background image
© 2005-4 PRINTED IN JAPAN
B53-0272-00 (N) 1708
CD RECEIVER
KDC-3028/328/MP4028/MP428
/MP5029/MP6029
/W5031/W5031Y/W531Y
SERVICE MANUAL
DISP
DISP
C.S.
FF
FF
MENU
MENU
VOL
VOL
AUD
AUD
SET
SETUP
UP
SCRL
AME
AUTO
ATT
SCAN
RDM
REP
M.RDM
KDC-3028
SWITCH UNIT (X16) TYPE 2
KDC-328
50200001~
X16-3320-11
X34-3390-11
784225GC280A
TDF-53D/O
Y33-2230-66
KDC-3028
50100501~
X16-3320-11
X34-3390-12
784225GC280A
TDF-53DB/O
Y33-2230-67
KDC-MP4028
50200001~
X16-3320-10
X34-3380-10
30624MGPA44GP
TDF-MP54DB/O
Y33-2230-60
KDC-MP428
50200001~
X16-3320-10
X34-3380-11
30624MGPA44GP
TDF-MP54D/O
Y33-2230-62
KDC-MP5029
T0200001~
X16-3320-22
X34-3390-21
784225GC279A
TDF-MP5029/O
Y33-2230-63
KDC-MP6029
T0200001~
X16-3320-21
X34-3380-21
30624MGPA44GP
TDF-MP6029/O
Y33-2230-61
KDC-W5031
T0104001~
X16-3322-71
X34-3392-71
784225GC279A
TDF-W5031/O
Y33-2230-64
KDC-W5031Y
T0200001~
X16-3322-71
X34-3392-71
784225GC279A
TDF-W5031/O
Y33-2230-64
KDC-W531Y
T0200001~
X16-3322-72
X34-3392-72
784225GC279A
TDF-W531Y/O
Y33-2230-65
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).
Illustration is KDC-3028
MODEL
SERIAL No.
ELECTRIC UNIT
MCU IC (IC1:X34)
TDF NAME
TDF PANEL No.
SWITCH UNIT
(TYPE2 UNIT)
This product uses Lead Free solder.


background image
2
KDC-3028/328/MP4028/MP428/MP5029
/MP6029/W5031/W5031Y/W531Y
A
B
C
D
E
1
2
3
4
5
6
7
PC BOARD
(COMPONENT SIDE VIEW)
(FOIL SIDE VIEW)
C13
C14
C15
C16
C17
R102
P1
D24
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D26
D25
S1
S2
S10
S27
ED1
IC2
DISP
RESET
FM
AM
6
5
4
2
1
SRC
Q
VO
L
1
23
AT
T
AU
D
3
VCC
VO
G
SWITCH UNIT
X16-332x-xx (J76-0142-02)
CP901
R101
C19
C20
C11
C8
C10
CP10
CP11
R74
R75
R25
R1
R2
R3
R4
R5
R6
R7
R8
R9
R28
R11
R13
R14
R20
R51
R52
R53
R54
R55
R56
R31
R23
R26
R29
W5
R61
W4
R73
R16
R103
R67
C22
C21
R65
R58
R63
R80
R24
R27
R30
R60
R64
R57
R15
R10
R81
R59
R62
CP12
CP13
C31
C30
C29
C27
C28
KI2
KI5
ESD
GND
ILL
D
GND
KS2
CLK
RST
CW
FL+B
DATA I/O
REMO
KS4
CNDET
KI3-4
KI6
SW5V
KS1
KI1
CCW
KS3
CS
FL+B
PAN5V
INT
ILL+B
IN
R66
R76
1
128
103
38
39
64
102
65
1
2
14
15
B
E
B
E
BE
B
E
B
E
B
E
B
E
E
B
E
B
D102
D104
D105
D107
D108
D109
D111
D112
Q5
Q15
Q11
Q16
D114
Q12
Q13
Q10
Q14
D113
J1
Q4
D101
IC3
SWITCH UNIT
X16-332x-xx (J76-0142-02)
Refer to the schematic diagram for the
values of resistors and capacitors.
X16-332x-xx
Ref. No.
Address
IC2
2B
X16-332x-xx
Ref. No.
Address
IC3
4E
Q4
5E
Q5
5E
Q10
3E
Q11
3E
Q12
4E
Q13
4E
Q14
5E
Q15
3E
Q16
3E


background image
3
KDC-3028/328/MP4028/MP428/MP5029
/MP6029/W5031/W5031Y/W531Y
A
B
C
D
E
1
2
3
4
5
6
7
Q4
J1
D108
A
1/2
J5
X34-
REMOTE
SENSOR
PAN
SW5V
Q12
Q13
Q14
VFD DRIVER
Q5
5V SW
D105
D104
D114
D113
D111
D112
D101
D109
D107
P1
D102
TP16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ILL D GND
PAN5V
RTRY CW
FL+B
ILL+B
RST
VFD INH
PAN DATA
VFD CE
VFD CL
VFD
REMO
RTRY CCW
CN DET
ESD
TP3
TP8
TP6
TP7
TP5
TP4
TP9
TP15
TP14
32
13
12
31
30
15
29
3
6
1
2
3
GND
VO
VCC
100
12
2.2
C8
+B
FL+B
FL+B
R1
100
R3
100
R4
100
R5
100
R6
100
R7
R9
100
R8
P3
28
P1
P2
GA1
4
32
30
29
31
P4
P6
P5
34
33
36
35
P9
P8
P7
P10
40
38
37
39
P12
P11
P13
41
43
42
P14
P15
58
P20
47
45
44
46
P18
P17
G2
4
50
48
49
GB1
2
P32
52
51
53
P21
P23
P22
54
55
57
56
P24
GB1
3
P25
G3
1
P29
61
59
60
P27
P26
P28
63
62
64
P31
P30
R73
R74 22
1/2W
1/2W
65
66
F+1
F+2
12
17
16
14
15
13
5
10
11
9
7
8
6
4
2
3
1
S35
S34
G3
G1
S40
S38
S39
G1
G2
S33
S31
S32
S30
S29
S56
S73
S77
S78
S36
S37
S75
S41
S72
S58
S59
S57
S49
S54
S53
S51
S52
S55
S50
G1
G2
S47
S48
S46
S45
S43
S42
S51
S50
S49
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
G1
G2
G3
KS1
KS2
KS3
KS4
KI1
KI3-4
KI2
KI6
KI5
NC
NC
SEG53
SEG52
SEG56
SEG55
SEG54
SEG59
SEG58
SEG57
SEG61
SEG60
SEG64
SEG63
SEG62
SEG66
SEG65
SEG72
SEG68
SEG69
SEG67
SEG70
SEG71
SEG73
NC
NC
55
65
SEG46
SEG47
SEG50
SEG49
SEG48
NC
SEG51
NC
102
100
101
98
99
96
97
95
SEG36
SEG37
SEG40
SEG39
SEG38
SEG41
SEG42
SEG45
SEG44
SEG43
93
94
91
92
90
88
89
86
87
85
75
SEG26
SEG27
SEG30
SEG29
SEG28
SEG31
SEG32
SEG35
SEG34
SEG33
80
83
84
81
82
78
79
76
77
NC
NC
SEG19
SEG20
SEG18
SEG21
SEG22
SEG25
SEG24
SEG23
70
73
74
71
72
68
69
66
67
60
SEG17
SEG16
NC
63
64
NC
62
61
SEG12
SEG11
SEG15
SEG14
SEG13
59
58
56
57
37
RO
W
5
SEG81(RED)
SEG76
SEG75
SEG74
NC
NC
2
1
3
4
SEG80
SEG79
SEG77
SEG78
7
6
5
8
9
INT
VDD
D-GND
SEG82(GREEN)
VDISP
12
11
10
13
14
RO
W
4
RO
W
3
RO
W
1
RO
W
2
17
16
15
18
19
27
22
COL2
COL1
20
21
COL6
DUP/TRI
COL4
COL3
COL5
23
24
26
25
32
CLOCK
RESET
BLANK
CS
D
ATA
I/O
28
29
31
30
NC
NC
L-GND
OSC0
NC
33
34
36
35
VDISP
SEG5
SEG7
SEG6
SEG10
SEG9
SEG8
54
53
50
52
51
SEG1
SEG4
SEG3
SEG2
47
49
48
46
GRID2
GRID3
45
44
GRID1
42
43
NC
D-GND
39
40
NC
41
NC
38
47K
R25
47K
R28
47K
R31
2.2K
R30
2.2K
R27
2.2K
R24
47K
R29
47K
R26
47K
R23
1K
R14
1K
R15
4.7
R11
C10
0.01
47K
1000P
C28
15
32
29
30
31
27P
C11
10K
R10
10
11
R81
22K
2.2K
R80
TP10
TP12
TP11
TP13
TP2
TP1
S28
P40
P33
P39
P34
GB1
1
G2
1
P36
G2
2
P38
GA1
1
P41
P42
P43
P45
1/2W
R75 22
S74
S76
S71
S70
S69
S68
S67
S66
S65
S64
S63
S61
S62
P46
18
21
19
20
P47
P48
22
23
P50
P49
GA1
2
P44
P37
P35
67
68
G3
G3
2
S44
P16
P19
G2
3
R20
SYS DATA
VFD
TP50
ILL+B
ILL+B
PAN5V
P
AN5V
R2
1K
100
R102
S78
S77
S76
S75
S74
1K
CP11
R16
1K
470P
C27
C29
470P
47K
R101
1
C30
C31
470P
R76
R13
1K
CP10
1K
W4
W5
CP901
100
IC2
(X16-33xx-xx)
ED1
A
IC3
10K
10K
5V
0V
0V
5.0V
0V
11.3V
5.0V
0V
5V
5V
0V
5V
RST
0V
0V
11.3V
0V
5V
0V
0V
11.3V
0V
0V
11.3V
0V
11.3V
0V
5V
0V
11.3V
0V
11.3V
(3G/1GB/2G)
1GA
2G
1GB
3G
a
a
m
r
n
b
b
c
c
d
d
k
h
e
e
f
f
g
g
p
j
(1G)
(1GA)
S9
S8
S4
S7
S6
S2
S1
S3
S5
S10
col1
col3
col4
col2
3a
2a
1a
2a
1a
2a
1a
3a
X16-332x-xx (1/2)


background image
4
KDC-3028/328/MP4028/MP428/MP5029
/MP6029/W5031/W5031Y/W531Y
J
I
H
G
F
1
2
3
4
5
6
7
S2
S1
5
4
3
1EQ
6
SRC
RESET
D1
D2
D3
D4
D5
D6
D7
D9
D8
D10
D12
D11
D15
D18
D14
D13
D17
D16
D25
D26
D19
D20
D21
D23
D22
Q15
D101,102.104,105,107-109,
D1-3,7-9,13-15,19,25
D4-6,10-12,16-18,26
D20-24
Q5,10,15
IC2
Q11-14,16
IC3
B30-1729-05
B30-1566-05
AVRM1608180M6A
RT1P141U
2SC4617 or
PNA4S22M
ML9228GAZ-A
2SA1774 or
:
:
:
:
:
:
:
:
GND LINE
B LINE
RED LED SW
GREEN LED SW
ED1
3-BT-225NM
:
Q16
Q10
Q11
B
S13
S14
S21
S22
S19
S20
S15
S16
S25
S24
S23
S26
S18
S17
E
D
Q4
:
S3
C
D24
S12
2
S11
S10
DISP
S27
ATT
111-114
2SA1989(Q,R,S)
2SC5383(E,F)
CP12
VOL
VOL
AUDIO
C20
C19
3
13
KS3
KS2
KS1
KS4
KI1
KI2
KI3-4
KI6
470
R51
470
R52
R53
470
R54
680
C13
0.01
C14
0.01
300
C16
0.01
C15
0.01
300
680
22K
R62
+B
6
P3
25
24
F-2
F-1
GA1
3
28
26
27
P1
P51
P2
30
29
P4
S56
S60
S58
S59
S57
110
NC
104
103
NC
107
106
105
109
108
SEG53
SEG52
SEG56
SEG55
SEG54
120
115
111
112
114
113
SEG59
SEG58
SEG57
SEG61
SEG60
117
116
119
118
SEG64
SEG63
SEG62
SEG66
SEG65
SEG72
123
122
121
125
124
SEG68
SEG69
SEG67
SEG70
SEG71
128
127
126
SEG73
NC
NC
SEG74
NC
NC
2
1
10
1
C22
47K
R63
22K
R67
2.2K
R64
47K
R65
11
C21
1
R58
47K
R59
22K
R66
22K
R60
2.2K
47K
R61
KI5
G1
YES
YES
B30-1565-05
C
YES
YES
X16-3320-10
YES
X16-3320-21
X16-3332-11
YES
YES
YES
No
.
UNIT
A
B
B30-1565-05
E
FM+
AM-
MODEL
NAME
KDC-MP4028
KDC-MP6029
KDC-328
KDC-MP5029
KDC-MP428
KDC-3028
S63
S61
S62
21
P48
22
23
P50
P49
GA1
2
ILL+B
S52
S53
S54
S55
S56
S57
S58
S59
S60
S61
S62
S63
S64
S65
S66
S67
S68
S69
S70
S71
S72
S73
S74
R57
R56
R55
C17
0.01
TP47
TP46
TP42
TP43
TP41
TP40
TP44
TP49
100
R103
CP13 1K
E505
X16-3320-01
X16-3320-11
X16-3320-22
YES
YES
YES
B30-1565-05
X16-3342-70
X16-3322-71
KDC-W5031Y
KDC-W5031
KDC-W531Y
YES
YES
B30-1565-05
X16-3342-71
X16-3322-72
YES
YES
YES
D
B30-1575-05
1K
100
1K
1K
1K
100
100
CP12
YES
CP13
YES
YES
YES
YES
YES
YES
YES
YES
YES
D102
4.7K
100
100
4.7K
4.7K
4.7K
100
R1,9
YES
YES
YES
YES
YES
YES
R8
YES
YES
R14
R15
YES
YES
YES
YES
0.01
0.1
0.01
0.01
0.1
0.01
0.1
C19,20
33
2.2
33
33
2.2
33
2.2
R73
YES
YES
YES
YES
R74,75
TP48
X16-3332-10
YES
YES
YES
W5
YES
YES
YES
YES
W4
YES
KDC-3028/328/MP4028/MP428/MP5029
/MP6029/W5031/W5031Y/W531Y(OKI) (2/2)
V
ANODE CONNECTION
GA
S10
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
1d
1n
1p
1r
1e
1c
1g
1m
1f
1b
1k
1j
1h
1a
--
--
--
d
e
c
g
f
b
a
S1
S2
S3
S4
S5
S6
S7
S8
S9
3d
3n
3p
3r
3e
3c
3g
3m
3f
3b
3k
3j
3h
3a
--
--
--
3G
2G
PIN
NAME
1GA,1GB
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
P31
P32
P33
P34
P35
P36
P37
P38
P39
P40
P41
P42
P43
P44
P45
P46
P47
P48
P49
P50
P51
2a
3a
2h
3h
2j
3j
2k
3k
2b
3b
2f
3f
3d
2d
3n
2n
3p
--
2m
3m
2g
3g
2c
3c
2e
3e
2r
--
3r
--
2p
1a
2a
1h
2h
1j
2j
1k
2k
1b
2b
1f
2f
2d
1d
2n
1n
2p
col2
1m
2m
1g
2g
1c
2c
1e
2e
1r
col4
2r
col3
1p
1a
2a
1h
2h
1j
2j
1k
2k
1b
2b
1f
2f
2d
1d
2n
1n
2p
col1
1m
2m
1g
2g
1c
2c
1e
2e
1r
--
2r
S10
1p
CAUTION : For continued
safety, replace safety critical
components only with
manufacturer's recom-
mended parts (refer to parts
list).
Indicates safety critical
components. To reduce the
risk of electric shock, leak-
age-current or resistance
measurements shall be car-
ried out (exposed parts are
acceptably insulated from the
supply circuit) before the ap-
pliance is returned to the cus-
tomer.
· DC voltages are as mea-
sured with a high imped-
ance voltmeter. Values
may vary slightly due to
variations between indi-
vidual instruments or/and
units.
2SC4617
2SA1774
X16-332x-xx (2/2)


background image
5
KDC-3028/328/MP4028/MP428/MP5029
/MP6029/W5031/W5031Y/W531Y
Indicates safety critical components.
New parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.
Ref. No.
A
d
d
N
e
w
Parts No.
Description
Desti-
nation
Ref. No.
A
d
d
N
e
w
Parts No.
Description
Desti-
nation
K : KDC-MP4028/MP428
K1 : KDC-3028/328
M1 : KDC-MP6029
M2 : KDC-MP5029
# : Refer to cover page
ELECTRIC UNIT (X34-3380-xx)
PARTS LIST (KDC-3028/328/MP4028/MP428/MP5029/MP6029)
D1-3
B30-1566-05
LED (1608, RED)
KK1M1
D4-6
B30-1565-05
LED (1608, PG)
M1M2
D7-9
B30-1566-05
LED (1608, RED)
KK1M1
D10-12
B30-1565-05
LED (1608, PG)
M1M2
D13-15
B30-1566-05
LED (1608, RED)
KK1M1
D16-18
B30-1565-05
LED (1608, PG)
M1M2
D19
B30-1566-05
LED (1608, RED)
D20-24
B30-1729-05
LED (1608, BLUE)
D25
B30-1566-05
LED (1608, RED)
KK1M1
D26
B30-1565-05
LED (1608, PG)
M1M2
C8
CK73FB1A225K
CHIP C
2.2UF
K
C10
CK73GB1H103K
CHIP C
0.010UF
K
C11
CC73GCH1H270J
CHIP C
27PF
J
C13-17
CK73GB1H103K
CHIP C
0.010UF
K
C19,20
CK73GB1H103K
CHIP C
0.010UF
K
K1M2
C20
CK73GB1H104K
CHIP C
0.10UF
K
KM1
C21
CK73FB1C105K
CHIP C
1.0UF
K
M1M2
C22
CK73FB1C105K
CHIP C
1.0UF
K
KK1M1
C27
CC73GCH1H471J
CHIP C
470PF
J
C28
CK73GB1H102K
CHIP C
1000PF
K
C29
CC73GCH1H471J
CHIP C
470PF
J
C30
CK73GB1A105K
CHIP C
1.0UF
K
C31
CC73GCH1H471J
CHIP C
470PF
J
J1
E59-0840-05
RECTANGULAR PLUG (15PIN)
CP10,11
RK74HB1J102J
CHIP-COM 1.0K
J
1/16W
CP12
RK74GA1J101J
CHIP-COM 100
J
1/16W
KM1
CP12,13
RK74GA1J102J
CHIP-COM 1.0K
J
1/16W
K1M2
CP901
RK74HB1J101J
CHIP-COM 100
J
1/16W
R1
RK73EB2E101J
CHIP R
100
J
1/4W
KM1
R1
RK73EB2E472J
CHIP R
4.7K
J
1/4W
K1M2
R2
RK73EB2E102J
CHIP R
1.0K
J
1/4W
R3-8
RK73EB2E101J
CHIP R
100
J
1/4W
R9
RK73EB2E101J
CHIP R
100
J
1/4W
KM1
R9
RK73EB2E472J
CHIP R
4.7K
J
1/4W
K1M2
R10
RK73GB2A103J
CHIP R
10K
J
1/10W
R11
RK73GB2A4R7J
CHIP R
4.7
J
1/10W
R13
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R14
RK73GB2A102J
CHIP R
1.0K
J
1/10W
KM1
R15
RK73GB2A102J
CHIP R
1.0K
J
1/10W
K1M2
R16
RK73GB2A102J
CHIP R
1.0K
J
1/10W
R20
RK73GB2A101J
CHIP R
100
J
1/10W
R23
RK73GB2A473J
CHIP R
47K
J
1/10W
R24
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R25,26
RK73GB2A473J
CHIP R
47K
J
1/10W
R27
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R28,29
RK73GB2A473J
CHIP R
47K
J
1/10W
R30
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R31
RK73GB2A473J
CHIP R
47K
J
1/10W
R51-53
RK73FB2B471J
CHIP R
470
J
1/8W
R54
RK73EB2E681J
CHIP R
680
J
1/4W
R55,56
RK73FB2B301J
CHIP R
300
J
1/8W
R57
RK73EB2E681J
CHIP R
680
J
1/4W
R58
RK73GB2A473J
CHIP R
47K
J
1/10W
M1M2
R59
RK73GB2A223J
CHIP R
22K
J
1/10W
M1M2
R60
RK73GB2A222J
CHIP R
2.2K
J
1/10W
M1M2
R61
RK73GB2A473J
CHIP R
47K
J
1/10W
M1M2
R62
RK73GB2A223J
CHIP R
22K
J
1/10W
KK1M1
R63
RK73GB2A473J
CHIP R
47K
J
1/10W
KK1M1
R64
RK73GB2A222J
CHIP R
2.2K
J
1/10W
KK1M1
R65
RK73GB2A473J
CHIP R
47K
J
1/10W
KK1M1
R66
RK73GB2A223J
CHIP R
22K
J
1/10W
M1M2
R67
RK73GB2A223J
CHIP R
22K
J
1/10W
KK1M1
R73
RK73PB2H2R2J
CHIP R
2.2
J
1/2W
KM1
R73
RK73PB2H330J
CHIP R
33
J
1/2W
K1M2
R74,75
RK73PB2H220J
CHIP R
22
J
1/2W
K1M2
R76
RK73GB2A473J
CHIP R
47K
J
1/10W
R80
RK73GB2A222J
CHIP R
2.2K
J
1/10W
R81
RK73GB2A223J
CHIP R
22K
J
1/10W
R101
RK73GB2A473J
CHIP R
47K
J
1/10W
R102,103
RK73EB2E101J
CHIP R
100
J
1/4W
W4
R92-1252-05
CHIP R
0 OHM J
1/16W
K1M2
W5
R92-1252-05
CHIP R
0 OHM J
1/16W
KM1
S2
S70-0106-05
TACT SWITCH
S10
S70-0051-15
TACT SWITCH
S27
S70-0051-15
TACT SWITCH
S1
T99-0457-15
ROTARY ENCODER
D101,102
AVRM1608180M6A VARISTOR
D104,105
AVRM1608180M6A VARISTOR
D107-109
AVRM1608180M6A VARISTOR
D111-114
AVRM1608180M6A VARISTOR
ED1
3-BT-225NM
FLUORESCENT INDICATOR TUBE
IC2
PNA4S22M
ANALOGUE IC
IC3
ML9228GAZ-A
MOS-IC
Q4
RT1P141U
TRANSISTOR
Q5
2SC4617
TRANSISTOR
K1M2
Q5
2SC5383(E,F)
TRANSISTOR
KM1
Q10
2SC4617
TRANSISTOR
M2
Q10
2SC5383(E,F)
TRANSISTOR
M1
Q11-14
2SA1774
TRANSISTOR
M2
Q11-14
2SA1989(Q,R,S)
TRANSISTOR
M1
Q12-14
2SA1774
TRANSISTOR
K1
Q12-14
2SA1989(Q,R,S)
TRANSISTOR
K
Q15
2SC4617
TRANSISTOR
K1
Q15
2SC5383(E,F)
TRANSISTOR
KM1
Q16
2SA1774
TRANSISTOR
K1
Q16
2SA1989(Q,R,S)
TRANSISTOR
KM1
IC1
30624MGPA44GP
MCU IC
#
IC1
784225GC280A
MCU IC
#
SWITCH UNIT (X16-3320-xx)
ELECTRIC UNIT (X34-3390-xx)