Page
13
of
15
AUDIO BLOCK DIAGRAM
+
48
V
+
48
V
M
IC
IN
M
ICRO
P
RO
CES
SO
R
M
IC
SELE
CT
G
A
IN/
P
H
P
WR C
O
NT
RO
L
HEA
D
P
HON
E/
OU
TP
U
T
6.35
mm
ST
ER
EO
HEA
D
P
HON
E
SO
CK
ET
6.35
mm
ST
ER
EO
HEA
D
P
HON
E
SO
CK
ET
D
C:DC
CO
N
V
ER
TER
EX
T
+
9V
t
o
+
15
V
-5
V
+
5V
+
48
V
D
ISP
LA
Y
M
IC
IN 1
G
A
IN U
P
M
IC
IN 1
G
A
IN D
O
WN
M
IC
IN 2
G
A
IN U
P
M
IC
IN 2
G
A
IN D
O
WN
A
D
C
RE
M
OTE
CO
N
TRO
LLED
P
RE
-A
M
P
10
t
o
6
0dB
A
D
C
G
A
IN/
P
H
P
WR C
O
NT
RO
L
PPM
PPM
D
SP
(M
IX
/
FA
D
E,
M
ETERI
N
G,
&
GA
IN
)
C
O
NT
RO
L S
IG
NA
LS
GA
IN
RA
N
GE
RE
M
OTE
CO
N
TRO
LLED
P
RE
-A
M
P
10
t
o
6
0dB
GA
IN
RA
N
GE
A
M
P
LI
FI
ER
D
A
C
D
A
C
D
A
C
RE
M
OTE
CO
N
TRO
LLED
14
dB
P
A
D
M
IC
IN
RE
M
OTE
CO
N
TRO
LLED
14
dB
P
A
D
