Schematic Diagram - Bd Board - Aiwa CX-BK33 Service Manual

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3 7 6 3 1 5 1 5 0
7-6. SCHEMATIC DIAGRAM – BD Board –
T E
L 1 3 9 4 2 2 9 6 5 1 3
CN104
11P
R261
A
MAIN R351 0
BOARD
(4/4)
FB351 0
CN507
(Page 45)
C121 0
B C122 0.1
MAIN
BOARD
(1/4)
R221 100
CN902
C314
R222 100
(Page 42) 1
R220 1k
R223 100
R224 100
R225 100
R226 100
R227 100
CN102
23P
w w w
.
• See page 66 for IC Block Diagrams. • See page 66 for Waveforms. • See page 72 for IC Pin Function Description.
R216
1M
FB102
0
C263 C259
47 4V 0.1
FB104
0
R271
R284
10k
220p
R279 100
R255 100
R257 100
R276 100
R259 100
C266
0.1
C226 C230
47 4V 0.1
R308
0
C253
R260 0.1
1k
0.1
FB103 0
R266
R265 C265
C261 C251 220
220 47
220
0.1 C264
4V
4V 47
4V
FB203
0
C268
C267 4700p 4700p
R230 150
R231 330
R232 330
R233 330
C227
0.1
R310 0
C316 0.1
R291 0 X201 16.9344MHz
R252
C254 22p
1M
FB204
C258 22p R253
0
1k
R249 560
IC121
BA25BCOFP-E2
R311
C260
L101 C231
0
100
1000
6.3V
6.3V
C229 C208
0.1 0.1 R318 0
C205
0.1
C202
0.1
R316 R321
0 0
R319
0
R314 0
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8
C203
1000p
C269
TP9
47 4V
CKO
C256 0.1
C257 0.33
C270 220p
C255
C249
0.1
0.1
D/A CONVERTER, C292
0.1
MP3 DECODER
IC104
TC94A20F-CX4
C250
0.1
TP2 TE R102
C272
0
C313
0.1
C215 C310
0.1
0.47
C216
C212
0.01
1500p
Q Q C224
1
C211
3 7 6 3
0.1
R303
R206
0
4.7k
C115
100 10V
C117
0.1
TP3 SE
TP4 FE
R166 1k
R168 1k
DIGITAL SERVO,
R167 0
DIGITAL SIGNAL PROCESSOR
R169 0
IC101
CXD3068Q C222
0.1
R219
1k
R309
0
FB161
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.
37 37
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2 4
9 9 8
R111 150k
C116 0.1 B
TP5
RFACI
C213 3300p
C107 TP8
R104 R120
33p RFAC
15k 120k
15k
R105 1k C112 0.1
R126
R103 C109 0.1
100k
R125
R116
33k
R117
RV101
120k
47k
R114
E-F Balance
390k
1 (1Track Jump) 5 1 5 0 8 9 2 4
R101
TP6 R113
0 2.7k
RFDC C110
0.1 B
TP7 R122
VC 100k
C111 C108
47 4V 0.1
R118
10k
R133 2.2k
R132 330k
R131 68k
C133
C131
2.2
0.068
C132 0.022
C151
0.1
IC102 AN41020A
C152 R155
0.1 0
m
L163
R151
C156 0
100k
0.01
C150 C169
220 10V 220 10V
R152 2.2k
c o
CX-BK33
2
9 9
CN101
16P
39k
39k
C119
C118
1 1
9 8 2 9 9
C114
1000p
Q101
2SB970
C113
100
R123
10V
3.3
A-MAX. 3
M102
M101
C153
0.1
TP1
SP
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.