Motorola CP040 Detailed Service Manual page 336

3-26
PRESC
FN_PRESC
C240
1.3pF
SPI_DATA_OUT
FN_DATA
MOD_IN
FN_MOD
SYNTH_CS
FN_SYNTH_CS
SPI_CLK
FN_CLK
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
UHF2 (438-470MHz) Synthesizer Schematic Diagram PCB No. 8416205H02-C/-D
R230 R247
22K 47K
31 25
NC NC3 WARP
29 16
NC NC2 INDMULT
17 28
NC NC1 SFOUT
46
ADAPTSW
42 4
NC CCOMP LOCK
18 45
C241
NC REFSEL IADAPT
100pF 43
IOUT
32
PREIN
27 38
NC SFBASE TEST2
26 37
SFCAP TEST1
39 3
BIAS2 AUX4
40 2
BIAS1 AUX3
1
AUX2
C230
21 48
NC VBPASS AUX1
2.2uF
35
NC PVREF
63A27
11
U201
VMULT4
30 12
SFIN VMULT3
7 14
DATA VMULT2
10 15
MODIN VMULT1
9 41
CEX MODOUT
8 19
CLK FREFOUT
24
XTAL2
23
XTAL1
C207 C208 C209 C210
470pF 470pF 470pF 470pF
$V
L211
FN_3V
390nH
C212
C213 C214
2.2uF
.01uF 1000pF
5V
$V
5V
FN_5V
R212
0
C216
C215 C217
2.2uF
0.1uF 1000pF
SH200 SH201
SHIELD SHIELD
1 1
V_SF
FN_V_SF
4.5 V
C231 C232 C233
1000pF 0.1uF 4.7uF
FN_LOCK
C204
470pF
NC
NC
NC
NC
NC
$V
TRB
NC FN_TRB
TX: 3 V
NC
RX: 0 V
NC
NC
67.3 mV (RF)
R205
TP200
100
C201
1
220pF
R246
C202 112.6 mV (RF)
5V 100K
62pF
1%
R202
C293
150K
470pF
C205
C211
0.1uF
4
327 mV (RF)
3 1
OUT VCON
16.8MHz
C206 R206
NU NU
Y202
2
TCO_5872
NU
16.8MHz
2.8 V (TYP)
3 1
OUT IN
4 2 Y201
C203
14R06 D201
2.7pF
3.7%
UHF2 PCB 8416205H02-C/-D Schematic Diagrams
LOCK
LOCK: 3 V
UNLOCK: 0 V
R243
820
C243
0.1uF
R244
51
C245
VCO_MOD
1uF
FN_VCO_MOD
R220 R221
91 91
16_8_MHZ
FN_16_8
C220 C221
.01uF
22pF
NU
3
C222
2
.01uF
3 V
1
0 V
C223
3 V
.01uF
0 V
C224
.01uF
3
NC
2
1
R227 C228 C227 C226 C225
NU 0.1uF 1000pF 10uF 10uF
R245
1.5K
V_STEER
FN_V_STEER
3.5 V to 10 V
C244
.01uF
TP240
1
4
K3 A3
5
K2 A2
6
K1 A1
R223
D220
100
C218 C219
2.2uF 0.1uF
4
K3 A3 NC
5
K2 A2
6
K1 A1
D221