Input Gain; Power Led - Alto MS8MA Service Manual

1
A
BAL-FEMALE MIC INPUT
X1
D
X2
X3
B
5
T 6
4
R 3
2
S 1
LINE INPUT
BAL-MALE
X1
C
X2
X3
SW2A SW2B
MIC2
1 4
2 5
3 6
P P
B
+8V
A
1
2

INPUT GAIN

G

POWER LED

2
3
SIGNAL SENSE
A0.......A16
16-Channel Analogue Multiplexer
SW1
4
3
2
1
4BIT ENCODER
-8V
6
3
SIGNAL LIMIT
G
POWER AMP
BRIDGE LM3886
6
RMS 100W
SPEAKER
5
+8V
POWER_CONNECT
Titel MS8MA-PRE BLOCK SCH
Model NO:
Size
MS8MA
A3
Date 8-Feb-2007 Sheet
File Drawn By
MS8MA BLOCK.Sch
4
MS8MA BLOCK SCH(1/1)
D
LIMIT LED
C
B
+8V
GND
-8V
A
Revision
VER070201
of
1 1
XiaoPingHuang
4