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A B C D E

KRC-597/597Y
1 PC BOARD (COMPONENT SIDE VIEW)
SYNTHESIZER UNIT X14-9182-71 (J74-1446-42)


J2 W30 W46




W47
W31 J1
W44




W48

W50
J4 IC4 9 16

2 13 11 12 8 4 3 2 2 24 8 1
9 10 6 7 5 1 W57 W53
J3 1 25
C351




W40 W54
D256




W64
W42 W55
C1
D258 W43 W56
C352




W35
C303 D254
C256
W21 D252
D271




D23
CN3 C255 R8




D22
D307 D304 C252 C251 C258
C254




W66
D3
1 3




R22
R23
C301
D302 C253




R31
R17
D303




R14
R9
D308




W68
W20 C




D270
C302




D269
D301
W3 W18
3




W41
W45
D311




W38
C23
C353
L3




W37
W19 W49

W28
D309


W29
D2
C354




D310 C211
A1 W39
W25
W34 C24
1 D31




D4
W23
W24
W22




L10
D203




C26
W65

W61
L6




W67
W69


W73
W72
C207
W58




W77
W76
W74
W11




W59
4
W6
W9




W27
W60
W13
W15
L7




C
W62
CLK
W63




C58
X3
DATA
W12
W10




L8
CN2
4.332MHz
D52




C115
W16
W5
W7




1 2

24
C117

5
W4




1
D51




2 P1
C54
CN6
W1




D161




R13
D155
D160
D162




D152




X2
D157
D151
D158
D154
D153




11
12 W70 GND
L11


S1 W71 5V
D401 32.768kHz X1
R52 CN1
C164




17 1
8.38MHz W75
B E 18 2
SBO2
Q51 SBT2 SBI2
6




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

12
F G H I J

KRC-597/597Y
1



DAUGHTER UNIT SWITCH UNIT
X89-2570-11 (J74-1450-02) X16-2502-70 (J74-1568-02)

S1




AM




FM
R2 C1




D3
R1 D1
16 R3 D2
1 R4 2




RST
L1 J1
W79




1
2




S2




D1
D1 W84




SRC
D23




W81
D24
D25




R11 15
R22
R23




16
R6




S1
R13




VCC

VO
C22
R7




D5
IC3 3
C23 1




IC2
R5




D6




AUD
2




MENU
R12




GND
D4
C29 R9
R10




ED1
C24
R8

C25




KI4


KS4
C26 12




KS5
KI2
C27 13




1
C28




1
D7
W77
W76
W74




4



D10
C70

C60
CN5




2
W78

W80

W82
C67




1
D9



KI1
2
W83




4
5
3
D8




VR2 R
4




C69
5
KS3
D13




VR1
L
5




R 3
KI0
D12




GND
L11




L 1
KS2




5V
6




CN9
43




W75


C409 X14-9182-71 X16-2502-70 6
DISP




IC Q Address IC Address
D11




3 3F 2 3J
AUTO




4 2C
51 6B
D32




D31




7


13
K L M N O

KRC-597/597Y
1 PC BOARD (FOIL SIDE VIEW)
SYNTHESIZER UNIT X14-9182-71 (J74-1446-42)




D257




R261


R262
C260




TH1
C265




D255
2




C262




R352
R358
C263
C261




D251
C2




D253




C264




R307




R311
R308
R301
R305




R310
R303




R302




R309
R306
R304
C259




R259
R260
Q6




C266
EB



R252
C8
R251
C20 R18
B E Q5


C4




R312
3
W103




C21 W104
R2
R1




C7
R15
R4




R5 R255
C3
R3
EB




7 1
EB




R6
C210
C6




Q2 BE
Q1
R7

IC6
Q350
R10 28 15
EB




R32 Q3 8 14




R313
C31 C5 IC2




R315
C304
R314
Q4
EB 1 14
R12




C204




R203
C205