Motorola GP Series Service Manual page 52

4-8
UHF2 (450-527 MHz) Synthesizer
U210
U211
TC7ST04FU
C296 C265
TC7ST04FU
0.1uF NU
1 4 1 4
NC NC
3 5 3 5
GND VCC GND VCC
2 2
C258
.01uF
C259
.01uF
CR201
3 4
K3 A3
2 5
K2 A2
1 6
K1 A1
C229
C230
C228
100pF 1000pF C292
4.7uF
0.1uF
C283 C282
NU NU
C298
0.1uF
CLK
CSX
MODIN
DATA
C211
C210 C212 C214
100pF R201
100pF 100pF 100pF
82K
R202
100K
C264
L261
100pF
39nH
PRESC
C263 C204
0.75pF 2.2uF
VSF
C201 C202
100pF 1000pF
C257
100pF
U247
ADP3300
ERR SD
5V 6 3
OUT
IN
(SOURCE) 4 5
NR
2
C291
0.47uF
L202
2.2uH
L203
2.2uH
C223 C235
C219
0.1uF 2.2uF
0.22uF
L201
2.2uH
C224 C217 C218
2.2uF 0.1uF
0.1uF
23
XTAL1
24
XTAL2
8 19
CLK FREFOUT 16.8MHz
9 41
CEX MODOUT
10 15
MODIN VMULT1
Q210
7 14
DATA VMULT2
30 12
SFIN VMULT3
11 1
VMULT4
47K
35
PVREF
21 48
VBPASS AUX1
1 2
47K
AUX2
C260
40 2
AUX3 100pF
BIAS1 U201 AUX3
10K
39 3
BIAS2 63A27 AUX4
AUX4
3
26 37
SFCAP TEST1
27 38
SFBASE TEST2
32
PREIN
5V
43
IOUT
18 45
REFSEL IADAPT
42 4
CCOMP LOCK LOCK
46
ADAPTSW
17 28
NC1 SFOUT
29 16 C213
TP201
NC2 INDMULT
31 25
1 100pF
NC3 WARP
FL201
75Z04
C203
4.7uF
6
IN
C207
C215
39pF
GND GND1
NU
1
(0.01uF)
R281
C206
NU 330pF
R205
NU
(100 ohm)
OUT
3
OSC_16.8MHZ
5V
C216
NU
(0.1uF)
UHF2 PCB 8485641Z02 Schematics
SWB+
C294 C293
100pF 0.47uF
4V_3.3V
U248
3 1
LP2980
C277
C278
100pF 2.2uF
2
GND
Vdda
C279
C220
100pF 2.2uF
MODOUT
C233
R255
0.1uF
4.3K
1
TP202
R231 C234 C232
R256
30 120 0.47uF .047uF
R5
4
C231 R232
0.1uF 620
R233
560
VCTRL
L232
12uH
R204
47K
C238
470pF
OUT 3
C208
4 CR203 NU
ZMY0130186-A
ZMY0130186-B
R206
NU
SH201
SH202
FADJ 2 SHIELD SHIELD
if
1 1
Y201
SYNTHESIZER BOTTOM SHIELD
(NU)
SYNTHESIZER TOP SHIELD