Tait Orca 5000 - Page 37

June 2003 IPN: M5000-00-105 Circuit diagrams B - 17 Figure B-1: Circuit interface diagram for Tait Orca portable radios (TOP B, C, G, H, I, J and K)
93 SHEET 2
POWER-AMP
TX-VCO
ANTENNA
RX-ANT
PWR-SET
GND
+7V5-BATT +5V-AN
TX-INHIBIT PIN-SW
+7V5-SW
GATE-BIAS
+5V-TX
246
SHEET 3
RECEIVER
RX-ANT
SQL-DET SQL-SET FE-BIASRX-DET-AF RSSI
RX-LO
GND
+5V-AN
DCFB WB/NB
BATTERY+
SPRING PROBE
BATTERY-
SPRING PROBE
DSP AUDIO
252 PROCESSOR
RSSI FE-BIAS SQL-SET SQL-DET
LCK-DET TCXO-MOD/SY-EN SY-CLK SY-DATPWR-SAVE
ACCESORY
TX-CNTRL
VCO-MOD
PWR-SET
DGND
GND
RADIO-TOPINTERFACE-PCB
RX-DET-AF
+5V-DIG +5V-AN +7V5-SW +7V5-BATT
PIN-SW
TX-INHIBIT
+14V
GATE-BIAS
DCFB WB/NB
+5V-TX
R9
470 R10 150
PTT
TACT SWITCH
FUNC-2
TAC T
FUNC-1
TAC T
+SPKR
SPRING PROBE
-SPKR
SPRING PROBE
2922 SHEET 5
SYNTH-VCO
TX-VCO
LCK-DET TCXO-MOD/SY-EN SY-CLK SY-DAT VCO-MODPWR-SAVE
RX-LO
GND
TX-COM
+7V5-SW
+5V-AN
+14V
PL1
12 WAY SKT
INTER
22WAY SIDE ENTRY FLEXI BRD SKT
HEX
SWITCH
RSW1
16WAY BCD SW
1 2 4 8
C C
Q1 BC847W
Q2 BC847W
R1
470
R2
470
C1
100N
C11
10N
C2
47N
R4
1K0
R3
1K0
C5 10N
C6 10N
C7 10N
C8 10N
C9 10N
C10 10N
C4 1N0
C3
100N
LK1 LK2
Q5 BC857W
Q4 BC857W
R16 33
R14 4K7
R13 47K
47K
22K
Q3 DTC144W
1
2
3
R12 47K
R15 2K2
TP1
TP2
C15 1N0
C16 150P
TP3
TP4 TP5
TP6
TP7
TP8
TP9
TP10 TP11
TP12
TP13
TP14
SK3
SMA 90DEG SKT
SWITCH
1P1W
12
R5
2K2
R6 10
R7 10
MIC MICORPHONE
1
+V
2
GND
GREEN
D1
DUAL LED
1
2
RED
D1 DUAL LED 3
4
RV1 10K LOG POT
4 5
CW
RV1 10K LOG POT
1 3
2
TP15
TP17
TP16
R20 2K2
R17 180
R8
330
LK3 LK4
+7V5-BATT
+7V5-ACC
PL1
+7V5-ACC
2 PL1
RXD
3 PL1
TXD
5 PL1
EXT-PTT
12 PL1
EXT-SPKR
9 PL1
GND
1
+5V-AN
+7V5-BATT
+5V-DIG +5V-AN +7V5-SW +7V5-BATT
+5V-AN
PL1
EXT-MIC
6
INTER
+7V5-SW
10 INTER
KEY-LATCH
16 INTER
EXP-LATCH
11 INTER
KEY-D0
8 INTER
KEY-D1
9 INTER
KEY-D2
13 INTER
SDAT
3 INTER
SCLK
5 INTER
RESET
1 INTER
GND
15
+7V5-SW +5V-DIG
PL1
MOD-AUDIO
8
+7V5-SW
PL1
SENSE-0
10 PL1
SENSE-1
7 PL1
RX-DET-AF
4 PL1
EXT+SPKR
11
INTER
+5V-DIG
18 INTER
DGND
12
+7V5-BATT
+7V5-SW
INTER
RX-DET-AF
19 INTER
VOL-MAX
20 INTER
MOD-AUDIO
22 INTER
PTT
14 INTER
MISO
4 INTER
ON
2 INTER
TX-AUDIO
21 INTER
S-DATA-READY
6
+5V-DIG
+7V5-ACC
INTER
P37
17
+5V-DIG
INTER
GND
7
+5V-TX
+5V-TX
Accesory Connector Interface PCB
link LK1 & LK2 if RV1 is not fitted
VOL-MAX
PTT
INT-MIC
RADIO-TOP
-SPKR
+SPKR
VOL-MIN
VOL-WIPER
VOL-MAX
KNOB3
KNOB2
KNOB1
KNOB0
RX-LED
TX-LED
ACCESORY
EXT-PTT
RXD TXD
EXT-MIC
MOD-AUDIO
SENSE-0 SENSE-1
EXT+SPKR EXT-SPKR
P37
INTERFACE
RESET
SCLK SDAT
KEY-D2 KEY-D1 KEY-D0
EXP-LATCH KEY-LATCH
TX-AUDIO
MISO
ON
FN1
FN2
PTT