LB Range2, 25-60W PCB 8486207B05 / Schematics
4-21
LT1490
R1510
R1512
LM50
U1501
100K
1%
4.57V (44W)
2.42V (44W)
2.85V (72W)
2.10V (44W)
2.878V (72W)
2.137V (44W)
0.825V
LT1490
33pF
100K
1%
33pF
C1505
GND
3
1
POS
VOUT
2
RESET_PA_1
C1506
CLK
2.54V (72W)
4.93V (72W)
FECNTL_1_PA_1
Q1502
U1502-2
6
5
7
8
4
R1509
1%
100K
C1507
R1522
10K
FECNTL_2
2200pF
FN0:NP
68K
1%
R1523
R1527
100K
D1503
D1502
4.7K
R1545
1K
R1544
Q1506
MMBT3904
R1543
1K
TP1501
Q1504
1.5K
R1541
R1501
680
1.5K
R1537
.01uF
C1530
1K
R1515
20K
R1528
PA_PWR_SET_PA_1
PA_PWR_SET
2200pF
C1502
DATA
SWITCH
S1501
1
2
2200pF
C1501
R1514
100K
R1511
1%
100K
Q1503
82K
R1532
8
4
R1502
470
U1502-1
2
3
1
CNTLVLTG
TP1503
18
V
AR2
24
V
AR3
VG
15
VL
6
VLIM
19
CNTLVLTG_PA_1
31 RSET
RX
23
T1
2
TEMP
30
V10
14
V45
16
17
V5EXT
20
V
AR1
GND1
8
GND2
25
INT
4
22
NA
Q
11
QX
10
1
RFIN
RS
21
CI
3
CJ
5
CL
7
CLK
26
CQ
12
CQX
13
DATA
28
F168
9
U1503
H99S-4
ANO
32
BPOS
27
CEX
29
CSX_PA_1
R1505
6.8K
39K
R1506
680
R1516
C1525
0.1uF
R1503
3.3K
C1510
2200pF
2200pF
Q1505
9V3
C1511
9T1
9T1_PA_1
CLK_PA_1
680
R1519
680
R1517
R1518
3.3K
D1501
C1503
TEMPSENSE
TEMPSENSE_PA_1
2200pF
RESET
R1504
10K
C1504
2200pF
2200pF
R1513
1.1K
C1508
C1526
100pF
C1531
1000pF
FN0:NP
FECNTL_1
R1533
10K
CSX
FECNTL_2_PA_1
.01uF
C1528
DATA_PA_1
C1527
.01uF
K9V1_PA_1
Q1501
K9V1
TP1505
100K
R1526
10K
R1525
FN0:NP
R1508
1%
43.2
39.2
1%
R1535
9V3_PA_1
1K
R1542
2200pF
C1512
TP1502
1uF
C1509
R1507
1K
680
R1524
9V3
Vint
PASUPVLTG
9V3
PASUPVLTG
FSWB2
9V3
MOSBIAS_2_SW
MOSBIAS_1_SW
MOSBIAS_3_SW
9V3
FSWB
PASUPVLTG
9V3
VCNTRL
9V3
PCIC_MOSBIAS_1
9T1
9V3
LB2 (36.0-42.0 MHz) Power Amplifier Sheet 2 of 2
FL0830607-O Sheet 2
Summary of Contents for 6864115B62-C
Page 1: ...Professional Radio GM Series Detailed Service Manual 6864115B62 C ...
Page 2: ...ii ...
Page 4: ...iv ...
Page 5: ...Professional Radio GM Series Service Maintainability Issue July 2007 ...
Page 8: ...ii ...
Page 22: ...2 10 MAINTENANCE ...
Page 25: ...Professional Radio GM Series Controlhead Service Information Issue July 2007 ...
Page 77: ...Professional Radio GM Series Controller Service Information Issue May 2007 ...
Page 100: ...2 2 TROUBLESHOOTING CHARTS ...
Page 104: ...3 4 Controller schematics parts list ...
Page 154: ...3 52 Controller T12 Schematic Diagrams ...
Page 155: ...Professional Radio GM Series VHF 136 174MHz Service Information Issue May 2007 ...
Page 164: ...1 6 MODEL CHART AND TECHNICAL SPECIFICATIONS ...
Page 176: ...2 12 THEORY OF OPERATION ...
Page 186: ...3 10 TROUBLESHOOTING CHARTS ...
Page 190: ...4 4 VHF PCB SCHEMATICS PARTS LISTS ...
Page 252: ...4 66 VHF 1 25W PCB 8471235L02 Schematics VHF 136 174 MHz IF ...
Page 256: ...4 70 VHF 1 25W PCB 8471235L02 Schematics ...
Page 257: ...Professional Radio GM Series UHF 403 470MHz Service Information Issue May 2007 ...
Page 266: ...1 6 MODEL CHART AND TECHNICAL SPECIFICATIONS ...
Page 366: ...2 12 THEORY OF OPERATION ...
Page 372: ...3 6 Low Band TROUBLESHOOTING CHARTS ...