Motorola ASTRO SPECTRA User Manual

6881086C22-B 75
PLN1360C Tone Remote Control Board Schematic Diagram (Sheet 2 of 6)
RS232_RXD
RS232_TXD
J13- 2
MONITOR*
CHASSIS GND
J1-21
J1-2AUX TX AUD
UNAVAILABLE
RESET/PTT*
J2-31
J1-11
V01
1. UNLESS OTHERWISE SPECIFIED, ALL
J3-41
J2-2
BUS SHLD
SPKR HI
SPKR HI
V03
J1-48
J2-32
BUS-
J1-16
PTT*
AUD SHLD
B
RS232_RXD
J3-26
J2-33
J2-23
VI1
ANALOG GROUND
BUS+
PWR LED K
RESISTOR VALUES ARE IN OHMS AND ALL
RESET
J13- 7
J13- 1
J1-49
RS232_RTS
RS232_CTS
RS232_TXD
RS232_RTS
RS232_CTS
RESET
PWR LED A
J1-25
J3-27
RESET/PTT*
BUS+
J1-47
J1-12
J2-3
CHASSIS GROUND
J14- 7
J14- 9
DIG GND
DIG GND
VSENSE2 SHLD
V02
JUMPER OUT
LEGEND
VU AUD
ANA GND
SPKR LO
J13- 3
VI3
J1-32
J6-2
J3-29
UNUSED CONNECTOR PINS
C
VSENSE1 SHLD
J1-14
INDICATES AN ACTIVE LOW SIGNAL.
J2-7
BUSY
J2-1
J2-6
COAX CONNECTOR
AUX RX AUD
JUMPER IN
SPKR LO
CH MIC/MOD CTRL
J1-29
J14- 6
AUD TX
SCHEMATIC NOTES:
PWR LED A
ANA GND
BUSY
BUS-
J1-6
J1-8
J2-29
J2-24
J2-4
J2-34
J13- 5
J1-39
J2-19
CAPACITOR VALUES ARE IN MICROFARADS.
DET AUD
UNUSED PARTS
DIGITAL GROUND
A
2. AN ASTERISK (*) FOLLOWING A SIGNAL NAME
J3-36
MC14504
U118- 4
910
470pF
C145
J6- 1
J3-31
11
+9.6 V
MC74HC00A
U103-4
12
13
J3-17
J5-2
MC74HC14A
U122- 3
56
J3-39
R14 6
820
J3-48
11
MC3303
U101-3
9
10
8
4
J3-33
U116-3
MC14053B
9
4
5
3
+5V
MC74HC00A
U121- 2
4
5
6
1
2
3
U121-1
MC74HC00A
GND
7
VCC
14
U103-5
J3-11
470pF
C147
SE
T
U129- 1
CLK
3
2
D
Q
5
Q*
6
1
RESET
4
MC74HC74A
J1-9
J3-44
J3-45
J3-30
VR103
5.6V
J3- 2
U130- 4
11
12
13
470p
F
C171C170
470pF
J11- 2
J6- 3
J3-14
0.1uF
C117
J3-10
J4- 2
J3-37
J3- 3
VR130
15V
VR129
J3-43
J1-7
15V
J1-4
J3- 8
J3-23
J5-3
J3-15
J3- 4
J3-32
6
5
7
4
11
U101-2
MC3303
470pF
C169
470pF
J3-49
C168
J3-22
+5 V
+9.6 V
MC14504
U118- 2
54
VR104
5.6V
+9.6 V
5.6V
VR126
U103-2
MC74HC00A
4
5
6
5.6V
VR105 VR106
470pF
C166
5.6V
470pF
C167
VR12 8
15 V
J3-42
J1-5
J3-40
U130- 3
8
9
10
J3-38
SWB+
+9.6 V
Q117
Q118
U118- 3
MC14504
76
15 V
VR131
11 12
J3-18
U117-1
LM2901
4
5
2
3
12
U118- 5
MC14504
J3-47
J5-1
J2-30
11
5.6V
VR122
MC3303
U101-4
13
12
14
4
13 12
U122-6
MC74HC14A
VR121
5.6V
5.6V
VR123
47K
R184
J1-3
R183
10K
+5V
J2-2 5
J3-13
10K
R113
J3-19
J3-25
15V
VR125
J4- 1
470pF
C113
+9.6 V
10 K
R188
4.7K
R189
J3-2 4
Q102
10
R190
P102-2
P102-3
J3-12
P102-1
R147
470
470
R145
+5 V
10K
R185
47K
R186
J3-28
0.1uF
C615
C165
470pF
VR127
5.6V
RX_MUTE_1
PS_AUD_OUT
J3-20
SPKR_UNMUTE
5
6
7
8
10
9
11
12
16
15
14
13
17
18
19
20
21
22
4
3
2
1
MAEPF-27895-O
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Motorola ASTRO SPECTRA Specifications

General

Brand	Motorola
Model	ASTRO SPECTRA
Category	Radio
Language	English