Motorola CP160 Detailed Service Manual page 98

4-8
SH200
SH201
SHIELD SHIELD
1
1
C241
FN_PRESC 1200pF
PRESC
R248
51
C230
2.2uF
FN_DAT A
SPI_DATA_OUT
FN_MOD
MOD_IN
FN_SYNTH_CS
SYNTH_CS
FN_CLK
SPI_CLK
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
FN_5V
5V
VHF (146-174 MHz) Synthesizer Schematic Diagram
R247
R230
270K
200K
31 WARP 25
NC3
NC
29 INDMULT 16
NC
NC2
NC
17 SFOUT 28
NC1
NC
ADAPTSW 46
NC
42 4
CCOMP LOCK
NC
18
43
REFSEL
NC
IOUT
IADAPT 45
32
PREI N
27 TEST2 38
NC
SFBASE
NC
26 TEST1 37
SFCAP NC
U201
39 AUX4 3
BIAS2 63A 27 NC
40 AUX3 2
BIAS1
AUX2 1
NC
21 AUX1 48
VBPASS NC
NC
35
VMULT4 11
PVREF
NC NC
VMULT3 12
NC
30
14
SFIN
VMULT1
7
DATA 15
VMULT2
10
MODIN
MODOUT 41
9
CEX
8 FREFOUT 19
CLK
XTAL2 24
XTAL1 23
C202
62pF
1%
C210
C208 C209
470pF
470pF 470pF
C206
L211
NU
560nH
Y201
C212 C214
C213
14R06
2.2uF .01uF 1000pF
16.8MHz
3
OU T
GND1
4
5V
R212
0
C215 C217
C216
2.2uF 0.1uF 1000pF
VHF R2 Synthesizer
FN_V_SF
4.5V
V_SF
C231 C232 C233
0.1uF
1000pF 4.7uF
FN_LOCK
LOCK
C204 LOCK: 3V
UNLOCK: 0V
470pF
FN_TRB
R246
1
TP200
TRB
100K
TX: 3V
RX: 0V
FN_VCO_MOD
R205
100
C201
FN_16_8
220pF
5V
R202
C205
150K
C211
NU
Y202
0.1uF
45J68
NU
4
VCC
R206
3 1
OUT VCON
16.8MHz
NU
GND
2
1
IN
D201
C203
GND
2
2.7pF
1SV232
3.7%
R245
1.5K
C243
R243
2K
0.1uF
R244
51
1
C245
VCO_MOD
1uF
R221
R220
150
150
C220
16_8_MHZ
22pF
C221
.01uF
3 K3 A3 4
2 K2
C222
A2
3V
1 K1 A1 6
0V
.01uF
D220
3V
C223
0V
.01uF
C224
NC
.01uF
3 A3 4
K3
2 A2 5
K2
1 A1 6
K1
D221
C226
C228 C227 C225
R227
150K
0.1uF 1000pF
10uF 10uF
VHF PCB 8486342Z13-C Schematic Diagrams
FN_V_STEER
V_STEER
3.0V to 8.0V
C244
1200pF
TP240
5
R223
100
C218 C219
2.2uF
0.1uF
NC