Motorola GP344 Detailed Service Manual page 230

3-58
5V_1_FN 5V_2_FN
(SOURCE)
5V
C3705
0.1uF
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 1
VHF (136-174MHz) Synthesizer Schematic Diagram
8486062B12
C3701
.01uF 3
K3
2
K2
1
C3702
K1
.01uF
D3701
C3703
.01uF
C3704
.01uF 3
K3
2
K2
1
K1
D3702
C3706
C3714
4.7uF 4.7uF
R3721
470
C3722
R3722
0.1uF
1K
C3721
0.1uF
3
2
1
R3723
100
1
TP3701
C3724
1uF
16.8MHz
C3715
C3711
L3701 470pF
10uF
390nH
4
A3
R3701
5
A2
100
6
A1
C3710
2.2uF
4
A3
5
A2
6
A1
BIAS_ADJ_1_FN
R3702 R3705
33K
NU
C3708
R3726 C3725
0.1uF
NU NU
C3707
C3709
22pF
0.1uF
R3704
R3703
150 150 C3746
220pF
25
16
28
LOCK_1_FN
46
LOCK
4
45
43
38
37
TRB_1_FN
3
TRB
2
1
48
11
12
14
15
R3741
16_8MHz_1_FN
100
41
19
24
23
C3741
NU
C3761
39pF
C3735
NU
C3762
330pF
R3762
NU
R3763
NU
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
31
INDMULT NC2
29
SFOUT NC1
17
ADAPTSW C3726
R3727
8.2pF
LOCK CCOMP
100K
42
IADAPT REFSEL
18
IOUT PRESC_1_FN
PREIN C3755
32
2.2uF
TEST2 SFBASE
27 C3727
TEST1
SFCAP
100pF
26
AUX4 BIAS2
39
AUX3 R3752
BIAS1
40 330K
AUX2 R3751
mgc_comps
200K
AUX1 VBPASS
U3701
21 C3753
PVREF
4.7uF
35
VMULT4 DATA_1_FN
VMULT3
SFIN DATA
30
VMULT2 DATA MODIN_1_FN
7
VMULT1 MODIN MODIN
10
CSX_1_FN
MODOUT CEX CSX
9
FREFOUT CLK
8
XTAL2
CLK_1_FN
XTAL1
C3744 C3742 C3745 C3743
220pF 220pF 220pF 220pF
Y3761
75Z04
R3761
47K
16.8MHz
6 3
IN OUT
R3760 C3763 C3732
C3731
.01uF
NU NU
.01uF
D3761
Y3762
OSC_16.8MHZ
2 4
5V
GND VCC
C3751
NU
VHF Radio Parts List (RF Board)
PRESC
VSF_1_FN
VSF
C3752 C3754
1000pF 0.1uF
CLK
L3731 Vdda_1_FN
2.2uH
Vdda
C3733
C3734
2.2uF .01uF