Kenwood TKR-D710 Service Manual page 96

A
TKR-D710
TX-RX UNIT (X57-894K-01)
1
13.54V
CN700
13.6V
SB 3
CONTROL UNIT
+B 2
(X53-4580-10)
GND 1
-CN301
13.6V
+B 3
FINAL UNIT
+B 2
(X45-4010-10)
GND 1
(A/3)-CN203
CN701
2
3
4
EXT Ref:10MHz/0dBm
CN500
EXT_IN
TMP1 36 R800
TMP2 35 R850
RAMP 34
FWD 33
TXASSIST 32
RXASSIST 31
TX_CV 30
RX_CV 29
GND 28
GND
27
TXVCOB 26
RXVCOA/B 25
TXVCOA 24
/RXPCS_TR 23 R801
5
LDT 22
/16_8PCS 21 R802
LDR 20
/TXPCS 19 R803
SPSCLK0 18 L805
SPSD0 17 L806
SBC 15
GND 16
R806
MOD 14
GND 13
RSSI 12
AGC 11
33A 10
/EWP 9 R807
HWV1 8 R808
I2CCK 7 R809
SPSCLK1 6 R810
I2CDA 5 R811
SPSD1 4 R812
/IOCS 3 R813
/EVCS 2 R814
NC
1
CN800
CN801
6
GND 11
8TC 10
RAMP 9
ASWC 8
FAN 7
FDT 6
TMP2 5 R815
TMP1 4 R851
PLIM 3
H/L 2
HWV2
1
140mVrms
CONTROL UNIT
CN802
<-- 450kHz
(X53-4580-10)
-CN39
7
96
X57-894 1/8
B
SCHEMATIC DIAGRAM
DC SW
F700
Q702
5A
2SJ506-E(S)
DC SW
Q703
RT1N141M-T111
80C
DC SW
DC/DC CONVERTER 15V
7.65V
R703
R700 R701 0
33 10
80C
VOLTAGE
REGULATOR
IC700
5.08V
NJM78M05DL1AZB
1 3
80C
IN oUT
GND
2
10MHz-->
0
0
TXASSIST
RXASSIST
TX_CV
RX_CV
D801
CN803
LDR
DC SW
TXVCOB
RXVCOA/B
TXVCOA
0 D801 /RXPCS_TR
1SS388F LDT
0 /16_8PCS
LDR
MOD
0 /TXPCS
SPSCLK0
CN806
SPSD0
SBC
0
RSSI
0
0
0
0
0
0
0
0
50C
R819
ASWC
CN805
8TC R818
1k
R820
47k
0
0
450kHz
CN804
C
VOLTAGE
REGULATOR
IC702
7.93V
NJM78M08FA-ZB
1 3
IN oUT
GND
2
Q704
150C
SSM5H01TU-F
VOLTAGE
REGULATOR
IC701
XC9101D09AKR
1 8
EXT VSS
2 7
LSEN
VoUT/FB
3 6 C715 1000p
VIN
CC/GAIN
4 5 R711 12k
CE/SS CLK
C714 180p
DC SW
7.92V
Q700
CPH3317
DC SW
Q701
SSM3K15TE(F)
Q705 5.06V
DC SW
CPH3317
VOLTAGE REGULATOR
DC SW
1
Q706
SSM3K15TE(F) 2
C723 3
0.1u
1
2
3 oN/oFF
VOLTAGE REGULATOR
TEMPERATURE SENSOR
IC800
LM73CIMKX-0
R816 4
SMBCLK
100 5
ALERT
R817 6
SMBDAT
100
R821
68k 390k
OP AMP 5.07V
IC801
5.08V
TC75S51FE(F)
1 5
IN+ VDD
2
VSS
3 4
IN- oUT
R827
10k
D
TX VCO/PLL (E23-1278-05) RX VCO/PLL (E23-1278-05)
CN807 CN808 CN809 CN811 CN812
14.51V
L701
R715 R716
0 0 10u
L702
R717
0 10u
IC704
TK11230CMCL-G
6
VCoNT VIN
3.01V
5
GND1 GND2
4
NoISEPASS
VoUT
IC703
3.27V
TK71733S
5
VIN VoUT
GND
4
NP/VREF
EEPROM
IC802
M24C02-RMN6TP
R824
100 5
SDA
R825 6
SCL
100 7
DC SW
WC
Q800
8
SSM3K15TE(F)
VCC
3.28V
3 L803
3.28V
VDD
2
GND
1
ADDR
R830 R832
330k 68k ANALOG SW
IC803 IC806
TC75W51FK(F) TC7W53FK(F)
8 1 4
VDD oUTA GND
7 2 3
oUTB IN-A VEE
6 3 2
IN-B IN+A INH
5 4 1
IN+B VSS CoMMoN
BUFFER AMP
R831
56k
E
R861
0
CN813
R860
0
80C
SBC
150C_1
150C_2
80R
RXC
50C
50R
30R
33C
10MHz-->
4
VSS
3
E2
2
E1
1
E0
33A
/EWP
SPSCLK1
SPSD1
/IOCS
/EVCS
5
A
6
CH1
7 R853
CH0
8 0
VCC
3.27V
MOD -->
AGC
ASWC
FAN
PLIM
<-- 450kHz