Nuf6472B 800 Mhz Rf Board Schematic Diagram, Sheet 3 Of 3 - Motorola ASTRO XTS 3000 Service Manual

2.1_MHz
REG_5V
BUSS_4
SBI
J1-4
L605 L600
IF_FREQ 3
1
FL1
750nH 910nh
IN OUT
Crystal F1
C600 C614 C609 C610
2.4pF 5.6pF GND CASE 3.6pF 12pF
2 4
SH1 SH2 SH3
C441
.01uF
R407
C450
10uF
47
R401
5.1
R412 C419
33 0.1uF
FL2
1 3
IN OUT
R601
Crystal F2
100
L602
GND CASE
1500nh 2 4
R602 C601 REG_5V
2K 3.9pF C604
6.2pF
C433 C427 C434
R603
0.1uF .0047uF .01uF
33K
C602
R605
L601
910nh
3.3K
0.1uF
C612
6.8pF
Q601
C422
C420
R416
R604
20K
12K C426 20pF
39pF
R413 .220uF
270
VR401
C428 C440 L402
2.2uF 180nH
OMIT
SH4 SH5 SH6 SH7
2.1MHZ
R417
10
R404 R403
10K 27K
C410
C416
3
.01uF L401 VR402
75pF
3.9uH 2 C414
C430 C418 .0068uF
10uF 3.3uF
1
C413
.01uF
C406
.01uF C405 C404 6
SBI
3.3uF 0.1uF R402 15
OTBY
270K 16
OT
19
L603
REF1
23
NLS
C613
1100nh
32
IFIN
30
IFIN2
C603 C606
0.1uF
3.3pF 5.1pF C408 34
LOX
35
LO
R414
.001uF
49
COL
51
2K
BASE
21
C425
GND
R419 R421 54
GND1
47K 2.4K 55
GND2
56
2.2pF
GND3
52
FLAG
59
FLAG1
60
FLAG2
61
FLAG3
Q1
C423 C438 C407
56pF 0.1uF .01uF
R420
47K
C424 R418
56pF 1.5K
REG_5V
C409
680pF
C403
C401 .047uF
.033uF
1
R406 C417
6.8K 3.3uF
FL401
37 C431
MOX
38 33pF
MO
98W01
2
41
T1X
42
T1
43
T2C
44
T2X R411
1
45
T2
68
U401 46
FL402
CAPX
47
C432
57W20 CAP
C421 33pF
ABACUS IC
50 .01uF 98W01
R410
EMIT
2
68
2
LGND
9
DGND
11
VSSR
18
SUB
26
IFI
48
VPP
C429
0.1uF
R405
33 C415
0.1uF
G1
G2
G3
G4

NUF6472B 800 MHz RF Board Schematic Diagram, Sheet 3 of 3

BUSS_1
DOUTx
J1-1
BUSS_2
DOUT
J1-2
BUSS_3
ODC
J1-11
3
3
63B81086C78-O
13-37