Motorola ASTRO SPECTRA User Manual

6881086C22-B 79
PLN1360C Tone Remote Control Board Schematic Diagram (Sheet 6 of 6)
AUDIO SHAPING FILTER
TRC DECODER FILTER & LIMITER
TX_AUDIO
EEPOT_OUT
RX LEVEL CONTROL
MIC_AUDIO
MOB_RX
EEPOT_IN
50K
R564
180K
R569
R566
4.7K
R541
84.5K
R557
5.6K
MC3303
U112-3
9
10
8
4
11
U116-2
11
14
12
13
C539
100pF
4
11
R554
470K
678
U111- 4
13
12
14
1uF
U116-4
16
R550
47K
C164
7
4
11
16
813
U105-2
6
5
U118-7
1
C53
6
0.1uF
C555
470pF
R540
4.7K
+9.6V
TP3
C547
0.1uF
200K
0.1uF
R545
+5V
C545
14 15
100K
R114
U113-6
MC14504
R546
12K
39pF
+9.6V
VB
R559
VB
C527
TP5
12K
C565
470pF
C566
0.1uF
11
MC14504
U118-6
14 15
U106-1
2
3
1
4
TP1
VB
U114-3
MC14053B
9
4
5
3
+9.6V
A+
100K
0.1uF
R103
R148
100K
C560
3.3K
+9.6V
470pF
C553
R563
12K
R109
MC1450 4
U113-3
76
R111
100K
R548
180K
C533
1000pF
C544
1uF
4.7uF
0.1uF
C160
C546
R104
100K
.018uF
VB
C540
4
11
+9.6V
+9.6V
2
U105-4
13
12
14
C531
0.1uF
VB
U118-1
MC14504
3
0.1uF
VB
6
5
7
4
11
C562
+9.6V
VB
U112-2
MC3303
VB
U113-7
116
813
17
CLK
16
GND2
12
INV_A
6
N_A
13
VBIAS
15
VCC1
1000pF
HY2-2
5
B_N_A
+2.2V
C528
C534
270pF
R543
84.5K
10K
TP2
R565
180K
C543
270pF
13K
R561
27K
VB
R571
R553
6.2K
+9.6V
R572
2
1
U116-1
10
15
C563
10uF
R578
0
2
3
1
4
11
+9.6V
+9.6V
+9.6V
U105-1
+9.6V
R576
33K
GND
14
GND1
8
INV_B
18
N_B
2
VB1
1
VB2
7
VCC
4
0
HY2-1
B_N_B
3
4.7uF
R570
22uF
C535
12K
C542
R549
Q116
100K
R574
0
43K
R577
R575
11 12
+9.6V
C530
0.33uF
C556
470pF
U113-5
MC14504
0.1uF
R568
470K
VB
C561
R112
0
+9.6V
R558
3.9K
C552
470pF
470pF
C564
C554
470pF
C550
470pF
TP4
+9.6V
R121
100K
R573
100K
R552
27K
1000pF
+9.6V
U114-4
16
678
C541
R567
10K
U112-4
MC3303
13
12
14
4
11
0.1uF
C518
R536
47K
VB
18
CLK
17
GND
12
GNDX
10
INV_A
1
INV_B
11
VBIAS
13
VCC
14
VDD
7
VSS
HY1
3
BP_A
2
BP_B
10
15
2
1
VB
U115-5
PWR_GND
C522
MC14053B
U114-1
+9.6V
1uF
33K
100K
R110
12K
+5V
R562
+5V
R556
VB
0.1uF
C519
C523
100pF
U114-2
11
14
12
13
C521
330pF
R538
470K
470pF
C549
9
10
8
4
11
R551
1MEG
100K
U111-3
100K
R108
270K
R115
R542
9
10
8
4
11
C532
0.1uF
+9.6V
U105-3
1000pF
C524
R560
12K
R555
27K
R544
10K
C537
1000pF
R547
20K
C559
0.1uF
100K
RX_MUTE_1
R102
FILTER_CLOCK
RADIO_SEL
AUX_RX_AUD
FILT_AUD
DET_AUD
LPTT
WL_MUTE
RX_MUTE
TRUNKING_TONES
DECODE_TONES
GT_FT*
+9.6V
POWER
POWER
POWER
POWER
4
3
2
1
MAEPF-27899-O
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Motorola ASTRO SPECTRA Specifications

General

Brand	Motorola
Model	ASTRO SPECTRA
Category	Radio
Language	English