Kenwood TKR-851 Service Manual Supplement page 9

A B C D
TKR-851
PC BOARD
1
FINAL UNIT (X45-3742-71) Component side view (J72-0971-19)
2
3
GND
4
Back up battery
Main DC
+B1 GND +B2
5
6
7
8
GND
9
+B1 +B2
J72-0971-19 (B/2)
10
Ref. No. Address Ref. No. Address Ref. No. Address
IC3 8J Q4 6I
11
Q1 9H Q5 5L
Q2 9G Q8 8K
Q3 8F D2 8I
12
13
14
E F G
CN8 GND CN6 MAIN DC
(BLACK) (RED)
CN7 BACKUP
K1
(ORANGE)
CHARGE
L5
C173
C34
R16
C169
R14 Vg
C35
R17
C22
R19
8T
R49
L15
CN4
Q3
D
FAG 2 R11
+
S R12
FAB 1
G
R13
8T
L3
R8
CN5
C8
Q2
Ref. No. Address
D4 7P D9 6E
D5 9Q D51 7B
D7 3J D52 8B
D8 6E D53 8R
H I J K
+
+
C42
C43 G
Q4
G D
Vg
C46
R24
TMP
C48
PC
R60
+
C120
R57
R26 R55 R59
5 4
IC3
R35
8 1
R31
8T
R62 PDT
CN1
R1
TX IN
L1
L M N O
PC BOARD
FINAL UNIT (X45-3742-71) Component side view (J72-0971-19)
+
C56
C55
Q5 D
C118
R40
TH1
DET
R41
R56
ANT SW
CN3
P Q R S
TKR-851
J72-0971-19 (A/2)
ANT
L12
C89
C86
C83
R37 C165
C178
FWD
L16
L19
D5
R42
RX
C166
C72 CN53
REV
R45 E
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
1
2
3
4
5
6
7
8
9
10
11
12
13
14