1
20
18 19
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
O
P
Q
R
S
1
2
3
V
CC
GND
OUT
C646
0.01
C653
0.01
GND2
PHOUT
GND1
ENB
C
B
VREF
IREF
DIF OUT
C OUT
C NF
A
NF
A
OUT
A
R947
100
C621
25V4.7
C620
0.01
Z600
RCDRPM6937H4
(REMOTE SENSOR)
R693
47
3
2
1
VR600
(VOLUME)
R935
100K
R932
100K
C654
0.01
C652
50V0.1
C651
50V0.1
R929
100K
C650
50V0.1
C647
50V0.1
D630
RVD1SS133TA
R955
470K
R958
4.7K
R915
12K
R916
22K
T
U
V
R914
10K
C637
100P
C634
100P
W
X Y
Z
d
b
R729
22K
R944
5.6K
D701
D700
D700,701
RVD1SS133TA
R728A
47K
C726A
33P
R724A
220
R725A
220
C725A
33P
R732
47K
R731A
10K
d
e
CP603
NC
MM I/O
NC
NC
NC
NC
NC
NC
+B(4)
MIC
M.GND
NC
SD
NC
SER5
SER3
NC
MUTEA
P
.CONT
L
VL1
H602
+B(6)
MK DA
T
A
MK CLK
VREF-
TPS
ADIN6
ADIN7
VREF+
IC603
M62457FPE1
SPE.ANA LYZER
AMP
Q605
2SA933SSTA
POWER SUPPLY
Q607
KRC102MTA
POWER SUPPLY CONT
Q703
KRC102MTA
INTERFACE
Q704
2SC3311ARTA
INTERFACE
V
CC
V
CC
/2
1
2
6
7
8
9
10
11
12
13
14
15
16
5
3
4
SCHEMATIC DIAGRAM-13
1
8
7
6
5
4
3
2
TO
DECK CIRCUIT
(CN1201) ON
SCHEMATIC DIAGRAM-8
TO
MAIN (CONTROL) CIRCUIT
(CN303) ON SCHEMATIC
DIAGRAM-18
:POSITIVE VOLTAGE LINE
:MIC SIGNAL LINE
8.6V
5.8V
5.8V
5V
5.1V
7.7V
5.1V
5V
5V
1.1V
5V
2.4V
2.4V
2.4V
5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
1.5V
5V
5V
5.2V
5.1V
4.4V
4.4V
0.1V
0.5V
0.7V
0.7V
0.5V