Kenwood KDC-5021 Service Manual page 10

K L
PC BOARD(Foil side view)
Q Q
3 7 6 3 1 5 1 5 0
SWITCH UNIT
1
X16-163x-xx/167x-xx (J74-1315-02)
KS3
R28
C5
KS5
R13
2
C11
KI3
C12
R14
KI2
KI1
R15
KS4
3
KS2
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
R25
C4
R26
R27
R12
R9
C3
CP3
KI4
5
D-GND
L-DATAS
L-CLK
L-CE
L-DATAL
L-RES
RST
REMO
FLIPDET
PAN5V
6
ILL-GND
LED+B
w w w
R24
R23
C14 C15
.
C13
7
Refer to the schematic diagram for the value of resistors and capacitors.
M N
ELECTRIC UNIT X25-921x-xx(J74-1323-12)
X25-922x-xx(J74-1388-12)
R114
R111
R113
R112
R110
R108
R109
R107
B E
C17
R7
C12
C14
SWITCH UNIT
X16-163X-XX/167X-XX
Ref.No Address
x a o
y
IC 4L
Q1 5K
i
Q2 5K
Q3 4L
Q4 5L
O P
ELECTRIC UNIT X25-921x-xx/X25-922x-xx
Ref.No
Address 8
Ref.No Q508 Q510 Q702 Q707 Q901 Q902 Q903 Q906 Q907
Address
TH1
Q Q
Q510
3 7 6 3
C411
R406
R606
R633
R404
E B
u 1 6 3
.
11
Q R
IC8 Q6 Q403 Q404 Q501 Q502 Q504 Q506 Q507
2 4
6R 9 5N 2S 2T 4Q 3Q 9 4R 8 4R
4R 4P 4S 5S 6R 6R 6S 7Q
R519
R522
C411
C505
B E
R507
R501
Q506 W32
C503
Q501
1 5 1 5 0 8 9 2 4
C507
R512
D406
Q507
Q504
Q508
C608
R615
R653
R604
R654
R609
R642
C606
R613
R614
R622
R618
R620
R624
E B
4 3
IC8
1 2
R902
R601
B E
m
R901
c o
C607
Q906
R913
S T
2
4R 9 9
6P
R235
B E B E
C702
C705
R702
9 8 2 9 9
E B
R709
Q707
B E
12