J
K
L
M
N
O
P
Q
R
S
I
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D
G
S
D
G
S
D
G
S
D
G
S
D
G
S
D
G
S
D
G
S
J701
EXT. MIC / EXT. SP
J703
USB
IC730
IC731
4
4
5
1
8
4
1
5
8
1
5
8
IC735
3
4
1
5
R800
5
6
1
10
R804
R805
R808
R810
R818
R819
R820
R823
R827
R828
R831
R832
R833
R837
C801
C802
R846
R847
C811
C812
R850
C817
C818
R855
R859
C822
C823
R860
C826
R864
R869
C833
R871
C835
C836
R873
C837
R874
C838
R875
C840
C841
R880
R881
R882
R883
C847
R884
C848
C849
R887
C853
R892
C857
+
C858
Q703
+
+
+
+
Q707
3
4
1
6
C860
C861
C864
C865
Q714
C870
Q718
Q719
3
4
4
5
1
8
1
6
C872
C873
L709
C876
C877
C878
Q720
Q721
Q722
Q723
L711
Q726
Q727
C880
1
102
103
128
Q729
C884
C886
C887
C888
C889
C891
C892
C893
C898
C899
R702
33C
R900
R902
R903
R718
CP42
CN701
R721
R916
R918
CP51
CP52
CP53
R920
CP54
R922
CN712
R923
R926
R927
R733
R928
R929
R736
R738
CP64
R930
CP65
C702
4
5
1
8
CP66
CP67
R934
CP68
R741
C706
TH703
R744
R939
R747
R748
C901
+
C903
C904
C905
R941
CN731
X701
J79-0278-19 A/3
J79-0278-19 B/3
C906
C907
38
39
64
65
X703
C908
C909
R945
R947
R948
CP80
R950
R952
C917
C918
R954
R956
R763
R958
R764
R765
R766
R767
C923
C730
C924
R962
R963
C734
R968
R969
R779
C933
C934
C937
C938
S720
PTT
R781
S721
LAMP
S722
MONI
R977
C941
C942
C751
R981
C752
R982
C753
C949
R986
R793
C757
R794
R796
R797
C951
R799
C952
C955
D702
C959
C961
C964
C772
C967
C773
C969
D716
C778
C779
C970
C783
C785
D725
IC705
D726
C792
C793
IC713
3
3
4
1
5
4
1
5
C987
IC714
C795
IC715
IC716
C797
IC718
1
1
5
5
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
GP_BU
GND
33GP
GND
AFVO
ENC1
GP_PS
AFVI
GP_ON
1
14
RXD_IGPS
NC
ENC2
TXD_IGPS
GND
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
PTT
TXD
GND
NC
NC
RXD
REM
SP
SPG
INT SP
INT MIC
NC
NC
MIC
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
IC734
R803
R806
R814
R815
R821
C800
C804
C806
C808
C809
C810
C814
C815
C816
C819
C820
C821
C825
R862
C829
C830
C831
C832
C834
R894
Q702
Q709
34
16
Q711
Q712
Q713
Q715
Q717
L714
L716
L720
R704
R705
R706
R707
R901
R717
R719
R919
CP55
CP56
CP57
CP58
R730
R731
R732
CP60
CP61
CP62
R931
C701
R932
R933
C704
R935
R936
R937
R938
R745
R746
C902
CP76
R768
C731
C732
R774
R775
R776
R777
R778
C932
C935
C936
R780
R782
R783
C944
C945
R791
C756
R795
D701
C762
D706
D707
C771
C968
C776
C777
C971
C972
C973
C781
C782
C784
D727
C790
C791
IC712
3
4
1
5
C794
C989
C796
IC717
C798
C799
IC726
2
3
1
4
IC737
R809
R811
R824
R825
C805
C807
C813
C824
C827
C839
C845
C852
5
1
R890
Q716
R921
CP59
CP63
R773
R971
R792
R798
R849
R863
C850
C851
C859
C867
C868
C869
C881
L717
L718
R703
R727
R735
R737
R739
R742
R743
C930
R970
C749
C750
D703
C766
R997
C767
C768
C769
D709
C774
C775
D717
IC719
34
15
D740
D+
NC
D–
GND
Vbus
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) (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)
Component side
Foil side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
TH-D72A/D72E
PC BOARD
PC BOARD
TH-D72A/D72E
Ref. No. Address
IC705
6P
IC712
5L
IC713 10O
IC714
7M
IC715 10P
IC716
4I
IC717
10L
IC718
7Q
IC719
8Q
IC720
6D
Ref. No. Address
IC721
7E
IC722
5F
IC724
6B
IC725 10D
IC726
8M
IC727
4D
IC728
8C
IC730
8L
IC731
7L
IC732
7B
Ref. No. Address
IC733
9C
IC734
5O
IC735
4I
IC737
8J
Q702
6N
Q703
6N
Q707
8N
Q709
9O
Q711
7O
Q712
4K
Ref. No. Address
Q713
4K
Q714
4K
Q715
7O
Q716
4J
Q717
8N
Q718
7N
Q719
5H
Q720
5H
Q721
9Q
Q722 10Q
Ref. No. Address
Q723
7G
Q724
6C
Q725
8F
Q726 10E
Q727
10F
Q728
9B
Q729
9B
D701
5M
D702
6N
D703
3Q
Ref. No. Address
D706
7N
D707
6O
D709
8R
D716
8M
D717
9R
D725
4L
D726
3L
D727
9M
D740
9Q