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A B C D E

KDC-3025/325/5026/G
1 PC BOARD (COMPONENT SIDE VIEW)
ELECTRIC UNIT X34-3090-xx (J74-1453-42)




W34
W16 W33 J1
W19 W31


J2 IC4 9 16

2 13 11 12 8 4 3 2 2 24 8 1
J3
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
4
D202
D201




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-3025/325/5026/G
1



DAUGHTER UNIT SWITCH UNIT
X89-2570-10 (J74-1450-02) X16-2500-xx (J74-1569-12)
S1




W57
C1




AM




FM
W53


R2 C1




D3
R1 D1

16 Q21 R3 D2
R4
1 2
W58
E J1




RST
L1
R22 C21
D1 B 1
2
W55




L2
W51




S2
23




D1
D22




SRC
C20 D21
R11 15
16
R6




S1
W50
W49




IC3 R13




VCC
C22




VO
1 R7
R5 3




IC2
C23




D5
D6




AUD
R12
W52




C29




MENU




GND
D4
R9
W47




R10




ED1
R8
C25
C24




KI4
W48




KS4
C26

C28




KS5
KI2
1




1
D7
12

W54
4




D10
C27




S-MTR 2
D9



KI1
3




X2
D8




CNVSS
L11




C409
4




5
X1 BU5V
KS3
D401




D13




RESET
5



KI0
D12




KS2
6




X34-3090-xx X16-2500-xx
43
W46




IC Q Address IC Address
DISP




3 3F 2 3J 6
4 2C
D11




21 2G
AUTO




D32




D31




7


11
K L M N O

KDC-3025/325/5026/G
1 PC BOARD (FOIL SIDE VIEW)
ELECTRIC UNIT X34-3090-xx (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