Motorola 6864115B62-C Detailed Service Manual page 386

4-14
IN_5V_RF_REG_FRACN_1
IN_5V_RF_REG
C1250
2.2uF
9V3_FRACN_1
9V3
PRE_IN
LB1 (29.7-36.0 MHz) FRACN
C1252
.018uF
U1250
LP2951
8 1
INPUT OUTPUT
7 FEEDBACK 5
C1251 ERROR
3 2 C1254
C1253
SHUTDOWN
SENSE
6 .01uF
0.1uF 4.7uF
5V_TAP
GND
4
L1202
2.2uH
R1201
0
L1201
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
C1220
R1211
4.7uF
470K
R1207
C1232
820K
Q1201
.039uF
FN0:NP
FN0:NP
C1219
4.7uF
VSF_FRACN_1
8.7VDC
VSF
C1225 L1206
.01uF 27uH
C1227
.01uF
R1216
51
L1205
C1223
R1214
680nH
7.6VDC
-5 to 0 dBm
2.2VDC
1.6K
C1222 .01uF
27pF
Q1202 C1224
PRE_IN_FRACN_1 R1212
100pF
100
C1221 R1213
1.5VDC
1pF 680
R1215
FN0:NP
68
Y1202
16.8MHz
TTS05V
FN0:NP
2
GND
3
OUT VCNTL
R1222
VCC
100
5V_FRACN_1 5V_FRACN_2
FN0:NP
5V
C1233
.01uF
FN0:NP
Y1201
2 1
C1206 16.8MHz
62pF
XTAL
C1204 C1205
R1202
1pF
1.2K
220pF FN0:NP FN0:NP
C1203
.01uF
13.1VDC
C1211
C1210
C1209
L1207
10uF
.01uF
2.2uH
0.1uF
XTAL1 23
XTAL2 24
FN0:NP
R1217 R1204
8 FREFOUT 19
CLK
9
MODOUT 41
CEX 100
R1219
10 VMULT1 15
MODIN
7 VMULT2 14
DATA 47
30 VMULT3 12
SFIN R1220
VMULT4 11
35
PVREF 47
U1201
21
AUX1 48
VBPASS
63A27
AUX2 1
40
AUX3 2
BIAS1
39 AUX4 3
BIAS2
26 TEST1 37
SFCAP
27 TEST2 38
SFBASE
C1213
32
PREIN
0.22uF
IOUT 43
18
IADAPT 45
REFSEL
L1204
42
4
CCOMP LOCK
27uH
ADAPTSW 46
FN0:NP
R1210
17 SFOUT 28
NC1
220
29 INDMULT 16
NC2
31 WARP 25
NC3 C1228
200pF
FN0:NP
R1209
C1215
3.3K
6800pF
C1217 C1216
C1218
C1208
0.1uF .01uF 1500pF
4.7uF
LB Range1, 25-60W PCB 8486206B06 / 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
C1234
0.1uF
FN0:NP
R1203
2 - 3 VDC
150K
CR1201 C1207
1.5pF
R1218
47
CR1202
K3 A3
K2 A2
C1231
K1 A1
.01uF
16_8MHZ_FRACN_1
2.9VDC, 0.46Vpp
16_8MHZ
0
C1229
.01uF
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
TEST_POINT
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
NOISE_BLNKR
FL0830685-O