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KDC-3020R/
4021/V/Y/YV
QQ
3 7 63 1515 0
MICROCOMPUTER'S TERMINAL DESCRIPTION / ADJUSTMENT
Pin No.
Pin Name
54
LOE/LIM SW
55
MOSW
56
LO/EJ
57
M-STOP
58
M-RST
59
M-MUTE
60
RESET
61
REMO
62
R-CLK
63
CH-REQC
64
LOS SW
65
KEY-REQ
66
12EJE SW
67
Vss0
68
VDD1
69
X2
70
X1
71
IC
72
XT2
73
XT1
TE
L 13942296513
74
VDD0
75
AVREF0
76
S-METER
77
PHONE
78
NOISE
79
NC
80
AVCONT
ADJUSTMENT
No.
ITEM
INPUT SETTINGS
FM SECTION
1
SD
35dBµ (ANT input)
AM SECTION
www
(1)
SD
35dBµ (ANT input)
TEST MODE : ON
While holding the FM key and preset "6" key, reset the unit.
TEST MODE : OFF
Reset the unit.
4
I/O
Purpose
I
CD mechanism Down & Limit detection
O
CD mechanism motor switching
I/O
Lo/Ej switching
O
Mechanism COM stop output
O
Mechanism COM reset output
I
Mechanism COM mute input
I
System reset input
I
Remote control input
I
RDS CLOCK
I
5-wire CH request (CH)
I
Loading SW detection
I
Key input detection
I
12 cm disc detection
-
GND potential (for ports)
-
Positive power supply (for other parts than ports and analog circuitry)
-
Main system clock oscillation
I
Main system clock oscillation
-
Flash uCOM write
-
Not used
-
Not used (Connected to 5V power supply)
-
Positive power supply (for ports)
I
5V power supply (A/D converter reference voltage)
I
S-meter input
I
Navigation muting 2.5V or more, Telephone muting 1V or less. Hi-Z, L when TEL is not available.
I
FM noise detection
O
Not used
O
A/D reference voltage control
TUNER (RECEIVER)
SETTINGS
98.1MHz
TEST MODE : ON
0 dev
FM
98.1MHz
990kHz
TEST MODE : ON
0% mod
AM
990kHz
x
ao
y
.
i
8
Hi-Z
L
Hi-Z
L
H
Hi-Z
Hi-Z
Hi-Z
Hi-Z, L when RDS is not available.
Hi-Z, L when CH is not available.
Hi-Z
Hi-Z
Hi-Z
-
-
-
-
-
-
Q Q
-
3
6 7
1 3
-
-
Hi-Z
Hi-Z, L when RDS is not available.
L
L
ALIGNMENT
POINTS
Preset "1" key, and
preset "6" key
Preset "1" key, and
preset "6" key
u163
.
2 9
9 4
2 8
Processing in STBY Mode
1 5
0 5
8
2 9
9 4
ALIGN FOR
While holding preset "1" key, press and
hold preset "6" key for a few seconds.
"ADJ OK" is good.
"ADJ NG" is not good.
While holding preset "1" key, press and
hold preset "6" key for a few seconds.
m
"ADJ OK" is good.
co
"ADJ NG" is not good.
9 9
2 8
9 9
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