Motorola PRO3150 Manual De Servicio página 83

U210
U211
TC7SET04FU TC7SET04FU
C296
1 4 0.1uF 1
NC NC
3 5 3
GND VCC GND
C256
100pF
2
C258
.01uF
C259
C299
.01uF
100pF
CR201
3
K3 A3
2
K2 A2
1
K1 A1
C230 C229 C228
100pF 1000pF 4.7uF
CLK
CSX
C210
MODIN
C212
100pF
DATA
100pF C214
100pF
C211
100pF
C264
L261
100pF
39nH
PRESC
C263
0.75pF
VSF
C201
100pF
SH201
SHIELD
1
SYNTHESIZER TOP SHIELD
C265 C257
NU 100pF
4
5
VCC
5V
2
5V
(SOURCE)
C291
4
10uF
L202
5
2.2uH
6
C292
C223
0.1uF
0.1uF
C219
0.22uF
C298
0.1uF
C224
0.1uF
5V
23
XTAL1
24
XTAL2
8 19
CLK FREFOUT
9 41
CEX MODOUT
10 15
MODIN VMULT1
7 14
DATA VMULT2
30 12
SFIN VMULT3
11
VMULT4
R201 35
PVREF
82K
21 48
VBPASS AUX1
1
AUX2
R202
40 U201 2
BIAS1 AUX3 AUX3
100K
39 3
BIAS2 63A27 AUX4
26 37
SFCAP TEST1
27 38
SFBASE TEST2
32
PREIN
43
IOUT
18 45
REFSEL IADAPT
42 4
CCOMP LOCK
C204 46
ADAPTSW
2.2uF
17 28
NC1 SFOUT
TP201
29 16
NC2 INDMULT
1
31 25
NC3 WARP
4.568V
2.51V
C202 C203
1000pF 4.7uF
C207
56pF
SH202
SHIELD
R281
C206
NU
330pF
1
SYNTHESIZER BOTTOM SHIELD
Figura 4-24b. Diagrama esquemático del sintetizador de rango 1 de UHF (403-470 MHz) (tarjeta de circuito impreso nº 8480672Z01)
7.697V
U247
ADP3300
1
ERR SD SWB+
6 3
OUT IN
4 5
NR
2
C294 C293
U248
100pF 0.47uF
LP2980
L203 3 1
2.2uH
C235 2
GND
2.2uF
Vdda
4 5
L201
2.2uH
C217 C218 C220 C279
2.2uF 0.1uF 100pF 2.2uF
C233
R255
0.1uF
16.8MHz
4.3K
Q210
R256
R231
30
120
1
2
C260
100pF
AUX4 R5
3 4
C231 R232
0.1uF 620
5V
LOCK
L232
12uH
C213
100pF
R204
47K
C238
470pF
FL201
45J49
3
1 GND 2
IN OUT
C208
CR203 1.6pF
4V_3.3V
C277 C278
100pF 2.2uF
3.294V
MODOUT
TP202
1
3.503V
C234
0.47uF
C232
.047uF
R233
560
VCTRL
ZMY0130316-C
4-31