Schematic Diagram - RF Technology Eclipse Series Operation, Maintenance And Installation Manual

Hot standby switch
Table of Contents

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*Note:
1.
2. All relays are shown in the standby positions
STBY_BALAUD_OUT
16
STBY_BALAUD_OUT
D
STBY_BALAUD_IN
4
STBY_BALAUD_IN
pin17
17
STBY_DIRAUD_OUT
2
STBY_DIRAUD_OUT
STBY_DIRAUD_IN
15
STBY_DIRAUD_IN
pin3
3
MAIN_PTT
19
MAIN_PTT
pin7
7
MAIN_COS
20
MAIN_COS
STBY_PTT
5
STBY_PTT
STBY_COS
18
STBY_COS
pin6
6
C
(EXT PA ONLY)
8
T/R-RELAY_MAIN
(EXT PA ONLY)
21
RFO_MAIN
ALARM_LOW_IN1
9
ALARM_LOW_IN1
(ALARM LOW)
(NORMAL HIGH)
ALARM_LOW_IN2
22
ALARM_LOW_IN2
ALARM_HI_IN1
10
ALARM_HI_IN1
(ALARM HIGH)
B
(NORMAL LOW)
ALARM_HI_IN2
23
ALARM_HI_IN2
P1
DB25
+12V
1
14
24
RESET
2
STBY_DIRAUD_OUT
15
STBY_DIRAUD_IN
3
pin3
16
STBY_BALAUD_OUT
4
STBY_BALAUD_IN
17
pin17
5
STBY_PTT
18
STBY_COS
6
pin6
19
MAIN_PTT
7
pin7
20
MAIN_COS
8
T/R-RELAY_MAIN
21
RFO_MAIN
9
ALARM_LOW_IN1
22
ALARM_LOW_IN2
10
ALARM_HI_IN1
A
23
ALARM_HI_IN2
12
FORCE_STBY
11
EXT_BATT
24
RESET
(FORCE_MAIN)
12
FORCE_STBY
25
11
EXT_BATT
13
The signals used for RL1B,RL2B,RL3A,RL3B,RL4B are identical,
lables in this schematic diagram are for description only.
R33
*to be included in ver2 pcb
4K7
(to standby TX Hi-Z)
(from standby RX DIR_AUD)
ALM_BEEP_MIX
(From JP2)
+12V
R14
47K
R1
T/R-RELAY_MAIN
Q7
3906
10K
R3
10K
R2
RFO_MAIN
Q1
3904
10K
C2
R8
100N
10K
D6
1N4148
D7
1N4148
ACTIVE_LOW
D8
R7
1N4148
10K
D9
1N4148
R6
C1
10K
100N
RESET
+12V
+5V
R9
R28
10K
4K7
RV2
10K
Q5
3904
Low voltage detector
C5
R18
100N
1K
R12
10K
FORCE_STBY
ALM
D11
1N4148
EXT_BATT
RL2B
RL3B
RL2A
RL3A
+12V
+12V
RL1B
RL4B
RL1A
ALM_LED
VIN
RL4A
+12V
+12V
+5V
D1
1N4002
R4
10K
alarm triggered PTT(enabed by JP4 off)
R20
D4
U2A
R15
1N4148
Q2
100K
1
1K
3904
3
2
R21
74HC00
R25
R16
R22
100
1K
100K
100
Q4
C7
3904
470U
R24
+5V
100
Q3
R10
3904
10K
D18
1N4148
R23
100
JP1
Batt low enable
C3
1
100N
2
D10
1N4148
+12V
D15
U3
1N4002
LM7805
D14
1N4002
EXT_BATT
VIN
1
VI
VO
Q6
C10
3904
47U
+5V
+5V
U2E
JUMPER SETTINGS
VDD
74HC00
C8
C4
JP1
Batt low alarm enable
VSS
10U
100N
JP2
Alarm beep enable
JP3
JP4
Alarm triggered PTT disable
P2
5
9
4
8
3
7
2
6
1
OPTIONAL
DB9
+5V
U1
68HC908QT
ALM PTT
8
1
VSS
VDD
JP4
7
2
ALM_TONE
2
PA0
PA5
1
6
3
PA1
PA4
D17
5
4
1N4148
PA2
PA3
JP3
2
1
+5V
R5
Q9
U2D
12
TIP31
4K7
11
Q8
13
3906
74HC00
1N4002
D5
ALM
R26
R11
1N4148
Q10
U2C
10K
9
TIP31
4K7
8
10
74HC00
1N4002
R27
Q11
U2B
TIP31
4
4K7
6
5
D19
1N4148
74HC00
D12
R17
ALM_LED
1K
ALARM
D13
+5V
+12V
R19
3
C11
1K
100n
C9
PWR
C6
10U
100N
ON
OFF
Batt low alarm disable
Alarm beep disable
Title
reseved
reseved
Size
Alarm triggered PTT enable
B
Date:
File:
RF TX BKP
RF TX
RF TX MAIN
+12V
RF RX BKP
RF RX
RF RX MAIN
+12V
+12V
D2
RF SWITCH
+12V
D3
ALM_LED
R30
10K
R31
JP2
R29
4K7
C13
1
47K
2
RV3
C12
10u
Q12
Alarm beep enable
3904
100n
10K
R32
R13
10K
1K
HOT STANDBY SWITCH
Number
Revision
05/9180
4-Sep-2006
Sheet of
1
1
D:\Protel Files\Work Files\Hotstandby.ddb Drawn By:
G. LOU
D
C
B
A
1

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