Schematic Diagram - Kenwood TM-D710A Service Manual

A
TM-D710A/D710E
1
2
3
4
GPS
J3
COM
5
6
X54-3620-00 (B/4)
J1
CN13
8 PRI 1
7 10V 2
6 3
GND
5 TXD 4
4 PKS 5
3 PKD 6
2 RXD 7
1 SQC 8
7
66
X54-362 (A/4) 1/4, X54-362 (B/4) 1/1
B

SCHEMATIC DIAGRAM

LCD (B38-0926-05)
DISPLAY UNIT
X54-3620-00 (A/4)
SDV2
5V
D8 D9
DA221 DA221
MHz
S1
W02-1978-05
5V
SW
Q2
DTA123JUA
C41 0.1u
C43 0.1u
RS-232C DRIVER
PWR
ON:4.9V
IC23
OFF:1.1V ADM101EARMZ
10 1
VCC GND
9 2
C1+ C1-
R49 8 3
100 SD V-
TXD
2
7 4
10
R48 ToUT TIN
11
100 6 5
3 RXD
RIN RoUT
1
GND
J2
9
8
5 RXD
7
2 CTS
4 GND
1 RTS
3 TXD
C49
6
10
0.1u
CT
RT
9.9V
CN4
1 PRI
2 10V
3 GND
4 TXD
5 PKS
6 PKD
7 RXD
8 SQC
SW
Q10
DATA
DTC143EKA
R:0V
T:4.9V
C
C71 C67
C73 C72 1u
1u
1u
1u
C70 C68
CONTRAST
LV8:11.8V
1u 1u
LV16:13.2V
C66 C69
LV1:11.0V
0.1u 1u
V3 D8-23
OVER VOLTAGE PREVENTION
D10 D12 D11 D13 D14 D15
DA221 DA221 DA221 DA221 DA221 DA221
MR VFO CAL
KEY F
ENC_1
EEPROM
ENC_2 EEPCS
IC2
S5M_C EEPSI
AT25256A10TU27
R40 47k 1 8
CS VCC
R41 47k 2 7
So HoLD
3 6
WP SCK
4 5
GND SI
R46 1k
GPSTX
R47 1k
GPSRX
RS-232C DRIVER
IC7
ADM202EARUZ
1
16
C1+ VCC
15
2
V+ GND
14
3
C1- T1oUT
13
4
C2+ R1IN
5
12
R39 1k
C2- R1oUT RXD(PC)
11
6 R38 1k
V- T1IN TXD(PC)
10
7 R37 1k
T2oUT T2IN PCRTS
9
8 R36 1k
R2IN R2oUT PCCTS
RX TX E
10V
5V AVR
REVERSE
CURRENT IC6
9.0V
TA4805BF
PREVENTION
D1
1 2
IN oUT
1SR154-400 GND
3
R113
1k
D
D16 D17 D20 D21
D18 D19
DA221 DA221 DA221 DA221 DA221 DA221
TON LOW PF1 PF2 POW
REV
R44 1k
CLOCK
R42 1k
DATA
C54
0.1u
OP AMP
IC22
TC75S51F-F
3 4
IN(-) oUT
2
VSS
1 5
5V
IN(+) VDD
G
IC5
TC4S81F-F
5 1
VDD INB
2
INA
4 3
oUTX VSS
IC4
TC4S81F-F
C17
1 5
INB VDD
2 0.1u
INA
3 4
VSS oUTX
IC21
TC4S81F-F
C18
1 5
INB VDD
2
0.1u
INA
3 4
VSS oUTX
E
LCD_VDD
CN1
5V
D22 D23
DA221 DA221
MR
VFO
CAL
REV
TON
F
KEY
POW
PM
TNC
PF2
PF1
LOW
PM TNC
5V
10V
TXD
IC4,5,21
BUFFER
RXD
SQCIN
PKSOUT