39
17 Block Diagram
UNBALANCED
2-
CH B
ALANCED 1
CUE
BA
LAN
C
ED
AES
3 2
AD
AT
ANA
LO
G
INP
UTS
AD
AT
SPEAKER 1
SPEA
KER
2
CONT
ROL ROOM
HE
AD
PH
O
N
E
DI
GI
TA
L
IN
PUTS/
O
UTPUTS
SP
D
IF
CUE
CUE
+
TB
SUMMING
H
EA
DP
HONE
OUT
AN
AL
OG
OUTPUTS
BALANCED
INPUT
AMP
MU
TE
HEADPHONE AM
PLIFIER
TA
LKBAC
K M
IC
TO
SL
IN
K
W
O
RDCLOCK/
LOO
PSY
NC I
N
W
O
RDCLOCK
INPUT
SELECTORS
DIM
MONO
(L
+R)
SPEAKER
S
ELECT
DAC
AE
S3
R
X
s-Lo
ck PL
L
TALKBACK
GAIN
CU
E
TA
LK
B
ACK
MIC
PR
EA
M
P
BALANCED
INPUT
AMP
U
N
BA
LA
NCE
D
INP
U
T
AM
P
BALANCE
D
O
U
TPUT
D
R
IVER
OUTPUT
DRIVER
BALANCED
M
O
N
T
O
C
U
E
W
O
RD
CLOCK
P
LL
LEVEL
CONT
ROL
LE
VE
L
CO
NT
RO
L
LEVEL
CONT
ROL
AES
3 1
THROUGH/OUT
AES
3 OUT
SP
D
IF OU
T
DIGITAL
LOOP
THROUGH
USB2
D
AC
/SU
B/
M
ET
ER
BALANCE
D
O
U
TPUT
D
R
IVER
LE
VE
L
CO
NT
RO
L
DAC/
SUB/
M
ET
ER OUT
SPEA
KER
3
M
O
N
O
(L
+R
)
TA
LKB
AC
K
O
U
T
X-
FE
ED
DE-EMPHA
SI
S
REMOT
E CONTRO
L UN
IT
TALKBACK
SELECT
D
AC/
S
UB
TALKBACK
OUTPUT
DRIVER
BALANCED
REM
O
TE
CONTROL
UNI
T
TALKBACK
MIC
USB-2.0
(PCB
JU
M
PER)
8 CH
2 CH
HEADPHONE
SOURCE SE
LEC
T
MONO
(L
+R)
L-
R
m905
SR
#
95001-
95034
C
O
N
N
EC
TE
D
HE
R
E
D
IF
FE
R
EN
C
E
(L
-R
)
RCU
TALKBACK
MIC
PREAMP
RCU
TALK
BA
CK
G
AIN
(PCB
JU
M
PER)
AE
S3
DUA
L
W
IRE
SE
LE
C
T
AE
S3
D
U
A
L
W
IR
E
10 C
H
2 C
H
M
O
N
TO
CUE