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J
K
1.6V
R72 1K
75
R85
CP5
2.2K
1K
76
76
SRM SW1
R73
5V
0V
2.2K
77
77
SRM SW2
R74
2.2K
R75 1K
78
78
SRM DET
R76
0V
100K
R77 2.2K
79
79
NOISE
0-5.0V
0-4.2V
R79 2.2K
80
80
S-METER
5V
C46 1000P
0V
81
81
R-DATA
5V
0V
82
82
R-QUAL
5V
0V
R82 1K
83
83
IFC-OUT
CP4
100K
0V
84
0V
85
5V
CP1
0V
1K
86
86
SRM-B
92
5V
87
87
R-CLK
0V
5V
88
88
CH-REQC
0V
R88 100K
5V
0V
R89 1K
89
SC-REQ/KEY-REQ
CP6
2.2K
90
90
CD-SW1
91
91
CD-SW2
92
SRM+B
5V
93
93
BU-DET
0V
94
94
CH-DATAC
R93 100K
5V
0V
95
95
CH-DATAH
L5
96
∗
96
CH-CLK
W7
5.1V
R96 100K
∗
0V
R98
97
97
SC-DATA/L-DATAS
1K
∗
R97
98
1K
98
MC-DATA/L-DATAL
R100 1K
99
99
∗
MC-CLK//L-CLK/PANEL
R101 1M
5.0V
0V
100
100
PAN5V
5.0V
0V
5.0V
0V
AFS
21
19
17
15
13
11
9
7
5
3
1
22
20
18
16
14
12
10
8
6
4
2
CN5
to CD MECHA. (X32- )
DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual
instruments or/and units.
L
M
CP3
CP2
1K
1K
5.0V
5.0V
5.0V
0V
0V
5.0V
0V
0V
5V
50
CH-MUTE
0V
2.6V or 5.0V
5V
49
0V
0V or 5.0V
CH-RST
48
5V
CH-REQH
5V
0V
0V
47
R62 100K
IC2 TYPE1
R60 100K
46
IC2 TYPE0
0V
45
44
43
TYPE1
42
TYPE0
0V or 5.0V
41
40
39
CLKOUT
38
5.0V
VDD
37
0V
VSS
36
X1
∗
IC1
35
X2
u-COM
34
3.5V
REGC
5V
33
XT2
0V
32
XT1
31
RESET
5V
5V
0V
5V
0V
30
0V
P-ON
29
5V
ANT-CON
0V
28
P-CON
5V
5V
5V
0V
0V
4.7V
0V
5V
0V
27
0V
EXT-AMP-CONT
5V
5V
26
0V
0V
5V
SW5V
0V
0V
0V
5.0V
0V
5.0V
5.0V
0V
31
RST IC
∗
5.0V
IC16
3
2
0V
4
R68
220
1
0V
N
O
CN3
8
7
6
5
4
3
2
1
51
50
49
51
48
88
1
96
2
94
3
5.0V
95
0V
4
50
L9
Q43,44
Q44
4.7uH
5
R210
FM+B
49
Q43
1K
R211
48
22K
22K
2
L10
22K
Q45,46
Q46
4.7uH
6
R212
AM+B
7
Q45
1K
R213
8
∗
22K
22K
1
9
R53 100K
10
22K
∗
11
L11
R51 100K
4.7uH
∗
12
R52 100K
Q53
13
47K
X1
47K
20.0MHz
14
4
15
5
16
L12
4.7uH
17
C44
18
1
R217
19
Q52
1K
C43
27P
RDS
X2
32.768kHz
C42
20
22P
11
21
5.0V
13
0V
22
80
23
31
R50
24
30
1K
∗
28
MOTOR
DRIVER
27
IC15
26
10
7.6V
CN7
NC
5.0V
9
0V
7.6V
1
OUT1
7
7
VCC
8
NC
77
6
6
78
5
5
4
4
2
5.0V
75
3
3
NC
3
86
IN1
76
2
2
4
7
7.6V
92
IN2
OUT2
1
1
5
6
0V
0V
S-GND P-GND
R214
2.2K
87
RDS
DECODER
5V
0V
IC14
5V
R215 2.2K
1
16
82
QUAL
0V
RDCK
5V
15
0V
T57
14
C145
R216 2.2K
OSCO
2
81
RDDA
10P
2.5V
C142
10u10
C146
3
C141
VREF
13
10P
330P
+
4
OSCI
MPX
2.5v
5.0v
5
12
OSEL
VCC
0V
6
11
5.0v
GND
EXTRES
7
10
0V
ARI
TM
8
9
FILOUT
FSEL
P
Q
NJM4565MD
ANT.
DAN202U
WH1
1
2
RF GND
FM ANT
AM ANT
CH CORD
(E30-4946)
OSC GND
∗
DA204U
FM +B
IC1
:
IC2
: TDA7407D
IC3
: M5237ML
IC4
: TA8263BH
IC8
: HD74HC02FP or
TC74HC02AF
AM +B
IC10
: S-80837ANNP
OSC GND
IC14
: TDA7479D
OSC GND
IC15
: LB1930M
∗
IC16
:
W/N
OSC GND
Q1,4
: 2SB1548P
VT
RD6.8M
Q2,11,30,31,36,52
: 2SC4081 or
PLL +B
2SD1819A
Q3,27,51
: 2SA1576A or
2SB1218A
Q5,8,12,15,50,53
: UN5213 or
DTC144EUA
Q6,7,13,28,32,33
: KRA303 or
IFC OUT
DTA124EUA
Q9
: 2SD2375
Q10
: 2SB1184
SDA
Q14
: KRA105S or
SCL
DTA123JK
DIG GND
Q26,44,46
: 2SB1277(Q,R)
Q29
: UN5214 or
VDD 5V
DTC114YUA
NOISE OUT
Q35,43,45
: UN5212 or
TC74HC02AF
RDS OUT
DTC124EUA
Q37-40
: KRC410 or
DTC143TUA
D1
: S2V20
A
D2
: 1GWJ43
D3,16
: MA4056(N)-M
AUDIO OUT
D4
: MA4082(N)-L or
AMIF OUT
HZS9A2L
S-METER
D5
: MA4110-L
IF1 +B
D7
: MA4056-M
D8
: MA4047-M or
IF1 GND
HZS5B1
D11,12,14,33-36,38-41
A1
TUNER
: AM01Z or
DSM1SD2 or
ERA15-02
D15,18,30-32,61-64 : 1SS133
D17
: MA4062(N)-M
BA5917AFP
D22-24,29
: MA4062-L or
HZS6C1
SRM SUB-
D25,26
: RD6.8M(B2)
1
SRM SW2
D27,28
: MA4068(N)-M
2
D60
:
1MSA-6801 or
SRM DET
3
MASK
SA-C2012-101TB
GND
4
MECHA
SRM SW3
5
SRM SW1
6
SRM SUB+
7
M5237ML
(X16-118X-XX)
MODEL
UNIT
NAME
No.
KDC-V7090RY
0-10
KDC-7090RY
KDC-V7090R
2-71
KDC-7090R
(X16-118X-XX)
J1
15
S.GND
ILL+B
13
14
ILL+B
ILLMUG
12
13
ILLMUG
X13-
MC CLK
MC CLK
CN1
11
12
(L CLK)
(L CLK)
MC REQ
MC REQ
10
11
2/2
(L CE)
(L CE)
RST
9
10
RST
DATA I/O
DATA I/O
A
8
9
(L DATAS)
(L DATAS)
SC REQ
SC REQ
7
8
(L DATA L)
(L DATA L)
SC CON
SC CON
6
7
(DIMMER)
(DIMMER)
P RST
P RST
5
6
(NC)
(NC)
REMO
4
5
REMO
NC
3
4
NC
DGND
2
3
DGND
VDD
1
2
VDD
1
S.GND
1/2
KDC-V7090R/Y
R
1
2
A
N
C
3
4
5
6
7
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