56
J
I
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D
G
S
D
G
S
S
J703
USB
IC735
3
4
1
5
R810
R823
R827
R828
R831
R832
R833
R846
R847
C812
C818
R855
R859
R860
C826
R864
R869
R871
R873
R874
R875
C840
C841
R880
R881
R882
R883
R884
C848
R887
C853
C857
+
C858
C864
C865
Q719
3
4
4
5
1
8
1
6
C872
C873
L709
C876
C877
C878
Q720
Q723
L711
Q726
Q727
C880
1
128
Q729
C884
C886
C887
C888
C889
C891
C892
C893
C898
C899
R900
R903
CP42
CP51
CP52
CP53
R920
R922
R923
R926
R927
R928
R929
CP
CP66
CP67
TH703
R939
C901
+
C903
C904
C905
R941
CN731
J79-0278-19 B/3
C906
C907
38
39
X703
C908
C909
R945
R947
R948
CP80
R950
R952
C918
R954
R956
R958
C923
C924
R962
R963
C937
C938
S720
PTT
S721
LAMP
S722
MONI
R977
C941
C942
R981
R982
C949
R797
C951
C952
C955
C959
C961
C964
C967
C969
IC716
C990
IC721
1
6
7
12
13
18
19
24
IC722
IC724
4
5
1
8
IC725
3
4
1
5
IC727
100
1
25
26
50
51
75
76
IC728
1
12
13
24
25
36
37
48
DC_DET
VTX
MOD
REF_A
LDB
DET_B
SQB
SMB
BPFA
GND
C_S
TXD_S
RXD_S
DET_A
LDA
SMA
SQA
GND
+B
TC&REF_B
NC
RST_S
APC&BPFB
+B
+B
NC
1
26
TXD
GND
NC
NC
RXD
J702
COM
R826
R834
R838
R845
R852
7
8
1
14
R853
R854
R856
R857
R861
R865
R866
R728
R729
R870
R872
R876
R877
R878
R879
C843
C844
R885
R886
R888
R889
C854
R891
C855
C856
R893
R897
R898
C862
C863
C866
L704
C874
C875
Q724
Q725
C882
C883
C890
C895
C897
R904
R905
R906
R907
R908
R909
CP40
CP43
R910
CP44
CP45
CP48
R917
CP50
CP69
C900
CP70
CP71
CP72
CP73
CP74
CP75
X702
R943
R944
R949
C912
C913
C914
C915
C916
R953
C919
C920
C921
C922
C926
C927
C946
C947
C953
C957
C958
IC720
4
45
18
5
18
IC732
IC733
4
5
1
8
L710
Q728
C894
R912
CP46
CP47
R914
R915
CP49
R723
R924
R925
R940
R942
R946
C910
C911
R951
R957
R959
R960
C925
R961
C928
R964
R965
C929
C939
C940
C948
C950
C954
C956
C960
C963
C965
C966
R901
IC737
R809
R811
R824
R825
C813
C824
C827
C839
C845
C852
5
R890
Q716
R921
R773
R971
R798
D+
NC
GND
TX-RX UNIT (X57-784X-XX) (A/3): CONTROL section
0-11: K, 2-71: E Component side view (J79-0278-19 A/3)
TX-RX UNIT (X57-784X-XX) (B/3): PTT section
0-11: K, 2-71: E Component side view (J79-0278-19 B/3)
TH-D72A/D72E
PC BOARD