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A B C D E

KDC-MP4026V
PC BOARD 1
(COMPONENT SIDE VIEW) (FOIL SIDE VIEW)
SWITCH UNIT SWITCH UNIT
X16-2640-21 (J74-1561-02) X16-2640-21 (J74-1561-02)




CLK
FM




KI2
Q3




D29
D19
EB




W2




KI3
KI2
D27



R13
D17




KS2
R12
D28
D18

EB
KI3 R33 2
KS3 Q2
KI4
KI5 6




KI1
KI5
AM




KI4
KS4
5
56




KS4
KS2
D26
D16




KS3

KS5
3
4




40 25
41 24
3
D25
D15




IC1
ED1




64 1 4
2




65 80
C1
R1
R4
Q1
R32
1




EB


C3
C4
D14
D24




C2
W1
1




PAN 5V
2




R3
R2
RST




RST




L-RES
L-DATAL 5
R5 D31
SRC




L-CE
R6 D32
L-CLK R7
R8 D33
L-DATAS
R9 D34
14




REMO D35
15




R11




D-GND
J1




SW5V
1




D6
D4




D36
ILL-GND
VOL




D1
UP




DWN
VOL




ESD-GND




6
C13




ILL+B
C11




R22 R21
AUD




X16-2640-21 X16-2640-21
D9 R23
D10
D13
D23




D3 Ref. No. Address R29/C12
Ref. No. Address
R42
R41




D7 IC2 7A R24 R25 IC1 4C
D8
R31




D2 R27 R28
Q1 4C
R10
TI




KS5
KI1
D12
D22




C5
1


3




PANEL SW
D11


D21




ATT




IC2
Refer to the schematic
diagram for the values of 7
2


4




resistors and capacitors.

11
7
6
5
4
3
2
1




12
F




B E W238
B E Q24
W237
R407 C19 D21 Q21




IC9
C21




EB
W236 W38 R21




R43
R44
KDC-MP4026V




D402
Q401 R64 R41 C27 W235
W234




W40
EB E
C1




C C




R65
W233 CN2 R42
Q22




IC3
W232 24 2




BE
C45 Q41
G




R51
23 1 D41




L2/W239




R60
W230




R59
4 2 C41
W37 R62 R66 12 1
R56 R52




W231
W225 5 1 W224 W223




R425
D524




W36
D1




W228

W229
W222 W220

W227
W221
W219
D26




W215
C26
L1




W217 W218 L12
1




W216
16




C202
C25




W226
W213 W214 Q23 W34
W33




W35
W212 C42
C20

W211




L11
PC BOARD (FOIL SIDE VIEW)




C22




C C
W32




EB E
R54 R61 W209 D22
D23




W210 W208
R23




C29
R22




W31 C28
H




W207




3 4
2 1
R58




C409 IC8
W206
W203




R57
C33




C406
W202 R1 D24




C24
R410 C43 C30 D25


C23
W201




W204
W205
R162 R160
R314 W41 W200
R63
8
9




D3
D2

C410
D5
W198 BE R2




X1
W197 W196 W195
J1




Q1 R3




60
R53




61
D526
R12 W194 R24 W193 W192




R55
W30 W191




C201
R31




W29
R272
W188 D255




10.0MHz
C3




Q4
R4 W187




EB
C31

R32




W186
C408 R13 R5
D523




3
W177


R25 C32 D253 D257 W185




W28
R6 C4
Q2
R9




EB




W184




R523




80
R8




R26 R520
W183




R420
R431

CN5




IC1
R430 D522 W182




1
C407




1
R28




41 40
D4
R7




D258




X2
R417 C521 R522




8
7
R416 R27 W181
R422 D31 TH1