KDC-2019/V/217/S/219/29MR
/2020/3020/4020
4
MICROCOMPUTER’S TERMINAL DESCRIPTION / ADJUSTMENT
Pin No.
Pin Name
I/O
Purpose
Processing in STBY Mode
54
LOE/LIM SW
I
CD mechanism Down & Limit detection
Hi-Z
55
MOSW
O
CD mechanism motor switching
L
56
LO/EJ
I/O
Lo/Ej switching
Hi-Z
57
M-STOP
O
Mechanism COM stop output
L
58
M-RST
O
Mechanism COM reset output
H
59
M-MUTE
I
Mechanism COM mute input
Hi-Z
60
RESET
I
System reset input
Hi-Z
61
REMO
I
Remote control input
Hi-Z
62
R-CLK
I
RDS CLOCK
Hi-Z, L when RDS is not available.
63
CH-REQC
I
5-wire CH request (CH)
Hi-Z, L when CH is not available.
64
LOS SW
I
Loading SW detection
Hi-Z
65
KEY-REQ
I
Key input detection
Hi-Z
66
12EJE SW
I
12 cm disc detection
Hi-Z
67
Vss0
-
GND potential (for ports)
-
68
VDD1
-
Positive power supply (for other parts than ports and analog circuitry)
-
69
X2
-
Main system clock oscillation
-
70
X1
I
Main system clock oscillation
-
71
IC
-
Flash uCOM write
-
72
XT2
-
Not used
-
73
XT1
-
Not used (Connected to 5V power supply)
-
74
VDD0
-
Positive power supply (for ports)
-
75
AVREF0
I
5V power supply (A/D converter reference voltage)
-
76
S-METER
I
S-meter input
Hi-Z
77
PHONE
I
Navigation muting 2.5V or more, Telephone muting 1V or less. Hi-Z, L when TEL is not available.
78
NOISE
I
FM noise detection
Hi-Z, L when RDS is not available.
79
NC
O
Not used
L
80
AVCONT
O
A/D reference voltage control
L
No.
ITEM
INPUT SETTINGS
TUNER (RECEIVER)
ALIGNMENT
ALIGN FOR
SETTINGS
POINTS
FM SECTION
98.1MHz
TEST MODE : ON
While holding preset “1” key, press and
1
SD
0 dev
FM
Preset “1” key, and
hold preset “6” key for a few seconds.
35dB
µ
(ANT input)
98.1MHz
preset “6” key
“1111” is good.
“0000” is not good.
AM SECTION
990kHz
TEST MODE : ON
While holding preset “1” key, press and
(1)
SD
0% mod
AM
Preset “1” key, and
hold preset “6” key for a few seconds.
35dB
µ
(ANT input)
990kHz
preset “6” key
“1111” is good.
“0000” is not good.
TEST MODE : ON
While holding the FM key and preset “6” key, reset the unit.
TEST MODE : OFF
Reset the unit.
ADJUSTMENT
