UHF 1-25W Band1 PCB 8485670Z02 / Schematics
4-7
NU
NU
NU
0 VDC (Tx)
NU
NU
NU
NU
2.5 - 11 VDC
0 VDC (Rx)
4.58 VDC
4.58 VDC
NU
NU
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)
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
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_VCO
L4331
33nH
VSF_UHF_VC0
C4318
0.1uF
Q4301
R4361
180
C4305
51pF
C4337
R4332
CR4303
C4382
VCOBIAS_2
5V_UHF_VCO
C4332
0
R4315
CR4311
C4381
C4313
.022uF
C4336
R4345
SH4301
SHIELD
R4302
10K
C4383
C4363
R4333
R4312
5.6K
C4309
100pF
C4315
100pF
19 TRB_IN
16 TX_BASE
15 TX_EMITTER
1 TX_IADJ
10
TX_OUT
13
TX_SWITCH
14
VCC_BUFFERS
18
VCC_LOGIC
GND_LOGIC
17
12
PRESC_OUT
5 RX_BASE
6 RX_EMITTER
2 RX_IADJ
8
RX_OUT
7
RX_SWITCH
3 SUPER_FLTR
U4301
4 COLL_RFIN
20 FLIP_IN
11
GND_BUFFERS
9
GND_FLAG
R4346
10K
50U54
L4312
RESONATOR
1 P1
2
P2
3 P3
C4314
1.5pF
C4307
100pF
C4352
0.1uF
C4321
Q4331
1pF
4
1
3
CR4301
Q4333
2
6
C4339
C4375
L4332
L4361
390nH
VCTRL
0
R4341
C4324
2.4pF
2.2K
R4342
6.8pF
TRB_UHF_VCO
C4331
C4304
3.9pF
C4333
C4374
C4335
100pF
270
R4314
7.5K
R4311
TXINJ_UHF_VCO
R4334
R4301
L4301
390nH
R4323
5.6K
100K
1K
R4343
C4353
0.1uF
C4312
12pF
390nH
L4305
C4323
R4337
C4317
PRESC
Q4332
68nH
L4333
390nH
L4371
56K
R4321
R4305
C4316
10
0
5V
0.1uF
R4347
C4338
R4336
51pF
2.2uF
C4354
C4351
100pF
22
R4331
C4373
R4339
PRESC_UHF_VCO
390nH
L4311
R4335
180
R4304
CR4321
10K
R4322
100pF
C4311
100pF
C4361
30
R4303
L4302
390nH
C4362
C4303
8.2pF
R4338
RXINJ
RXINJ_UHF_VCO
L4303
RESONATOR
1 P1
2
P2
3 P3
0.1uF
C4371
TXINJ
390nH
L4313
SHIELD
SH4302
TRB
C4334
C4306
2pF
C4355
2.2uF
VSF
VCOBIAS_2_UHF_VCO
VCOMOD
C4308
0.1uF
390nH
L4304
C4302
8.2pF
CR4302
10
R4344
C4322
4.7uF
C4325
VCOMOD_UHF_VCO
GROUND
R4340
5V
VSF
TXSW
TXSW
RXSW
RXSW
VSF
UHF (403-470 MHz) Voltage Controlled Oscillator
ZWG0130523-A
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 ...