Pc Board; Tx-Rx Unit (X57-784X-Xx) (A,B/3) - Kenwood TH-D72A Service Manual

A B
TH-D72A/D72E
1
TX-RX UNIT (X57-784X-XX) (A/3): CONTROL section
0-11: K, 2-71: E Component side view (J79-0278-19 A/3)
2
3
4
R920
5
C918
1 8
IC724
4 5
C909
R903
6
C908
C904
C952 R945
C937
7
R948 R954
8
C961
R963
Q729
9
R950
C959
R952
10
11
TX-RX UNIT (X57-784X-XX) (B/3): PTT section
0-11: K, 2-71: E Component side view (J79-0278-19 B/3)
12
13
56
14
C D

PC BOARD

R939 C951
75
76
IC727
100
1
X703
C905
12 1
13
48 C938
R922
IC728
C924
24 37
25 36
C923
C964
R958
R956
R962 R947
4 3
C967 C955
IC725
R923
5 1
S722 S721
MONI LAMP
E F
51
50
R855
C872
C873
7
R982
R981
IC722
26
25
8
C876
C884 C886
R846 R847
R864 R871
C865
R874
C864
C889
12 7
13 6
C877
IC721
R859
18 1
R860
C899
19 24
C878
C990
C892
C893 C891
R887
R884
R883
C903
C906
CN731
Q726
R926 R929
C949 R941
C942 R928
C941 R927
Q727
TH703
G H
GND
TXD
J702
COM
NC
R827
+
C857
C858
Q719
S
4 3
1 D
G
6 1
Q720 C853
R875
C898
L709
R869
14 C969
C887
C880
C888
R873
CP80
128
1
CP42
Q723
R881
R882
R880
C901
+
L711
R977
38
39
C907
CP51
R832
I J
J703
NC
USB
RXD
1 5
IC735
3 4
R831
R810 C812
C826 R823
R900
5 4
C818
R797
IC716
R828
8 1
C841
C840
C848 CP67 CP66 CP
R833
CP52
CP53
S720
PTT
J79-0278-19 B/3