CD RECEIVER
KDC-MP5028/MP528/W6031
/W6031Y/W6531/W6531Y
/X589/X7529
SERVICE MANUAL
SWITCH UNIT (X16) TYPE 2
Illustration is KDC-MP5028
© 2005-4 PRINTED IN JAPAN
B53-0274-00 (N) 1708
This service manual handles only switch unit (X16) for type 2.
Besides, please refer to the service manual of each model.
Switch unit (X16) has been changed from the following serial number to type 2.
Following system microcomputer (IC1: X34) also changes at the same time as changing
switch unit (X16).
MODEL SERIAL No.
KDC-X589 50200001~ X16-3350-10 X34-3420-10 30624MWPA43GP TDF-55DX/O Y33-2290-60
KDC-X7529 T0200001~ X16-3350-10 X34-3420-21 30624MWPA43GP TDF-X7529/O Y33-2290-65
KDC-MP5028 50200001~ X16-3350-11 X34-3420-11 30624MWPA43GP TDF-MP55DB/O Y33-2290-61
KDC-MP528 50200001~ X16-3350-11 X34-3420-12 30624MWPA43GP TDF-MP55D/O Y33-2290-62
KDC-W6531Y T0200001~ X16-3350-11 X34-3422-71 30624MWPA43GP TDF-W6531/O Y33-2290-63
KDC-W6031Y T0200001~ X16-3350-11 X34-3422-72 30624MWPA43GP TDF-W6031/O Y33-2290-64
KDC-W6531 T0201201~ X16-3362-70 X34-3762-70 30624MWPA43GP TDF-W6531/O Y33-2290-63
KDC-W6031 T0202001~ X16-3362-70 X34-3762-71 30624MWPA43GP TDF-W6031/O Y33-2290-64
SWITCH UNIT
(TYPE2 UNIT)
ELECTRIC UNIT
MCU IC (IC1:X34) TDF NAME
TDF PANEL No.
This product uses Lead Free solder.
A B C D E
C3
C102
R10
R201
R6
R5
R3
R4
R2
R9
CP1
CP3
R23
R28
R20
R102
R24
R107
R109 R111
R108
R110
R112
R119
R120
R106
R105
R21
C2
R104
R8
C4
R11
R12
R13
R15
R16
R17
R18
R19
R103
R113
R114
R116
R117
C12
R205
R1
C201
R14
C103
C104
R32
R33
R29
R25
R26
R123
R122
R203
R202
R27
C210
C209
C208
C207
C206
C203
C204
C205
GND
ESD
KI6
SW5
RTRY-CW
RTRY CCW
REM
INH
CLK
KI4
CE
SYS-DATA
PAN5V
ILL+B
KS3
KS2
RST
KI3
KS4
KI5
GREEN
FL+
RED
PAN -DATA
KS1
KI
BE
EB
E
B
EB
B
E
BEEB
65
64
102
103
128
1
38
39
1
2
15
14
EB
BE
BEBE
E
B
E
B
D101
Q6
Q102
Q103
Q104
Q105
Q106
Q2
Q3
Q4
Q5
Q7
Q101
Q1
J1
IC1
SWITCH UNIT
X16-3350-1x/3362-70 (J76-0143-02)
KDC-MP5028/MP528/W6031/W6031Y
/W6531/W6531Y/X589/X7529
1
PC BOARD
(COMPONENT SIDE VIEW) (FOIL SIDE VIEW)
SWITCH UNIT
X16-3350-1x/3362-70 (J76-0143-02)
D9
2
3
S11
EJECT
C11
S21
D16
FM
AM
W1
SRC
D10
S6
D17
29
RESET654321
D11
D8
D1
D2
73 30
G
IC2
VO
VCC
ATT
4
5
6
7
D12
C7
S20
C9
D14
AUD
VOL
D15
D13
C10
D7
D6
X16-3350-1x
1
D5
X16-3362-70
Ref. No. Address
IC2 6A
X16-3350-1x
X16-3362-70
Ref. No. Address
IC1 3E
Q1 6E
Q2 2E
D4
Q3 2E
Q4 4E
Q5 5E
Q6 3D
Q
Q7 3E
Q101 6E
ED1
D3
AUTO
Q102 3E
Q103 2E
Q104 2E
Q105 5E
Q106 4E
S2
W2
C8
Refer to the schematic diagram for the
values of resistors and capacitors.
2