Figure 4-50: Uhf Band 2 Synthesizer Schematic Diagram (Pcb No. 8415235H07) - Motorola PR860 Detailed Service Manual

Schematic Diagrams, Overlays, and Parts Lists: UHF Band 2 Circuit Board/Schematic Diagrams and Parts List (8415235H07)
C229
C230
1000pF
100pF
CLK
C210
100pF
U211
TC7ST04FU
U210
TC7ST04FU
C296 C265 C257
NU 100pF
1 4 0.1uF 1 4
NC NC
3 5 3 5
GND VCC GND VCC
2 2
C258
.01uF
C259
.01uF
(SOURCE)
CR201
3 4
K3 A3
2 5
K2 A2
1 6
K1 A1
C228
4.7uF C292
0.1uF
C283
C282
NU NU
C298
0.1uF
8
CLK
9
CSX CEX
10
MODIN
MODIN
7
DATA DATA
30
SFIN
C212 C214 C211
100pF 100pF R201
100pF 35
82K PVREF
21
VBPASS
R202 40
BIAS1
100K
39
BIAS2
26
SFCAP
L261 C264
27
39nH 100pF SFBASE
32
PRESC PREIN
18
REFSEL
42
CCOMP
C263 C204
0.75pF 2.2uF
17
NC1
29
NC2
31
NC3
VSF
C202
C201
C203
100pF 1000pF
4.7uF
U247
ADP3300
ERR SD
3
6
5V OUT IN
4 5
NR
C291
2
0.47uF C294
L202 100pF
2.2uH
L203
2.2uH
C235
C219 C223
2.2uF
0.22uF 0.1uF
L201
2.2uH
C218 C220
C224 C217
0.1uF 100pF
0.1uF 2.2uF
23
XTAL1
24
XTAL2
19
FREFOUT
16.8MHz
41
MODOUT
15
VMULT1
Q210
14
VMULT2
12
VMULT3
11
1
VMULT4
48
AUX1
1 2
AUX2 BW_SEL C260
2
AUX3 100pF
U201 AUX3
3
AUX4
63A27 AUX4
3 4
37
TEST1
38
TEST2
5V
43
IOUT
45
IADAPT
4
LOCK LOCK
46
ADAPTSW
28
SFOUT
16 C213
TP201
INDMULT
100pF
25
1
WARP
FL201
75Z04
6 3
IN OUT
C207
39pF
GND
1
R281 C206
330pF
NU
SWB+
C293
4V_3.3V
0.47uF
U248
3 1
LP2980
C277 C278
100pF 2.2uF
2
GND
Vdda
C279
2.2uF
MODOUT
C233
R255
0.1uF
4.3K
1
TP202
C234 C232
R256 R231
30 120 0.47uF .047uF
R5
R232
C231
620
0.1uF
R233
560
VCTRL
L232
12uH
R204
47K
C238
470pF
C208
CR203 NU
SH201 SH202
SHIELD SHIELD
1 1
if
SYNTHESIZER BOTTOM SHIELD
SYNTHESIZER TOP SHIELD

Figure 4-50: UHF Band 2 Synthesizer Schematic Diagram (PCB No. 8415235H07)

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