Kenwood KDC-7027 PC BOARD
EDCBA
KDC-7 027/7027Y
PC BOARD
(COMPONENT SIDE VIEW) (FOIL SIDE VIEW)
DISPLAY UNIT
X16-2540-10 (J74-1588-02)
D16
72
DISPLAY UNIT
X16-2540-10 (J74-1588-02)
R54
Q11
EB
R14
R7
R52
IC1
R11
R67
R68
1
32
C6
C4
EB
D1
E2P5V
R8
DSI
R53
VLCD1
C2
R5
R4
R3
R12
D3
E2PCLK
R13
28
RST
1
ILLGND
C26
DIMMER
26
100
R6
R23
KS4
KS3
KS2
KS1
ESDGND
VOLA
CP4
KI1
KI2
VOLB
//
C27
ILLGND
50
51 75
76
Q1
EB
KI3
KI4
CN2
R51
CP5
R26
C3
Q5
GREEN
KI5
RED
E2PDATA
PANDET
R1
C1
R2
C2
25
1
R24
D5
D4
CN1
D26
CP1
CLK
DATAS
DATAL
INH
CE
1
2
3
4
5
144 73
D11
D19
DGND
REMO
50
51 75
76
1
X16-2540-10
Ref. No. Address
D18 D17
IC3
23
1
IC3 7A
Q2
R19
CCB
EEB
R16
R17
R20
C19
C18
C17
R18
C28
C16
C12
R36
IC2
R35
EB
ILL+B
R9
VLCD1
C14
PAN5V
C13
Q6
R15
R31
R10
R33
R34
C7
C12
C29
26
100
C11
R32
25 1
X16-2540-10
Ref. No. Address
IC1 3D
6
IC2 6D
Q1 3C
Q2 7C
Q5 4D
Q6 7D
D2
Q11 2D
Refer to the schematic
diagram for the v alues of
7
resistors and capacitors.
13
F G H I J
KDC-7 027/7027Y
1
PC BOARD (COMPONENT SIDE VIEW)
ELECTRIC UNIT X34-3042-72 (J74-1474-22)
CN1
CN2
2
Q12
Q13
3
Q8
Q1
Q9
4
5
12
11
2
1
R43
BE
BE
R112
Q11
D6
BEBEBEBE
C8
R105
OGI
IC3
D3
C104
D4
C109
R44
C102
R32
C7
R31
C6
Q4
BE
C108
C110
2
1
R55
BE
R56
Q5
C213
9
8
R127
Q24
BE
W1
D14
D15
D16
C105
C132
R140
R139
R141
R138
EB
Q32
IC8
IC5
R125
D17
17
148
C131
R126
5V
Q60
Q59
Q55
Q56
Q58
Q57
R102
R103
EB
Q3
RST
R143
R48R47R23R35
R24R36
R46
R21
R34
R33
R207
1
4
J1
EB
EB
EB
EB
EB
EB
R265
16
1
R45
R22
R282
IC15
L1
R128
R283
R204
D20
R206
R203
8
5
R129
R205
R211
L4
DATA
C50
C49
C41
C42
C46
C45
R209
R210
R214
R202
R208
C207
X2
C208
CLK
C252
C200
R215
C100
2
1
D1
C32
C256
Q25
BE
Q26
23
BE
L6
D13
IC2
33
TEST
25
26
R201
IC1
X1
R200
50
R217
R216
R218
R219
R220
1222
4434
CN4
C128
C126
C250
C254
C253
R300
11
C1 C2
D26
D25
1
1
100
76
7551
R228
R268
R262
R230
R260
L5
R275
124
R257
R259
R250
R252
R253
R256
R251
R234
R235
R236
R237
I
C34
6
15
C111
L2
C112
C113
C700
128
CN5
P1
CN6
115
7
14
ONMLK
KDC-7 027/7027Y
1
SWITCH UNIT
X16-2560-11 (J74-1590-02)
IC4
D1
SRC
D22
D21
S10
S9
S14
2
D4 D3
D5
3
S4
S19
AM FM
24
25
C258
C257
C31
C34
2
C33
C255
C5
CN3
16
15
2
1
C410
R307
R303
R302
R403
Q102
21
D31
L7
BE
D30
CN7
L11
D29
A1
1
R402
W2
S15
D2
S12
C10
D20
S17
C9
D19
S16
X34-3042-72
Ref. No. Address
IC1 5I
IC2 4I
IC3 3G
IC4 2K
IC8 5G
Q1 3F
Q3 5H
Q4 3G
Q5 3G
Q8 3F
Q9 4F
Q11 2F
L13
Q104
R407
R406
BE
C411
R405
R404
L12
X3
Ref. No. Address
Q12 2F
Q13 3F
Q25 3I
Q26 3I
Q32 4G
Q55 4H
Q56 4H
Q59 4H
Q60 3H
Q102 3L
Q104 4L
S20
S2 S11
D6
D7
4
RESET
D8
D9
5
MENU
D10
C8
D18
S18
24
C7
D17
C5
D15
12 3 4 5 6 SHIFT
D14
C4
S13
S8
S3
R15
R13
Q1
Q2
EB
Q3
EB
R17
Q4
D25
EB
EB
R16
R14
R12
S6S7
SCRLAUTO
6
D13
Refer to the schematic diagram for the
values of resistors and capacitors.
X16-2560-11
Ref. No. Address
Q1 4N
Q2 5N
Q3 5N
Q4 5N
D12
S1
S21
VOLUME
D11
7
15
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