Motorola Uhf Schematics Manual

UHF 25-40W PCB 8480643z06 / Schematic4-13
3.0 UHF 25-40W PCB 8480643z06 / Schematic
C0101C0102 C0104
C0106
C0107
C0131 C0132 C0211
C0212
C0221
C0222
C0223 C0224
C0225
C0226
C0227C0228
C0231
C0232
C  0233
C0234C0235
C0236
C0237
C0241
C0242
C0243
C0244C0245 C0246
C0251
C0252C0253
C0256
C0261
C0262C0421
C0441
C0442
C0443
C0445
C0446
C0447
C0448
C0449 C0451
C0452
C0453
C0455
C0456
C0457
C0458
C0459
C0460
C0461
C0462
C0463
C0464
C0466
C0467
C0468
C0470
C0471
C0472
C0473 C0474
C0476
C0477
C0478
C0482
C0483...

4-14UHF 25-40W PCB 8480643z06 / Schematic
C0103C0105
C 0 111 C0112C0121
C0122
C0123
C0141
C0151
C0201
C0202
C0203
C0204 C0205
C0254C0255
C0265
C0266C0267
C0271C0272
C0273C0274
C0275
C0276 C0277
C0301
C0302
C0303C0304
C0305 C0324C0325
C0331
C0341
C0342
C0343
C0344
C0351
C0352
C0353
C0354C0401
C0402
C0403
C0406
C0407
C0408
C0409
C0410
C0411C0422C0423
C0426
C0427
C0428
C0429
C0430 C0431
C0485 C0491 C0492
C0497
C0499
C0541
C0554 C0558C0559
C0560C0575
C0576 C0591
C0592C0593
C0611
C0621C0622
C0641
C0644C0645...

UHF 25-40W PCB 8480643z06 / Schematic4-15
NU
2.4 to 2.6 VDC3.11 VDC (44W)
NU
NU
NUNU
3.1 VDC (44W)
NU
NU NU
6.2 VDC (28W) 4.5 VDC (44W)
NU
4 to 6 dBm
3.7 to 3.9 VDC
2.2 VDC (28W)
NU NU
NU
NU NU
0.75 VDC
4.4 VDC (28W)6.5 VDC (44W)NU
NU
NU NU NU NU
NU
NU
NUNU
NU
NUNU NU
2.2 VDC (28W)
NU
NUNU
NUNU
9.2 VDC
NU
NU NU
NU NU
NUNU
NU
NU
NU100pF C4459
FE_CNTL_2_VHF_PA_1
4.7 R4601
R4431
C4502
.015uF 16pF
R4433C4450
C4462 L4401
11.03nH
R4506
10K
R4459C4449
K9V1 C4418
33pF
GND
3 POS1
2
VOUT 0.1uF
LM50 U4502...

4-16UHF 25-40W PCB 8480643z06 / Schematic
C4262
220pF
NU
C4251
0.1uF C4228
0.1uF
NU
C4252 R4221
1000pF 150
TP4202 1
C4253
4.7uFIN_5V_RF_REG
TRB
D4261
NU 2.2uF C4213
R4241MODIN
220 C4221
.01uF
C4227
LOCK_UHF_FN_1
100pF
100pF C4243U4507 C4202
.01uF
BWSELECT
100pFVSF_UHF_FN_1
C4255 0.1uF C42092.2uF C4210
16_8MHz_UHF_FN_1C4204 5V_UHF_FN_1
100pF
R4222
510
VCOMODC4246
100pF 100pF C4287
C4241CLK_UHF_FN_1
C4242VDDA
100pF C42230.1uF C4222
CSX_UHF_FN_1 C4207
C4289
0.1uF Vac
VCTRL
R4263
100C4244 47 R4204
CLKVSF...

UHF 25-40W PCB 8480643z06 / Schematic4-17
CR4302R4361
180
CR4301
0 R4315L4332
GNDRXINJ VCOBIAS_2
100pF
VCTRL_UHF_VCO
C4312
12pFC4309
R4311390nH
7.5KL4361.022uFC4336
R4333 C4305
VacC4339
CR4303R4302
10KR4346
10K
1pF C4321C4314
1.5pF5V_UHF_VCO
C4318
0.1uF
C4381
0.1uF
NU1K R4343
C432330 R4313R4344
10Q4332 0.1uF
CR4311 100pFC4352
C4363
C4301C4333 C4372
SH4301
SHIELD R4332
4.7uF C43250RXINJ_UHF_VCO
1P1
2
P2
3P3R4347 TXINJ_UHF_VCO
L4312 RESONATORL4331
33nH
L4301
390nHTRB_UHF_VCO
C4315
100pF22 R4331...

4-18UHF 25-40W PCB 8480643z06 / Schematic
NU
NU
NU
NUNU NU
NU
3 to 6.5 VDC
NU NU
NU NU
NU
NU
NU
NU NU
NU
0.7 VDC4.6 VDC
C4028
.01uF
3.3K R4018 3300pFC4067
R4022
0 D4007
R4020
15nHQ4001 R4068
L4006100pF 1.5K
R4005 C4014
C405210K
82pF FECTRL_1_UHF_FEC4010
330pF
43pF C40031.8pF
C4051 C4026
IN
NEGPOS
10pF L4005 R4017
GND 1.8pF R4069 K9V1
C4030
D4004 1K
10pFC4020
R4051
R4053 51
2
35
4 L4008
470nH
XFMR T4051
1
RXINJR4055R4070
390
3.3K R4016
1.8pF
16pF C4027
1000pF
C4054 C4008
R4052
0 C4066 FECTRL_2_UHF_FE...

UHF 25-40W PCB 8480643z06 / Schematic4-19
9180468v04
9180468V06 3.9VDC
 12.5kHz  0VDC
20/25kHz  5VDC 9180469V03
3VDC9180469V069180469V04
0.75VDC
0.75VDC3VDC
R3117
27K
Q3102
10 R3112 IF
1.8K R314210K
27pFR3154
C3140
0.1uF C3110
620nHL3111 620 R3108
5
CNTL4
314VDD7VSS
C3144 U3115-2
C3143 0.1uF
120pF R3115
390
R3118
6.8K
R3111
12K 5V_VHF_IF_1Q3151
NU C3113 NU R3104
22pF C3115VDD
14VSS7
Q3141 MC74HC4066
U3111-1CNTL
131
2
R3116
330
82pFC3112Q3152
R3135
1.2K
DISCAUDIO_VHF_IF_1BWSELECT_VHF_IF_1
R3101...

4-20UHF 25-40W PCB 8480643z06 / Schematic3.1 UHF PCB
 8480643z06, 25-40W 
PartsList
Circuit 
RefMotorola 
Part NoDescriptionC3101
2113740F34
20pF
C3102 2113740F31 15pF
C3103
2113740F39
33pF
C3104 2113743E20 10uF
C3110
2113740F37
27pF
C3111 2113743E20 10uF
C3112
2113740F49
82pF
C3114 2113740F33 18pF
C3115
2113740F35
22pF
C3116 2113743E20 10uF
C3121
2113743E20
10uF
C3122 2113743E11 0.039uF
C3123
2113743E11
0.039uF
C3132 2113743E20 10uF
C3133
2311049A57
10uF
C3134 2113743E20 10uF
C3135
2113740L30
33pF
C3136...

UHF 25-40W PCB 8480643z06 / Schematic4-21C4632 2113741F25 1000pFCR4301
4805649Q13
DIODE, VARACTOR
CR4302 4862824C01 DIODE VARACTOR
CR4303
4862824C01
DIODE VARACTOR
CR4311 4802245J22 DIODE, VARACTOR
CR4321
4862824C01
DIODE VARACTOR
D3101 4880154K03 DIODE DUAL SCHOTTKY
D4001
4862824C01
DIODE VARACTOR
D4002 4862824C01 DIODE VARACTOR
D4003
4880154K03
DIODE DUAL SCHOTTKY
D4004 4862824C01 DIODE VARACTOR
D4005
4862824C01
DIODE VARACTOR
D4007 4813833C02 DIODE, DUAL 70V
D4051
4886143B01
DIODE, MIXER
D4201...

4-22UHF 25-40W PCB 8480643z06 / Schematic
*  Motorola Depot Servicing only
Reference designators with an asterisk indicate 
components 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. R4501 0662057A67 5600
R4502
0662057A93
68K
R4503 0662057A63 3900
R4504
0662057A73
10K
R4506 0662057A73 10K
R4507
0662057A73
10K
R4511...