Kenwood TKR-850 Schematics
A B C D E
TKR-850 SCHEMATIC DIAGRAM
1
FINAL UNIT
(X45-3740-10)(A/2)
T:7.57V
R:0V
R4
22
R6
47
T:7.61V
R8
10
R:0V
R49
0
T:7.91V
R:0V
6.8k
470p
470p
R1 10k
10n
C6 470p
L1
2SC5110(O)
R46
470
R2
2.2k
C119
T:0.70V
R:0V
2
CN1
(A/2)-CN19
TX-RX UNIT
(X57-6270-XX)
C1
470p
Q1
470p
L2 10n
R3 47
C10R7C18
C8
8p
C7 470p
Q2
2SC3356(R24)
R48
R47
T:0.69V
R:0V
3
CN3
FAB
FAG
1
2
3
4
5
6
7
8
E
D10
CN4
1
2
SURGE
PROTECTOR
T:13.03V
R:13.54V
470p
100u25
C3
C100
470p
1SS355
D10
C101
0.1u
C99
VOLTAGE
REGULATOR
IC2
NJM78L05UA
3
IN1OUT
COM
2
C102 470p
470p
C91
C103 10u10
C106 0.1u
470p
C92
470p
C93
C107 100p
VTH
BAT
PDT
FAS
P C
(A/2)-CN16
8 T
TX-RX UNIT
4
(X57-6270-XX)
RSW
5
470
C12
2.2k
Q1-3
RF AMP
470p
C94
1
2
3
18n
470p
L3
C13
22
470p
R9
470p
470p
470p
C97
C95
C96
R51 100k
IC1
TK11050M
Comp.outVcc
Vref
470p
C14
GNDVcont
Comp.in
C17
C15
5p
100k
R11
470p
10n
470p
L15
C20
L14
15n
Q3
47
2SK2596
R13
18k
470p
R12
C19
6
5
4
C108 0.1u
C109 100p
C21
12p
C24 47u16
C22
C23
470p
C26 470p
6p
270
R14
R56
47k
R15
18
R60
100k
TH1
L5
C31
6.8n
470p
270
8p
C32
R16
-t
C28 0.1u
C27 470p
R17
150k
R57
33p
C33
R19
470
C29
Q8
2SC4116(Y)
DC SWITCH
C34
100k
C38
C35
470p
470p
33p
C30
470p
R18
0.1u
C36
R58
100
0.1u
2.2k
C98
C104
470p
100p
18
R50
Q9
DTD123EK
6
DC SWITCH
THERMOSTAT
R52 39k
R53
150k
7
X45-3740-10 (1/2)
8
JIHGF
SCHEMATIC DIAGRAM TKR-850
1
TX
DRIVE
AMP
Q4
PD55008S
R20
0
D2
02DZ6.2(Y)
VOLTAGE
REFERENCE
R59
470
F1
C69
2.5A
L6
R26
100p
15n
C49
C41
C40
T:4.26V
R:0V
100
C120
0.022u
R55
470k
C70
0.1u
100p
470p
30p
R21
C43
18p
0
C50
C44
R24
6p
100k
6
7
8
C51
0.1u
FINAL AMP
RD60HUF1-01
R22
R23
C48
DC AMP
IC3
TA75W01FU
IN2+
IN2-
OUT-B
VCC
R62 1k
47u25
Q5
470
C121
100k
470p
C46
VEE
IN1+
IN1-
OUT1
15p
C122
470p
15p
45
3
2
1
C52
L7
15n
C55
22p
22p
C124
C123
D4,5
RF DETECTOR
R35
R63
0
R34
100p
470p
10p
C59
100k
2.2k
C53
5p
C118
C75 470p
0.1u
C61
470p
D4
R31
C54
100u25
R37
R33
HSM88AS
C71 470p
R38 47k
220k
R72
0
0
180k
R36 0
VR1 100k
R40
100
R41
D5
0
R43
R44
L8
HSM88AS
C72 470p
R45 1k
39n
100
0
C81
470p
C160
470p
C83
2
L11
L9
15n
15n
6p
C86
10p
C89
ANT
5p
L12
110n
3
CN5
E
1
B
B
C112 470p
3
C113 0.1u
(A/2)-CN15
TX-RX UNIT
(X57-6270-XX)
4
R54
(X45-3740-10)(B/2)
CN51
DSA3A1
D51,52
CN52
DSA3A1
C115 0.1u
GND
CN6
CN7
CN8
W3
+B1
GNDW4
W5 +B2
D51
PROTECT OF REVERSE
CONNECTION
D52
MAIN DC
1k
100p
C77
T:13.05V
R:13.56V
470p
C78
0.1u
1000u25
C79
C80
SURGE
PROTECTOR
ZSA5A27
D7
D7
470p
C105
K1
REVERSE
CURRENT
PROTECTION
D8
RB051L-40
D9
MINISMDC050-02
R61
5.6
CHARGE
CURRENT
PROTECTOR
C116
470p
C114 470p
BACKUP
0.1u
C117
MAIN DC
+B1
GND
BACK UP
BATTERY
+B2
GND
5
6
Note : The components marked with a dot (•) are parts of layer 1.
7
X45-3740-10 (2/2)
9
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