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VAC
110V - 230V
L
N
NICOM
MPX
MONO
SCA1
SCA2
SCA3
INTERLOCK
RS232
L
L
N
N
MHz 98.000
with
EMC FILTER
Mod. NT 250
1.0
GENERAL SCHEMATIC
A3
1 8Friday, October 24, 2003
Title
Size Document Number Rev
Date: Sheet of
N COM
15V POWER SUPPLY
+15V
GND
L
N
GND EARTH
RF FILTER
RF INPUT
RF OUTPUT
GND
RF FORWARD
RF REFLECTED
POWER SUPPLY
+48V
GND
L
N
GND EARTH
CONTROL PANEL
LED & ADJ POWER
DISPLAY
DISPALY
RF AMPLIFIER 250W
+27V
GATES
TEMPERATURE
-12V
RF INPUT
RF OUTPUT
GND
ESVA BOARD
MPX
GND MPX
MONO+
GND MONO
MONO-
SCA1
GND SCA1
Interlock
GND Interlock
SCA2
GND SCA2
SCA3
GND SCA3
+15V
GND
V- GATE
FORWARD POWER
REFLECTED POWER
DISPLAY
J4-LED & ADJ POWER
DJ3-RS232
RF OUTPUT
TEMPERATURE
GND
TX
RX
P1
DB9 MALE
5
9
4
8
3
7
2
6
1
J1
RF OUTPUT
FAN1
24 V
1
2
SW1
SW 2DEV
1
2
3
4
RV1
275V
RV2
275V
FAN3
12 V
1
2
S1
AC MALE
F1
3.15A
JR1
XLR
C
+
- G
FAN2
12 V
1
2
R2
3.9 / 5W
L1
CHOKE
L5
CHOKE
L4
CHOKE
L7
CHOKE
L6
CHOKE
L2
CHOKE
L3
CHOKE
COAX1
RG303
COAX2
RG316
F2
150mA
J4
BNC
J3
BNC
J6
BNC
J5
BNC
J2
BNC
F3
150mA
R1
3.9 / 5W
F4
1A