Kenwood TKR-850 Service Manual page 4

A B
TKR-850
1
2
FINAL UNIT (X45-3740-10) Component side view (J72-0911-09)
3
4
Main DC
+B1 GND
5
6
7
8
GND
9
+B1
J72-0911-09 (B/2)
10
Ref. No. Address
IC3 8J
11
Q1 9H
Q2 9G
Q3 8F
12
13
4
14
C D
PC BOARD
GND
Back up battery
+B2
CHARGE
+
+B2
Ref. No. Address Ref. No. Address
Q4 6I D4
Q5 5L D5
Q8 8K D7
D2 8I D8
E F
CN8 GND
(BLACK)
CN7 BACKUP
K1
(ORANGE)
C22
L15
CN4
Q3
D
FAG 2
S
FAB 1
G
L3
R8
CN5
Ref. No. Address
7P D9 6E
9Q D51 7B
3J D52 8B
6E
G H
CN6 MAIN DC
(RED)
+
L5
G Q4
C34
R16
R14
Vg
C35
R17
R19
8T
R49
+
R11
R12
R13
8T
R1
L1
C8
Q2
I J
+
C43
D
C120
R26 R55 R59
5 4
IC3
8
1
8T
R62
CN1
TX IN