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S310
(HOLD)
OFF
R342
1K
R366
39
2
21MTX
CHING
1
21MTX
V
j
DRIVE
u
i
h
E
g
F
f
e
U
d
B
A
C
D
G
I
K
P
J
O
Q
S
Y
t
X
R
L
W
R509
330
2.5V
2.5V
3.6V
8
19
A
B
C
D
R
13
12
11
10
9
8
IC502
C3ABMB000033
16M DRAM
14
15
16
17
18
19
F
G
H
I
J
A
B C D E F G H I J
20
19
18
17
16
15
14
13
12
1.8V
DV
2
21
DD
(0.8V)
0V
SPOUT
22
IC501
0V
TRV+
23
MN6627911AC
0V
TRV-
24
SERVO PROCESSOR /
0V
TR+
DIGITAL SIGNAL PROCESSOR /
25
0V
DIGITAL FILTER & D/A CONVERTER
TR-
26
0V
FO+
27
0V
FO-
PLAY
28
2.5V
IOV
1
29
DD
1.2V
TBAL
30
1.2V
F=75Hz
31
FBAL
PLAY
1.2V
32
FE
0.5V
PLAY
1.2V
P-P
33
TE
1.2V
34
RFENV
1kHz, 0dB
0V
35
OFT
T
(0V)
2.4V
PLAY
NRFDET
36
0V
BDO
0.9V
37
(2.8V)
0V
P-P
LDON
38
1.4V
ARF
39
0.5
s. 0.2V/DIV.
1V
IREF
40
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
C516
0.1
20
21
N
O
Q
P
6
5
4
3
2
1
21
22
23
24
25
26
E
K
M
L
1.8V
R
K L M N O P
Q
11
10
9
8
7
6
5
4
3
2
1
NC
80
1.8V
1.7V
DV
1
DD
79
P-P
DVss1
78
1.2V
F=16.9MHz
X1
77
1.2V
X2
76
2.5V
2.1V
NTEST
75
P-P
TXTCK
74
F=16.9MHz
TXTD
73
2.5V
DQSY
72
PLAY
PMCK
0V
71
2.8V
0V
SPPOL
70
P-P
2.4V
NRST
69
0.2
s. 1V/DIV.
0V
2.5V
STAT
68
SBCK
67
0V
1.2V
SMCK
66
13.3ms.
PWMSEL
65
0V
BLKCK
64
PLAY
2.5V
2.5V
MLD
63
0V
MDATA
62
0V
2.5V
T
13.3ms.
MCLK
61
0.5
R604
270
22
D501
SB00703QTL
B
D
2.4V
G
A
0V
S
Q502
2SK1958T1
SWITCHING
C501
12P
C522
12P
D
R514
C514
680
1000P
F
E
R511
1K
A
R512
1K
C
B
PLAY
2.5V
0V
s. 1V/DIV.
RJ503
0
A
R603
270
B
C
R515
15
SL-CT700(GK,GD) MAIN CIRCUIT DIAGRAM
23
24
R516
100K
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