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Section 7
: 4-76
Low Band Range 3 (42–50 MHz) PCBs, Schematics, and Parts Lists
2.10V (44W)
2.878V (72W)
2.137V (44W)
4.57V (44W)
2.54V (72W)
2.42V (44W)
2.85V (72W)
0.825V
4.93V (72W)
R1526
100K
680
R1501
R1524
680
10K
R1504
C1527
.01uF
470
R1502
51K
1K
R1537
R1542
Q1501
RESET_PA_1
0
R1535
R1532
82K
Q1502
FECNTL_1_PA_1
DATA_PA_1
R1519
680
TP1502
6.2K
R1541
Q1503
Q1504
2200pF
C1504
2200pF
C1508
1.1K
R1513
R1517
680
6
5
7
8
4
DATA
C1525
U1502-2
VAR2
18
VAR3
24
15
VG
6
VL
19
VLIM
0.1uF
RSET
31
23
RX
2
T1
30
TEMP
14
V10
16
V45
V5EXT
17
VAR1
20
8
GND1
25
GND2
4
INT
NA
22
11
Q
10
QX
RFIN
1
21
RS
3
CI
5
CJ
7
CL
26
CLK
12
CQ
13
CQX
28
DATA
9
F168
H99S-4
U1503
32 ANO
27 BPOS
29
CEX
2200pF
C1510
Q1505
2200pF
C1511
1
2
CSX_PA_1
C1506
S1501
SWITCH
1000pF
C1523
0.1uF
100K
R1509
TP1505
PA_PWR_SET
9V3_PA_1
TEMPSENSE
TEMPSENSE_PA_1
C1503
2200pF
D1503
D1502
R1545
4.7K
Q1506
1K
R1543
R1544
51K
R1533
CSX
CNTLVLTG_PA_1
CNTLVLTG
10K
100K
R1511
1000pF
FECNTL_2
CLK_PA_1
9V3
C1505
K9V1
9T1
9T1_PA_1
680
K9V1_PA_1
10uF
C1532
R1516
100K
FN0:NP
1K
R1512
100K
FN0:NP
R1515
C1526
R1510
.01uF
100pF
FECNTL_2_PA_1
C1528
PA_PWR_SET_PA_1
CLK
FECNTL_1
1
2
VOUT
D1501
LM50
U1501
3
GND
POS
C1502
2200pF
3.3K
R1503
FN0:NP
1000pF
C1531
C1530
.01uF
3.3K
R1518
RESET
C1501
2200pF
100K
R1514
20K
2
3
1
8
4
R1528
U1502-1
C1512
2200pF
FN0:NP
C1509
1uF
R1523
1%
68K
100K
R1527
FN0:NP
R1525
10K
10K
R1522
100
1%
R1508
C1507
2200pF
TP1501
TP1503
1K
R1507
6.8K
R1505
R1506
39K
9V3
Vint
9T1
PASUPVLTG
9T1
PASUPVLTG
FSWB2
MOSBIAS_2_SW
MOSBIAS_1_SW
MOSBIAS_3_SW
9V3
PASUPVLTG
VCNTRL
9V3
FSWB
9V3
9V3
PCIC_MOSBIAS_1
9V3
9V3
Low Band Range 3 (42–50 MHz) Power Amplifier Sheet 2 of 2
Summary of Contents for PRO Series
Page 1: ...CDM Series and PRO Series Two Way Mobile Radios Detailed Service Manual 6881091C63 F ...
Page 4: ...Notes ...
Page 6: ...Notes ...
Page 8: ...Section 1 ii 6881091C63 F Notes ...
Page 12: ...Section 1 1 4 Radio Model Information 6881091C63 F Notes ...
Page 22: ...Section 1 2 10 Notes For All Schematics and Circuit Boards 6881091C63 F Notes ...
Page 46: ...Section 2 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 78: ...Section 3 1 20 Controller Board Audio and Signaling Circuits Section 6881091C63 F Notes ...
Page 80: ...Section 3 2 2 Troubleshooting Flow Chart for Controller 6881091C63 F Notes ...
Page 84: ...Section 3 3 4 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 146: ...Section 3 3 66 Controller T6 T7 Schematics and Parts Lists 8471235L06 Notes 6881091C63 F ...
Page 152: ...Section 4 1 4 Technical Specifications 6881091C63 F Notes ...
Page 168: ...Section 4 3 8 Troubleshooting Flow Chart for VCO 6881091C63 F Notes ...
Page 172: ...Section 4 4 4 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 232: ...Section 5 1 4 Technical Specifications 6881091C63 F Notes ...
Page 242: ...Section 5 2 10 UHF Band 1 403 470 MHz 1 25 W Frequency Synthesis 6881091C63 F Notes ...
Page 296: ...Section 6 1 4 Technical Specifications 6881091C63 F Notes ...
Page 306: ...Section 6 2 10 UHF Band 2 450 512 527 MHz 1 25 W Frequency Synthesis 6881091C63 F Notes ...
Page 316: ...Section 6 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 352: ...Section 7 3 6 Troubleshooting Flow Chart for VCO 6881091C63 F Notes ...
Page 356: ...Section 7 4 4 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 458: ...Section 8 1 4 Technical Specifications Section 6881091C63 F Notes ...
Page 474: ...Section 8 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 496: ...Section 9 1 4 Technical Specifications Section 6881091C63 F Notes ...
Page 512: ...Section 9 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 530: ...Section 10 1 4 Technical Specifications Section 6881091C63 F Notes ...
Page 546: ...Section 10 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 564: ...Section 11 1 4 Technical Specifications 6881091C63 F Notes ...
Page 580: ...Section 11 3 8 Troubleshooting Flow Chart for VCO 6881091C63 F Notes ...
Page 582: ...Section 11 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 608: ...Section 12 1 4 Technical Specifications 6881091C63 F Notes ...
Page 624: ...Section 12 3 8 Troubleshooting Flow Chart for PassPort 6881091C63 F Notes ...
Page 626: ...Section 12 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 654: ...Section 13 1 4 Technical Specifications 6881091C63 F Notes ...
Page 672: ...Section 13 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...