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1
2
3
31
A
ADAT
A
F
5/15,12/15
R 3 6 0 4
L R C K _ I 2 S _ 1
5:10F;12:3H;9B
(MA_D)
R 3 6 0 7
5 6
A
F
12/15
A D A T _ M A S T E R
12:5F
R 3 6 0 5
5 6
B C K _ I 2 S _ 1
A
F
5/15,12/15
5:10F;12:3G;9B
5 6
V+3R3A
R 3 6 0 6
M C K _ I 2 S _ 1
5:10F;12:3E;9B
0
A
F
5/15,12/15
B
GNDA
GNDA
C
GNDA
D
E
MUTE
V+12E
V+12SW
CPU_
MVR_
MASTER
MUTE
MUTE
MUTE
MUTE
L
L
H (ON)
H (ON)
L
H
H (ON)
H (ON)
V-15A
V-15A
H
L
(OFF)
(OFF)
V-15A
H
H
H (ON)
GNDD
(OFF)
F
CPU_MUTE
33
A
F
7/15
Q 3 6 0 1
L S C R 5 2 3 U B
R 3 6 2 1
From MAIN_UCOM
C P U _ M U T E
7:9D
4 . 7 k
V+3R3E
Q 3 6 0 8
A
F
2/15,7/15
N M
x A C _ O F F
2:4D;7:9D;9F
Q 3 6 0 7
N M
G
GNDD
35
A
F
1/15
From BOARD IF
M V R _ M U T E
1:4E
H
A
F
13/15
4
5
MASTER DAC
V+3R3A
R 3 6 3 5
IC3601
5 6
R 3 6 3 7
WM8740SEDS
R 3 6 3 6
5 6
1
2 8
L R C I N
5 6
R 3 6 3 8
M L / I 2 S
2
2 7
C 3 6 2 4
1 0 0
D I N
M C / D M 1
3
2 6
0 . 0 1 u / 1 6
B C K I N
M D / D M 0
(MA_O)
4
2 5
GNDD
M O D E 8 X
M U T E B
(MA_O)
5
2 4
S C L K
M O D E
R 3 6 1 5
V+5A
6 D I F F H W
2 3
C S B I W O
7
2 2
0
D G N D
R S T B
R 3 6 3 0
8
2 1
D V D D
Z E R O
N M
9
2 0
STBY
A V D D R
A V D D L
1 0 A G N D R
1 9
A G N D L
1 1
1 8
V M I D R
V M I D L
1 2
1 7
GNDA
V O U T R P
V O U T L P
1 3
1 6
V O U T R N
V O U T L N
1 4
1 5
A G N D
A V D D
GNDA
C 3 6 1 6
SR
1 0 0 0 p / 5 0
C 3 6 1 7
SR
C 3 6 2 5
SR
0 . 0 1 u / 2 5
N M
C 3 6 3 3
C 3 6 2 6
SR
SR
1 0 0 0 p / 5 0
N M
C 3 6 3 4
SR
GNDOUT_MAS
0 . 0 1 u / 2 5
GNDD
Q 3 6 0 4
MUTE
L S A R 5 2 3 U B
34
A
F
1/15
M U T E
1:2B;1:7G
Q 3 6 0 2
L S C R 5 2 3 U B
GNDD
GNDD
GNDD
V-15A
M_MUTE
Q 3 6 0 5
L S A R 5 2 3 U B
36
MVR_MUTE
Q 3 6 0 3
L T C 0 2 4 E E B
GNDD
GNDD
V-15A
GNDD
6
7
8
A
F
9/15
D A C _ M _ x C S
9:5B
D A C _ C C L K
9:4B;9B;14:3C
A
F
9/15,14/15
D A C _ C D T I
9:4B;9B;14:3D
A D D A _ x R E S E T
4:10C;4:10F;5:10C;5:10F;6:6C;12:12F;9B;14:3C
A
F
4/15,5/15,6/15,12/15,14/15
M A S T E R _ L +
1:4B
M A S T E R _ L -
1:4B
A
F
1/15
M A S T E R _ R -
1:4B
M A S T E R _ R +
A
F
5/15,12/15
1:4B
M C K _ I 2 S _ 1
5:10F;12:3E;2B
B C K _ I 2 S _ 1
5:10F;12:3G;2B
A
F
12/15
A D A T _ B O O T H
12:5F
L R C K _ I 2 S _ 1
5:10F;12:3H;2A
A D D A _ x R E S E T
4:10C;4:10F;5:10C;5:10F;6:6C;12:12F;6A;14:3C
A
F
D A C _ B _ x C S
4/15,5/15,6/15,12/15,14/15
D A C _ C C L K
9:4B;6A;14:3C
D A C _ C D T I
9:4B;6A;14:3D
A
F
9/15,14/15
A
F
9/15
POWER DOWN DETECTION CIRCUIT
A
F
1/15
To MASTER1
M A S T E R _ M U T E
1:4B
MASTER2
9
10
A
F
13/15
32
BOOTH_DAC
V+5A
SR
ADAT
R 3 7 2 3
IC3606
1 0
R 3 7 0 3
1
1 6
M C L K
D Z F
1 0
R 3 7 0 4
2
1 5
B I C K
D V D D
(B_D)
5 6
R 3 7 0 5
3
1 4
S D T I
A V D D
R 3 7 0 6
5 6
4
1 3
L R C K
V S S
5 6
R 3 7 0 7
5
1 2
C 3 6 6 7
R S T N
V C O M
(B_O)
2 2 u / 6 . 3
R 3 6 9 7
1 0 0
6
1 1
B O O T H _ L
C S N
A O U T L
1:5B
9:4B
5 6
R 3 6 9 8
7
1 0
B O O T H _ R
C C L K
A O U T R
1:5B
5 6
R 3 6 9 9
8
9
C D T I
N C
5 6
C 3 6 7 1
SR
C 3 6 2 8
SR
AK4387ET
1 0 0 0 p / 5 0
N M
C 3 6 7 2
C 3 6 2 9
SR
SR
0 . 0 1 u / 2 5
N M
GNDD
C 3 6 3 1
GNDOUT_BOO
SR
1 0 0 0 p / 5 0
C 3 6 3 2
SR
0 . 0 1 u / 2 5
GNDD
GNDA
V+3R3E
A
xAC_OFF
F
2/15,7/15
x A C _ O F F
2:4D;7:9D;2G
V+12SW
117
I C 3 6 0 2
1
5
O U T
C D
2
V D D
3
4
V S S
N C
S-80930CNMC-G80
GNDD
(MA_D)
: MASTER DIGITAL Signal
(MA_O)
: MASTER OUT Signal (L ch)
(B_D)
: BOOTH DIGITAL Signal
(B_O)
: BOOTH OUT Signal (L ch)
11
12
MAIN ASSY (DWX3953)
MASTER/BOOTH DAC BLOCK
A
F
1/15
NOTES
NM
is STBY
RS1/16SS***J
RS1/10SR***J
RS1/16SS****D
(D)
RS1/10SR****D
(F)
RS1/16SS****F
SA
RS1/4SA***J
SQ
RS1/8SQ***J
RN
RN1/16SE****D
CCSSCH****
CCSRCH****
CKSSYB****
CKSRYB****
S
CKSYB***K
CKSQYB***K
SQ
+
CEVW***M
The check point for service.
*****
(Legend silk indication on the PCB.)
A
F
13/15
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