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Spectra Engineering MX800 - Circuit Diagram: MX800 FULL DUPLEX CTCSS; DCS OPTION; Full Duplex CTCSS;DCS Option Diagram

Spectra Engineering MX800
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1 2 3 4 5 6 7 8
A
B
C
D
8
7654321
D
C
B
A
9 TRADE ROAD
MALAGA 6062
WESTERN AUSTRALIA
PHONE +618-92482755
ETH
R1
22K
ETH
1
2
3
4
5
6
7
8
9
10
SK4
16PIN
1
2
3
4
5
6
7
8
9
10
SK3
16PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SK2
16PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SK1
16PIN
P1
ETH
ETH
ETH
R6
470R
T1
T2
IC1
MOC8050
D1
BAV99
D2
BAV99
1
2
3
4
5
6
7
8
CN5
RJ45 8WAY
1
6
2
7
3
8
4
9
5
CN4
DB9/F
1
2
3
4
5
6
7
8
9
10
SKE.
10 PIN IDC
1
9
2
10
3
11
4
12
5
13
6
14
7
15
8
CN3
DB15/F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SKH.
16 PIN IDC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SKH
16 PIN IDC
1
9
2
10
3
11
4
12
5
13
6
14
7
15
8
CN1
DB15/F
1
2
3
4
5
6
7
8
9
10
SKE
10 PIN IDC
1
6
2
7
3
8
4
9
5
CN2
DB9/F
+12
RL1
3
2
1
JMP1
JMP2
+12
R3
22K
R2
22K
R4
22K
R5
22K
D3
BAV99
TX AUDIO LEG B
RX AUDIO LEG B
TX AUDIO LEG A
RX AUDIO LEG A
ADDED CONNECTIONS FOR OPTION T04
FOR OPTION T05
INTERFACE PCB
ADDED CONNECTIONS
+12V O/P
EARTH
TX REFL PWR
RSSI O/P
MUTE RX VF
MON PTT
FINAL TX VF O/P
TX FWD POWER
TEST TX VF I/P
+12V O/P
+5V O/P
HEADERS LOCATED
ON CONTROLLER PCB
RIBBON CABLE
RIBBON CABLE
REAR CONNECTOR
LOCATED ON CHASSIS
REPEATER ENABLE
RX AUDIO 600 OHMS
RX TALK
RX MUTE
ALARM O/P #1
DC FM / WB INPUT
ALARM O/P #3/ MLEAD
PTT
RX DISCRIMINATOR
TX TALK
RX AUDIO 5 OHM
EARTH
TX VF LOOP BACK CTRL
TX AUDIO 600 OHM
ALARM O/P #2ALARM O/P #2
TX AUDIO 600 OHM
TX VF LOOP BACK CTRL
EARTH
RX AUDIO 5 OHM
TX TALK
RX DISCRIMINATOR
PTT
ALARM O/P #3/ MLEAD
DC FM / WB INPUT
ALARM O/P #1
RX MUTE
RX TALK
RX AUDIO 600 OHMS
REPEATER ENABLE
LOCATED ON CHASSIS
REAR CONNECTOR
RIBBON CABLE
RIBBON CABLE
ON CONTROLLER PCB
HEADERS LOCATED
+5V O/P
CCT DIAGRAM
MX800 ISOLATED
1 OF 1
8-8-99
22-4-99
ECS018-1E
INTERFACE OPTION
DATE REVISION TITLE
DRAWING No SHEET REV
REF
PCB
BY DATE
DESIGNED
DRAWN
CHECKED
APPROVED
APP
GJ
GJ
SPECTRA
ENGINEERING
(C) Copyright
+12V O/P
TEST TX VF I/P
TX FWD POWER
FINAL TX VF O/P
MON PTT
MUTE RX VF
RSSI O/P
TX REFL PWR
EARTH
+12V O/P
STANDARD CONNECTIONS
10
3 8
92
4 7
1
E LEAD LEG B
M LEAD NC
E LEAD LEG A
M LEAD COMMON

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