Kenwood TKR-850 Service Manual page 11

F
TX
DRIVE
AMP
FINAL AMP
Q4
Q5
PD55008S
RD60HUF1-01
C43
*
R20 R21
0 0
T:4.26V
R:0V
DC AMP
VOLTAGE
IC3
C120
REFERENCE TA75W01FU
R59 5
0.022u
IN2+
VEE
470 R55 6
IN2-
IN1+
470k
7
OUT-B
IN1-
8
VCC
OUT1
R62 1k
R54
1k
T:13.05V
R:13.56V
D7
SURGE
PROTECTOR
X45-374X-XX C26 C32 C33 C34
0-10
K,E,C 470p 8p 33p 33p
0-11 K2 470p 6p 33p 33p
0-12 K3,C3 100p 8p 39p 39p
3-01 100p 10p 47p 47p
C6
G
SCHEMATIC DIAGRAM
Note : The components marked with a dot (
C61
470p
D4,5
RF DETECTOR
R41
4
3
2
1
MAIN DC
K1
REVERSE
CURRENT
PROTECTION
D9
MINISMDC050-02
CURRENT
PROTECTOR
CHARGE
C39 C40 C43 C44 C59 C60 C83
No 30p 18p 6p 10p No 6p
No 30p 12p No 9p 6p 5p
18p No 22p 10p 12p 8p 7p
22p No 39p 10p 27p 10p 10p
H
•
C81 C160
470p 470p
0
(X45-374X-XX)(B/2)
CN6
W3 +B1
W4 GND
D51,52
PROTECT OF REVERSE
CONNECTION
BACKUP CN7
W5 +B2
GND CN8
C86 C88 C89 C118 C119 C121 C122
10p No 5p 5p 470p 15p 15p
8p No 5p No No 18p 18p
12p 6p No No No 18p 18p
18p No 10p No No 22p 22p
I
TKR-850
) are parts of layer 1.
L9 L11
ANT
15n 15n
CN5
E
1
B
B
3
CN51 MAIN DC
+B1
GND
BACK UP
BATTERY
CN52
+B2
GND
C123 C124
22p 22p
24p 18p
27p 27p
27p 27p
X45-374X-XX (2/2)
J
1
2
3
4
5
6
7
9