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Kenwood MDX-G3 Service Manual page 19

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AO
AP
1
Q Q
2 B
3 7 6 3 1 5 1 5 0
(X09-6440-21) (A/7)
CN1
AUX IN
J1
R81
2.2K
7
R82
2.2K
36
CN5
9.0V
TA +9V
1
+9V
L PLAY OUT
2
TA MGND
3
CD : 9.1V
R PLAY OUT
4
38
TA RGND
5
+9V
CN24
L REC IN
6
8
BIAS GND
7
19
OP/CL SW
R REC IN
8
18
ALOUT
17
AGND
+5V
16
AROUT
15
14
TXOUT
7
13
MCLK
8
12
MDATA
9
11
MLD
13
10
BLKCK
14
9
SQCK
15
8
SUBQ
17
7
STAT
18
6
XRST
T E
19
5
SLTSW
R170 3.3K
L
1 3 9 4 2 2 9 6 5 1 3
BEAT C
9
4
+5V
R169 3.3K
R/P
10
3
RGND
R168 3.3K
2
BIAS 11
MGND
NOR
12
1
+9V
B I/II
13
R167 4.7K
A/B
14
R166 10K
R165 3.3K
LINE MUTE
15
R164 100
SOL
16
R162 10K
PHOTO
17
R160 100
REC R SW
18
R163 100
CPM
19
R158 100
REC F SW
20
R156 100
HALF SW
21
CrO2 SW
22
R154 100
PLAY SW 23
58
CN22
19
6
SLT-SW
54
5
SW-GND
11
4
SLM-
53
10
3
SLM+
13
2
DM-
4.7V
12
1
DM+
+B
CN2
REM
1
26
REM +5V
2
+5V
FL RST
3
24
FL CE
4
25
FL CLK
5
23
FL SDATA
6
21
VP
7
35V
F1
8
1
w w w
F2
9
2
KEY1
10
8
KEY2
11
7
LED STBY
12
82
LED POWER
13
81
POW.ON:5.1V
ENC 1
14
30
ENC 2
15
31
STAND-BY:5.1V
VCC
16
-33.1V
GND
17
AQ
AR
2
18
16
14
12
10
8
6
4
2
26
24
22
20
18
CN4
19
17
15
13
11
9
7
5
3
1
25
23
21
19
35
L53
2.4V
5.0V
5.0V
+9V
4.7V
+5V
C194
100P
75
NC
74
BEAT C
73
EVOL
R/P
72
BIAS
71
(NOR) NC
TUNER CONTROL
70
(B I/II) NC
69
A/B 2
68
A/B 1
67
LINE MUTE
66
SOL
65
REC R SW
IC11
64
CPM
(BOTTOM VIEW)
63
REC F SW
u-COM
62
HALF SW
61
(CrO2 SW)
60
PLAY SW
59
NC
58
MD IN SW
57
(BACK ON) NC
56
(BACK CHK) NC
55
(IN1 MD SW) NC
R152 3.3K
54
MD RST
CD CONTROL
R151 3.3K
53
MD CE
52
(CLOSE) NC
51
(OPEN) NC
R141 47K
R140 47K
+5V
+5V
x
a o
y
.
i
+5V
35V
AS
AT
A
16
14
12
10
8
6
4
2
17
15
13
11
9
7
5
3
1
5.0V
LEVEL SHIFT
(5V
35V)
3.5V
IC3
9
5
1
L54
R51
+3.5V
+B
C51
2
47K
20uH
100u10
R190
+
100
4
3
GND
(BOTTOM VIEW)
+5V
+5V
+5V
+5V
58
+9V
+9V
+5V
C193
C108
100P
100u10
+
C107
470P
C195
+5V
0.01
4.7V
Q
Q
1
3
7
6
GND
2
PH
R112 47K
3
TN TYPE
2.4V
4
PROTECT 1
5
PROTECT
R114 47K
6
NC (MD BACKV)
7
KEY2
7
8
KEY1
8
R117 47K
9
KEY3
10
VREF
+5V
11
VDD
+5V
4.6V
X2
R121
8.38MHz
12
1K
OSC2
C111
13
1000P
OSC1
14
GND
C112 18P
15
XI
R124
16
100K
C113 22P
XO
17
32.768kHz
GND
R125 100
18
MD TXD
18
R126 100
19
MD RXD
19
20
NC
R128 3.3K
21
FL SDATA
R129 47K
22
4.7V
NC
R130 3.3K
23
FL SCLK
23
24
R131 3.3K
FL RESET
24
25
R132 3.3K
FL CE
25
C119
1
R134
47K
+5V
+5V
u 1 6 3
+5V
35V
AU
AV
3
2
4
8
9
9
2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15
9.0V
+9V
+9V
9
36
+9V
2.5V
2.5V
SURROUND
3
1
5
1
5
0
8
9
IC1
(BOTTOM
VIEW)
R12 2.2K
R10 3.3K
IC1
SURROUND
CONTROLLER
8
+5V
4.6V
RESET
4.7V
R108
IC
2.2
+5V
+5V
+5V
IC12
RESET
R104
C102
1K
1u50
+
Q101
m
34
+9V
c o
+5V
+5V
+9V
9.0V
.
+5V
35V
AW
AX
2
8
9
9
18
20
CN3
17
19
21
5.2V
R193
C76
180
1000P
R192
R15
5.0V
+B
180
4.7
C34
100u10
+
R22
1K
77
C30
220P
C35
33P
BASS
MID
TRE
uCOM INTERFACE
2
4
9
8
2
9
9
BASS
MID
TRE
C29
220P
C48
R21
220P
1K
37
4.7V
D102
P1
E1
1
MD MGND
5.0V
2
+5V
MD M+5V
5.0V
3
+5V
MD D+5V
4
MD DRGND
5
MD MRGND
CD : 9.1V
6
TA RGND
7
+9V
CD +9V
8
+5V
CD RGND
9
+5V
CD,MD MGND
10
+9V
TA +9V
POW.ON:5.1V
11
+5.1V
5.1V
STAND-BY:5.1V
12
D GND
13
+5V
FL 5V
14
35V
-35V
-33.1V

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