58
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
IC736
2
3
1
4
R801
R807
R816
R817
R829
R839
R843
R848
R851
F702
L701
L706
L708
Q730
3
4
1
6
R713
R714
R715
R716
CN718
CN719
R740
C708
C710
CP77
C717
C718
C719
C720
C722
C728
C729
R771
C735
PTT
R966
R
C742
33C
R975
C746
+
+
+
R979
R980
C754
R790
C755
REM
SP
SPG
INT SP
INT MIC
NC
NC
MIC
R988
R991
R992
C763
C764
D704
C765
R998
D710
D711
D712
D713
IC701
3
4
1
5
C975
C976
IC703
4
5
1
8
C786
C787
C788
C789
D739
V1
V5
/WR
/RES
D[1]
VSS
A[0]
D[6]
VDD
D[7]
V2
/CS
1
20
D[4]
D[3]
V4
D[5]
VDD
D[2]
D[0]
V3
Q701
L702
L703
R708
CP31
CP32
CP38
CN703
CN716
33C
R734
C703
C705
TH701
C707
C709
C721
C723
C724
C725
C726
C727
C741
R974
CN769
LCD CONTRAST
R983
R984
R993
C962
Q708
3
4
1
6
3
4
1
6
Q710
R720
R726
R755
R756
R757
R758
R759
R760
R761
R762
R769
R770
C744
C745
C747
C748
R785
R989
R990
D741
R784
R844
CN707
RXD_USB
CN708
TXD_USB
CN709
CTS_USB
CN710
RTS_USB
CN713
CLKC
CN714
32K
CN715
CN724 CN725
MAIN_WR
R753
R754
CN741
THG_TH
C
C
C
33
S
C
RT
CN763
/SUSPEND
CN770
PSW
CN771
D736
F701
C846
R895
R896
L705
R711
R712
R722
CN721
BV
C715
C743
D705
R999
C986
PTT
1
6
KEY_O4
KEY_I1
KEY_I0
GND
CHG_TH
PTT
1
6
KEY_O4
KEY_I1
KEY_I0
GND
CHG_TH
KEY_O3
1
15
SPG
KEY_I2
KEY_I4
KEY_O4
SPI
KEY_O2
LAMP B
KEY_O0
PSW
KEY_I3
MICG
KEY_O1
GND
MICI
TX-RX UNIT (X57-784X-XX) (A/3): CONTROL section
0-11: K, 2-71: E Foil side view (J79-0278-19 A/3)
TX-RX UNIT (X57-784X-XX) (B/3): PTT section
0-11: K, 2-71: E Foil side view (J79-0278-19 B/3)
TH-D72A/D72E
PC BOARD
J79-0278-19 B/3