Motorola 6864115B62-C Detailed Service Manual page 412

4-40
IN_5V_RF_REG_FRACN_1
IN_5V_RF_REG
C1250
2.2uF
9V3_FRACN_1
9V3
PRE_IN
LB3 (42.0-50.0 MHz) FRACN
C1252
.018uF
U1250
LP2951
5V_FRACN_1
8 1
INPUT OUTPUT
7 5
FEEDBACK ERROR
3 2 C1254
C1251 C1253
SHUTDOWN SENSE
.01uF
0.1uF 6
4.7uF
5V_TAP
4
L1202
2.2uH
R1201
0
L1201
4.9VDC
27uH
C1201 C1202
0.1uF
4.7uF
CLK_FRACN_1
CLK
CSX_FRACN_1
CSX
MODIN_FRACN_1
R1221
MODIN
DATA_FRACN_1
0
DATA
C1232
.039uF
C1220
FN0:NP
R1211
4.7uF
470K
R1207
820K
FN0:NP
Q1201
C1219
4.7uF
VSF_FRACN_1
8.7VDC
VSF
C1225 L1206
.01uF 27uH
C1227
.01uF
R1216
51
L1205
R1214 C1223
330nH
7.6VDC -5 to 0 dBm
2.2VDC
1.6K
.01uF
C1222
36pF
C1224
PRE_IN_FRACN_1 R1212 Q1202
82pF
100
R1213
C1221
1.5VDC
680
1pF
FN0:NP R1215
68
Y1202
16.8MHz
TTS05V
2
FN0:NP
GND
3
OUT VCNTL
R1222
VCC
100
4
FN0:NP
5V_FRACN_2
5V
C1233
.01uF
FN0:NP
Y1201
2 1
C1206
16.8MHz
62pF XTAL
CR1201
C1204 C1205
R1202
1pF
1.2K
220pF
FN0:NP FN0:NP
C1203
.01uF
13.1VDC
C1211 C1210
C1209
L1207
10uF
.01uF
0.1uF 2.2uH
XTAL1 23
24
FN0:NP
XTAL2
R1204
R1217
8 FREFOUT 19
CLK
9 41
CEX MODOUT 0
100
C1229
R1219
10 VMULT1 15
MODIN
7 14
DATA VMULT2 47
.01uF
30 12
SFIN VMULT3 R1220
11
U1201
VMULT4
35
PVREF 63A27 47
21 AUX1 48
VBPASS
1
AUX2
40 2
BIAS1 AUX3
39 AUX4 3
BIAS2
26 37
SFCAP TEST1
27 TEST2 38
SFBASE
C1213
32
PREIN
43 0.22uF
IOUT
18 IADAPT 45
REFSEL
L1204
42 4
CCOMP LOCK
27uH
46
FN0:NP
ADAPTSW
R1210
17 SFOUT 28
NC1
220
29 16
NC2 INDMULT
31 25
NC3 WARP C1228
200pF
FN0:NP
R1209
3.3K
C1215
6800pF
C1216
C1218 C1217
0.1uF .01uF
C1208
4.7uF
1500pF
FN0:NP
LB Range3, 25-60W PCB 8485908Z03 / Schematics
1
Comment: The NOISE_BLNKR line is required because it
is routed through the FracN from the Controller.
NOISE_BLNKR_FRACN_1 NOISE_BLNKR_FRACN_2
NOISE_BLNKR
C1234
0.1uF
FN0:NP
R1203
2-3 VDC
150K
C1207
1.5pF
R1218
47
CR1202
K3 A3
K2 A2
C1231
K1 A1
.01uF
16_8MHZ_FRACN_1
2.9VDC, 0.46Vpp
16_8MHZ
C1230
BWSELECT_FRACN_1
.01uF
BWSELECT
TRB_FRACN_1
0VDC (R), 4.7VDC (T)
TRB
R1206
VCTRL_FRACN_1
2.5 - 11 VDC
VCTRL
470
C1214
R1205 .033uF
680
R1208
51
TP1201
2.5 - 11 VDC
C1226
C1212
1uF
1uF
FN0:NP
4.9VDC (LOCKED)
LOCK_FRACN_1
0VDC (UNLOCKED)
LOCK
SH1201 SH1202
SHIELD
SHIELD
FN0:NP FN0:NP
FL0830693-O