Kenwood TH-D72A Service Manual page 71

Z
TX-RX UNIT (X57-784X-XX) (A/3) : CONTROL SECTION
1200 TData
33M
CN722
CHG_TH
/SUSPEND
C P 6 4
RST_USB
KEY_I1
KEY_I0
CN721
KEY_O4
C P 6 5
BV
SET
PTT
PTT
AFB_S
C P 66
SQ
Vbus_DET
TNC_WR
GPSLED
C P 6 7
CON
TNC_RST
KEY_O4
STA
S9600
REM
VOX_IN
KEY_O3
SQA
SMA
SMB
SQB
KEY_O2
WXCTIN_B
WXCTIN_A
KEY_O1
KEY_O0
9600 TData
RST_S
AA
SCHEMATIC DIAGRAM
103
RTS_USB
104
/SUSPEND
105
RST_USB
106
MAIN_WR
107
CHG_TH
108
BV
109
SET
110
PTT
111
AFB_S
112
SQ
113
Vbus_DET
114
TNC_WR
115
GPSLED
116
CON
117
TNC_RST
118
STA
119
S9600
120
REM
121
VOX_IN
122
SQA
123
SMA
124
SMB
125
SQB
126
WXCTIN_B
127 AVSS
128 WXCTIN_A
Q 7 2 3
RT1N441U-T111
C 8 9 4
1 0 0 0 p
BSFT2
AB
TH-D72A/D72E
I C 7 3 7
5 F3 6 5 1 T D F C
M C U
3.3V
X 7 0 2
R 8 8 9
0 11.0592MHz
SWITCH
AC AD
C P 5 4
GP_ON
C_S
GP_ON 6 4
LAMP
C_S 6 3
LAMP 6 2
KEY_O2
KEY_O2 6 1
KEY_O3
KEY_O3 6 0
KEY_O4
KEY_O4
5 9
32K_SW
32K_SW
5 8
KEY_I0
KEY_I0 5 7
KEY_I1
KEY_I1 5 6
KEY_I2
5 5
KEY_I2
KEY_I3
C P 5 3
KEY_I3 5 4
INTRTC
INTRTC 5 3
RTC_SCL
RTC_SDA
5 2
RTC_SCL
RTC_SDA
5 1
R 9 0 1
MICB_S
MICB_S
5 0
1k
KEY_I4
KEY_I4
4 9
KEY_IT
4 8
KEY_IT
KEY_O0
KEY_O0 4 7
KEY_O1
KEY_O1 4 6
C P 5 2
LDB
LDB 4 5
RST_S
RST_S
4 4
RXD_S
RXD_S 4 3
TXD_S
TXD_S
4 2
C P 5 1
33TNC_S
SAVE2 SAVE2
4 1
33TNC_S 4 0 33TNC_S
VSS
3 9
C P 7 5
RST_S
X57-784 (A/3) 6/8
1200 TData
33TNC
TNC_RST
9600 TData
BSFT2
71