Service Manual

MM-E 2072-09333-00
QUAD
CONNECTOR
J5
CONN
ECTOR
5vdc
BATTERY
J3
500w/1kw
500w /1kw
13
.
8v
dc
J4
J6 -
CON
TROL HEAD
astic/modem
SECTION
SECTION
500
w/
1kw
p
ll _1_filter
500w
/1kw
p
ll_1_fil ter
UART
O
P
T
I
ON
astic
J7
TO RF
CONNECTOR
CONNECTOR
A
MP_
FWD
26
ACCESSORY
TO
RF
CONNECTOR
H
I
GH POWER
SE
CTI
ON
TO RF
500w/1kw
13
.
8v
dc
3
9
15
GND
1916
SPARE_1
18
RXA
R9583
SPARE_2
100NF
C9548
10K
TX_AUDIO+
8
TXD38
CR9077
MM
B
D914T
3
R7001
470
14
RX_AUDIO_OUT
34
6
SPKR-1
V_REV_
TUNE
8
4
7
EXT_ALARM
20
EXT_RX_AUDIO+
4
A+
RX_AUDIO+
RX_AUDIO-
RX_AUDIO_IN
RX_AUDIO_OUT
SPKR+
SPKR-
SQ_SW
TX_AUD IO_IN
TX_AUD IO_OUT
U|D_
VPP21
F1
FUSE_MINISMD050
AUDIO UNIT
AUDIO_C_P_SW
CS_
EXT_ALARM
EXT_ALAR M_CONT
EXT_AUDIO_SW
EXT_RX_AUD IO+
EXT_RX_AUD IO-
EXT_RX_DATA+
EXT_RX_DATA-
EXT_TX_AUDIO+
EXT_TX_AUDIO-
INC_
ISB_EXT_AUD IO_SW
MIC
PA_MUTE
23
23
SW_
A+
C9568
0.1
uf
SQ_GATE
R9598
4.7k
1
40
3.3V
C7011
TX_AUDIO_IN
C7003
0.1
uf
FL19
IN OUT
FL6
0.1
uf
OP
T
ION
R9609
47K
R7007
SW_A+
FL?
C9534
270PF
9
100NF
C7031
C9551
0.1
uf
TX_AUDIO-
22UH
L
9080
100NF
FL31
IN OUT
FL33
IN OUT
35
3.3V
A+
C7029
270PF
VCC
RX_AUDIO_IN
8
19
C7028
22
V_
F
WD_HF
7
13
SW_
A+
31
R7006
KW_ON_OFF
27
5
470
OP
T
ION
R9612
FWD_CLOSE_LOOP
R9611
OP
T
ION
25
C7014
0.1
uf
A+
15
FREEZE|KW_TUNE
OP
T
ION
R9668
12
R9527
470
5
R9614
100
VCC
23
24
6
7
8
9
1
2
3
4
12
13
14
15
16
17
18
19
20
21
22
4
9
VCC
CF
2124V0
R0
J7
10
11
5
GND18
0.1
uf
C9556
33
6
100
R9613
SW_
A+
BAT-
1
SW_
A+
1
R9551
0
26
C7017
0.1
uf
T
UNE_CUR_
LIM
6
GND
C7027
100NF
5
5.6V
VR5009
V_REV_HF
9
EXT_RX_AUDIO-
22
270PF
C7021
VR5010
5.6V
F
WD_C
L
OSE_
LOOP
RXC
RXC_MODEM_TTL
RXD
SPI_CLK
SPI_DATA_OUT
SQ_GATE
SQ_SW
STOP_SCAN
SYNTH_LOCK
TU_CH_CHNG
TU_CUR_LIM
TXA
TXB
TXC
TXC_MODEM_TTL
TXD
U|D_
VCO1_SEL
VCO2_SEL
VCO3_SEL
VPP
VP_PTT
V_FWD_HF
V_FWD_PA
V_REV_HF
V_REV_TUNE
DSO DSP_CS
DSP_REQ
DSP_RESET
DSP_RW
EXT_ALAR M_CONT
EXT_AUDIO_SW
EX_RESET
FRAC_N_1_SEL
FRAC_N_2_SEL
FREEZE
HOST_ADD(0:18)
HOST_DATA(0:15)
INC_
KW_ON_OFF
KW_PTT
LOW_RF_SEL
NOISE_CONTROL
PA_INHIB
PA_MUTE
PA_TEMP
PEND|OCXO_SEL
PTT_IN_CW
PTT_IN_DATA
PTT_IN_VOICE
PTT_OUT
PWR_LEVEL
RESET
RXA
RXB
1
FL27
IN OUT
HOST_UNIT
AMB_TEMP
AMP_ON_OFF
AUDIO_C_P_SW
AUDIO_SW
BAT_ IN
BIT
BKPT_DSCK
CLK_ IN
CS_
D2A_OVEN_SEL
DSI
C7020
0.01UF
0.1
uf
C7022
270PF
C9563
TP_1
TXB29
GND
18
C7012
0.1
uf
2
C7001
10PF
20
VCC
1
FL3
17
REV_C
LOSE_LOOP
2
15
SW_
A+
29
C7009
270PF
GND
46
4.7k
R9597
5
L
9081
22UH
0.1
uf
C9564
SW_
A
+_CONT
1
10
6
RXC
28
A
MP_ON_O
FF
17
PTT_IN_CW
10
FL13
3.3V
22
STOP_SCAN
2
0.1
uf
C7019
BKPT_DSC|KW_ ALC
37
EXT_TX_AUDIO-
7
VCC
FL7
TX_AUDIO_OUT
32
VCC
2
P
A
_
T
EMP
10
FL23
IN OUT
FL4
T
P_2
7
7
0
R9633
0.1
uf
C7004
3
R9582
10K
R9610
OP
T
ION
P
A
_INHI
BIT
470
R9528
45
TXC
39
B
IT
16
FL30
IN OUT
FL10
GND
6
TXA
16
C7008
270PF
EXT_TX_AUDIO+
DSI|KW_C_C
12
C9620
15UF
L
9085
22UH
3
FL12
FL2
EXT_TX_AUDIO_ISB
42
3
SW_A+
11
SPKR+
2
AMP_FWD
36
FL11
270PF
C7007
24
R9529
470
EXT_TX_AUD IO_ISB
HOST_ADD(0:18)
HOST_DATA(0:15)
HOST_RW
ISB_EXT_AUD IO_SW
MIC
PTT_OUT
RX_AUD IO+
RX_AUD IO-
SR_CLK
SR_DATA
4
DSO|FAN_ON_OFF
C7016
0.1
uf
D
SP
_UNIT
16.8MHZ
3.3V
AUDIO_SW
A_D_DATA
CLK_OUT
CONVST
DSM
_AGC_EN
DSM_OUT
DSP_CS
DSP_REQ
DSP_RESET
EXT_RX_AUD IO_ISB
A
MP_REV
24
AMP_REV30
44
0.1
uf
C7013
1
A+
11
EXT_RX_DATA+
RXD
31
A+
13
FL24
IN OUT
C9562
270PF
FL9
OUT
ON_OFF_CONT
242
BAT+
2
C7010
0.01UF
8
C7030
15
uf
0.1
uf
C7015
14
3
C7006
33UF
A+
14
FL8
REV_CLOSE_LO OP
C9532
270PF
EXT_RX_AUDIO_ISB
41
9
2
3
VCC
20
FL29
IN OUT
13
15UF
C9621
V_
F
WD_PA
11
GND
270PF
C9533
33UF
C7005
43
FL14
IN
R7002
470
470
R7000
FL18
EXT_RX_DATA-
270PF
C9535
R9530
470
5
FL28
IN OUT
T
UNE_CH_CH
ANGE
4
C7018
21
0.1
uf
RXB33
R7003
470
17
FL32
IN OUT
FL1
10PF
C7002
PTT_IN_DATA
KW_PTT
A+_13.8_DC
8
EX_RESET
RX
C
_MODEM_T TL
13.8VDC
RX_AUD
IO_IN
RX_AUD
IO_OUT
TX_AUD
IO_IN
TX_AUD
IO_OUT
F_VP_VO
C
ODER_PTT
RESET
PTT_
I
N_VO
ICE
PTT_
I
N_DATA
K
W_PTT
SPI_
CLK
SPI_DATA_OUT
FRAC_N_1_SEL
RX_AUDIO_IN
PTT_IN_VOICE
FRAC_N_2_SEL
BAT_IN
A
M
B_TEMP
TX
C
_MODEM_T TL
SPI_CLK
RESET
PWR_LEVEL
PTT_OUT
PENDULLU M_SEL
HOST_DATA(0:15)
HOST_ADD(0:18)
VCO3
VCO2
VCO1
SYNTH_LOCK
SPI
_DATA_OUT
SR_CLK
BAT_
IN
F_VP_VOCODER_PTT
RX_AUDIO_OUT
TX_AUDIO_IN
TX_AUDIO_OUT
LOW_RF_SEL
SPI
_CLK_UP
V
CO1
V
CO2
V
CO3
VCO2_SEL
VCO3_SEL
VCO1_SEL
NOISE_CONTROL
DSM
_AGC_EN
CONVST
A_D_DATA
3.3V
SR_DATA
D
I
G
I
TAL_16.8 Mhz
DSM_OUTPUT_1.05Mhz
SPI
_DATA_OUT_UP
D2A_OVEN_SEL
HIGH_POWER(1:9)
AUDIO(1:3)
Figure A-1.B. LORD Module, Schematic Circuit Diagram (Sheet 2 of 15 – DSP Subsystem Organization)
A-5/A-6