Kenwood TKR-751 Service Manual Supplement page 14

F
FINAL UNIT (X45-3732-71) (A/2)
F1
3.0A
Q5
FINAL AMP
C30
120p
TX
DRIVE
AMP
R19 R20 R21 R23
100k
100k 0 0
D2
T:5.18V
VOLTAGE
R:0V
REFERENCE
R55
1k
G
SCHEMATIC DIAGRAM
C54
L8
22n
1000p
D4,5
RF DETECTOR
DC AMP
IC1
TA75W01FU
5 4
VEE
IN2+
6 3 R35
IN1+
IN2-
7 2 100k
IN1-
OUT-B
8 1
OUT1
VCC
R31 10k
D8
REVERSE
CURRENT
PROTECTION
T:13.03V
K1
R:13.56V
MINISMDC050-02
CURRENT
PROTECTOR
CHARGE
SURGE
PROTECTOR
Note : The components marked with a dot (
H
L16
15n
C92
1000p
L17
18n
R41
0
ANT SW
MAIN DC CN6
W3 +B1
W4 GND
D9
BACKUP CN7
W5 +B2
GND CN8
I
TKR-751
C160
1000p
L9 L10
L11
47n 47n 47n
RF SWITCH
D53
MA4PH633
C60
R73
0
1000p
D55,56
RF SWITCH
1
2
3
(X45-3732-71) (B/2)
CN51
D51,52
PROTECT OF REVERSE
CONNECTION
CN52
• ) are parts of layer 1.
J
1
2
TX ANT
3
RX
4
CN5
E
B
B
MAIN DC
5
+B1
GND
BACK UP
BATTERY
+B2
6
GND
7
11
X45-373 2/2