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P
Q
R
(X25-6012-72) (A/3)
H+5V
1
+5V
+5V
CN4
H GND
29
IC26
BUFFER
512fs
28
1.1V
1
14
+5V
27
(
1
)
A
R232
1.6V
13
+5V
26
100K
D OUT
25
2
R235
(
65
)
H+5V
24
12
2.5V
100
3.4V
3
42
(
3
)
11
0V
D IN
23
3.3V
22
+3.3V
5.2V
4
(
29
)
GND
21
10
0V
3.4V
5
(
5
)
9
1.7V
LOAD-OUT
20
3
GND
19
5.2V
6
(
30
)
LOAD-IN
18
7
8
2.6V
X33-
7
2
40
GND
CN101
M+5V
17
+5V
C265
LRCK
16
0.01
1/3
M+5V
15
DADT
14
A
M GND
13
DIGITAL
BCK
12
PLAY
M GND
11
ADDT
10
SCTX
9
35
SDA
8
MNTO(FOK)
7
5
C226
3.4V
Q33
MNT3(SLOCK)
6
3
0.01
10
IC27
IC25
(3/4)
14
3.4V
8
9
BUFFER
SWDT
5
66
3
5.1V
5.1V
1
14
5.2V
WRPWP
4
27
(
33
)
A
0V
2
13
IC27
(
34
)
(1/4)
1
12
0.5V
3.4V
3
2
XLATCH
3
28
0.2V
3
4
11
0.2V
3.0
IC27
5.0V
5
10
SRDT
2
1
(4/4)
13
9
C224
3.3V
11
12
SCLK
1
67
6
0.01
7
7
8
GND
CN5
SENSE
1
9
MNT1(SHCK)
2
11
DQSY
3
4
BUFFER
R217 1.8K
IC24
DIG-RST
4
12
R218
14
5.2V
3.0V
1
VCC
+5V
2.7K
X33-
SQSY
5
13
CN102
3.4V
SCL
6
13
13
4.6V
2
5.2V
R216
1/3
XINT
7
(
45
)
3.3V
3
12
100K
MNT2(X BUSY)
8
13
14
11
0V
B
LDON
9
17
11
5.2V
4
GND
10
(
47
)
R233 1.8K
3.4V
5
10
0V
MOD
11
18
50
R234
9
3.4V
9
2.7K
5.2V
6
(
REC-P
12
19
48
)
8
5.2V
REFRECT
13
20
7
15
GND
PB-P
14
21
PROTECT
15
23
5
16
STTLMT
17
24
25
DISC-IN
18
+5V
19
+5V
+5V
LOADING DRIVER
IC23
2SB1167
2SB1168
1
IN2
5.2V
2
+5V
VCC
0.6V
3
(
3
)
OUT2
4
NC
5
GND
5.2V
6
+
6
VS
0.6V
7
(
7
)
OUT1
R276
2.8V
8
VREF
15K
9
IN1
2SD2012
7
S
T
U
H+5V
+5V
+5V
8
+5V
+5V
Q30
+
5.1V
0V
(
7
)
0.4V
AC OFF:
BACKUP
OFF
0.3V
Q29
IC22
IC21
S RAM
0.2V
0.4V
5.2V
8BIT
MEMORY
LATCH
0V
80
1
DSUB1
79
2
0V
DSUB2
78
0V
3
SRCLAT
FLDCE
77
0V
4
DEMPH
(
)
4
EXCK
76
0.2V
5
DLAT
(
5
)
RD
75
5.2V
6
DCLK
(
6
)
WR
SRAM
0V
7
(
)
74
7
CS
DWDT
0V
8
(
8
)
STB
5.2V
9
73
DRDT
+5V
VDD
5.2V
10
(
10
)
EXDT
72
0V
11
MUTE
(
11
)
EXLAT
71
5.1V
12
VLLAT
(
12
)
XRST
D20
0V
13
(
13
)
SCL
70
CENA
5.1V
14
(
14
)
MNT2
69
IC20
CTXD
5.1V
15
(
)
68
15
SENS
MAIN
CRXD
R201 100K
u-COM
67
SCLK
5.1V
16
(
)
16
POWER
66
R207 3K
5.1V
17
SWDT
(
17
)
LDON
65
5.1V
18
SRDT
(
18
)
RMS
64
R204 100
+5V
5.1V
19
(
19
)
RECSW(REC-P)
63
R205 100
5.1V
20
VLDT
(
20
)
PEFRECT
62
R208 100
4.9V
21
NC
(
21
)
PHOTOSW(PB-P)
61
GND
22
GND
60
R213 100
NC
5.1V
23
(
)
23
PROTECT
59
R236 100
5.1V
24
BACKV
(
24
)
STTLMT
R239 100
5.1V
25
58
(
25
)
DISCIN
INISW
5.1V
26
57
VLCK
NC
0.2V
27
56
(
27
)
WRPWP
KEY3
3.0V
28
55
(
28
)
XLAT
5.2V
KEY2
29
54
(
29
)
MNT3
KEY1
30
53
(
30
)
MNT0
NC
52
+5V
51
VDD
C225
R228
0.22
100K
R206
R227 100K
100K
R226 100K
R220
R224 100K
1K
X3
12.5MHz
3
26
+5V
V
W
X
H+5V
H+5V
H+5V
+5V
+5V
5.1V
Q35
5.2V
+5V
+5V
5.2V
5.2V
5V
AVR
IC15
EXPANDER
0.6V
0V
IC
R288
47K
(
36
)
Q34
R289
C220
100
0.33F5.5
+
5.1V
BACKUP
CON.
IC19
0.2V
S RAM
0V
R231 100K
5.2V
80
0V
79
5.1V
78
0.2V
77
5.1V
76
5.1V
75
75
0V
74
74
0.2V
73
R202 100K
5.1V
72
5.1V
71
R203 100K
4.5V
70
3.8V
5.2V
69
1.9V
68
0.2V
67
63
5.1V
66
1.5V
65
5.2V
4.7V
+5V
5.2V
Q23
0.2V
41
4.7V
D0
0.2V
42
Q24
D1
4.5V
0V
0.2V
43
D2
0V
R230 10K
0V
44
BACKUP
STB
VOLTAGE
45
DETECTOR
5.2V
R242 100
GND
56
46
5.2V
R241 100
55
47
R240 100
5.2V
54
48
4.5V
49
5.2V
(
70
)
CENA
IC17
+5V
3.8V
50
(
69
)
CTXD
TEXT INPUT
1.9V
51
u-COM
(
68
)
CRXD
52
C205
0.01
53
C206
5.2V
54
0.01
55
+5V
VDD
R252 100K
56
4.5V
+5V
R253 100K
57
2.6V
R254 100K
0V
58
R255 100K
0V
59
R256 100K
0V
60
+5V
+5V
+5V
+5V
+5V
Y
Z
AA
H+5V
1
2
3
4
5
6
7
+5V
(
)
71
(
46
)
D21
5.1V
RESET
RESET IC
4.9V
(
43
)
Q25
IC14
R292
C218
R290
1K
1u50
470
H+5V
+
OUT
IN
+
GND
5.0V
0V
30
29
+5V
C216
47u10
+
4.5V
5.2V
C261
330u6.3
+5V
+5V
+
23
OW20N
24
OW20N
5.2V
25
+5V
1ISN
26
1ISN
27
IC13
STATE
28
SAMPLING
TST1N
RATE
IC18
29
CONTROL
TST2N
30
8BIT
RSTN
MEMORY
31
LATCH
RSTN
5.2V
32
VSS
33
VSS
+5V
+5V
4.5V
20
19
4.5V
18
17
16
15
14
13
CD TEXT
12
DECODER
IC16
11
VSS
8
2.4V
TEST
10
9
X1
SW1
XMODE
2.6V
9
5.2V
10
X2
+5V
SW2
5.2V
4.5V
11
SCLK
WFCK
8
C207
0V
12
VDD
+5V
(
78
)
SRDT
SCOR
7
5.1V
0.01
RESET
5.2V
13
(
)
73
DQSY
SBSO
6
EXCK
5
5.2V
14
+5V
VDD
4
4.5V
3
X MODE
2
5.0V
1
4.5V
SCLK
4.5V
+5V
+5V
AB
AC
AD
D
C
CN2
CN3
8
9
10 11 12
13
14
15 16 17
18 19
20
21 22 23
24
25
26
27
1
2
3
4
5
6
7
8
9
10
11
12
13
C264 0.01
(
42
)
C263 0.01
+5V
C227 0.01
-30V
-30V
H+5V
+5V
+5V
+5V
Q36
5.2V
C259
0.01
16
60
GND
GND
5.2V
17
59
NRSTO
NC
11
R307
5.6V
18
58
IFM2
5.2V
LRCKO
NC
10
220
19
IFM2
57
DATAO
NMUTE
+5V
0V
9
0V
IFM1
20
56
BCKO
LRLH
+5V
8
21
55
IFM1
TEST0
MMOD1
7
IC12
ICKSL
22
54
TEST1
MMOD0
6
2.4V
D.R.I.V.E.
ICLK
23
53
(REC)
NC
HCKO
5
2.6V
24
52
LRC1
NC
5.2V
MCKO
4
2.6V
R308
25
51
BCK1
8FSWCKO
VDX
+5V
3
220
0V
BCK1
26
50
2
R309
8FSRDATAO
XO
D1
27
49
2.4V
8FSLDATAO
XI
1
220
28
48
D1
8FSBCKO
GNDX
DIGITAL
29
47
NC
NC
REC
5.2V
30
46
VDD
5.2V
VDD
+5V
5.2V
DIGITAL
0V
+5V
+5V
5.2V
A1
3
VDD
7
GND
2
6
GND
4.5V
1
OUT
5
2.4V
MCK
0.7V
4
5.2V
22
5.2V
A2
3
0V
20
3
VDD
2
5.2V
21
1
0V
2
23
GND
1.7V
1
OUT
E2
CN11
R279
WH2
D29
L3
330
DATA
(
82
)
1
3
R281 100K
GND
2
2
R280 100K
L2
BUSY
(
81
)
3
1
D30
R282
330
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