ALLEN & HEATH 14:4:2 MixWizard WZ3 - Circuit Schematics - Overview; Input and Output Signal Paths; Talkback and SYS-LINK Connections

wz3-1442_blockdiagram_1.doc Sheet 1 of 1
DUAL STEREO INPUTS
R
-
+
DIRECT OUT
IMPEDANCE BALANCED
INPUT ST2(4)
L/M
-
+
WZ3 14:4:2
PHANTOM POWER
FADER
TIP= +
4 BAND EQUALISER
CH
LR
GAIN
ON
GAIN
ON
HM
+
LF
LM
HF
RING= -
0dBu
SUM
+
PFL
MUTE
POST-FADE
HM
4 BAND EQUALISER
LM
HF
LF
FADER
POST-EQ
PRE-FADE
MUTE
PFL
PAN
L-R
3-4
1-2
3-4
PAN
1-2
L-R
AUX 1-6 PFL LR GRP 1-4
1
AUX
2
3
5
4
6
PRE PRE
1
P
AUX
S
2
SP PSP
3
S
5
S
4
A A S
6
PRE PRE
+ +
L-R
GRP1-4
AUX1-2
1KHz OSC
PINK NOISE
LEVEL
ON
DIM
AUX3-4
AUX5-6
PRESS TO TALK
MIC IN
2= +
BALANCED
OFF
-
GAIN
+
TALKBACK
48V PHANTOM POWER
PFL/AFL
PFL/AFL MIX
PFL/AFL DC
SL
SL
TO WEDGE MODE
LR/2-TRK
GRP/AUX REV
SL
AUX MIX
GRP MIX
SL
+4dBu
L-R
PAN
AUX
-2dBu
INSERT
FADER
AFL
AFL
BAL
METER
GROUP OUT
2 = +
GROUPS / AUX 1-4
RING = RIGHT
TIP = LEFT
PHONES
OUT
MONITOR
R
L
SYS-LINK CONNECTION
SL
+4dBu BAL OPTION
TIP= +
-2dBu
AUX OUT
IMPEDANCE BALANCED
MUTE
+10dB boost
+10dB boost
TO MATRIX
L(R) MIX
AUX MIX
+4dBu
IMPEDANCE BALANCED
AFL
FADER
-2dBu
INSERT
SL
+10dB boost
+10dB boost
AUX
LR/AUX REV
SL
MUTE
TO MATRIX, MONO, MONITOR, 2TRK
L(R) OUT
2 = +
BAL
+4dBu BAL OPTION
METER
-2dBu
TIP= +
AUX OUT
L(R) / AUX 5(6)
AFL
GRP1
GRP2
GRP3
GRP4
L
R
FROM GRP,L,R
MATRIX MIX
LEVEL
2TRK TO LR
IMPEDANCE BALANCED
+4dBu BAL OPTION -2dBu
TIP= +
MATRIX OUT
AFL
+4dBu
M OUT
2 = +
BAL
+
SUM
FROM PFL/AFL
WEDGE MODE
FROM L,R
MATRIX A(B)
+10dB boost
LEVEL
+10dB boost
MONO
FROM L,R
SEND RETURN
2-TRACK
-2dBu
MONITOR OUT
IMPEDANCE BALANCED
R
L
MONITOR
INSERT
0dBu
LINE
BALANCED
TIP= +
MIC
2= +
RING= RETURN
TIP= SEND
+
-
GAIN
-20dB
LINE (PAD)
HPF
48V
MIC/LINE INPUTS
PK
SIG
R
L/M
INPUT ST1(3)
PK
SIG
PRE-INSERT, PRE-EQ
B
A
C
D
A = POST-FADE
S = SWITCHED
P = PRE-FADE
FEJUMPER GH
IJKL
SSASP ASP
A = POST-FADE
S = SWITCHED
P = PRE-FADE
JUMPER OPTIONS KLIJGHEFCDAB
PRE-FADE
SM
CN4
POST-FADE
CN5
SM
MONO/STEREO AUX
ON
MUTE