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SCHEMATIC DIAGRAM-6
:POSITIVE VOLTAGE LINE
B
3.3V
(1.7V)
0V
3.3V
3.3V
L10
10
H
1.4V
L9
10
H
1.4V
C100
0.1
1.4V
C97
4V4.7
3.3V
3.3V
R76
10
5V
8
IC6
TC7W04FTE12L
INVERTER
1
5V
( 0V)
0V
:MD PLAYBACK SIGNAL LINE
3.3V
5V
A D C E
IC4
AK4518VF-E2
AD/DA CONVERTER
0V
0.8V
DGND
SDTO
13
12
1.7V
VD
SCLK
14
11
1.7V
0V
SDTI
LRCK
15
10
1.7V
CMODE
MCLK
16
9
0V
3.3V
DEM1
/PWDA
17
8
3.3V
DEM0
/PWAD
18
7
1.4V
AOUTL
AINL
19
6
1.4V
AOUTR
VCML
20
5
1.4V
VCOM
VCMR
21
4
0V
1.4V
AGND
AINR
22
3
3.3V
VB
VRAD
23
2
3.3V
VA
VRDA
24
1
3.3V
B
C
A
R210
390
4.9V
4.9V
(4.9V)
(4.9V)
0V
0V
0V
7
6
5
2
3
4
5V
0V
( 0V)
0V
:MD RECORDING SIGNAL LINE
Q13
2SB1121ST-TD
REGULATOR
3.3V
5V
U V T
4.3V
0V
4.1V
5
4
1
2
3
0V
5V
3.3V
R201
4.7K
IC5
R31 22K
RN5RG33AA-TL
REGULATOR
R21 22K
C88
330P
R61
C93
22K
0.1
C94
4V4.7
R62
C96
22K
4V4.7
C89
330P
R211
100
R212
390
3.3V
R213
100
R214
0
R215
390
5V
5V
C140
X
0.1
W
A
J
R120
I
R119
H
K
R118
D
R79
1K
F
R123
E
R112
R
R111
Q
L8
P
R63
10K
C95
0.1
CN4
30
DEO
29
DA.GND
28
SDAP
27
A+3.3V
26
SDAR
25
SCL
24
M.GND
23
M.GND
22
SWS
21
M+5V
20
D+3.3V
19
L+5V
18
LOAD SW
To
17
NC
CIRCUIT
16
D.GND
(CN402) on
L14
15
HEAD+5V
2.2
H
SCHEMATIC
14
SYSRST
DIAGRAM-9
13
DATAO
100
12
DATAI
100
11
CLK
L7
2.2
H
10
CS
1K
9
REQ
8
RX2
7
RX1
6
LED3
5
TX
1K
4
LED1
220
3
KEY2
220
2
KEY1
2.2
H
1
VREF-
W
Q
E
MAIN
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