ALLEN & HEATH ML5000, Service Manual

Page: 18 / 135

ML5000 Service Manual
17
System Block Diagram
(1 of 2)
MONO
STEREO
OPTION LINKS
DIRECT OUT
PFL
L AFL
R AFL
L MIX
R MIX
C MIX
GRP2
AU
X 2
PO
ST
A
U
X2
GRP
2
AUX2
PRE
SET MASTER mode SWITCH
FOR EITHER AUX OR GROUP
MONO CHANNEL
MUTE
FADER
PAFL
MUTE GROUPS
VCA GROUPS
PAFL LOGIC
GRP
GRP/AUX 3 TO 8
SAME AS 1,2 SHOWN
VCA
J5
J4
J6
J9
J7 J8
J3
J2
J1
+
-
1
TRIM +48V
TB MIC
2
TALK TO TB
+
OSC/NOISE TO TB
DIM
MONITOR DIM
TB
PINK NOISE
1kHz OSC
TRIM
Disable
OSC/NOISE/TALKBACK
TALK TO INTERCOM
MONITOR DIM
-
+
TRIM
SIDETONE LISTEN
TO PHONES
INTERCOM
R LR C
PRE-INSERT
+
+
L
R
C
PEAK
LCR+
PRE-FADE
POST-FADE
ODD
EVEN
PRE
GRP PAN ON
AUX1
GRP1
POST-TRIM
PRE-FADE
POST-FADE
DIRECT OUT
(AUX1 ONLY)
PO
ST
A
U
X1
AU
X1
GRP
1
POST-MUTE
PRE-FADE AUX
OPTION LINKS
PRE
AUX9
STEREO CHANNEL
MUTE
FADER
PAFL
MUTE GROUPS
VCA GROUPS
PAFL LOGIC
GRP
GRP/AUX 3 TO 8
SAME AS 1,2 SHOWN
VCA
J3
R=J2
SNAPSHOTS
L AFL
PFL
R AFL
L MIX
R MIX
C MIX
AUX
10
AUX
1
GR
P
1
AU
X 2
GR
P
2
AU
X9
+
-
+
-
GAIN
+
-
L
R
R
L
INPUT A
+
ON
ON
MONO L
MONO R
SOURCE
LM HM HF
INPUT
GAIN +48V
PAD HPF IN
SEND
LF LM HM HF
EQ IN
FREQ
4 BAND EQUALISER
FILTER
METER
+
-
RETURN
INSERT
POST-EQ
PRE-EQ
PAN BLEND
MAIN
MIX
L
+
-
CALL
+
-
INPUT B
GAIN
LF
EQ IN
4 BAND EQUALISER
METER
POST-EQ
PRE-EQ
BAL BLEND
MAIN
MIX
L R LR C
+
+
L
R
C
PEAK
LCR+
PRE-FADE
POST-FADE
PRE
GRP BAL ON
AUX1
GRP1
PO
ST
A
U
X1
POST-MUTE
PRE-FADE AUX
OPTION LINKS
MONO
STEREO
GRP2
PO
ST
A
U
X2
AUX2
PRE
SET MASTER mode SWITCH
FOR EITHER AUX OR GROUP
SNAPSHOTS
+
+
L=J1
+
L
R
M
L
R
M
ODD
EVEN
AUX10
9-10 LEV STEREO PAN
PRE
AUX9
AU
X1
0
AU
X9
AUX10
LEV 9-10
STEREO
PAN
AUX 11 to 16
SAME AS 9,10 SHOWN
AUX 11 to 16
SAME AS 9,10 SHOWN
J10
LAMP
INTERCOM IN/OUT