AWMA-C250
Page 12
ISOLATOR
J1
RF
INPUT
J4
OUTPUT
MONITOR
J7
W
/G OUTPUT
C
OOL
IN
G
FAN
J5
AC
L
INE
220 VAC
- 9V
COMMON
PMALARM
TEMP
MUTE
+ 12V
(high current)
A
B
C
TH
+ 12V
+ 15V
MONITOR & CONTROL
SPEED
CONTROL
POW
E
R
SUPPLY 1
D
R
IVER
A
SSEM
B
L
Y
LPA
TEMP.
SENSOR
+12V,
-9V
+ 15V
- 9V
TEMP.
COMP.
P
O
W
E
R CONDIT
IONE
R
BOARD A
SSEMBLY
P
O
W
E
R CONDIT
IONE
R
BOARD A
SSEMBLY
+12V
,
-9
V
30 dB
TH
OUT
P
UT
W
A
V
E
G
UIDE
A
R
M
A
SSEM
B
L
Y
OU
T
P
U
T
POWER
DETECTO
R
RE
FLE
CTE
D
POWER
DETECTO
R
ISOLATOR
FILTER
20 dB
40 dB
TE
M
P
.
SENSO
R
PO
WER
M
O
D
U
L
E A
SSEM
B
L
Y
HPA
POW
E
R
SUPPLY 2
+ 15V
LINE
FILTE
R
- 15V
+ 5V
COM
J2
SERIAL
I/F
J3
DISCRETE
I/F
J6
REDUNDANT
I/F
CURRENT
SENSO
R
CURR
PULSE
220 V
DALARM
MUTE-D
DTEMP
GAIN
DALARM
MUTE-D
DTEMP
GAIN
+ 15V
+ 15V
- 15V
- 15V
+ 5V
+ 5V
- 9V
- 9V
PS1FAIL
PS2FAIL
PS2FAIL
PS1FAIL
+ 12V
+ 12V
+ 12V
+ 12V
Figure 3
: Block Diagram (one unit)