
H : Genuine model 1, L : Available model
33
Vss1
34
TUNER-TYPE0
I
Destination available/genuine model noise cancel
H : Genuine model 0, L : Available model
35
MUTE
O
Mute (E.Vol, Preset) control
H : Mute on, L : Mute off
Power off after that 15 second L
36
M-DATA
I/O
Data input/output with the CD mechanism
Non communication : H
37
M-CLK
O
Clock output to the CD mechanism
Non communication : H
When adjustment = H
38
ADJ
O
Tuner lines adjustment
PS1-0, 1=L PS1-2, 2-0, 1=Hi-z
IC10-DATA, CLK=Hi-z
39
P-MUTE
O
Power IC mute control
H : Mute off, L : Mute on
Power off after that 15 second H
40
SVR
O
Power IC servo control
H : When momentary power down detected
L : Nomal
41
P-STBY
O
Power IC standby control
H : Power IC ON, L : Power IC OFF
H : SW5V OFF, L : SW5V ON
Power off after that 10 second H
Back up detection terminal
H : Power down, L : B.U. on
ACC detection terminal
H : ACC OFF, L : ACC ON
Power supply IC SW1 control 0
Audio 8V, P-CON
Power supply IC SW1 control 1
Audio 8V, P-CON
47
PS1-2
O
Power supply IC SW1 control 2 P-ANT
Power supply IC SW2 control 0
48
PS2-0
O
ILLUMI, FM, AM
Power supply IC SW2 control 1
49
PS2-1
O
ILLUMI, FM, AM
MICROCOMPUTER’S TERMINAL DESCRIPTION
BA4911 SW1
Power supply IC output
PS1-2 PS1-1 PS1-0
A8V
P-CON P-ANT
L
L
L
STANDBY
L
L (H)
H (L)
ON
OFF
OFF
L
H
H
ON
ON
OFF
H
H
H
ON
ON
ON
BA4911 SW2 Power supply IC output
PS2-1 PS2-0 ILLUMI
FM
AM
L
L
STANDBY
L (H)
H (L)
ON
ON
OFF
H
H
ON
OFF
ON
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