Kenwood KDC-MP538U Service Manual page 19

F
PC BOARD (KDC-MP6539U/W6541U/W6641UY)
(COMPONENT SIDE VIEW)
SWITCH UNIT (RGB LEDs)
X16-634x-xx (J76-0504-12)
D31
S2
S4
D30
D24
C27
VCC OUT
IC3
GND
D21
D23
S3
S6
G
C38
D29
C37
X16-634x-xx
Ref. No. Address
IC3 6F
C25
H
KDC-MP538U/MP6039/MP6539U/
W6041U/W6141UY/W6541U/W6641UY/X592
(FOIL SIDE VIEW)
SWITCH UNIT (RGB LEDs)
X16-634x-xx (J76-0504-12)
R35
5 4
IC4
8 1
C91
IC2 R62
4
3
R76
1 2
R75
CP12
X1
26 25
C77
R78
R79
50
IC1
51
C81
C82
D20
C85
CP13
C83
R80
75 76
C84
D19
CP16
C43
R2
R52
R49
ILL+B R41
TP3
R42
R43
TP5 D95
R47
TP6
R45
TP7
R44
TP9
R48
TP11
R46
C47
TP13
TP14
F-DC R51
D92
TP15
R50
TP16
E B
B
R28
R27
CP1
R29
C33
C34
C26
R26
R21
R25
R22
R24
R23
Refer to the schematic diagram for the values of resistors and capacitors.
I
C41
C42
R38
C32
C31
C46
C45
C40
C39
R72
1
100
C86
R71
CP17
D40
C23 X16-634x-xx
Ref. No.
IC1
Q1
D93
Q21
D94
Q22
Q23
TP29
TP28
TP26
TP27
TP23
E
R66
R65
R81
R67
R69
R1
C22
C21
J
1
2
3
4
Address
4H
5I
3I
3I
3I
5
6
7
19