IC4
IC7
IC2
IC6
D102
D1
D5
D6
D4
Q105
Q101
Q103
Q104
D101
IC103
IC101
IC3
IC1
IC5
C63
R33
C64
C28
C29
R63
R112
R32
R54
R53
C30
R38
C60
R39
R52
C71
C76
C77
C78
C80
C79
C123
R23
C15
C14
C19
C17
C18 C16
C4
C3
C5
C8
C13
C12
C11
C20
C23
C22
C21
C26
C25
C24
R59
C9
R106
R105
R109
R110
R107
R108
R102
R103
R104
R101
R125
R126
R113
R131
R130
R114
C108
W115
C107
C104
C105
C106
R129
R120
R121
C118
R115
R116
R117
C103
C101
C102
R122
R123
R124
C113
W101
C120
C121
C114
C116
C7
C122
R111
R57
R56
R55
R17
R66
R18
R65
R30
R60
C69
C27
EB
EB
BE
1
4
5
8
C115
R118
R127
R128
C214
R29
C125
14
8
1
7
14
8
7
1
11
12
22
23
33
34
44
14
1
15
28
4
1
5
8
1
4
5
8
33
32
17
16
1
64
49
48
5
8
1
4
BE
C119
R73
1
KARAOKE MIC VOL
E2
E5
E1
E4
E6
DAC
LPF
OPEN/CLOSE
MIC 2 VOL
MIC 1 VOL
TIT.SEARCH
ALL INFO
TEXT DISP
DISP
DOWN
UP
DOWN
UP
KARAOKE MIC AMP
REPEAT
24BIT
D.R.I.V.E. II
E8
WH3
WH3
WH101
ST
ANDBY
ST
ANDBY
WH1
WH2
S7
S6
S5
S10
S9
S8
S11
S12
S4
S3
S2
Q2
Q1
D2
S1
CN101
S13
IC102
E102
P103
E7
ED1
E9
D3
J101
E101
J102
P101
MIC2
MIC1
1
14
WH1
GND
+B
+B
-B
GND
VOLTL
BCK
DIN
LRCK
GND
D5V
VCC
VCC
GND
RESET
MUTE
EMPH
D5V
RESET
MUTE
NC
NC
NC
EMPH
NC
NC
D5V
D-GND
LRCK
BCK
DATA
MCK
CN2
+12V
L-CH
GND
R-CH
-12V
NC
NC
NC
GND
MUTE
GND
GND
R68
W53
W52
W70
C46
C39
C42
C47
C38
W54
C56
C58
C57
C55
C53
C54
R70
R69
W65
W64
W57
R72
CN3
C70
C75
W58
C51
C40
C52
C41
C68
C74
R74
R71
W71
W104
W112
W111
W109
W110
W107
W114
W113
W18
C6
W7
W13
W3
W12
W15
W14
R8
C59
C83
WH5
C84
W105
C1
W56
R41
R40
R49
R45
R44
R46
R47
R43
R48
R42
C37
C32
C35
W69
C36
C43
C44
C45
W61
W50
W62
W63
W67
W66
W68
C48
W59
R35
R36
R34
C33
W51
W55
W60
W108
R1
R15
R16
R28
R11
R10
R9
69
1
R13
R12
R14
R4
R3
R2
R7
W16
W6
W4
W25
W23
W24
W21
W19
W10
W22
R24
E3
A1
C117
C109
C110
W103
W102
W20
W17
W8
W9
W29
W30
W26
W33
W32
W31
W1
W2
W5
CN1
W27
W28
W116
5
1
3
1
3
1
1
5
1
1
21
3
1
7
1
9
8
16
1
2
6
1
1
8
1
8
7
WH2
1
2
3
R50
C62
C61
R51
C65
C66
C67
W34
R26
R27
R25
R5
R6
W11
R62
R67
X14-4840-10 A/7 (J70-1238-11)
X14 E/7
X14 C/7
X14 G/7
X14 D/7
WH102
WH103
E
E
B
B
RED
WH4
X14 F/7
-B
-B
VOLTR
X14 B/7
K
M
O
Q
S
L
N
P
R
T
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
15
16
DV-K751(K)
pcbsd2,2(
98.12.12
15:09
y [ W 6