Motorola PRO3150 Manual De Servicio página 135

5V_1_FN
5V (SOURCE)
13.2V
C3705
0.1uF
C3714
4.7uF
C3706
4.7uF
VCTRL_1_FN
VCTRL
5V
Q3721
R: 5V
UMC5N
C3721
R5_1_FN R5_2_FN
T: 0V
4 3
0.1uF
R5
10K
47K
2
4.7K
R: 0V
T5_1_FN 47K
1
T: 5V
T5
TP3701
1
3.5 - 9.5V
@135-174MHz
VCO_MOD_1_FN
VCO_MOD
SH3702
SH3701
SHIELD SHIELD
1 1
C3701
.01uF
3 4
K3 A3
2 5
K2 A2
C3702
1 6
K1 A1
.01uF
D3701
C3703
.01uF
C3704
.01uF
3 4
K3 A3
2 5
K2 A2
1 6
K1 A1
R3702
D3702
NU
C3716
100pF
C3715
C3707
100pF
22pF
R3703 R3704
150 150
R3721
470
R3722 C3722
1K 0.1uF
R3723
100
C3724
1uF
RF mV RMS measured with high impedance probe.
U3711
5V
ADP3300
2
NR
4 5
OUT IN
6 3
ERR SD
C3711
10uF
1
L3701
390nH
R3701
100
C3710
2.2uF
BIAS_ADJ
BIAS_ADJ_1_FN
R3705
33K
C3725
C3708
R3726
NU
0.1uF
NU
C3709
0.1uF
C3746
220pF
3Vpp
WARP NC3
@1.05MHz
25
INDMULT NC2
16
SFOUT NC1
28
LOCK_1_FN
ADAPTSW
46
LOCK
LOCK CCOMP
4
IADAPT
REFSEL
45
IOUT
43
PREIN
TEST2 SFBASE
38
TEST1 SFCAP
37
U3701
TRB_1_FN AUX4 BIAS2
3
63A27
TRB AUX3 BIAS1
2
AUX2
1
AUX1
VBPASS
48
PVREF
VMULT4
11
SFIN
VMULT3
12
VMULT2 DATA
14
VMULT1 MODIN
15
R3741
16_8MHz_1_FN 100 MODOUT CEX
41
16.8MHz
FREFOUT CLK
19
XTAL2
24
XTAL1
23
120mV RMS
C3741
NU
Y3761
400mV RMS 16.8MHz 45J49
1 2
IN OUT
C3761
C3735
56pF
D3761
NU
C3762
R3762
330pF
NU
R3763
NU
4
GND
Figura 4-51b. Diagrama esquemático del sintetizador de VHF (136-174 MHz) (tarjeta de circuito impreso nº 8480675Z01)
7.5V
SWB_PLUS_1_FN
SWB+
C3712
C3713
0.1uF
2.2uF
2.5V - 3.5V
1
TP3702
31
29
17
C3726
R3727
8.2pF
100K
42
18
PRESC
32
C3755
PRESC_1_FN
27 2.2uF C3727
100pF
26
R3752
330K
39
40
R3751
200K
C3752
C3754
21
C3753 1000pF
0.1uF
35
4.7uF
DATA_1_FN
DATA
30
MODIN_1_FN
7
MODIN
10
CSX_1_FN
CSX
9
CLK
8
CLK_1_FN
C3742 C3745
220pF 220pF
C3744 C3743
220pF
220pF
R3761 L3731
47K
2.2uH
C3763 C3731 C3732 C3733 C3734
R3760
.01uF
1.6pF .01uF 2.2uF .01uF
NU
Y3762
OSC_16.8MHZ
16.8MHz
NU
VDD 1
5V
C3751
NU ZMY0130322-D
4-83
VSF_1_FN
VSF
4.55V
Vdda_1_FN
Vdda
3.3V