Motorola 6864115B62-C Detailed Service Manual page 445

Gm series professional radio
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LB Range3, 25-60W PCB 8486908Z02 / Schematics
IN_5V_RF_REG_FRACN_1
IN_5V_RF_REG
9V3_FRACN_1
9V3
C1252
.018uF
U1250
LP2951
5V_FRACN_1
5V_FRACN_2
8
1
INPUT
OUTPUT
7
5
FEEDBACK
ERROR
3
C1254
C1250
C1251
2
C1253
SHUTDOWN
SENSE
.01uF
0.1uF
6
4.7uF
2.2uF
5V_TAP
4
L1202
2.2uH
C1203
R1201
.01uF
0
L1201
4.9VDC
27uH
C1201
C1202
0.1uF
4.7uF
CLK_FRACN_1
CLK
CSX_FRACN_1
8
CSX
CLK
9
MODIN_FRACN_1
R1221
CEX
MODIN
10
DATA_FRACN_1
0
MODIN
7
DATA
DATA
30
C1232
SFIN
.039uF
FN0:NP
C1220
35
R1211
PVREF
4.7uF
21
470K
VBPASS
40
R1207
BIAS1
39
820K
BIAS2
26
FN0:NP
SFCAP
27
Q1201
SFBASE
32
PREIN
18
C1219
REFSEL
42
4.7uF
CCOMP
17
NC1
29
NC2
31
NC3
VSF_FRACN_1
8.7VDC
VSF
C1218
0.1uF
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
PRE_IN
100
C1221
R1213
1.5VDC
680
1pF
FN0:NP
R1215
68
Y1202
16.8MHz
TTS05V
2
FN0:NP
GND
3
1
OUT
VCNTL
Comment: The NOISE_BLNKR line is required because it
R1222
VCC
100
4
FN0:NP
5V
NOISE_BLNKR_FRACN_1
C1233
.01uF
C1234
FN0:NP
0.1uF
FN0:NP
Y1201
R1203
2-3 VDC
2
1
150K
C1206
16.8MHz
62pF
XTAL
C1207
CR1201
1.5pF
C1204
C1205
R1202
1pF
1.2K
220pF
FN0:NP
FN0:NP
R1218
47
CR1202
K3
A3
K2
A2
13.1VDC
C1231
K1
A1
.01uF
C1211
C1210
C1209
L1207
10uF
.01uF
0.1uF
2.2uH
XTAL1 23
24
FN0:NP
XTAL2
R1217
R1204
19
2.9VDC, 0.46Vpp
FREFOUT
41
0
MODOUT
100
C1229
R1219
VMULT1 15
14
VMULT2
47
.01uF
12
C1230
VMULT3
R1220
11
U1201
VMULT4
47
63A27
.01uF
48
AUX1
1
AUX2
2
0VDC (R), 4.7VDC (T)
AUX3
3
AUX4
R1206
2.5 - 11 VDC
37
TEST1
470
38
TEST2
C1214
C1213
R1205
.033uF
43
0.22uF
680
IOUT
45
IADAPT
L1204
4
LOCK
27uH
46
FN0:NP
ADAPTSW
SFOUT 28
R1210
R1208
16
220
51
INDMULT
25
WARP
C1228
TP1201
200pF
2.5 - 11 VDC
FN0:NP
R1209
C1226
C1212
1uF
3.3K
1uF
C1215
FN0:NP
6800pF
C1216
C1217
.01uF
C1208
4.7uF
1500pF
FN0:NP
4.9VDC (LOCKED)
0VDC (UNLOCKED)
SH1201
SH1202
SHIELD
SHIELD
FN0:NP
MEDIA & COMMUNICATIONS DEPT.
WARIS Mobile Low Band
DWG. NO.
Range 3 (42-50 MHz)
FL0830693
Synthesizer FRACN
ILLUSTRATOR
DATE
ENGINEER
DATE
PROGRAM
DISK
JP
3/28/01
Illustrator
O.K. AS IS
EDITOR
DATE
CHECKER
DATE
CORRECTED
AS
O.K. AS MARKED
LR
MARKED
ISS.
REVISION
RLSE.
LETTERING SIZE:
REQUIRES:
O
is routed through the FracN from the Controller.
NOISE_BLNKR_FRACN_2
NOISE_BLNKR
16_8MHZ_FRACN_1
16_8MHZ
BWSELECT_FRACN_1
BWSELECT
TRB_FRACN_1
TRB
VCTRL_FRACN_1
VCTRL
LOCK_FRACN_1
LOCK
FN0:NP
FL0830693O
LB3 (42.0-50.0 MHz) Synthesizer FRACN
4-73
CHECK
ONE
(
)
(
)
RLSE.

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