Read Sony BMZ-K1 / CX-BK1 Service Manual online
CX-BK1
41
41
8-11. SCHEMATIC DIAGRAM – DECK Board (Except US model) –
•
See page 42 for Waveforms.
CN008
HRPE301
CN302
EP301
JR304
JR303
R404
FB301
R406
C404
R402
IC401(2/2)
R412
R415
R403
C403
R405
R407
R409
C411
C405
C406
C412
R410
R408
R401
C401
R323
IC301(1/2)
R314
C314
R316
IC301(2/2)
C315
R375
R315
R305
R308
C310
R310
C308
R307
C309
C307
R309
R306
C304
R304
C303
R303
C318
R322
C360
R376
C317
R321
R318
R317
C399
C410
R422
R417
C409
R419
Q443
R421
R423
Q307
Q305
R399
C413
C327
Q308
Q306
R424
R420
R418
Q444
R319
C462
C461
Q309
Q310
JR401
C456
C452
C325
C459
C458
C457
SFR452
SFR451
L451
Q453
Q454
R458
C460
R453
R460
R459
Q451
R457
C326
C407
C408
R425
R416
IC401(1/2)
R413
R411
R414
D401
R313
C313
R454
C454
C455
C453
R456
R455
C402
11P
8P
0
0
1k
0
47k
82p
120k
NJM14558M
TE2
15k
680
1k
82p
47k
1k
1.2k
10
50V
0.01
0.01
10
50V
1.2k
1k
120k
0.1
50V
50V
100
NJM14558M
TE2
18k
0.0068
390k
NJM14558M
TE2
220
16V
16V
1.2k
390k
220k
470
47p
56
100
10V
10V
470
47p
100
10V
10V
56
3.9k
0.0012
82k
0.0012
82k
0.1
50V
50V
0
220
16V
16V
1k
0.1
50V
50V
0
1.2k
1.2k
470p
0.0047
22k
10k
0.0047
1k
2SA1362G
22k
18k
2SJ460
2SJ460
1M
0.1
0.1
2SJ460
KRC104
S
18k
1k
10k
2SA1362G
4.7k
390p
390p
2SA1362G
2SA1362G
0
0.01
22
25V
0.1
560p
0.001
0.0056
33K
33K
KTC3198GR
KTC3198GR
100k
0.1
3.3k
33
15
2SA1981
Y
15
0.022
0.01
0.01
10k
680
NJM14558M
TE2
2.2k
15k
2.2k
1SS355
18k
0.0068
8.2
0.0027
0.0027
0.0027
18k
18k
0.1
50V
50V
A-GND
PB-L
REC-L
PB-R
REC-R
VM_A
REC/PB SW
REC-MUTE
DECK-D-GND
+12V
S
S
S
5
6
7
4
8
1
3
2
O-BIAS
(CHASSIS)
(REC/PB/ERASE)
ERASE
R-CH
L-CH
MUTING
MUTING
Q305-308
REC SWITCH
MUTING
MUTING
BIAS OSC
BIAS OSC
Q453,454
REC BIAS
SWITCH
REC AMP
PB AMP
8
1
2
3
7
4
5
6
R465 100K
R466
100K
(Page 46)
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