Kenwood KDC-M6021/G Service Manual page 13

J K
Q Q
3 7 6 3 1 5 1 5 0
Q7,8
MUTE DRIVER
FOR PRE-OUT
MUTE SW
Q7
22K
1
22K
22K
Q8
2
22K
R309
10K
T E
L 1 3 9 4 2 2 9 6 5 1 3
14.4V
BU
D5V
SW5V
BU
w w w
.
L M
REAR/
N-FADER
Q5,6 Q1,2
RCA
AUDIO AUDIO
CORD
MUTE MUTE
SW SW
R15 R16 R3 R4
22K 22K 22K 22K
Q5 Q6 Q1 Q2
9 8 7
CN1
9 8 7
N-FR
N-FL
FR
FL
C35
0.1
+8V
C103
47u10
RR
C104
RL
FR
FL
SWITCHED
OP. AMP.
IC6
0V 9 8
GND
0V 10 7 4.3V
RR
GND
4.2V
6 4.3V
4.3V 11
RL
R312
4.3V 12 5 4.3V 10K
R
4.3V 13 4 4.3V IC2
L
3 4.3V
4.3V 14
FR
5V C101
2.2u50
0V
4.3V 15 2
+
FL
D36
16 D35
1 8.3V
VCC
5V
0V
C102 10u16
+
D115
R104
+8V
220
C107 0.01
5.0V
L9
BU D5V
220uH
Q51
CD+5V
AVR SW
D40
IC11
CD+5V Q51
AVR
R64 C65
47K 0.22
IC11
14.4V
0V
D5V
SW5V
BU
+8V +8V
x a o
y
i
N
8
FRONT
1 REQ H
2 D GND
3 B.U
4 CHCON
5 MUTE
6 A GND
6 5 4 3 2 1
6 5 4 3 2 1
89
C33 BU
0.1
7
88
W102 C25 47u10
6
W103 C24 0.47u50
5
8
97
W101 C23 0.47u50
7
+
98
Q42
Q42 99
22K
Q43
E.VOL. 91
18
MUTE NOISE
22K
SW BUFFER
+
0.01
20
19
0-3.5V 4.7K
Q45,47
FM+B
R141
Q47 W111
Q43 SW
1K
3.6V
Q45
5V R143
22K
6
0V
22K
4.3V
22K
Q46,48
AM+B
R142 Q48
SW 1K
Q46
C117
C105 R115 R144 0.01
22K
R113 0.1 4.7K 5
22K
4.7K
Q Q 22K
3 7 6 3
C42
150P
+8V
8.3V
C44 0.01
L6
4.7uH
83 SW5V
IC2
E. VOL &
N.C. MPX IC L7
84
4.7uH
COMPOSITE
SIGNAL BUFFER
+B
Q52
R162 4.7K
SW5V
R229
2.2K
90
IC7
R227 5V
2.2K 0V 1
86 QUAL
R226 5V
2.2K 0V 2
85 RDDA
C136
2.2u50 2.5V 3
VREF
+
C137
330P
2.5V 4
MPX
5.0V
5
SW5V OSEL
0V 6
GND
2.5V 7
ARI
SW5V
2.5V 8
BU
FILOUT
RDS DECODER
+8V
u 1 6 3
.
O P
2 4
9 9 8
7 5 3 1
8 6 4 2
7 RST
7 5 3 1
8 Rch
8 6 4 2
9 REQ C
10 DATA C
12 8
11 DATA H 13 11 7 3
10 6 2
12 Lch
4
9 5 1
13 CLK
R121 100
REQ H
GND
BU
BU
R122 4.7K CH CON YEL BLK
16 1
ORG/WHT RED
R123 4.7K MUTE
15 2
J2
R25 4.7
A GND 4 3 2 1 BRN BLU/WHT
TEL MUTE
14 3
R24 10 Rch BLU/WHT
ANT CON
13 4
8 7 6 5
R124 4.7K RST P CON
VIOL GRY
R126 4.7K 12 11 10 9
DATA C RR+ 12 5 FR+
VIOL/BLK GRY/BLK
RR- 11 6 FR-
R23 10 Lch
13 GRN/BLK WHT/BLK
RL- 10 7 FL-
R127 100 DATA H GRN WHT
RL+ 9 8 FL+
R128 100 CLK
DC CORD
R125 4.7K REQ C
KDC-M6021/G
L8
ANT.
IC1 : UPD703030GFA03
52mH
IC2 : TDA7407D
IC3 : TC74HC02AF
WH1
IC4 : TA8273H
2
IC6 : NJM2123V-TE2
IC7 : SAA6581T
1
IC8 : S-80837ANNP
A1
IC11 : SI-8050JD
Q1,2,43,52 : DTC143TUA
1 Q5,6 : 2SD2114K
RF GND
Q7,8,17,20,29 : DTA124EUA
2
FM ANT
Q11,14,22,33,34,51 : 2SC4081
3
AM ANT Q12,15 : 2SA2057
4
Q13,30,55 : 2SA1576A
OSC GND
5
Q16,19,42,45,46 : DTC124EUA
+B FM +B
6 Q18 : 2SD2375
+B AM +B
Q21 : 2SB1184
7
OSC GND
Q26 : DTC144EUA
8
OSC GND Q27 : DTC114YUA
9
Q32,47,48 : 2SB1277(Q,R) or
W/N
10
2SB1434
OSC GND
1 5 11 1 5 0 Q53,54 8 9 : DTA114YUA 2 4
Vt
12
+8V PLL +B
D1 : 1N5393G-M5
13
87 IFC OUT D2 : MA4056(N)-M
14
D3 : RB160L-40
3 SDA
15
D4 : MA4091(N)-L
SCL
4
D5
16 : MA4082(N)-L
DIG GND
D6 : MA4110-L
17
+5V VDD 5V
D12 : MA4047-M
18
NOISE OUT : AM01Z or
D13,15,16
19
DSM1SD2 or
RDS OUT
20
ERA15-02
AUDIO OUT
21
D14,30-34,38,39,71,117,118 : 1SS133
AMIF OUT
22 D17,18,35,36,45-47 : MA4068(N)-M
S-METER
D21-28 : S1J
23
+8V IF1 +B D37 : IMSA-6081
C411 C122
24
D40 : SFPB-54V
IF1 GND
0.01 0.01 D41,42,44 : MA4062-L
D101-103,105-110,112,113,116,119,120
: DA204K
D114 : B30-1567-05
D115 : MTZJ4.3(B)
C405
0.01
5V
16 0V
RDCK
15
R100 C139
T57
14 2.2K 27P
OSCO
DAUGHTER UNIT
(X89-2522-70)
CN1
ILL-GND 18
C140
27P
13 ILL+B 17 +10.5V
OSCI
12 5.0V VDD 16 +5V 6
VCC SW5V
D-GND 15
11 0V
EXTRES
10 0V NC/DIMMER 14 14 7
TM
RST 13 13 14
REMO 12 12 8
9 0V
FSEL
L-INH/L-RST 11 11
D/A DATA/NC 10 10 9
L-DATAL 9 9 10 10
L-CE 8 8 EJECT 11
L-CLK 7 7 S1 12 12
L-DATAS 6 6 13 13
D/A CLK/NC 5 5 5 14
m
FLIP DET 4 4 4 15
EJECT 3 +5V 16 VDD
EJECT ILL 2
c o ESD-G 1
Q R
2
9 9
1
B
P.CON
DTC114YUA
A
DTC143TUA
B
2SA1576A
E
2SD2114K
C
2SB1184 2SB1277
2
C E
C E
B
B
2SC4081
3
C
E
B
DTA114EUA
DTA124EUA
9 8 2 9 9
DTC124EUA
DTC144EUA
4
OUT
IN
GND
DA204K
DTA114YUA
5
J1
1 ILL-GND
2 ESD-G
TC74HC02AF
3 L-DATAS
X16-
4 D-GND
J1
5 L-CLK
2/2
6 NC/DIMMER
8
7 L-CE
A
8 ILL+B
9 L-DATAL 14
D/A DATA/NC
7 6
11 L-INH/L-RST
REMO
RST
1
D/A CLK/NC
FLIP DET
NJM2123V-TE2
9
16
8
7
1