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

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3 7 6 3 1 5 1 5 0
7-10. SCHEMATIC DIAGRAM – DECK Board –
CN008
11P
PB-L
REC-L
PB-R
REC-R
A-GND
REC/PB SW
+10V
REC-MUTE
O-BIAS
(Page 44)
DECK-D-GND
+12V
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
.
http://www.xiaoyu163.com
• See page 66 for Waveforms.
R321
C317
0
0.1
R376 R317
50V
1k 1.2k
R313
18k
C345
180p
C315
R375 C351
220
1.2k 0.1
16V
R323
100
C344
180p
R322
C318
0
0.1
50V
C401 C360
C326
0.1 220
0.022
50V 16V
R401
120k
3
8
R403
1k
2 1
IC401(1/2)
NJM14558M R413
TE2 2.2k
C403 R405 R407 R409 R411
R415
82p 47k 1k 1.2k 15k
680
C411
C405 C407
10
0.01 0.01
50V
C412
C406 C408 R425
10
0.01 0.01
50V
C404 R406 R408 R410 REC AMP R416
82p 47k 1k 1.2k 680
R412
C402
15k
0.1
50V
6
R414
2.2k
7
R402 R404
120k 1k
5
IC401(2/2)
4
NJM14558M
FB301 TE2
0
R458
100k
Q451
2SB1116
REC BIAS
SWITCH
R457 R460
x a o 15 33 u 1 6 3
y
C460
0.1
R453 R459
3.3k 15
i
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8
3
8
C309
47p
1 2
IC301(1/2)
R315 NJM14558M
390k TE2
C313
0.0068 R309
56
C307
100
10V
PB AMP
C308
C352
100
0.1
10V
R310
R314 C314 56
18k 0.0068
R318 R316
6
1.2k 390k
7
C310
47p
5
IC301(2/2)
NJM14558M
4
TE2
Q Q
3 7 6 3 1
R419 R423
1k 18k
R421
Q443 22k
2SA1362G
MUTING
Q307
2SJ460
Q305
C327 C409
S 2SJ460
0.1 0.0047
C399 R399
470p 1M
R417 R422 C410
10k 10k 22k 0.0047
Q305-308
REC SWITCH
S
R418
D401 Q308
10k
MC2838 2SJ460
Q306
KRC104
S
R420 R424
Q444
1k 18k
2SA1362G
MUTING
C453 R455
0.0027 18k
C455
0.0027
Q453
KTC3198GR
Q453,454
BIAS OSC
C454
0.0027
R454
8.2
Q454
R456
KTC3198GR
18k
.
41 41
2 4
9 9 8
R306 JR303
3.9k 0
R307
470
R303
82k
C303
0.0012
C350
0.1
R305 R304
C316
220k 82k
220
16V
C304
0.0012
R308 JR304
470 0
C413
0.1
5 1 5 0 8 9 2 4 9
R319
S
15k
Q309
2SA1362G
MUTING
Q310
2SA1362G
MUTING
C461 C462
390p 390p
JR401
0
R465
100k
L451
BIAS OSC
SFR451
33K
C456
0.01
SFR452
33K
C458
0.001
m
R466
100k
C452
c o
22
C459 C457
25V
560p 0.0056
C325
0.1
CX-BK33
2
9 9
HRPE301
8 2 9 9
(REC/PB/ERASE)
CN302
8P
ERASE
R-CH
L-CH
EP301
(CHASSIS)