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A B C D E

KDC-757
1 PC BOARD (COMPONENT SIDE VIEW)
ELECTRIC UNIT
X34-3010-22 (J76-0025-22)

PRE OUT
FRONT REAR



IC4
2

13 11 12 8 4 3 2 1 27
9 10 6 7 5 1 C521 2 26
J3 D515




D512
J2 D510
3 CN6 TH1 D516




R510
R515




R509
R511
R514
R513
R516




R512
C522 C520




R526
W3 C507 R522
R504 R528




R524




R525
C515 R521




R523
D511
L301 1 D504 D500 D503
R527 R529
C511
1
Q37 BE C404 C408
3
C517
C516 Q

C403
C451 Q404




D106
C518
C E
C470 B C407
R451




IC18
C435


Q53
Q38 EB
R450




C E
R418




5 4 D114
EB




C519
C406




8 1
R400 R454




R447 C426
R477 1 14
R452




D113
C523 R449




R448
R446 Q4
W400




IC19 R479 C427




EB EB

R4
W403




7 8 36 25 4 1




R3
C121
37 24 IC10
C400 W401




R404 C210
C401/




W402
C412 C409/




C425
R311
R310




R417 C429
C405 C402
C411 C410




C211 5 8 Q3
C424




4

L202
IC6




L201
CP209
IC14




1 5 C430 C212




R280
R414




48 13




CP208
3 4 CNVss C207
1 12




R285
R441 CP201
C459/W404 C434




C317
C433




Q56
C418
R281
R470 R469




BE R468 R273
X1




R471 R272
C460/W405




C319 100 76
R274
BE 1 75
C467


C477
C476
C466




Q57 CP207 WH1
C461 C201
33 23 C203 R208
24 C449 3 1
C478 IC1
X2




34 22 SCL
S2 R259
SDA R284
IC2 R214
C458 25 51 R253/W200
5
D518




C479 R252
44 12 BE R215 26 50
R213




R251
Q55
R464




R216




1 11 C457 R250
C311
C480
CP206
R225



R231




CP205
R223



R229




R241
CP202




CP204
R239
CP203




C453 C454

X3
1 16 4

IC12
8 9

CD 24 CN1 1
C300




P1
6
1 CN3 16
5
CN2
S1



2 1 22 1
C315 C316 C314




CN5 MD

D315
6 5
IC13
10 1
R309



Q44




EB
7
D302


14
F G H I J

KDC-757
1




2
9 16

8 1 B
J1



C2
R103
R101




15 C1
R102




Q8
L1 E
D516
D1

C9 B
R130 IC3
Q1
C3 E
R141




Q9
Q34




OGI D2
Q35




R133 R6
Q5
R132 EB C13 BE C E Q2 3
BE




R2
B B
Q29 EB C
R134




R16 E D3 BE
R121 C113




C112 X34-3010-22
R1




C6 E
C12 C4 Ref. No. Address
C5
R10




Q11
D4
D106




R9
EB
C10




Q28 Q10 IC1 5E
R18 D7 R15




C114
E B EB Q15
BE




Q30 B IC2 5C
R17




C11
IC3 3G
R20
C24




Q27 R122 IC21 C20
E
IC4 2D
Q16




BE OGI IC10 4E
C19




L2
IC13 7D
D6




CN7 C21 4
IC14 4C
IC20 5G
L3 C14 Q1 3H
1




1 5
R273 Q2 3H
IC7
D5




272
R274
Q3 4E
COR
5




P207 WH1 DET Q4 4E
Q5 3G
1




3 1 C17
Q8 2H
C16 IC20
Q9 3G
5




253/W200 Q10 3G 5
52
51 Q11 3H
50
C23




L4 Q15 3H
Q16 4G
Q27 4F
Q28 3F
4 3
Q29 3F
Q30 3F
C7
Q34 3F
2
Q35 3F
6
Q37 3C
5 Q38 3B
Q44 7E
Q56 4C
1
Q57 5C



A1



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

15
7
6
5
4
3
2
1




16
K




R5
KDC-757


ELECTRIC UNIT




Q17
L




E BE

C C
Q12




EB
C18
R14 R19 R7
Q6 C8
X34-3010-22 (J76-0025-22)




R11 Q7 R8




E BE
C C
E BE
C C


E




R12
Q13
B
R135




R22
Q19 R21 Q36 C118
R25 D112




EB
EB
D115 R131
R26 C119
D110




BE
Q18
PC BOARD (FOIL SIDE VIEW)




R128
R30 Q26
D111 R138




R127
R139




R116
EB
D501




EB
R27
EB
R505
M




Q33 R129 D103
Q21 R506 R117




BE

R23 R24 R28 R29
Q20 R507




B
D107 D105
R508


Q25




R120
D502 R115




E