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K
L
(X33-1260-00) (A/2)
Q Q
3 7 6 3 1 5 1 5 0
3.3V
SL/SP MOTOR DRIVER
IC4
FOC./TRA.DRIVER
2.4V
15
VO4(+)
VO1(+)
2.2V
16
VO4(-)
VO1(-)
2.1V
17
VO3(+)
VO2(-)
2.5V
18
VO3(-)
VO2(+)
19
GND
VOL(+)
0V
1.8V
20
BIAS
VOL(-)
3.3V
21
MUTE
MUTE
1.5V
22
OPOUT3
OPOUT2
1.5V
23
OPIN3(-)
OPIN2 (-)
1.8V
24
OPIN3(+)
OPIN2 (+)
LOADING
25
OPOUT4
DRIVER
OPOUT1
1.5V
26
OPIN4(-)
1.5V
27
OPIN4(+)
OPIN1 (-)
T E
L
1 3 9 4 2 2 9 6 5 1 3
OPIN1 (+)
3.3V
28
REV
FWD
R24 100
IC10
0.8V
9
SDTI
SERIAL I/O
1.7V
10
LRCK
INTERFACE
27
1.6V
11
MCLK
29
CLOCK
DIVIDER
DECIMATION
DECIMATION
1.6V
12
SCLK
28
FILTER
FILTER
3.3V
13
PWAD
MODULATOR
14
PWDA
1.6V
15
AOUTL
MODULATOR
LPF
MODULATOR
COMMON VOLTAGE
1.6V
16
AOUTR
LPF
MODULATOR
ANALOG
OUT (Lch)
w w w
+3.3V
+5V
.
M
N
5.0V
+
+5V
Q7
3.3V
+B
31
+3.5V
14
2.3V
14
PLAY
13
2.2V
REC
13
W6
3.5V
12
2.6V
12
11
1.9V
11
51
52
10
53
10
+3.5V
54
+B
R116
55
9
1
3.3V
+B
9
56
VCC
8
5.0V
+B
+5V
57
58
+B
C87
59
390P
7
1.9V
C46
0.1
Q10
R122
6
1.4V
100K
59
86
RESET
R123
60
5
1.4V
100K
+B
85
61
3.3V
+B
62
X2
+B
10MHz
4
1.8V
1.3V
63
64
R128
100K
3
1.5V
1.6V
65
89
2
1.5V
R127
88
R53 470K
3.3V
66
100K
1
3.3V
R52 470K
3.3V
67
68
69
70
71
72
38
73
74
IC10
C48 0.1
A/D,D/A
3.5V
75
CONVERTER
SDTO
8
0.9V
DEM1
7
DEMO
6
3.3V
R35
VDD
1
5
+B
59
VSS
4
C32
2200P
AINL
3
1.5V
C37
AINR
2
1.6V
2200P
C39
10u16
VCOM
1
1.6V
5.0V
+
C38 0.1
+3.5V
ANALOG
REC IN (Rch)
+3.3V
x
a o
y
+5V
i
O
P
1
2
3
4
5
6
7
8
+B
+3.5V
R62
S3
47K
31
S2
S1
SLT
IOP2
IOP1
VREF
AVCC
MODE0
MODE1
3.3V
RESET
NMI
IC3
STBY
MD MECHA.
VCC
u-COM
XTAL
VSS
Q
Q
EXTAL
3
7
6
3
FWE
MODE2
CE
23
u 1 6 3
.
Q
R
(B/2)
8
2
4
9
9
8
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
VSS
SWITCH
+
13
or on the product. Refer to the voltage during RECORD-
R46
Q9
12
3.3V
4.7
VCC
+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
1
5
1
5
0
8
9
2
4
5
Q8
3.5V
4
R59
10K
2
0V
SDA
R60
10K
1
0V
SCL
+3.5V
CN1
1
MGND
2
DOUT
3
3
MGND
OUT
+3.5V
C31
+5V
4
M+5V
4.9V
100u6.3
5
DIN2
+
3.5V
+5V
6
M+5V
R31
2
360
7
DIN1
ADJ
S5
R41 220
8
DISC IN SW
3.5V AVR
R37 100
9
AOUTL
1
IN
+5V
+5V
10
+5V
S5
IC6
5.0V
11
AOUTR
DISC
+3.5V
IN
13
AGND
SW
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
m
77
21
CRXD
R66 100
76
22
CTXD
R50 100
+3.5V
23
23
BACKUPV
c o
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
2
9
9
indicates safety critical com-
9
8
2
9
9
X09-A/6
-CN51
2/2
A
AN-2
MDX-G2-H/-L
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