Kenwood TKR-851 Service Manual page 80

F
FINAL UNIT (X45-3742-71) (A/2)
TX
DRIVE
AMP
FINAL AMP
Q4
PD55008S
RD60HUF1-01
C43
22p
R20 R21
0 0
T:4.26V
R:0V
DC AMP
VOLTAGE
C120
REFERENCE TA75W01FU
5
R59
0.022u
IN2+
0 R55 6
IN2-
470k 7
OUT-B
8
VCC
R62
R54
1k
T:13.05V
R:13.56V
D7
SURGE
PROTECTOR
G
SCHEMATIC DIAGRAM
Note : The components marked with a dot (
Q5
C61
470p
D4,5
RF DETECTOR
IC3
4
VEE
3
IN1+
2
IN1-
1
OUT1
10k
K1
REVERSE
CURRENT
PROTECTION
D9
MINISMDC050-02
CURRENT
PROTECTOR
CHARGE
H
L16
10n
C81 C160
470p 470p
L17
18n
R41
0
(X45-3742-71) (B/2)
MAIN DC CN6
W3 +B1
W4 GND
PROTECT OF REVERSE
CONNECTION
BACKUP CN7
W5 +B2
GND
CN8
I
TKR-851
•
) are parts of layer 1.
L9 L11
ANT
15n 15n
CN5
E
1
B
B
3
CN51
MAIN DC
+B1
GND
D51,52
BACK UP
BATTERY
CN52
+B2
GND
X45-374 2/2
J
1
2
3
4
5
6
7
71