Kenwood TKR-851 Service Manual Supplement page 14

F
FINAL UNIT (X45-3742-71) (A/2)
TX
DRIVE
AMP
Q4
PD55008S
RD60HUF1-01
C43
22p
R20 R21
0
0
T:4.26V
R:0V
DC AMP
VOLTAGE
C120
REFERENCE
TA75W01FU
R59 5
0.022u
IN2+
0 6
R55
IN2-
470k
7
OUT-B
8
VCC
R62
R54
1k
T:13.05V
R:13.56V
SURGE
PROTECTOR
G
SCHEMATIC DIAGRAM
FINAL AMP
Q5
D4,5
RF DETECTOR
IC3
4
VEE
3
IN1+
2
IN1-
1
OUT1
10k
D8
REVERSE
CURRENT
PROTECTION
D8
K1
RB051L-40
D9
MINISMDC050-02
CURRENT
PROTECTOR
CHARGE
D7
Note : The components marked with a dot (
H
C160
L16
C61 C81
10n
82p 82p
L17
18n
RF SWITCH
D53
MA4PH633
R41
0
ANT SW
MAIN DC CN6
W3 +B1
W4 GND
BACKUP CN7
W5 +B2
GND
CN8
I
TKR-851
82p
L11
L9
15n 15n
C68
R70
0
470p
D55,56
RF SWITCH
1
3
(X45-3742-71) (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
5
MAIN DC
+B1
GND
BACK UP
BATTERY
6
+B2
GND
7
11
X45-374 2/2