Kenwood TK-2140 Service Manual page 18

A B C
Ref. No. Address
IC500 8F
IC501 5G
IC502 7H
Q500 6E
Q501 4I
Q502 8G
Q504 8G
Q506 6E
Q507 5E
D500 8I
D501 8I
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Foil side
TX-RX UNIT (X57-6402-71) (C/3) Foil side view (J79-0057-09 C/3)
SW2
D E
TX-RX UNIT (X57-6402-71) (B/3) Foil side view (J79-0057-09 B/3)
X500
C509 C506
R506
C501 R500
R549
Q507 S
D
G
R501
G
Q506
C543
D
S
J79-0057-09 B/3
GND PTT SW1
F G
PC BOARD
R545
13
+
C503
IC501
R509
R504
C500
R507
24
R503 R512
R519
C508
C504
C519
R542
C512
C546
C513 R513 C517 C541
R537
C537 R536
1 14
IC500
7
8
H I
TK-2140
C542
R543
G Q501
12
D
S
C523 C525
R517 R523
R520
R521
C524
1
R527
+ +
C527
C518
1 5
R535
IC502
C531
3 4
R538
+
D501
C540
R547
+
C539
D500
R539
J79-0057-09 C/3
J
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14