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A B C D E

KDC-MP922/X869
1
PC BOARD (COMPONENT SIDE VIEW)
ELECTRIC UNIT X25-9640-1x (J74-1473-12)


CN1
CN2 12 2 IC4
11 1
2
1
R263




2 24
R262
R264




C100
9 16 1 25
2
8 1 L1
R48
R46


R47




J1 D1 C277 C272 C274 C273
Q24 C215
Q13 C205 R29
E


Q12 Q11




BE R49
C275 C27




D14
R42




D15
C203
C204
B




BE 5 4
MUTE




C297
C298
IC18
W3




R14
Q8 R6 8 1 22 12




C250
BE
Q7
E




1 28 23 11
I GO

IC2
B




EB




Q6 C264 C265
R7 R244
IC3 8 5
C299 C259 CN3
3
BE BE

IC5 33 1
R34
C41




Q1 C3 D504
IC13 Q208 34 44
E




Q207 C269 C268
D17




C300 R508




C219
C8




C218
R33 1 4
R245 R503 16
B




R221 15 C234 15
C240


EB 14 R504
Q25




8 5
D16




C267 Q203 R219
BE BE




R609 24 13 C238
Q9 IC11
Q204




25 12
R32
E




C5 C201 C202
R608




C266 IC6 C233
C6 1 4 R220 R217




R218
B




R232 36 1 R205
Q26 8 5 CLK DATA



R624
37 48

R623
C229
EB C270
BE BE




C9 Q206 C241 C226 X25-9640-1x
IC12 C227
C228
C223
C222




IC20
C43




Q205 IC Q Address
R35




R625 R626
C42




C700 5 4
1 4 R233
1 5D
R170




4 8 1 TEST
C271 R164
C30 R184
R180




2 3D
R169

R167
C48



Q15 R183 R163
R162
R172
R171




E B 3 3A
R179




D7 C31 R101 R160
25 1 R159
26 100
4 2E
L102
X2




6 5 4 D8
R153
5 3D
R102




R152
X1




IC1
6 4D
C36 R186
C101 R148 11 3C
R144 R145
R106 R143
R108 50 76
12 4C
R107 R142 R146
R109 51 75 R136
R141 13 3C
R526




R119 R121 R123 R134
5V R525 R135
R120 R133 18 3B
R131
R127
R129
R122




5 CN4
20 4C
RST
1 3A
6 3B
24 1
7 3A
8 3A
1 2 3 9 3A
1 28
CN6 11 2A
A2
12 2A
C18 L2 C12 CN5
15 1 13 2A
6 15 4C

C16 C10 24 2B
P1




25 3B
L3 C23
26 4B
203 3C
204 3C
205 4C
206 4C
207 3C
208 3C
7
Refer to the schematic diagram for the values of resistors and capacitors. 305 4F

16
F G H I J

KDC-MP922/X869
1



SUB-CIRCUIT UNIT SWITCH UNIT
X16-2120-10 (J74-1478-12) X16-2170-10 (J74-1482-12)




D12
S15




S14
24




D13




TUN
18
25 W2 2
C279




S9
R261




S10
6
A1




D6
C275 1
C278 C206 L7




S5
5




FM
S4
D5
CN3 3




S19
AM
4
CN7




S3
4
2 1
2
1 C314 L305




D4




RST

S20
L307




S8
R308




3
Q305
R307




D9
C311 BE




D3




SCRL
R306 R305




S12
L306
C502
X3
24
4




S13




D8
2




D14
D2




AUTO

S7
D7
S18
1


Q1




EB
D15
D1



Q3




D11
BE




SRC
S17
D20




MENU
Q2




S2
BE
5
D19
CONTROL
VOLUME
S21




D18
ATT
S1
ED1




D16
1




6
S11




3 4
D17
S6




IC3
D10




1 2
D17




X16-2120-10 X16-2170-10
IC Address Q Address
3 6H 1 5J
7
2 5I
3 5I
17
K L M N O

KDC-MP922/X869
1
PC BOARD (FOIL SIDE VIEW)
ELECTRIC UNIT X25-9640-1x (J74-1473-12)




D211



D209

D210
D212
D214

D213

D215

D216
C2


BU

TH1
2 R260
R259
D301




D208




C276
GND




R31
D207




C214
R257
R256




L201
Q23




C209
R201
C210
C208
GND




R204 EB
D206 D205
FM+B Q202
C207

EB C217




D13
D12



D10
D501 BE C216
C303




8 5




Q201
AM+B C213



C211
R502