Motorola PRO Elite Serie Manual De Servicio página 92

6-6
5V_1_FN
(SOURCE)
5V
VCTRL_1_FN
VCTRL
Q3721
UMC5
UMC5N
R5_1_FN R5_2_FN
4
R5
T5_1_FN
T5
VCO_MOD_1_FN
VCO_MOD
ZMY0130789-O
SH3702
SH3701
SHIELD
SHIELD
1
Figura 6-6. Diagrama esquemático del sintetizador de VHF
5V_2_FN
C3701
.01uF 3
2
1
C3702
.01uF
C3703
.01uF
C3704
3
.01uF
2
1
C3705
C3706
C3714
0.1uF
4.7uF
4.7uF
R3721
470
C3722
R3722
0.1uF
1K
C3721
0.1uF
3
2
1
R3723
100
1
TP3701
C3724
1uF
1
C3715
C3711
470pF
L3701
10uF
390nH
4
K3 A3
R3701
5
K2 A2
100
6
K1 A1
D3701
C3710
2.2uF
4
K3 A3
5
K2 A2
6
K1 A1
BIAS_ADJ_1_FN
R3702 R3705
D3702
33K
NU
C3708
R3726 C3725
0.1uF
NU NU
C3707
C3709
22pF
0.1uF
R3703 R3704
150
150 C3746
220pF
LOCK_1_FN
LOCK
TRB_1_FN
TRB
R3741
16_8MHz_1_FN
100
16.8MHz
C3741
NU
C3761
39pF
C3762
330pF
R3762
NU
Tarjeta de circuito de VHF, esquemas eléctricos y lista de partes
U3711
ADP3 mgc_comps
2
SWB_PLUS_1_FN
NR
4 5
SWB+
OUT IN
6 3
ERR SD
C3712 C3713
0.1uF 2.2uF
1
TP3702
WARP
NC3
25 31
INDMULT
NC2
16 29
SFOUT NC1
28 17
ADAPTSW C3726
R3727
46
8.2pF
LOCK CCOMP
100K
4 42
IADAPT REFSEL
45 18
IOUT PRESC_1_FN
43
C3755
PREIN
32
2.2uF
TEST2 SFBASE
C3727
38 27
TEST1 SFCAP
100pF
37 26
AUX4 BIAS2
3 39
AUX3 BIAS1 R3752
2 40
330K
AUX2 R3751
1 mgc_comps
200K
AUX1 VBPASS
U3701
48 21 C3753
PVREF
4.7uF
35
VMULT4 DATA_1_FN
11
VMULT3
SFIN DATA
12 30
VMULT2
DATA MODIN_1_FN
14 7
VMULT1 MODIN
MODIN
15 10
CSX_1_FN
MODOUT CEX CSX
41 9
FREFOUT CLK
19 8
XTAL2
CLK_1_FN
24
XTAL1
23 C3742 C3745 C3743
C3744
220pF
220pF 220pF 220pF
Y3761
75Z04
R3761
16.8MHz 47K
6 3
IN OUT
R3760 C3763 C3732
C3731
.01uF
NU NU .01uF
C3735
D3761
NU
Y3762
OSC_16.8MHZ
R3763
NU
2 4
GND VCC 5V
C3751
NU
PRESC
VSF_1_FN
VSF
C3752 C3754
1000pF
0.1uF
CLK
L3731
Vdda_1_FN
2.2uH
Vdda
C3733
C3734
2.2uF .01uF