Kenwood TKR-750 Service Manual page 6

A B C D
TKR-750
PC BOARD
1
FINAL UNIT (X45-3730-XX) -10 : K,E,C -11 : K2,C2
2
Component side view (J72-0910-09)
3
GND
4
Back up battery
Main DC
+B1 GND +B2
5
6
7
8
GND
9
+B1 +B2
J72-0910-09 (B/2)
10
Ref. No. Address Ref. No. Address Ref. No. Address
IC1 8K Q5 5L
11
Q2 9H D2 8J
Q3 9F D4 7Q
Q4 6I D5 9Q
12
13
14
E F G
CN8 GND CN6 MAIN DC
(BLACK) (RED)
CN7 BACKUP
K1
(ORANGE)
CHARGE
L5
C22
C21
Vg
C27
R17
R16
R14
CN4
C96
R49
FAG 2
R50
+ FAB 1
C15
L3
R1
C106
C2
E
C
R53
B
C11
CN5 Q3
D7 3J
D51 7B
D52 8B
H I J K
+
C37
C29
C118
G
Q4
G D
Vg
C32
R24
VTH
R32 PC
R30
R29
R26
5 4
R35
IC1
+
8 1
R41
C42
R31 DET
PDT
8T
R48
CN1
C143
R64 TX IN
C1
L M N O
PC BOARD
FINAL UNIT (X45-3730-XX) -10 : K,E,C -11 : K2,C2
Component side view (J72-0910-09)
+
C55
C46
C47
C164
C49
Q5 D
R40
C142
TH1
R25
CN3
J72-0910-09 (B/2)
P Q R S
TKR-750
1
2
ANT
3
L12
C77
4
C74
5
L10
C69 C70
6
R43
R37 R62
C140
7
R36
C64
FWD
8
D5 9
C68
R45
REV
10
Component side
Layer 1
Layer 2
Layer 3 11
Layer 4
Foil side
12
13
14