Kenwood TKR-750 Service Manual page 80

F
FINAL UNIT (X45-3730-XX) (A/2)
F1
3.0A
C30
120p
TX
DRIVE
AMP
R19 R20 R21
R23
100k
100k 0 0
D2
T:5.18V
VOLTAGE
R:0V
REFERENCE
R55
1k
X45-3730-XX
-10 K,E 146-173MHz
-11 K2 136-150MHz
G
SCHEMATIC DIAGRAM
C54
L8
*
1000p
Q5
FINAL AMP
D4,5
RF DETECTOR
DC AMP
IC1
TA75W01FU
5 4
IN2+
VEE
6 3
R35
IN2-
IN1+
100k
7 2
OUT-B
IN1-
8 1
VCC
OUT1
R31 10k
D8
REVERSE
CURRENT
PROTECTION
T:13.03V
K1
R:13.56V
D9
MINISMDC050-02
CURRENT
PROTECTOR
CHARGE
SURGE
PROTECTOR
C47 L8 C173
NO 22n 18p
36p 15n 27p
Note : The components marked with a dot (
H
C160
1000p
L16
15n
C92
1000p
L17
18n
RF SWITCH
D53
MA4PH633
R41
0
ANT SW
(X45-3730-XX) (B/2)
MAIN DC CN6
+B1
W3
GND
W4
BACKUP CN7
+B2
W5
GND CN8
I J
TKR-750
L9 L10 L11
TX ANT
47n
47n 47n
C60
R73
RX
0 1000p
D55,56
RF SWITCH
CN5
1
E
2
B
3
B
CN51
MAIN DC
+B1
GND
D51,52
PROTECT OF REVERSE
CONNECTION
BACK UP
CN52
BATTERY
+B2
GND
• ) are parts of layer 1.
X45-373 2/2
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