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MAIN SECTION
5VD
6N137
IC8
R73
R74
1
8
NC
VCC
1 4
2
7
L11
LA
EN
1
4
220
3
6
1K
RXD
2
LC
OUT
IN
2
4
5
NC
GND
2
3
C72
D8
100nFC
1N4148
3
5
SBT0160W
1
JK6
M
C73
MGPR5L
5VD
100nFC
I
D
R66
10K
I
1
Q11
2
TXD
BC560B
1 4
L9
R67
1
4
3
10K
OUT
2
R65
2
3
220
SBT0160W
3
5
TXD1
R64
JK5
RXD1
220
MGPR5L
L10
XRES
SBT0460
5VD
MODSEL
DAMP
2
R77
D9
R76
22K
1N4148
22K
DAMP
1
3
R75
CERAMIC DISK 20%
L12
2
1
4
2
Q12
3
2
BC549B
1K
1
2
3
1
D10
JK7
SBT0160W
1N4148
C74
HLJ052001110
1
100nF
SUSTAIN
5%
5VD
R85
10K
JIG TEST
MODSEL
MODSEL = 0V
R86
10K
NIU
JK2
HEC-2305-01-230
1
2
+
C19
L4
C20
1
1
4
D3
12V/1A
-
2
BY251
3
2
3
PLT1-R53C
100nF
EMI_FILTER
100nF
R78
R79
R80
R81
R82
0
0
0
0
0
NIU
NIU
C1
3300uF25
C13
100nF
R5
C4
100
10uF25
C5
1/4W
FROM MAIN SECT.
RIGHT
*
CN8
IC1
2
3
47uF16
CONN_2X1
TDA1905
R6
V
B
ROUT
2
5
1
S
S
MUTE
OUT
AGND
1
8
7
IN+
SVR
10K
6
4
C29
IN-
THR
1uF50
G
G
G
G
G
G
G
G
R1
C28
10K
1
1
1
1
1
1
1
1uF50
C25
C6
9
0
1
2
3
4
5
6
4.7uF25
22uF16
R70
2K7
C27
1uF50
R26
470
R69
2K2
VPD
5VA
D2
2
BZX79C6V2
R12
R14
10K
R13
R10
47K
100
R11
4K7
1
Q2
10K
3
Q1
R9
3
2
1K
2
C12
R15
1
47uF16
150K
BC549B
BC549B
1
5VD
1
2
3
C62
D6
4.7uF16
1N4148
2
1
-4V
1
D7
C63
1N4148
47uF16
2
from Cpu Board Cn3
CN10
AMPC1.2714P
5VD
FL1
ELKTR391CA
8
7
DACC
9
6
SCK
1
3
10
5
SD
C70
11
4
5VD
2
12
3
4
L16
13
2
100nF
D
14
1
V
EXCELDR25V
R61 1K
D
D
DACC
13
C68
C69
LRCK
R62 1K
4.7nFC
100nFC
SCK
16
C67
CLK
100uF16
R63 1K
15
SI/LSI
SD
3
NC
1
4/8FS
14
LR/RSI
D
G
N
D
IC6
2
UPD6376GS
FLAT
R88
0
NIU
VPD
R27
TO-220 with heat-sink
IC3
C24
5VA
D1
2.2
3W
SW1
L4940V5
10uF16
1N4002
T
1
2
1
2
O
VI
VO
9V
G
SPUN 19F
N
2
M
D
A
C33
C34
C2
100nFC
I
3
100nFC
5VA
C3
N
2200uF25
5VA
100uF25
1
AGND
S
DGND
E
DGND
C
R87
T
.
0
NIU
R22
100I
C14
FROM MAIN SECT.
100nF
CN9
*
R16
CONN_2X1
C8
100
LOUT
2
LEFT
10uF25
C9
1/4W
AGND
1
C30
1uF50
R17
IC2
C7
10K
2
3
47uF16
TDA1905
2200uF16
R
V
B
5
1
S
S
MUTE
OUT
8
7
IN+
SVR
6
4
IN-
THR
R23
R24
R2
1
C31
G
G
G
G
G
G
G
G
R18
nc
nc
1/4W
10K
1uF50
1
1
1
1
1
1
1
C26
C10
9
0
1
2
3
4
5
6
C22
C21
4.7uF25
22uF16
R3
nc
nc
2K2
5%
R72
5%
C32
2K7
1uF50
C15
R4
R25
R19
220nF
820
470
820
R71
C17
C18
2K2
33nF
33nF
5%
5%
f
r
o
9V
m
p
o
w
5VA
e
5VA
AGND
r
DGND
DGND
s
u
p
p
l
TP8
y
XRES
5VA
L8
XRES
L5
TP9
RESET
EXCELDR25V
EXCELDR25V
SW2
GND
R68 1K
NIU
C36
NIU
IC7
1000uF16
5
VCC
RES
C71
NC
4
GND
CAP
M51953A
100nF
XRES
R32 15K
XRES
C51
330pF
IC4A
R56
R34
M5218P
4K7
2K2
2
L
1
3
C42
10uF16BP
C49
8V
8
4
5VA
10nF
C58
100NFC
C57
7
8
C35
10uF16
R33 15K
A
A
100nF
V
V
D
D
D
D
L
11
C52
330pF
L.OUT
R
R
6
R.OUT
R57
R35
4K7
2K2
6
7
9
5
R.REF
C43
IC4B
C50
10uF16BP
M5218P
10nF
10
8V
8V
L.REF
C41
A
A
10uF16
C54
C53
G
G
2
N
N
D5
D
D
100uF16
100uF16
R44
1N4148
10K
5
1
2
1
R43
10K
POWER SECTION
L1=L2=L3=L13=L14=L15=BLO3RN2-R62T2
JK1
YKB21_5006
8
7
1
3
R8
L1
2
P
4
100I
5
H
1
R7
L2
O
L3
N
100I
E
8
7
S
3
R83
L13
2
2
4
100I
5
1
R84
L14
JK8
YKB21_5006
100I
L15
C11
2200uF16
L
R20
T
CN3
1
O
5045-04A
1/4W
S
1
GND
R21
P
2
LSR
E
2K2
3
GND
A
4
LSL
K
C16
E
220nF
R
S
LEFT
RIGTH
High Freq. Boost
R19 C17
R23 C22
Low Freq. Boost
R4 C18
R24 C21
R50
R49
47K
220K
3
8V
9VA
2
Q8
Q7
BC549B
BD371
3
1
5VD
9VA
1
3
2
Q9
BC549B
1
2
R55
R52
100K
C56
47K
R58
C37
C46
47uF16
4K7
100uF16
1000uF16
C38
NIU
R45 1K
47uF16
R60
3
nc
XRES
-4V
R46 1K
R59
220K
C60
82pF
R47 1K
R53
27K
R40 1K
3
IC5A
C39
M5218P
R38
L
10uF16BP
12K
2
1
3
R31 1K
C44
L
10uF16BP
8V
8
4
R30
1K
3
R41
100K
C59
100NFC
C61
82pF
R29 1K
R
R39
R54 27K
R
12K
R28 1K
R42
3
C45
100K
C40
10uF16BP
10uF16BP
6
7
5
IC5B
M5218P
C64
100NFC
FIX2
C65 100NFC
9VA
R48
1K
R51
1
2
Q10
2
47K
BC560B
3
D4
BZX79C4V7
C55
1uF50
1
t
CN4
*
o
CONN_2X1
2
Q6
1
AGND
p
2SC2878
2
LOUT
o
1
w
e
1
AGND
r
2
ROUT
s
CN5
*
e
CONN_2X1
c
t
.
2
Q5
2SC2878
1
FL3
JK3
ELKTR391CA
R36 680
HLJ052001110
1
3
2
3
2
2
1
L/M
Q3
O
2SC2878
L6
U
1
EXCELDR25V
T
P
FL4
JK4
ELKTR391CA
R37 680
HLJ052001110
U
1
3
2
3
T
2
2
1
R
Q4
2SC2878
L7
1
EXCELDR25V
100nFC
TP4
TP1
TP5
TP2
TP6
TP3
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