Kenwood TK-2180 Service Manual page 45

A B
TK-2180
1
2
3
4
5
6
7
8
9
10
11
12
13
44
14
C D
PC BOARD
DISPLAY UNIT (X54-3470-11) Foil side view (J72-0921-39)
J72-0921-39
Ref. No. Address
IC500 8H
IC501 5J
IC502 7I
IC503 7I
Q501 8K
E F
CN510
CN507
C500
C501
CP504
R581
CP507
CN511
Ref. No. Address
Q502 9K
Q504 7I
Q505 5I
D500 8K
D522 7J
G H
CN509
C544
C549
+
R573
+
C523
C556 L550
L556
NC 1
V5
Vss
V5out
+
C2–
C2+
+
C1–
L553
C1+
Vci
C563
VDD L554 C555
OSC1
C564
OSC2
RESET
R552
P/S
5 4
RS
R543
IC503
R/W
SCL
8 1
R542
SIO
CS
R571
C554
Vss 20
5 4
R540
IC502
8 1
C553
C522
R561
1
20
IC500
R568
10 11
R570
I J
R500
C551
4 3
IC501
5 1
C538
C525
R547
R562