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A B C D E
KDC-7027/7027Y
PC BOARD 1
(COMPONENT SIDE VIEW) (FOIL SIDE VIEW)
DISPLAY UNIT DISPLAY UNIT
X16-2540-10 (J74-1588-02) X16-2540-10 (J74-1588-02)
R54
D16
D17
Q11
C27 C26
EB
DIMMER
ILLGND
R51 R52 2
R53
73
72
50
26
25
51
IC1
75
1
76
100
VLCD1 C6
3
R11
CP5
R1
C1
C2 R2
R67 R68
C2
R5 R4
Q1
C4
R24
R26
EB
R3
D26
C3
CP4 R6
R12
EB
Q5
D5
D1 E2P5V
GREEN
KI5
D4
D3
4
RED
KI3
KI2
R14 E2PCLK
R7 CP1
E2PDATA
KI4
R13
R8
R23
KI1
PANDET
1
28
KS4
DSI
KS3
CLK
KS2
CN2
CN1
KS1 DATAS
RST
DATAL
ESDGND
VOLB
INH
VOLA
CE
//
5
1
32
ILLGND
DGND R10
REMO
50
26
25
51
X16-2540-10
IC2
Ref. No. Address
6
IC1 3D
75
1
IC2 6D
100 C11
76
1
C16
144
Q1 3C
R31
R20 C12
VLCD1
R35
C19 Q2 7C
R33
R32
C12
R36
C14 PAN5V
CB C C18
X16-2540-10 Q2 Q5 4D
C17 R34
EEB R18
Ref. No. Address R17 C13 C29 Q6 7D
D19
D18
R19
D2
IC3 7A Q11 2D
Q6
R16 EB
IC3 C28
2
D11
1
C7
Refer to the schematic
ILL+B
3
R15
R9
diagram for the values of 7
resistors and capacitors.
13
F G H I J
KDC-7027/7027Y
1 PC BOARD (COMPONENT SIDE VIEW)
ELECTRIC UNIT X34-3042-72 (J74-1474-22)
CN1
CN2 12 2 I
11 1
2
R32
R31
1 2
R43
R55
R44
R56
2 C100
9 16 1
BE
Q12
8 1
R112
D1
BE J1 L1
Q11
C6
C32 C34
C256
E
R127
D6
Q24
Q13
B E
B
C7
C8
Q25 C128 C126
R125
R143
R126
R105 W1
R129
R128
B E
E
I G O BE
Q8
IC3 Q26
3 L6 C250
D13
B
Q4
C253
C254
D3
C102
BE
E
Q5
BE
C108
R46
R48
Q1
R300
C50
EB
B
Q60 22 12 C1 C2
D14 23 11
C104
Q59
EB
C49
C252
R23 R47
E
D15 R45 IC2 D25 D26
R21
C41
Q9
D4
D16
C105
D17
EB
Q55 33 1
B
34 44
C42
4 Q56
EB
C109
R36 R24
C132
C131
R22
R139
R34
R140
C46
R250
EB
TEST R268
R138
R141 Q58
EB Q32 Q57
EB
C45
R201
25 1 L5
R35
X2
26 100 R253 R252
7 1 R33 R251
R257
C213
R283
R206
R205
R209
R208
R275
IC8 R202
R102 IC1
R103
R200
R256
8 14 X1
R265
R282
R210
R204
R203
R211
EB
R259
R260
C200
5 Q3 50 76 R234
51 75 R235
5V R236
L4 R262 R237
RST R217
R228
R230
C207
C208
D20
R207
R216
R218
R219
R220
R214
1 8
R215
C110
IC5 IC15
4 5
DATA CLK 24 CN4 1
C112
1 5
6 1 28
CN6
C111
C700
CN5 15 1
L2 C113
P1
7
14
K L M N O
KDC-7027/7027Y
1
SWITCH UNIT
X16-2560-11 (J74-1590-02)
IC4
D3
D1
D22
S15
24
2
S9
25 W2
SRC
S10
D31
D29
D30
C257 C258
D2
SHIFT
D21
S12
32 C34 C31 C33
S14
R307 A1
R303
R302 1
C255 L7
D4
C10
C5
D20
D5
S17
6
R403 3
FM
R402
CN3 BE
Q102 C9 S4
2 1 CN7 D19 S19
16 2
AM
S16
15 1 C410
5
L11
D6
L13
R407 Q104 C8
D7
R406
SCRL
BE D18
S6
C411
R405 R404
4
S18
4
RESET
S20
L12
X3
24
AUTO
S7
C7
Q1
BE
D8
D17
R16
Q4 R17
S13
EB
3
D9
X34-3042-72
D25
Ref. No. Address Ref. No. Address
S11
IC1 5I Q12 2F C5 R15 R14 5
IC2 4I Q13 3F D15 EB
Q3
MENU
IC3 3G Q25 3I
S2
S8
R13 R12
2
IC4 2K Q26 3I EB
Q2
IC8 5G Q32 4G
D10
Q1 3F Q55 4H
S3
1
Q3 5H Q56 4H
Q4 3G Q59 4H D14
Q5 3G Q60 3H C4
Q8 3F Q102 3L 6
D13
Q9 4F Q104 4L
Q11 2F
D11
X16-2560-11
S1
Ref. No. Address
VOLUME
S21
Q1 4N
Q2 5N
D12
Q3 5N
Q4 5N
Refer to the schematic diagram for the 7
values of resistors and capacitors.
15
P Q R S T
KDC-7027/7027Y
1 PC BOARD (FOIL SIDE VIEW)
ELECTRIC UNIT X34-3042-72 (J74-1474-22)
GND
D36
D35
D34
D33
R148
BU
C101
BU
2 D37
D38
D39
D40
TH1
D66