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Motorola Gm Series Detailed 6864115b62 B Manual

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Page 271

UHF 1-25W Band1 PCB 8485670z03 / Schematics4-29
9
G
G GG G
G 4802245J84
NOTPLACED 2113740L30  33pF
L31249180469V03
0.75VDC
0.75VDC3VDC
NOTPLACED
2113740F35  22pF Y3101 4880606B09
20/25kHz  5VDC 12.5kHz  0VDC
3.9VDC
fundamental xtal 3rd overtone xtal
R3123 0662057B47  0 NOTPLACED
R3124 NOTPLACED 0662057A49 1K
C3124
2462587N68  1uH
C3136 2113740L29 30pF9180469V04
9180468v04
9180469V06
9180468V06
3VDC
0.1uF C3139 VDD14
VSS
7
Q3141
MC74HC4066U3111-1
CNTL131 2
R3116
330
82pF C3112
10 R3112
1.8K R3142R3154...

Page 272

4-30UHF 1-25W Band1 PCB 8485670z03 / Schematics4.1 UHF PCB 8485670z03 Parts List 1-25W
Circuit 
RefMotorola 
Par t No.DescriptionC3101
2113740F34
20pF
C3102 2113740F31 15pF
C3103
2113740F39
33pF
C3104 2113743E20 100nF
C3110
2113740F37
27pF
C3111 2113743E20 100nF
C3112
2113740F49
82pF
C3114 2113740F33 18pF
C3115
2113740F35
22pF
C3116 2113743E20 100nF
C3121
2113743E20
100nF
C3122 2113743E11 0.039uF
C3123
2113743E11
0.039uF
C3124 2113740L30 33pF           3rd overtone xtalC3124
NU...

Page 273

UHF 1-25W Band1 PCB 8485670z03 / Schematics4-31
*  Motorola Depot Servicing only
Reference designators with an asterisk indicate compo-
nents which are not fieldreplaceable because they need to 
be calibrated with specialized factory equipment after 
installation. Radios in which these parts have been 
replaced in the field will be off frequency at temperature 
extremes.
L3112 2462587T25 620nHL3124
2462587N68
1uH             3rd overtone xtal
L3124 NU                    fundamental xtal
L4003
2462587T23...

Page 274

4-32UHF 1-25W Band1 PCB 8485670z03 / Schematics 

Page 275

UHF 25-40W Band1 PCB 8486127z01 / Schematics4-335.0 UHF 25-40W Band1 PCB 8486127z01 / Schematics
C0108C0211
C0212 C0251
C0252
R0103R0211
R0212
R0251 R0252
R0253 R0257
16
1
8
9 U0251
C0253C0256
C0261
C0262R0256
R0268
R0269 8 7114
U0211
C0421
C0441
C0442C0443
C0445
C0446C0447
Q0110
R0222 R0261 R0262R0442
C0104 C0106C0224
C0226
C0227C0228
C0232
C0233
C0236 C0237C0495 R0101R0102
R0104 R0108R0110
R0115
R0116R0226R0227
R0228C0221C0222 C0225
C0241 C0243 R0220R0221
R0223R0224
R0229R0254
R0255
C0235C0242
C0244...

Page 276

4-34UHF 25-40W Band1 PCB 8486127z01 / Schematics
4 32
Y3101
C3122
C3123
D3101
Q3102 R3113
R3114R3115R3116 R3133
C3116 R3118
C3121
L3112R3112C3104
C3110 C 3 111
C3112
C3113 L 3 111Q3101 R3102
R3104
R3105
R3107 R3108 C3144 C3146
C3147
C3151C3152
Q3141
Q3151Q3152
R3134R3141 R3146
R3147
R3151 R3152
R3153 R3154
4
3
2 FL3111
FL3113
43
2 FL3115C4261C4262
C4263D4261
R4261 TP4201TP4202
4 3
1Y4261 2
34Y4262
6
C4235
R4263L4231C4201C4202C4203
C4204
C4205
C4206 C4207
C4208 C4209
C4211
C4228
C4241
C4287...

Page 277

UHF 25-40W Band1 PCB 8486127z01 / Schematics4-35
ZMY0131025-O
PASUPVLTG_UHF_PA_1 PASUPVLTGPASUPVLTG
9V3
9V3_UHF_PA_1C4602
.033uF
3000pF C4481
C4485
30pFL4402
30pF C4484
.033uF C4421
1000pF C4495
NU NUC4490
1000pF C4497 C4489
BLM31A02PTL4474L4541NUC4493
1000pF C4478
C4436
10uF
NU0.1uF C4438
17nH L4437L4421
C4423
100pF C4422NU
100pFC4439 L4438
17nHC4437 L4436
NU
NU 13pF C4442C4466 30pF
C4441 6.8pFC4443C4491
3.3pF
C4476
NU
NU C4445
6.8pF
3.3pF C4487
13pF C4444
C4467 C4440
30pFC4477
100K R4409
9V3L4490...

Page 278

4-36UHF 25-40W Band1 PCB 8486127z01 / Schematics
NU
0 VDC (RX)
NU NU
3.43 VDC
3.05 VDC (RX)
NU
4.97 VDC
2.48 VDC
NU
NU
4.58 VDC 3.79 VDC
2.48 VDC 4.97 VDC (25KHZ Chan. Spacing)
1.78 VDC (Rx)
4.97 VDC (TX) 5 VDC (Locked)10.87 VDC
1.28 VDC
NUNU
NU
0 VDC (Unlocked)
2.63 VDC (TX)
VDC 4.97 VDC
NU
0 VDC (12.5KHZ Chan. Spacing)
2.52 VDC 2.5 to 11 VDC
1.76 VDC (Tx)30mV - 80mV RMS 12.7 VDC
0 VDC 4.97 VDC
NU1.8pF
(SOURCE)
NU
3.48  6.68 VDC
TP4201C4204
100pF
R4204
472.2uF C4214 INPUT8
OUTPUT 1
SENSE 2
SHUTDOWN3...

Page 279

UHF 25-40W Band1 PCB 8486127z01 / Schematics4-37
NU NU
NU
0 VDC (Tx)
NUNU
NU
NU
2.5 - 11 VDC0 VDC (Rx)
4.58 VDC 4.58 VDC
NUNU
13.5 to 16 dBm 
NU
0 VDC (Tx)
3.1 VDC (Rx)0 VDC (Tx)
4.7 VDC (Rx)
NU
(Tx)
4.54 VDC
0 VDC (Tx)2.35 VDC 
NU
0 VDC (Rx)4.42 VDC (Rx)
NUNU
NUNU
NUNU
NUNU
NUNU
NUNUNU
NU NUNU
4.97 VDC (Tx)-18 to -16 dBm (Rx)
-16 to -11 dBm (Tx) 4 to 6 dBm 4.54 VDC
4.54 VDC (Tx)
2.6 VDC (Tx)1.91 VDC (Tx)
0 VDC (Rx) 2.45 VDC (Rx)(Rx)2.43 VDC (Rx)
NU
NU
GND C4301
100pF
30 R4313 C4372
VCTRL_UHF_VCOL4331...

Page 280

4-38UHF 25-40W Band1 PCB 8486127z01 / Schematics
R4066C4069
R4070
.01uF
C4068
100pF
C4065390
C4064
0.1uF
0
100pF390
R4064R4062
1.5K
R4063R4072
10KR4071
10K
C4062
0.1uF R4061
10K
C4061
330pF
R4069
1KR4068
C4066 1.5K
C4067
3300pF
R4054
R4055 R4053
R4052
0 C4060 R4060
330K
L4008
470nH R4022
L40060
R4020C4051
15nH10pF
L4054C4031
13pF
15nH L4053
27nH
C4055
6.2pF
NUC4054
16pFC4053R4051
16pFC405251
L4051
82pF150nHL4005
L4001L4002L4004 C4010
1.8pF 330pF
C4029
C4027C4030
1.8pF
1.8pF
1.8pF C4026
R4013R4015
270...
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