Spectra Engineering MX800 - Circuit Diagram: MX800 PA CIRCUIT DIAGRAM; PA Circuit Diagram Details (continued)

1 2 3 4 5 6 7 8 9 10 11 12
A B C D
12
1110987654321
D
C B A
9 TRADE ROAD
MALAGA 6062
WESTERN AUSTRALIA
PHONE +618-92482755
TP2
TP4
TP1
TP3
R167
1K
ETH
C91
1n
R164
10K
R163
1K
ETH
C90
1n
R165
5R6
R166
5R6
3
2
1
JMP31
JMP27
2 1
JMP26
+5
R153
100K
R147
10K
R150
560R
JMP25
C86
100n
R136
100K
3
2
1
JMP20
R137
100K
ETH
R135
220K
C84
10n
C85
1u
R134
10K
ETH
TR13
BC847
R133
NF
ETH
R132
NF
R74
100R
ETH
C67
1u
R131
10K
ETH ETH
TR12
BC847
ETH
ETH
C82
1n
C81
1n
R125
22K
R124
22K
R126
10K
1
2
3
D11
BAV99
C45
100n
R29
560R
R34
560R
ETH
C43
100n
+12
ETH
R76
10K
TR4
BC847
R75
1K
8 9
6
IC1D
4066
4 3
5
IC1C
4066
R106
100K
11 10
12
IC1B
4066
ETH
TR10
BC847
FSEL
1
GND
7
OUT
2
VDD
5
CLK
4
IN
8
VSS
6
TYPE
3
IC15
MSHN3S
BIAS
1
SHDN
7
IN
2
OUT
5
VDD
4
CLK
8
OS
6
GND
3
IC17
MAX7403
BIAS
1
SHDN
7
IN
2
OUT
5
VDD
4
CLK
8
OS
6
GND
3
IC16
MAX7403
ETH ETH
ETH
R64
1K
R63
1K
C36
100n
C35
100n
ETH
C38
100n
C37
100n
JMP7
+5
R69
10K
ETH
C42
1n
ETH
RV1
100K
R68
33K
R66
330K
+5
C41
100n
JMP8
C39
100n
ETH
5 6
7
IC13B
MCP6002
C44
56p
R67
330K
ETH
C78
100n
R120
100K
RV7
100K
RV4
100K
1 2
13
IC1A
4066
ETH
FSEL
1
GND
7
OUT
2
VDD
5
CLK
4
IN
8
VSS
6
TYPE
3
IC9
MSFS3S
5 6
7
IC10B
LM2904
3 2
1
8 4
IC4A
MCP6002
R87
1M
R83
4K7
ETH
C53
56p
ETH
C51
56p
+12
ETH ETH
R88
10K
R82
1K
R81
10K
R80
10K
R84
100K
R85
100k
3 2
1
8 4
IC3A
MC33076
5 6
7
IC3B
MC33076
C54
1u
C52
100n
T2 T1
ETH
ETH
1 9 2 10 3 11 4 12 5 13 6 14 7 15 8
CN1
DB15
1 14 2 15 3 16 4 5 6 7 8 9 10 11 12 13
SKH/B
IDC16
1 2 3 4 5 6 7 8 9 10
SKU
IDC10
1 6 2 7 3 8 4 9 5
CN4
DB9
1 14 2 15 3 16 4 17 5 18 6 19 7 20 8 21 9 22 10 23 11 24 12 25 13 26
SKF
IDC26
1 14 2 15 3 16 4 17 5 18 6 19 7 20 8 21 9 22 10 23 11 24 12 25 13
CN3
DB25/F
1 14 2 15 3 16 4 17 5 18 6 19 7 20 8 21 9 22 10 23 11 24 12 25 13 26
SKY
IDC26
1 14 2 15 3 16 4 5 6 7 8 9 10 11 12 13
SKH
IDC16
1 2 3 4 5 6 7 8 9 10
SKV
IDC10
1 2 3 4 5 6 7 8
SK5
RJ45
1 2 3 4 5 6 7 8 9 10
SKV.
IDC10
1 14 2 15 3 16 4 5 6 7 8 9 10 11 12 13
SKK
IDC16
1 14 2 15 3 16 4 5 6 7 8 9 10 11 12 13
SKX
IDC16
3 2
1
8 4
IC6A
MCP6002
5 6
7
IC5B
MCP6002
3 2
1
8 4
IC5A
MCP6002
3 2
1
8 4
IC2A
LM2904
5 6
7
IC2B
LM2904
R96
33K
ETH ETH
ETH
C66
1n
C65
56p
C64
3n9
C59
1n
C60
1n
C61
1n
C62
1n
+5
R95
6K8
R97
2K7
R98
330K
R93
4K7
RV6
100K
R94
560K
R99
10K
R100
220K
R103
10K
R102
10K
+5 R105
22K
R101
10K
R104
10K
ETH
+5
C63
100n
ETH
ETHETH
D12
BAV70
R121
10K
R107
1K
C71
1u
R108
1K
5 6
7
IC7B
MCP6002
R109
100K
C72
56p
3 2
1
8 4
IC7A
MCP6002
+5
ETH
R118
10K
C75
100n
R112
10K
R110
100K
R111
100K
ETHETH
C73
100n
+5
TR9
BC847
ETH
ETH
TR8
BC847
R113
150K
R119
10K
+5
R115
100K
R117
2M2
R116
1M
R114
10K
C76
100n
ETH
ETH
C70
1u
3 2
1
84
IC8A
MCP6002
5 6
7
IC8B
MCP6002
ETH
R90
180K
R92
27K
+5
R89
68K
C56
10n
C55
10n
C58
10n
C57
10n
R91
82K
3
2
1
JMP14
+5
FSEL
1
GND
7
OUT
2
VDD
5
CLK
4
IN
8
VSS
6
TYPE
3
IC18
MSHN3S
ETH
3
2
1
JMP9
ETH
R71
10K
ETH
C46
100n
R70
10K
+5
5 6
7
IC4B
MCP6002C40
10n
ETH
3
2
1
JMP6
R65
100K
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
DIP1
SW-DIP8
3 2
1
84
IC10A
LM2904
ETH
R59
4K7
C30
56p
R61
10K
R60
22K
R62
22K
ETH
+5
R43
5K6
R44
3K3
R45
2K2
R46
1K5
R47
1K5
R48
2K2
R49
3K3
R50
5K6
R55
10K
C32
150n
R56
10K
R57
10K
R58
10K
C31
10n
3 2
1
84
IC12A
MCP6002
5 6
7 IC12B
MCP6002
ETH
+5 +5
ETH
5 6
7
IC11B
MCP6002
3 2
1
84
IC11A
MCP6002
C34
1n5
R54
10K
R53
10K
R51
10K
C33
27n
R52
10K
C77
1u
R77
560R
IC26
MOC8050
RLY1
ETH
+12
TR1
BC847
ETH
R18
10K
ETH
+12
+5
R33
10K
R19
10K
ETH
TR2
BC847
+12
ETH
RLY2
R31
10K
+5
+12
ETH
R30
22K
IC27
MOC8050
IC14
78M05
+5
C47
100n
ETHETH
3
2
1
JMP13
RV5
100K
R86
2K7
D1 BAV99 D2 BAV99
D3 BAV99 D4 BAV99
C79
10n
ETH
C80
10n
ETH
+12
R128
100K
+5
R79
NF
C50 1n C69 2n2 C49 3n9 C83 4n7
JMP16 JMP17 JMP18 JMP19
R127
270R
R78
2K7
RV2
2K
R129
330R
R130
390R
D13B
BAV70
3
2
1
JMP11
3
2
1
JMP10
3
2
1
JMP12
+12
+5
+5
ETH
3 2
1
84
IC13A
MCP6002
2
1
D13A
BAV70
R139
22K
R140
22K
R141
22K
R142
22K
R146
22K
R145
22K
R144
22K
R143
22K
R32
22K
3
2
1
JMP5
ETH
3
2
1
JMP4
ETH
3
2
1
JMP3
+12
3
2
1
JMP2
+12
R149
1K
R151
4K7
ETH
JMP24
R148
560R
3
2
1
JMP28
R156
47K
R155
2K7
ETH
R160
10K
C88
1n
ETH R161
10K
C89
100n
ETH
2
31
1 3
2
3
IC19-63
IC19-26
IC19-28
IC19-22
IC19-24
IC19-91
IC19-59
1Vp-p
COMP
CHAN SE L BIT-7
CHAN SE L BIT-6
CHAN SE L BIT-5
CHAN SE L BIT-4
DA0/TX DELAY OUT
TX DELA Y IN
DISC IN
DA1
ALARM1_ INT
IC19 (9 4)
COMPENS ATION START O F 1Vp-p @
1Vp-p
860mVp- p
SKH-11
33
2
1 2
1
.
.
. .
.
.
.
.
JMP22 JMP23
DCFM
DCFM
SCL SDA WB/NB CTCSS T O TX
FX828 E NCCTCSS T O TX
ALARM 1 EXT/M LEAD
5 42
1
5 42
1
2500Hz400 H z
-3dB @ 215Hz
HPF
PTT3
RX MUTE
SE
Gain Noise
RX_AUDI O_SW
E2_INPU T
M2_OUTP UT
IC19-10 0
P2/7 P2/6 P2/5 P2/4 P2/3 P2/2 P2/1 P2/0
TTR_ENA BLE
VB
IC19-5
RX LPF CLOCK
FX828 T ONE
VB
NOTCH O UT NOTCH I N NOTCH
RX NOTC H CLOCK
VB
RESERVED
+9dB +6dB +3dB
0dB+9dB
+6dB +3dB 0dB
FX828 D EC
VOX
CHASSIS
CONNECTORS ON
CHASSIS
PIN HEADERS TO
MAIN CONTROLLER PCB
PIN HEADERS TO
ALARM O /P #2 TX AUDI O 600 OHM
TX VF L OOP BACK CTRL
EARTH RX AUDI O 5 OHM
TX TALK RX DISC RIMINATOR
PTT ALARM O /P #3 DC FM / WB INPUT
ALARM O /P #1 RX MUTE RX TALK RX AUDI O 600 OHMS
REPEATE R ENABLE
DIAGRAM
LINE INTERFACE
1 OF 1 LCS037-1L
ENCODER/DECODER CCT
DATE REVISION TITLE
DRAWING No SHEET REV
REF PCB
BY DATE
DESIGNE D DRAWN CHECKED APPROVE D
APP
GJ GJ
SPECTRA
ENGINEERING
(C) Cop yright
+12V O/ P ETH DIGITAL O/P BIT-1
DIGITAL O/P BIT-0
DIGITAL O/P BIT-2
CHANNEL SEL BIT-7
CHANNEL SEL BIT-0
CHANNEL SEL BIT-1
CHANNEL SEL BIT-2
CHANNEL SEL BIT-3
CHANNEL SEL BIT-4
CHANNEL SEL BIT-5
CHANNEL SEL BIT-6
DIGITAL O/P BIT-3
DIGITAL O/P BIT-4
DIGITAL O/P BIT-5
DIGITAL O/P BIT-6
DIGITAL O/P BIT-7
DIGITAL ETH/+5V
DIGITAL I/P BIT-0
DIGITAL I/P BIT-1
DIGITAL I/P BIT-2
DIGITAL I/P BIT-3
DIGITAL I/P BIT-4
DIGITAL I/P BIT-5
DIGITAL I/P BIT-6
DIGITAL I/P BIT-7
MUTE DISC IN DISC OU T ETH ANALOG +5V DIGITAL +5V TX SUPP LY OUT
TX SUPP LY IN RX SUPP LY OUT
RX SUPP LY IN VCO PTT MIC PTT 2 MUTE SW DCFM WB POWER S AVE2 POWER S AVE1 CTCSS O /P TX VF I /P (JMP4/2)
TX VF I /P (TO LINE)
DISC O/ P DIGITAL +5V ETH DIGITAL O/P SKC-6
DIG I/P IC63 BIT-7
DIG I/P IC63 BIT-6
DIG I/P IC63 BIT-5
DIG I/P IC63 BIT-4
RSSI RSSI SDA SCL CTCSS T O TX WB/NB
VB
VBVB
DISC
NOISE
AGC_EN
VB
BPF
TX BPF CLOCK
TX NOTC H CLOCK
NOTCH
NOTCH I N NOTCH O UT
TX AUDI O
VB
VB
VB VB
LPF LPF
RX VF
LPF IN LPF OUT
RSSI
M1_OUTP UT
E1_INPU T
TRM DTMF ST D
PWR BIT 0 PWR BIT 1
RX CTCS S DIS TX CTCS S DIS
SKU-3 SKU-5
CHAN SE L BIT-0
CHAN SE L BIT-1
CHAN SE L BIT-2
CHAN SE L BIT-3
DISC
RX VF
PTT
LINE IN PUT
LEVEL
HP FILT ER
OUT IN
AGC
IN OUT
AGC GAI N
TONE LE VEL
LINE LEVEL
COMPENS ATION
OUT IN
BPF_NOU T
RSSI ETH
TX AUDI O
MX800 OPTION
2 3 4 5
67910
2345
67109
26
1 7
1 6 2
7
1
32
VB
3
OUTPUT
ETH
12/1/04
JMP15
*NOT FI TTED *NOT FITTED
*RS232 BUS
IC19-6
IC19-3
IC19-92
IC19-11
IC20-21
IC19-61
IC19-2
TX_AUDI O_SW
IC19-4
IC19-93
IC19-40
IC20-17
BPF_OUT IC19-1
IC19-7
IC19-10 IC19-60 IC19-39