Crest Audio X-RACK XRM - Master Section; Module Overview and Block Diagrams

Master section
3
p.28
XRM owner’s manual
LAMP
12V
SOLO
PWR
LR
5
10
0
5
10
20
30
SIG
PK
9
AFL
10 11 12
OUTPUT MASTERS
SPEAKERS
ON
COMMON INPUT
P
H
O
N
E
S
1
3
5
7
10
0
9
28
6
4
M
F
F
M
500
N
)
1
3
5
7
10
0
9
28
6
4
LEV
LEV
0
9
6
12
3
6
9
3
15
24
18
21
500
9
–
10 11
–
12
5
10
0
5
10
20
30
SIG
PK
5
AFL
678
OUTPUT MASTERS
5
–
67
–
8
5
10
0
5
10
20
30
SIG
PK
1
AFL
234
OUTPUT MASTERS
STR PAIR LO CUT STR PAIR LO CUT
1
–
23
–
4
XR
STR PAIR LO CUT STR PAIR LO CUT
STR PAIR LO CUT STR PAIR LO CUT
500500500500500500500500500500500 500500500
2
3
4
5
6
7
9
0
1
2
1R
N
LAMP
12V
SOLO
PWR
LR
SPEAKERS
ON
COMMON INPUT
P
H
O
N
E
S
1
3
5
7
10
0
9
28
6
4
F
500
N
)
1
3
5
7
10
0
9
28
6
4
LEV
LEV
0
9
6
12
3
6
9
3
15
24
18
21
500
STR PA R O CUT STR PA R O CUT
500500500500500500500500500500500 500500500
1R
N
Module
Block diagram
Controls
MONITOR
OUT - L
MONITOR / HP
LEVEL
L
R
HEADPHONE
AMP
SOLO LEFT
SOLO
MIX AMPS
SOLO DC
SOLO
FEED
L - R
SOLO
CONTROL
LOGIC
+9
6
3
0
-3
6
9
12
15
18
21
24
SOLO
ON
PWR
ON
LED
METERS
FOLLOW SOLO
SOLO RIGHT
SPEAKER
ON
MONITOR
OUT - R
COMMON
INPUT - L
COMMON
INPUT
LEVEL
ODD
MIX BUSES
1
3
5
7
9
11
2
4
6
8
10
12
EVEN
MIX BUSES
L
R
SOLO AND MONITOR CIRCUITS
HEADPHONE
JACK
COMMON
INPUT - R
COMMON INPUT CIRCUITRY