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Kenwood MDX-G2-L Service Manual page 6

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A
B
IC1
: CXD2662R
Q1
IC2
: CXA2523AR
or
Q2,9
CXA2523AR
Q3
IC3
: HD6432227N22FA
Q4,11
1
IC4
:
BA5984FP
Q5,6
IC5
: LC32S4400T-10
Q7
IC6
: RC1117ST
Q8,10
IC7
: S-24C02BFJ-TB or
BR24C02F
D1,2
IC8
: BD7910FV
D3,4
IC10
: AK4550VT
D5,6
IC11
: C6006AZ
PLAYBACK
PLAYBACK (DIGITAL)
RECORDING
RECORDING (DIGITAL)
GND LINE
2
B LINE
+B
B LINE
B
CN3
TRK-
21
12
TRK+
20
11
FCS-
19
13
FCS+
18
14
K
17
R89
4.7K
PD
16
VR
15
MOD
14
ILCC
13
Q3
LD-GND
12
3
OPTICAL
PICKUP
+
L4
BLOCK
VCC
11
+B
(KMS-260B)
or
J
10
(KMS-260E)
B
9
5
A
8
4
3
W4
W3
VC
7
3
3
I
6
F
5
9
9
C
4
6
D
3
7
4
E
2
8
VEE
1
8
+B
Q11
R88
470K
0.2V
Q11
3.3V
+B
5
+
6
LD
CHANGE
-OVER
HEAD1
to HEAD
HEAD2
7
C
D
(X33-1260-00) (A/2)
: UMW1N
SPDL+
17
: 2SA1576A(R,S)
SPDL-
M
: 2SB798-DL
18
SLED+
: DTA144EUA
15
: DTC114YUA
SLED-
M
16
: DTA124EUA
LOAD M+
10
: DTC124EUA
D5
IC5
: FS1J6TP
D6
LOAD M-
11
M
: MA111
9
31
12
: S1B
33
1
13
TE2
1
36
2
14
TE1
2
38
3
15
FE1
3
40
4
16
4
FE2
43
5
17
RF
5
44
ADJUSTMENT
6
18
TP1
6
51
7
19
TP2
7
50
8
20
F
9
9
E
8
10
VC
3
1.8V
1.1V
C73
1
C56
1
2.1V
1
I
36
2.1V
2
BOTM
J
35
ABCD
1.8V
3
VC
3
1.7V
4
34
4
A
FE
1.7V
5
IC2
5
B
33
AUX
1.7V
6
RF AMP
32
6
C
ADFG
1.7V
7
7
D
31
ADAGC
1.7V
8
30
8
E
ADIN
3.3V
1.7V
9
9
F
29
1.8V
ADFM
0.2V
10
28
PD
2.7V
1.7V
SE
11
27
11
APC
CSLED
26
R85
0.2V
TE
0.4V
2.2K
12
25
12
APCREF
WELAD
R75
100K
C55
1000P
W2
3.5V
+B
+B
3.4V
LD
APC
ON/OFF
Q2
L3
L2
Q1
3.3V
3.5V
4
Q4
3
2
2.7V
1
5
R94
680
Q3
R95
4.7K
3.0V
Q5
Q6
3.3V
0V
+3.5V
E
F
10
3.3V
VCC
+B
+B
A4
9
A3
32
A5
8
A2
34
A6
7
A1
37
A7
6
A0
39
A8
5
XOE
A9
45
4
XCA
XRS
46
3
DO3
XWE
47
2
DO2
DO1
48
1
GND
DO0
49
51
51
52
4M DRAM
C7
R14
SHOCK PROOF
1.7V
53
0.47
100K
1.7V
54
3.5V
55
+B
COMP
0.4V
56
R16
C9
1.8V
57
100
4700P
58
R17 1K
R18
59
1.6V
C11 0.47
3.3K
60
1.6V
63
R19 1K
2.0V
61
68
2.0V
62
1.1V
63
63
0.3V
64
0.3V
64
64
1.4V
65
1.4V
65
ADIP DECODER
65
1.7V
66
66
2.0V
67
67
R82
1.8V
68
68
1.7V
100
69
66
2.0V
67
3.5V
70
+B
0.1V
71
C66 1
2.6V
1.7V
72
C67 4700P
73
R78 100
1.7V
74
74
74
C68 0.068
1.7V
75
75
R80
R79
1.7V
75
0.4V
100
560
IC1
ACIRIC
ATRAC
ENDECODER
R70
3.3
+3.5V
+3.5V
3
R93
4.7K
+3.5V
+3.5V
G
H
+B
0.8V
25
24
R8 10K
R9 10K
23
22
R10 10K
21
20
0V
19
18
17
CLOCK
GENERATOR
EFM/ACIRC
16
1.5V
ENCODER/DECODER
15
0V
14
3.2V
13
0V
12
3.3V
SUBCODE
11
3.3V
PROCESSOR
10
3.3V
9
3.2V
8
7
3.2V
6
3.1V
SERVO
5
3.2V
DSP
4
3.3V
3
3.3V
AUTO
SEQUENCER
PWM
SPINDLE
2
0V
GENERATOR
SERVO
1
3.3V
0V
+B
+B
+B
DIGITAL
REC
+3.5V
5.0V
+5V
+5V
IC8
HEAD
DRIVER
PRE DRIVER
C40
4.7
R43
13K
+3.5V
C43
C42
470P
470P
I
J
+B
+B
15
16
0.9V
17
18
R25 100
R26 100
16
96
92
97
R120
100K
78
93
R119
81
100K
94
98
87
84
82
R114
100K
85
91
R115
83
92
100K
88
89
91
90
IC11
R12
3.3
W5
X1
90.3168MHz
IC11
CLOCK
GENERATER
+3.5V
+5V

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