Kenwood TKR-750 Schematics
(A/2)-CN19
TX-RX UNIT
(X57-6260-XX)
CN3
VTH
BAT
PDT
FAS
PC
8T
(A/2)-CN16
TX-RX UNIT
(X57-6260-XX)
RSW
E
FINAL UNIT
(X45-3730-XX)(A/2)
CN1
1
2
3
4
5
6
7
8
R64
0
1000p
THERMAL
SENSE
F1
C163
R22
1M
R29
3.0A
Q5
FINAL AMP
68p
100
R24
100k
6
7
8
470
Q5
RD70HVF1-01
C32
1000p
DC AMP
IC1
TA75W01FU
IN2-
OUT-B
VCC
R31 1k
C161
C162
OUT1
VEEIN2+
IN1+
IN1-
L7
27p
27p
C46 1000p
C117
45
3
2
1
C57 47u25
C55 0.01u
82p
C164
C47
220p
*
RF DETECTOR
R34
R43
2p
D5
HSM88AS
L15
R63
1000p
R45
100
C92
470n
0
C160
1000p
1k
C68
1000p
9p
C69
47n
L9
9p
C70
22p
C71
L10
47n
22p
C72
39p
C74
L11
47n
C106
1000p
27p
C77
ANT
110n
L12
CN5
1
E
2
B
3
B
(A/2)-CN15
TX-RX UNIT
(X57-6260-XX)
10p
10k
R57
R37
R62
R36
R41
220k
0
0
0
R40
D4
0
VR1
C140
120
C142
HSM88AS
100k
C54
L8
*
1000p
22p
C49
D4,5
R38
C64
1000p
R35
39k
R69
2.2k
0
T:8.04V
0
R8
10
T:7.84V
R:0V
C7
C13
0.1u
R7
L2
1000p
8.2k
47n
R10
150
C1
C143
D1
1SS226
33p
R52
1k
C98
1000p
R48
C136
470
1000p
Q2
2SC3356
(R24)
R9 56
C10
C9
T:1.15V
R:0V
1000p
C11
47p
1000p
R6
C12
R53
Q2,3
RF AMP
22
1000p
R11
1k
L3
4.7k
R49
R13
C137
R:0V
68n
470
1000p
R50
2SC3357
R1 10
2.2k
C15
Q3
C2
T:0.73V
R:0V
C99
1000p
C96
18p
1000p
47u25
C16
1000p
C14
1000p
R14
350mW
R15
33
180
R16
C19
1000p
180
C21
22n
22p
0.47u
0.47u
1000p
L6
47n
C37
C29
C118
L4
L5
22n
TX
DRIVE
AMP
R19
100k
D2
VOLTAGE
REFERENCE
D2
C28
1000p
C27
C22
1000p
47p
R17
R18
*
150k
Q4
PD55003S
C112
R20
0
02DZ6.2(Y)
R26
C30
120p
10p
R21
0
T:5.18V
R:0V
100
C42
C44
C31
100k
0.01u
1000p
27p
R23
R28
FAG
R25
C35
1000p
47k
C39
DC SWITCH
Q8
2SC4116(Y)
1000p
C43
100k
1000p
R32
R27
470
R30
2.2k
T:13.03V
R:13.56V
C90
1000p
R55
1k
C91
1000u25
SURGE
PROTECTOR
C87
D7
1000p
ZSA5A27
(X45-3730-XX)(B/2)
MAIN DC
REVERSE
K1
CURRENT
D8
PROTECTION
RB051L-40
MINISMDC050-02
R61
5.6
CHARGE
D9
CURRENT
PROTECTOR
BACKUP
GND
CN6
CN7
CN8
W4
W5
+B1W3
GND
+B2
D51
PROTECT OF REVERSE
CONNECTION
D52
CN51
DSA3A1
D51,52
CN52
DSA3A1
MAIN DC
+B1
GND
BACK UP
BATTERY
+B2
GND
C83 1000p
IC3
COM
2
C82 1000p
R18
100
47
C84 1000p
C85 1000p
C110 10u10
C47
NO
36p
C86 1000p
C109 1000p
L8
22n
15n
R58 100k
THERMOSTAT
IC2
TK11050M
1
2
Vcont
3
Vref
R59 39k
COMPoutVcc
COMPin
GND
-t
TH1
6
5
4
R60
150k
C80 1000p
D6
SURGE
ABSORPTION
T:13.02V
1
2
R56
-10
-11
R:13.65V
1000p
1SS355
100u25
D6
C3
C107
18
Q9
DTD123EK
DC SWITCH
X45-3730-XX
K,E,C
K2,C2
1000p
C108
146-174MHz
136-150MHz
CN4
B
C81 1000p
VOLTAGE
REGULATOR
NJM78L05UA
3
IN1OUT
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