4-8
VHF 1-25W PCB 8486172B04 / Schematics
Remark:
If Y3261 is placed then C3263 2113740F07 1.5pF
If Y3263 is placed then C3263 2113743E20 100nF
Rxxx 0662057B02 150k
R3261 0662057A89 47k
see remark
see remark
(SOURCE)
C3245
C3212
220pF
16_8MHz
.018uF
390nH
L3201
C3202
OUTPUT
1
SENSE
2
SHUTDOWN
3
.01uF
LP2951
U3211
5V_TAP
6
ERROR
5
FEEDBACK 7
4
GND
INPUT
8
2.2uF
C3255
.01uF
C3205
C3252
0
1000pF
R3242
R3241
100
C3241
DATA
R3261
NU
56pF
47K
2.2uF
C3233
MODIN_VHF_FN_1
BWSELECT_VHF_FN_1
.01uF
C3203
R3263
100
IN_5V_RF_REG
.01uF
C3234
VCTRL_VHF_FN_1
C3244
220pF
2.2uF
C3215
2.2uF
C3213
100pF
47
C3227
1
K1
2
K2
3
K3
R3203
D3201
A1
6
A2
5
A3
4
VCTRL
TRB
VCNTL
CSX
MODIN
TTS05V
2
GND
3
OUT
4
VCC
1
R3222
16.8MHz
Y3263
680
1uF
C3224
0.1uF
C3263
VMULT3
12 VMULT4
11
13
VRO
WARP
25
XTAL1
23
24
XTAL2
SFIN
30
SFOUT
TEST1
37
TEST2
38
VBPASS
21
VCP
47
15
VMULT1
VMULT2
14
5
PD_VDD
32
PREIN
PRE_GND
33
PRE_VDD
34
PVREF
35
REFSEL
18
SFBASE
27
SFCAP
26
IOUT
LOCK
MODIN
10
MODOUT
41
NC1
17
NC2
29
NC3 31
PD_GND
44
42
CEX
9
CLK
8
DATA
7
6
DGND
DVDD
36
FREFOUT
19
IADAPT
INDMULT
16
AUX1
48
AUX2
1
AUX3
2
AUX4
3
AVDD
20
BIAS1 40
BIAS2 39
CCOMP
U3201
63A27
ADAPTSW
AGND
22
C3223
C3221
NU
1uF
C3206
0.1uF
10uF
R3206
5V_VHF_FN_2
NU
33K
TRB_VHF_FN_1
NU
220pF
C3262
VSF
VCOBIAS_1
47
R3201
C3210
C3251
2.2uF
0.1uF
TP3202
220pF
C3243
R3223
NU
100
D3261
LOCK
5V
NU
62pF
C3261
VCOBIAS_2_VHF_FN_1
C3246
0.1uF
C3209
220pF
NU
XTAL
Y3261
16.8MHz
C3253
VCOBIAS_2
4.7uF
C3226
8.2pF
TP3201
.01uF
C3235
C3207
CLK
NU
22pF
R3204
47
5V_VHF_FN_1
LOCK_VHF_FN_1
PRESC_VHF_FN_1
16_8MHz_VHF_FN_1
CSX_VHF_FN_1
VCOMOD_VHF_FN_1
VSF_VHF_FN_1
NU
6.2K
R3262
R3227
C3254
NU
100K
0.1uF
0.1uF
C3208
DATA_VHF_FN_1
VDDA
VDDA_VHF_FN_1
C3214
PRESC
2.2uF
220pF
C3242
R3252
VCOBIAS_1_VHF_FN_1
330K
C3222
0.1uF
R3211
0
0.1uF
C3211
L3231
VCOMOD
2.2uH
IN_5V_RF_REG_VHF_FN_1
.01uF
C3232
NU
47K
R3226
CLK_VHF_FN_1
390
R3221
C3228
0.1uF
NU
47K
R3228
2.2uH
NU
L3232
C3231
C3225
.01uF
BWSELECT
0.1uF
47K
R3224
R3225
D3221
47K
.047uF
C3229
Q3221
R3251
5V
5V
180K
NC
NC
NC
NC
NC
VDDA
VDDA
NC
NC
NC
NC
NC
NC
NC
NC
28
45
43
4
46
5VDC
-2 to +7dBm
13.30VDC
6.83VDC
4.52VDC (R)
+1dBm
0VDC (R)
4.95VDC (R)
2.90VDC
3.42VDC
2.5VDC
1.1-4.1VDC
0VDC (T)
2.62VDC (T)
4.91VDC (T)
11.28VDC
4.97VDC
2.5-11VDC
5VDC (LOCKED)
0VDC (UNLOCKED)
3.63VDC
0VDC
5VDC
VHF (136-174 MHz) FRACN
ZWG0130393-P4
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 ...