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A B C D E

KDC-V6524
PC BOARD 1

(COMPONENT SIDE VIEW) (FOIL SIDE VIEW)
SWITCH UNIT X16-2242-70 A/2 (J74-1454-22) SWITCH UNIT X16-2242-70 A/2 (J74-1454-22)

D10 R23

D11




AM
KI4




FM
S24

CP1




C10




C11
ESD-GND
VOL A
ILL +B
C9 R25
D16
VOL B 2




R24
RST




FLIP DET

J1
1
2 RESET
KS5 D13 ILL GND




SRC
D7




R22
KS4 V-ILL DATA
CL
D12 D14 V-ILL CLK
CE




C8
KI5 CP52
KI4 D15 DO KI3
DI 15
16 REMO
KS4
D8 CP3
AUD




D-GND KI2
ED1




R15
3
1




D9 PANEL 5V
1




69




KI1




R21
KS5
2




Q4 Q3
D4
9




BE BE D17




R16
R19
R18
R17
Q1




R10
EB
R4 X16-2242-70
3




R2 C3
C4
D5 C2 R5
R3 Ref. No address


R11
R9
R6
R1
C1 IC1 4C 4
1 100 IC2 6B
4




KI5
C5
R26
IC3 5D
D6
C6 Q1 4D
CP5
KI2
25 76 Q2 5D
IC1 KS3
10




KS3
26 75 Q3 4D
5




D3
CP4 Q4 4C
Q2 KI1 Q50 5C
EB




KI3
50 51
R50 Q51 5C
CP50 C50
C51
C52




1 8
Q52 5C
6




C53




R52
R51




D2 C56
IC3 Q53 5D
4 5
Q54 5D
R61
R62
R63
24




C54
C55




5
Q57 Q56 R64




Q55 5D
25




Q50




Q54 Q53




EB EB EB Q56 5D
X16 B/2 X16 B/2 EB EB Q57 5D
DISP




Q52 Q51




EB
D1 C58 R56 R60 Q58 5D
EB
R59 Q58
R55 Q55




EB EB
C57
D50




R20
AUTO




R53
R54

R57
R58
R13




4 5 CP51
C60




C59 C62
C7




IC2
D51




C61




3 1


DAUGHTER UNIT DAUGHTER UNIT
X89-2602-70 (J74-1450-02) X89-2602-70 (J74-1450-02)
S1
6
R2 C1
R1 D1
R3
R4
J1


1
2




CN1
18
17
R11 15
16
R6
R13
R7
R5
R12
R9
R10
R8
1
2 7

9
Refer to the schematic diagram for the values of resistors and capacitors.
7
6
5
4
3
2
1




10
F




ELECTRIC UNIT
X25-9712-72 C1




W33
(J74-1447-12)
W2 W3
W6
J1




W31
J3
J2 IC4 9 16 Q21




IC6
IC4
IC3
IC2
IC1
D257
KDC-V6524



13 11 12 8 4 3 2 2 24 8 1
E
W34



9 10 6 7 5 1 1 25 R22 L1




TH1
R357 R358 W4 D255 D251 D253
D23




R355
R356




X25-9712-72


4I
3I


4F
C352




3H
2H
C351 W5




R37


W7
W8
C21




R351
R352
R31
C256
D22 D1
D256 D258
W32




D252
G




D308




IC7
C301 C302 C255




Q31
Q22
Q21
D301




Q201
Q351 EB
D254




R261
R262
R259
R260




Q352 BE
D25 D24




W11
D309
R21




C31
W35/L2
D21


W26
C257




R23
D307 R257 R32
C258 E C
D303 R33 W28 B
D304 C20 E C




5J




4H
3H
1G
1G
Q355 D311 W10
D31 Q22




BE
R363 W1 R8
J4 R361R359 C303 C254 C251 C252 C253
1




D32




D270
D269
D271
1 R362 R360 D310