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Kenwood MDX-G2-L Service Manual page 7

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K
L
(X33-1260-00) (A/2)
3.3V
SL/SP MOTOR DRIVER
IC4
FOC./TRA.DRIVER
2.4V
15
VO4(+)
VO1(+)
14
2.3V
2.2V
16
VO4(-)
VO1(-)
13
2.2V
2.1V
17
VO3(+)
VO2(-)
12
2.6V
2.5V
18
VO3(-)
VO2(+)
11
1.9V
19
GND
VOL(+)
10
0V
R116
1.8V
20
BIAS
VOL(-)
9
VCC
8
5.0V
3.3V
21
MUTE
MUTE
1.5V
22
OPOUT3
OPOUT2
7
1.9V
1.5V
23
OPIN3(-)
OPIN2 (-)
6
1.4V
1.8V
24
OPIN3(+)
OPIN2 (+)
5
1.4V
LOADING
25
OPOUT4
DRIVER
OPOUT1
4
1.8V
1.5V
26
OPIN4(-)
1.5V
27
OPIN4(+)
OPIN1 (-)
3
1.5V
OPIN1 (+)
2
1.5V
3.3V
28
1
REV
FWD
R24 100
IC10
0.8V
9
SDTO
SDTI
SERIAL I/O
DEM1
1.7V
10
LRCK
INTERFACE
27
1.6V
11
MCLK
DEMO
29
CLOCK
DIVIDER
DECIMATION
DECIMATION
1.6V
12
SCLK
28
FILTER
FILTER
3.3V
13
PWAD
MODULATOR
14
PWDA
AINR
1.6V
15
AOUTL
MODULATOR
LPF
MODULATOR
VCOM
COMMON VOLTAGE
1.6V
16
AOUTR
LPF
MODULATOR
ANALOG
OUT (Lch)
+3.3V
+5V
M
N
5.0V
+
+5V
Q7
3.3V
+B
31
+3.5V
14
PLAY
S3
REC
S2
13
S1
W6
3.5V
SLT
12
11
51
IOP2
52
IOP1
53
10
+3.5V
VREF
54
+B
AVCC
55
1
3.3V
+B
MODE0
9
56
+B
MODE1
+5V
57
58
+B
C87
59
390P
C46
0.1
Q10
3.3V
R122
100K
59
86
RESET
RESET
R123
60
100K
+B
NMI
85
61
3.3V
+B
STBY
62
X2
+B
VCC
10MHz
1.3V
63
XTAL
64
R128
VSS
100K
1.6V
65
89
EXTAL
R127
88
R53 470K
3.3V
66
100K
3.3V
FWE
R52 470K
3.3V
67
MODE2
68
69
70
71
72
38
73
74
IC10
C48 0.1
A/D,D/A
3.5V
75
CE
CONVERTER
8
0.9V
7
6
3.3V
R35
VDD
1
5
+B
59
VSS
4
C32
2200P
AINL
3
1.5V
C37
2
1.6V
2200P
23
C39
10u16
1
1.6V
5.0V
+
C38 0.1
+3.5V
ANALOG
REC IN (Rch)
+3.3V
+5V
O
P
1
2
3
4
5
6
7
8
+B
+3.5V
R62
47K
31
VSS
VCC
IC3
MD MECHA.
u-COM
SDA
SCL
OUT
3.5V
ADJ
IC6
Q
R
(B/2)
R64
47K
1
WH1
2
WH2
3
WH3
S4
PROTECT
REFRECT
+3.5V
CAUTION: For continued safety, replace safety critical
components only with manufacturer's recommended
parts (refer to parts list).
25
ponents. For continued protection against risk of fire,
24
replace only with same type and rating fuse(s). To
23
reduce the risk of electric shock, leakage-current or
22
resistance measurements shall be carried out (exposed
21
parts are acceptably insulated from the supply circuit)
20
before the appliance is returned to the customer.
19
18
17
16
The DC voltage is an actual reading measured with a
15
high impedance type voltmeter. The measurement value
C45
14
100u6.3
BUCK-UP
may vary depending on the measuring instruments used
SWITCH
+
13
or on the product. Refer to the voltage during RECORD-
R46
Q9
3.3V
4.7
12
+B
+B
ABLE MD PLAY unless otherwise specified; The value
3.5V
shown in ( ) is the voltage measured at the moment of
11
IC7
STOP. The voltage followed by (REC) refers to the
10
value during MD RECORDING.
9
BACK
8
UP
E2PROM
7
6
5
Q8
3.5V
4
R59
10K
2
0V
R60
10K
1
0V
+3.5V
CN1
1
MGND
2
DOUT
3
3
MGND
+3.5V
C31
+5V
4
M+5V
4.9V
100u6.3
5
DIN2
+
+5V
6
M+5V
R31
2
360
7
DIN1
S5
R41 220
8
DISC IN SW
3.5V AVR
R37 100
9
AOUTL
1
IN
+5V
+5V
10
+5V
S5
X09-A/6
5.0V
11
AOUTR
DISC
-CN51
+3.5V
IN
13
AGND
SW
2/2
12
DGND
14
NC (MUTE)
15
AINL
R36
16
DGND
100
17
AINR
DIGITAL IN
59
18
MECHARST
75
19
CE
20
BACKON
R65 100
77
21
CRXD
R66 100
76
22
CTXD
R50 100
+3.5V
23
23
BACKUPV
3.5V
+3.5V
24
+3.5V(OUT PUT)
25
HGND
5.0V
+5V
+5V
26 H+5V
MDX-G1/G2 (1/2)
Y39-3940-21
S
T
indicates safety critical com-
A
AN-2
MDX-G2-H/-L

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Mdx-g2-h