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Motorola Pro3100 Detailed Service Manual

Motorola Pro3100
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UHF Band 1 (403–470 MHz) 1–25 W PCB 8485670Z03, Schematics, and Parts Lists Section 5: 4-23
6881091C63-F
47K
47K
47K
10K
C4307
1pF
NU
Q4331
MMBR941
NU
100pF
C4372
NU
2pF
R4334
NU
0
R4335
L4371
1pF
NU
C4373
R4337
NU
C4331
6.8pF
C4334
51pF
NU
C4335
0.1uF
C4332
C4337
1pF
C4339
NU
R4338
NU
220
R4340
220
NU
22
NU
R4344
R4345
0
NU
R4336
NU
1K
NU
1pF
C4313
NU
0.1uF
C4381
NU
22K
R4332
R4333
10K
NU
10
R4362
NU
L4362
33nH
NU
470
R4381
1pF
C4374
NU
100pF
NU
C4382
100pF
NU
C4317
100pF
NU
C4375
0.1uF
NU
1pF
C4363
NU
NU
100pF
C4322
C4323
NU
0.22uF
NU
0 VDC (Tx)
2.35 VDC
0 VDC (Tx)
4.42 VDC (Rx)
NU
NU
(Tx)
4.54 VDC
-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
0 VDC (Tx)
4.7 VDC (Rx)
0 VDC (Tx)
3.1 VDC (Rx)
NU
0 VDC (Rx)
2.5 - 11 VDC
0 VDC (Rx)
4.58 VDC
4.58 VDC
13.5 to 16 dBm
4.97 VDC (Tx)
-18 to -16 dBm (Rx)
TRB
VCOMOD
VSF
CR4302
RESONATOR
L4303
P11
P2
2
P3
3
RXINJ_UHF_VCO_1
SH4302
SHIELD
VCOMOD_UHF_VCO
R4311
7.5K
R4312
5.6K
L4301
390nH
390nH
C4301
100pF
8.2pF
L4302
Q4332
C4302
12pF
C4312
R4313
30
R4314
270
PRESC
C4304
C4303
8.2pF
C4305
3.9pF
100pF
180
R4304
CR4321
PRESC_UHF_VCO
RXINJ
30
R4303
1.5pF
100pF
C4315
5.6K
C4314
L4304
390nH
R4301
VCOBIAS_2_UHF_VCO
TXINJ
1
3
TRB_UHF_VCO
Q4333
2
6
4
CR4301
VCTRL
390nH
TXINJ_UHF_VCO
C4308
0.1uF
L4305
C4309
100pF
10
R4305
C4351
100pF
C4353
0.1uF
Q4301
VSF_UHF_VC0
VCOBIAS_2
5V
GND
2.2uF
C4354
R4361
180
L4361
1000pF
C4361
L4331
33nH
C4352
33nH
0.1uF
10
TX_SWITCH
13
VCC_BUFFERS
14
VCC_LOGIC
18
SHIELD
SH4301
2
RX_OUT
8
RX_SWITCH
7
SUPER_FLTR
3
TRB_IN
19
TX_BASE
16
TX_EMITTER
15
TX_IADJ
1
TX_OUT
4
FLIP_IN
20
GND_BUFFERS
11
GND_FLAG
9
17
GND_LOGIC
PRESC_OUT
12
RX_BASE
5
RX_EMITTER
6
RX_IADJ
U4301
50U54
COLL_RFIN
P2
2
P3
3
CR4311
RESONATOR
L4312
P11
10
5V_UHF_VCO
10K
C4306
R4331
R4302
22
390nH
L4311
390nH
100pF
C4311
15nH
L4332
L4333
R4343
10
1K
R4339
2.2K
R4342
.022uF
C4336
51pF
C4338
51pF
C4333
51pF
100pF
0
0
R4341
1pF
VCTRL_UHF_VCO
68nH
56K
C4321
R4321
C4362
CR4303
R4346
10K
1000pF
R4347
0
L4313
C4318
0.1uF
C4383
390nH
3.9pF
C4319
3.3pF
C4365
1K
R4363
C4364
5.6pF
R4360
270
C4324
2.4pF
C4325
4.7uF
R4323
100K
2.2uF
C4355
0.1uF
C4316
0.1uF
C4371
R4322
10K
R4315
0
TXSW
GROUND
VSF
5V
VSF
TXSW
RXSW
RXSW
VSF
UHF Band 1 (403–470 MHz) 1–25 W Voltage Controlled Oscillator
ZWG0130624-O

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Motorola Pro3100 Specifications

General IconGeneral
BrandMotorola
ModelPro3100
CategoryTwo-Way Radio
LanguageEnglish

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