Motorola 6864115B62-C Detailed Service Manual page 312

4-26
5V_UHF_FN_1 5V_UHF_FN_2
(SOURCE) 5V
C4287
100pF
VCTRL_UHF_FN_1
2.5 to 11 VDC
VCTRL
C4221
.01uF
LOCK_UHF_FN_1
TP4201
LOCK
5 VDC (Locked)
0 VDC (Unlocked)
C4223
4.97 VDC (25KHZ Chan. Spacing)
BWSELECT_UHF_FN_1
0 VDC (12.5KHZ Chan. Spacing)
BWSELECT
3.05 VDC (RX)
VCOMOD_UHF_FN_1
2.63 VDC (TX)
VCOMOD
16_8MHz_UHF_FN_1
16_8MHz
0 VDC (RX)
TRB_UHF_FN_1
4.97 VDC (TX)
TRB
UHF (403-470 MHz) FRACN
6.68 VDC
10.87 VDC
C4203
C4201
100pF
12.7 VDC
.01uF
D4201
4
C4202 3
K3 A3
5
2
K2 A2
1 6
K1 A1
.01uF
C4204
100pF
C4206
C4205
10uF
.01uF
C4207
R4221
100pF
NU
150 R4203
47
R4222 C4222
510 0.1uF
R4223
L4221
C4224 68
12uH
1uF
NU C4225
510pF
4.97 VDC
C4217
C4216
C4213
.01uF
2.2uF
L4201
NU
390nH .01uF
5V
R4201 R4211
150
0
R4206
33K
D4221
C4210
2.2uF
NU
C4208
0.1uF
C4228
C4209 0.1uF
0.1uF
NU
R4228
R4204
10K
47
C4246 25 WARP
100pF
16 INDMULT
28 SFOUT
46 ADAPTSW
LOCK CCOMP
4
45 IADAPT REFSEL
43 IOUT
U4201
PREIN 32
38 TEST2 SFBASE
37 TEST1 SFCAP
3 AUX4
2 AUX3
1 AUX2
48 AUX1 VBPASS
63A27 PVREF
11 VMULT4
2.48 VDC
12 VMULT3
2.48 VDC
14 VMULT2
VMULT1 MODIN
15
R4241
220 41 MODOUT
19 FREFOUT
1.28 VDC
XTAL2
24
3.48 23 XTAL1
C4288
C4241
0.1uF VDC
100pF VCP
NU
NU
C4289
0.1uF
OUT
C4261 IN
6
33pF
NU
GND1
GND
1 4
C4262
330pF
R4262
TTS05V
NU
6.2K
NU
C4235
.01uF
2
GND
R4263
100
UHF 1-25W Band1 PCB 8485670Z03 / Schematics
U4211
ADP3300
IN_5V_RF_REG_UHF_FN_1
?X ERR SD
?X
?X OUT IN
?X
?X NR
C4211
0.1uF
R4224
47K
R4225
C4214
2.2uF
47K
VDDA
Q4221
C4236
.047uF
TP4202
R4227
100K
NC3
31
NC2
29
NC1
17
42
18 C4227 C4226
2.4pF
10pF
C4230
2.2uF
27
26
1.76 VDC (Tx) R4251
4.58 VDC
BIAS2
39 R4252
BIAS1
40
30K
39K C4253
C4252
4.7uF
21 1.78 VDC (Rx) 1000pF
C4255
35
100pF
SFIN
4.97 VDC
30
DATA
7 2.52 VDC
10
4.97 VDC
CEX
9 0 VDC
CLK
8
C4242
C4244 C4245
C4243
100pF
100pF 100pF 100pF
R4261
47K
L4231
2.2uH
Y4261
C4232 C4233
C4231
75Z04 C4234
2.2uF
.01uF
.01uF
16.8MHz .01uF
NU
3
C4263
0.1uF
D4261
NU
1
Y4262
16.8MHz
VCNTL
5V
4
C4251
VCC
0.1uF
OUT
3
IN_5V_RF_REG
C4215
2.2uF
VDDA_UHF_FN_1
VDDA
VCOBIAS_2_UHF_FN_1
VCOBIAS_2
PRESC_UHF_FN_1
PRESC
C4229
2pF
NU
VSF_UHF_FN_1
VSF
C4254
0.1uF
DATA_UHF_FN_1
DATA
MODIN_UHF_FN_1
MODIN
CSX_UHF_FN_1
CSX
CLK_UHF_FN_1
CLK
VDDA
ZWG0130622-O