Figure 7-24. Hud4022A/Hud4025B Receiver Back-End Schematic - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

7-26
C3000
12.p
IF
IF6000
B(,1),A(,1) B(,1),A(,1)
L3002 C3038
C3033
.01uF
1.p 180.0n
NP
3VA
R3000
51
B(,1),A(,1)
L3000 L3005
E3000
3VA 10uH 10uH
BK1005HM471
B(,1),A(,1)
C3019
0.1uF C3047
200pF
0 B(,1),A(,0)
# B(,1),A(,1)
B(,1),A(,1)
E3006
3VA
C3021
BK1005HM471 C3020 100pF
# 100pF B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1) B(,1),A(,1)
#
#
C3018 C3003
R3012
B(,1),A(,1)
0
0.1uF 2200pF
NP
*
C3006
3VA
4.7uF
B(,1),A(,1)
E3002 C3040
.01uF
C3036
.01uF
#
#
C3022 C3023
E3005
100pF 100pF
3VA
BK1005HM471
C3016
0.1uF
R3002
E3004
3VA
BK1005HM471
0 B(,1),A(,0)
C3007
0.1uF
5V
IF6017 IF6014
5V_FROM_CONTR
IF6015

Figure 7-24. HUD4022A/HUD4025B Receiver Back-End Schematic

May 25, 2005
3VA
E3001
B(,1),A(,1)
C3013
0.1uF
C3042
L3007
1000pF
100.0n
B(,1),A(,1) B(,1),A(,1) B(,1),A(,1) B(,1),A(,1)
C3037 C3046
.01uF 4.7n
R3020 C3028
B(,1),A(,1) 51. 20.p
5V
C3010
0.1uF
B(,1),A(,1)
C3011
0.1uF E3007
B(,1),A(,1)
BK1005HM471
B(,1),A(,1)
C3012
0.1uF
1 36
MXOP GNDL
2 35
MXON FREF
3 34
GNDF GNDS2
4 33
IF2N SYNCB
5 32
IF2P GNDH
6 31
VDDF FS
U3000
7 30 R3008 10K
GCP DOUTB
AD9874
8 29 B(,1),A(,1)
GCN
DOUTA
9 28
VDDA CLKOUT
10 27
GNDA VDDH
11 26 B(,1),A(,1)
VREFP VDDD
12 25
VREFN PE
C3008
0.1uF
#
# *
C3015
0.1uF
100K
NP
B(,1),A(,1)
C3002
L3004
R3005
4.7u 68.p
10K
B(,1),A(,1)
0 B(,1),A(,0)
D3001
C3039
.01uF
5V_TO_FGU
CLOCK VCO
5V_TO_IF
Schematics, Component Location Diagrams, and Parts Lists: HUD4022A/HUD4025B (VHF) Main Board
SPF_3.5V
VVCO
R3021 R3004
470. 18.K
B(,1),A(,1)
C3029
Q3000
C3026
15.p
C3027 27pF
20.p
C3025
C3034
47.p
B(,1),A(,1) B(,1),A(,1)
C3024
R3011
R3003
68.p 15.K
390.
2nd LO VCO
39.000p
C3032
R3022
0
B(,1),A(,1)
PE
B(,1),A(,1)
B(,1),A(,1)
1 1 1
PD
C3009 B(,1),A(,1)
0.1uF
FS DOUT CLKOUT
B(,1),A(,1)
E3003
E3008
3VA 3VA
5V
L3008
B(,1),A(,1)
100uH
C3043
B(,1),A(,1)
2.2uF
R3006 R3010
C3014
10K 390 0.1uF
B(,1),A(,1)
C3004
0.68uF
CLOCK LF
C3035 C3017
.01uF 0.1uF
2nd LO LF
SH3000
C3048 SHIELD
RX 2nd LO Shield
2.p DNP
B(,1),A(,1) B(,1),A(,1)
1
0 B(,1),A(,0)
L3003
C3030
4.7uH
12.p
C3044 R3009
1.p
0.1uF 1K
NP L3006
B(,1),A(,1)
120.0n
D3000
C3005
0.47uF
R3007
FREF IF6001
B(,1),A(,1)
B(,1),A(,1) R3014 0
FS_1 IF6003_1
R3016
0
DOUTA_1
IF6005_1
B(,1),A(,1) R3015 0
CLKOUT_1 IF6006_1
PC
0
R3017
PE_1 IF6007_1
R3018 0
PD_1
IF6008_1
B(,1),A(,1)
R3019 0
PC_1 IF6009_1
U3001
LP3985 3VA
3
VEN
1 5 0 B(,1),A(,0)
VIN VOUT
B(,1),A(,1) 4
BYPASS
C3001
GND
C3041
1uF
2
.01uF
R3023
0
NP
B(,1),A(,1)
Q3001
VVCO
R3001
1MEG
B(,1),A(,1)
C3045
1uF
73D02970C73-O
SHEET 13 OF 23
3VA
10K
6881096C74-B