Schematic Diagram - Kenwood TKR-750 Service Manual

A
TKR-750
1
FINAL UNIT
(X45-3730-XX)(A/2)
2
CN1 R64
3
CN3
1
VTH
2
BAT
3
PDT
4
FAS
5
PC
6
8T
7
RSW
4
8
E
D6
SURGE
ABSORPTION
T:13.02V
R:13.65V
CN4
1
B
FAG
5
2
Q9
DTD123EK
6
DC SWITCH
X45-3730-XX
-10 K,E,C
-11 K2,C2
7
8
X45-3730-XX (1/2)
B

SCHEMATIC DIAGRAM

T:7.84V
R:0V
C1
C143
1000p 33p
0
2SC3356
THERMAL
SENSE
D1
1SS226
VOLTAGE
REGULATOR
IC3
NJM78L05UA
3 IN 1
OUT
COM
2
R18 C47 L8
146-174MHz 100 NO 22n
136-150MHz 47 36p 15n
C
T:8.04V
R:0V
C11 C96
47p
Q3 18p
Q2
2SC3357
(R24)
T:1.15V T:0.73V
R:0V R:0V
Q2,3
RF AMP
R58 100k
THERMOSTAT
IC2
TK11050M
6
1
Vcc COMPout
5
2
Vcont GND
4
3
Vref COMPin
R59 39k
D
350mW
C16
C19 L4
R15
22n
33 1000p
1000p
R32
100k
DC SWITCH
Q8
2SC4116(Y)
R27
470
E
L5
22n