Motorola CP140 Series Service Information page 40

4-8
SH201
SH200
SHIELD SHIELD
1
1
FN_PRESC
PRESC
C240
1.3pF
7.7%
FN_DATA
SPI_DATA_OUT
FN_MOD
MOD_IN
FN_SYNTH_CS
SYNTH_CS
FN_CLK
SPI_CL K
C207
470pF
FN_3V
3V
Reference Oscillator
Crystal TCXO
C201 220pF NU
C202 62pF NU
C203 2.7pF NU
C206 NU 0.01uF
R202 150k 47k
R206 NU 100
D201 1SV232 NU
Y201 14R06 NU
Y202 NU 45J68
UHF3 (465-495 MHz) Synthesizer Schematic Diagram
R230 R247
20K 18K
31 NC3 25
WARP
NC
29 NC2 16
INDMULT
NC
17 NC1 28
SFOUT
NC
46
ADAPTSW
42 CCOMP 4
LOCK
NC
18 REFSEL 45
NC IADAPT
43
C241
IOUT
32
PREIN
27 SFBASE 38
NC TEST2
26 SFCAP 37
100pF
TEST1
U201
39 BIAS2
3
AUX4
C230 63A 27
40 BIAS1 2
AUX3
1
2.2uF AUX2
21 VBPASS
48
AUX1
NC
35 PVREF
NC
11
VMULT4
30 SFI N
12
VMULT3
7 DATA
14
VMULT2
10 MODIN 15
VMULT1
9 CEX 41
MODOUT
8 19
CLK FREFOUT
24
XTAL2
23
XTAL1
C208 C209 C210
470pF 470pF 470pF
L211
390nH
C212 C213
C214
2.2uF
.01uF 1000pF
5V
FN_5V
R212
5V
0
C215 C216 C217
2.2uF 0.1uF 1000pF
UHF R3 Synthesizer
FN_V_SF
4.5V
V_SF
C231
C232 C233
1000pF 0.1uF
4.7uF
FN_LOCK
C204
470pF
NC
NC
NC
NC
TX: 3V
RX: 0V
NC
R246
1
TR B TP200
NC
100K
FN_TRB
NC
NC
NC
5V
R205
100
C202 C201
C211
R202
62pF 220pF
150K
0.1uF
1%
4
VCC
C206
R206
3 1
OU T VCON
NU 16.8MHz
NU
GND
Y201
2
Y202
14R06
45J68
NU
16.8MHz
3 1
OU T IN
D201
C203
GND1 GND
4 2
2.7pF
3.7%
R223
100
C219 C218
2.2uF
0.1uF
LOCK
LOCK: 3V
UNLOCK: 0V
C243
R243
820
0.1uF
R244
51
1
FN_VCO_MOD
C245
VCO_MOD
1uF
R220 R221
22
22
C220
FN_16_8
16_8_MHZ
22pF
C205
C221
NU
.01uF
3V
0V
C222
3V
.01uF
0V
C223
.01uF
C224
.01uF
C228 C227 C226 C225
R227
39K
0.1uF 1000pF
10uF
10uF
UHF3 PCB 8486634Z02-O Schematic Diagrams
FN_V_STEER
R245
3.2V to 4.5V
V_STEER
1.5K
C244
.01uF
0888600M25
TP240
3 4
K3 A3
2 5
K2 A2
1 6
K1 A1
D220
NC
3 K3 4
A3 NC
2 K2 5
A2
6
1 K1
A1
D221