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A B C D E
KDC-5027/5027Y/508
1 PC BOARD (COMPONENT SIDE VIEW)
ELECTRIC UNIT X34-3092-70 (J74-1453-42)
W34
W16 W33 J1
W19 W31
J2 IC4 9 16
2 24 8 1
2 J3 13 11 12 8 4 3 2
9 10 6 7 5 1 1 25 D255
C352
C351 W14 R22
C253
W35
W36
W15 R23
W22 W41
D302 C251 W
W21
C301 C254 D23
C303 C302 C258
R262/W204
D253
R260/W202
D2
W23
D308
C252 R31
D301 C255
D307
R9
D303 R8
D305
D4
W50
D304
W49
CN3 D306 D2
J4 C256
D269
D271
D270/ W205
L3
D309
D311
D310
D31
1
3
W60
D3
C23
D203
3 C353 W29
W59
C211
W47
W25
W44
A1
W9 W24
W42
W5
R13
1
C354 C
L10
W13 W30
W48
W26
C26
W45
C209
D26
D27
CH-CON
D202
D201
4 W2 C202 C201 CH-CLK RESET
W12
PLL-DATA CH-DATAC
PLL-CLK CH-DATAH CH-REQH
S-MTR GND BU5V
R113
R112 DATA CLK
NOISE
R114
W10
W6
W7
W8
IFC
CN4
1
L9
2
24
W17 W32
5 C115 W4
W20
C117 D162 CN2
D161 2 22
D155
1 21
D160
D153
D158
D152
D157
D151
P1 D154
X3
W40
S1 CN1
W37
W38
W39
17 1
D163
18 2
W43
W46
C164
6
7
Refer to the schematic diagram for the values of resistors and capacitors.
10
F G H I J
KDC-5027/5027Y/508
1
DAUGHTER UNIT SWITCH UNIT
X89-2570-10 (J74-1450-02) X16-2502-70 (J74-1568-02)
W57
C1 S1
AM
FM
W53
R2 C1
D3
R1 D1
16 Q21 R3 D2
1
W58
R4 2
E
L1 J1
RST
R22 C21
D1 B
1
W55
L2 2
W51
23
S2
D1
D22
D21
SRC
C20
R11 15
16
R6
W50
W49
S1
C22 IC3 R13
VCC
1
VO
R7
3
D5
C23 R5
IC2
D6
W52
AUD
C29 R12
MENU
GND
D4
R9
W47
R10
ED1
C25 R8
C24
KI4
W48
C26
KS4
C28
KS5
KI2
1
1
D7
12
W54
4
D10
C27
2
S-MTR D9
KI1
3
X2
CNVSS
D8
L11
C409
4
5
X1 BU5V
D401
KS3
D13
RESET
5
KI0
D12
KS2
6
X34-3092-70 X16-2502-70
43
IC Q Address IC Address
W46
3 3F 2 3J
6
DISP
4 2C
21 2G
D11
AUTO
D32
D31
7
11
K L M N O
KDC-5027/5027Y/508
1 PC BOARD (FOIL SIDE VIEW)
ELECTRIC UNIT X34-3092-70 (J74-1453-42)
R261/W203
R259/W201
C2
D254
D252
D257
2
TH1
D258
D256
R304 C306
R303
R305
R307
R302
R306
R301
R309
R308
R311
R310
D251
C5
D24
D25
R10
W101
C4
R254
C257
C C
R21
Q22
EBE
R257
C31 R253
R32
R1
R2
Q3 R251 R252
Q1
R256
R3 EB
EB C3
3 R6
R255
R5
Q356
BE
Q2
R4 Q4
BE
R12
BE
C210
R33
R11
R7
C6
14 18 28 15
8 5
EBE
IC6
R205
R204
R315
C304
Q23 IC10 IC2 Q20
C C
EB
1 7
1 4
R414 1 14
R312
C213
C206
C204
4 R203
R27
R28
R24
R25
R26
C212
R209
R210
C205
R106
R207
R208
R413 R412
C203
R201
R202
C111 81 80 R411 R410
R409 R408
R407
C411
R406
R404
R405
R61
100 R206
1 R101
IC1
R167
EB
R161 R160 51
R168
R65
C52
R401 50 Q151
C401 R52
C402 R54
R51 R53 R374
R68
C51
R64
W102
5 4 3 C410
R403
R55
C403
IC8 30 31 R59
1 2 R67
R314
R163
R164
R159
R402 R152 R155
Q153 R105 R154 R162
R313 R153
EB
R58
R56
R60
R104
R102
R103
R63
R186
R187 R62
R158
R157
Q154
R184
R185
W104 W103
EB
C165
BE
BE
R501
Q502 Q501
R166
R165
Q152
6
EB
7