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A B C D E

KDC-X579
PC BOARD 1
(COMPONENT SIDE VIEW) (FOIL SIDE VIEW)
SWITCH UNIT SWITCH UNIT
X16-2490-10 (J74-1566-02) X16-2490-10 (J74-1566-02)


AM




FM
D3




D2
2
RESET




KI4
C11




C10
CP1




VOL B




RESET
C8




ESD-GND
SRC




VOL A
VOL
S1
S2




D1
KI3




1
2
IFLIP DE




KI5
DGND+ILLGND
KI4




R21
VCC




R22
KS5




VO




3
KI5




ILL+B
EQ




IC2
D5
D6




C7




15
16
R10
GND
D4




J1
CE
ED1




Q2 BE R23
R11
REMO
KS4




PANEL 5V


DI CL




DO
CP2




R6
1




KI2
1




R8
69




R9
R7
D7




4
D21
D10




KI1

KS4
KI2
9
2




C6




KS5
R2


C4
C2
C3
D9




R3 R4

R5
3




R1
C1
D8




1 100 5
4




10




25
D11




76
IC1
26 75
5


KI1
D12




50 51
6




EB 6
KS3




Q4




R14
24




X16-2490-10 X16-2490-10
KI3
25




Ref. No. Address Ref. No. Address
R12




KS3
CLK




EB
IC2 3B IC1 5D
R25
Q3




Q2 3C
R24
D13




R33 R32
E B R31
Q3 6C
AUTO




Q4 6C
DIMMER
Q5




C12 C13 Q5 7C
D32




D31




Refer to the schematic diagram for the 7
values of resistors and capacitors.

11
F G H I J

KDC-X579
1 PC BOARD (COMPONENT SIDE VIEW)
ELECTRIC UNIT X34-3080-10 (J74-1447-42)



W2 W3
W6
J1

J3
J2 IC4
2
D257
13 11 12 8 4 3 2 2 24




TH1
9 10 6 7 5 1 1 25
R355

R356


R357 R358 W4 D255




R37
C351 C352
R351


R352



W5




W7
W8


R31
C256
Q351 EB


Q352 BE




D256 D2




R261/W203
R262/W204
R259/W201
R260/W202
D252
D308 C301 C302 D301 C255
D254
D309
C31
C257 R257
D307 R32




R33
C258
D303
3




D270 /W205
Q355 D311 D304
D31
BE




R363 W1 R8
J4




D269
D271
R361R359 C303 C254 C251 C252 C253




D32
R253
R254
1 R362 R360 D310 R9




C4
CN4 CN3




Q356




R364 BE BE
R376 BE




D4




EB Q31
Q350 Q354 D205 D204




R34
Q358




3
L3 EB CN6 D2




C32
4
R377




C354




R35
3
C353
Q357




6 EB D352 C33 7
1 4 1
C355
C360 IC6
IC10
A1 R373 D351 L10
4 C359 5 8 8
W104 C7
1 W101 SCL
D203




W103 R402


C304
C358 C211 R403 R315 SDA
R404 R407




R408
Q201




R372
R406
R204
C213




C403 R36
BE R401 C4
W105
W106
D358
D357
D356




R405




R371
R370
C216 C217 R203
C212
22 12 75 51
23 11 76 50 R28
C219
C210
R211




C221 IC2
5 IC1




R409
L6 C218
R212




33 1 R153
C220
L7 C208 34 44 R154
C224 C222 C226 R105 100 26
R102



R152




C209

R422
R216 R214 1 25
R104 R103
C202 C201
R56
R59



L8 C225 C223 C227 R209
R60
R163




R207
R151




R213
C207




CN5 R215 R208
R210
R158
R157

R55
R58
R54
R155
R156
R169




1
L9 2
C116
R113
C118




24 8 1 R112 CN2
R114 BU
6 D161 D154 D153 D158 23 1
C117 C115
IC7 24 2 R
D151 D157




9 16
P1

D162 D156D155D160D159D152
S1 C502

X3 2 CN1 18
1 17 D163 D




7


12
K L M N O

KDC-X579
1



DAUGHTER UNIT
X89-2570-10 (J74-1450-02)

C1 S1




W33
J1 R2 C1




W31
R1 D1

9 16 Q21 R3 2
257




W34
R4
8 1
E
L1 J1
R22
D255 D251 D253
D23
B 1
2
R31




C21
D22 D1


W32
D256 D258
W35/L2
W11




D25 D24




R21
W26
R23




C31 D21
R32
33




E C R11
W28 B 15
C20 E C R6
16 3
D31 W10 Q22
R13
8
1 R7
R9 IC3
W20

W24
C4




C22 R5
D4 R12
D3
W29




D2 R1 C23 R9
W30




R2
R10