Technical Manual
11
994478
A
14-May-2002 10:55:16994478A.Sch
Title:
Size: Drawing Number:
Date:File:
Rev:
Sheet of
Time:
D
AUDIO AMP BD, GUARDIAN 100W MOBILE
Schematic
Date:
Date:
Appr:
Drawn:
REV ECN DESCRIPTION DATE APPR
3030 Enterprise Ct.
Vista, CA 92083
(760)597-3777
INT_5W_SPEAKER_P
INT_5W_SPEAKER_N
INTERNAL_SPEAKER_P
AUDIO_INTERNAL_DISABLE
R10
10K
EXTERNAL_10W_SPEAKER_N
EXTERNAL_10W_SPEAKER_P
INTERNAL_SPEAKER_N
AUDIO_EXT_DISABLE
+IN1
1
--IN1
2
GND1
3
Vref
4
OUT1
5
BS1
6
GND2
7
BS2
8
OUT2
9
Vp
10
M/SS
11
RR
12
+IN2
13
U2
TDA1516BQ
C5
1uF/25V
C4
1uF/25V
R16
10k
R15
10k
R33
10k
R13
10k
R14
10k
R19
10k
SWBAT
R4
0ohm
R5
0ohm
+IN1
1
--IN1
2
GND1
3
Vref
4
OUT1
5
BS1
6
GND2
7
BS2
8
OUT2
9
Vp
10
M/SS
11
RR
12
+IN2
13
U1
TDA1516BQ
C1
1uF/25V
C2
1uF/25V
R9
10k
R8
10k
R21
10k
R6
10k
R7
10k
R12
10k
SWBAT
R2
0ohm
R3
0ohm
C14
0.1uF
C15
0.1uF
C22
47uF,20V
C21
47uF,20V
C19
47uF,20V
C20
47uF,20V
INTERNAL AUDIO AMPLIFIEREXTERNAL AUDIO AMPLIFIER
C3
1uF/25V
C6
1uF/25V
R17
10K
C7
1nF
C8
1nF
R18
10k
R11
10k
Q5
2N7002
R43
0ohm
C55
1uF/25V
J4
OSMT
C9
1nF
C10
1nF
L1
2.7uH
R46
100k
R23
1k
R24
1k
R44
100K
R34
10k
R26
10k
R22
10k
R35
10k
R27
300
R38
2.67K-1%
R30
10k
R32
10k
R28
10k
PA_PTT
3
2
1
U4A
LM2903
4 8
VCC
GND
U3C
LM2904
1
2
3
U3A
LM2904
Q7
2N7002
7.8Vsw
LED_TX
7.8Vsw
C16
0.1uF
C53
10uF
EMERGENCY_SWITCH
EXTERNAL_10W_SPEAKER_P
EXTERNAL_10W_SPEAKER_N
L2
10uH
C13
1nF
SWBAT
RS232_RTS
SQ_INF
RS232_CTS
EXTERNAL_10W_SPEAKER_N
RS232_DTR
EXTERNAL_10W_SPEAKER_P
RS232_TXD
RS232_RXD
INTERNAL_SPEAKER_P
PC_232TXD
SERIAL_CLOCK
PC_232RXD
EXTERNAL_MIC/WE
EXTERNAL_PTT/KID
EXTERNAL_SPEAKER_N
PTT_SWITCH
WRU_MONITOR
EXTERNAL_MIC_BIAS/KEY
EMERGENCY_SWITCH
EXTERNAL_SPEAKER_P/KLD
7.8Vsw
INTERNAL_SPEAKER_N
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
J6
610458
FB23
FB22
FB21
FB20
FB19
FB17
FB16
FB15
FB14
FB13
FB12
FB11
FB10
FB9
FB8
FB7
FB6
FB5
FB4
C52
100pF
FB18
C26
100pF
C27
100pF
C28
100pF
C29
100pF
C30
100pF
C31
100pF
C32
100pF
C35
100pF
C36
100pF
C38
100pF
C39
100pF
C41
100pF
C42
100pF
C43
100pF
C44
100pF
C45
100pF
C46
100pF
C47
100pF
C48
100pF
C50
100pF
C51
100pF
C40
100pF
C49
100pF
R36
10k
ON/OFF
R39
1.27k-1%
Q9
MMBT2222
R45
0OHM
FB1 FB2
SWBAT
C17
0.1uF
C33
100pF
C34
100pF
C25
.01uF
C37
100pF
FB3
E1
PAD
E2
PAD
C12
1nF
5
6
7
U4B
LM2903
8
4
U4C
LM2903
SWBAT
C18
0.1uF
7
5
6
U3B
LM2904
R37
0ohm
R53
10k
R55
560
R54
1.82K-1%
J3
1
2
3
4
5
6
7
8
9
J5
610457
2
4
1
3
7,8 5,6
Q10
IRF7328
FB24
D3
4148
R60
10k
C58
1nF
R56
1.05K,1%
R52
10k
7.8Vsw
7.8Vsw
IGN_SW
IGN_SW
PF1
550044
PANEL MNT
VBAT
7.8Vsw
C56
1uF/25V
R41
51.1K-1%
Q8
10K/10K
3
2
1
U6A
LM2903
8
4
U6C
LM2903
5
6
7
U6B
LM2903
R20
100k
R1
200k
7.8Vsw
Q1
2N7002
R29
100
R40
10k
7.8Vsw
R50
2.67K
C82
1uF/25V
C57
DNP
Vout
2
1
+Vin
3
ADJ
U5
LM350T
C11
10uF
R51
12.7K
R47
100K
Q3
MMBT2907
Q2
MMBT2222
R49
1.05K,1%
SWBAT
C23
0.1uF
R48
10k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J1
613507
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J2
613507
3.3V VBAT SWBAT 7.8V
FB25
Q12
IRLML6302
Q11
2N7002
ON/OFF
R62
10K
7.8V
D1
1N6278
D4
1N6278
Q15
2N7002
Q14
2N7002
Q13
2N7002
Q16
MMBT2222
R63
100k
R64
100k
7.8Vsw7.8Vsw
7.8Vsw
R65
100k
C24
1uF/25V
PTT_SWITCH
TP21
3.3V SWBATVBAT 7.8V
R66
DNP
R67
0OHM
R69
10k
R68
270
ON/OFF
PA_PTT
LED_TX
INT_5W_SPEAKER_N
INT_5W_SPEAKER_P
AUDIO_INTERNAL_DISABLE
AUDIO_EXT_DISABLE
INTERNAL_SPEAKER_P
INTERNAL_SPEAKER_N
EXTERNAL_SPEAKER_P/KLD
EXTERNAL_MIC_BIAS/KEY
WRU_MONITOR
RS232_TXD
PC_232TXD
RS232_DTR
EXTERNAL_MIC/WE
EXTERNAL_PTT/KID
PC_232RXD
RS232_CTS
SERIAL_CLOCK
RS232_RTS
RS232_RXD
EXTERNAL_SPEAKER_N
7.8V
PTT_SWITCH
SQUELCH_INDICATOR
IGN_SW
EMERGENCY_SWITCH
3.3V
TP21
BIAS
BIAS
VBAT_TP
VBAT_TP
C54
1nF
R25
6.2K
FD1FD2FD3
BOM:125-50220
PCB:738534
C38
DNP
R31
0OHM
R42
0OHM
R57
0OHM