Schematic Diagram - Audio/Headphone Boards - Sony SCD-C222ES Service Manual

6-18. SCHEMATIC DIAGRAM – AUDIO/HEADPHONE Boards – •
CN302
19P
GND
128FS
GND
L401
220
SDATAL
A5
GND
L501
220
SDATAR A4
GND
L301
220
64FS
GND
256FS
GND
L302
100
CDBCK
A3
GND
L303
(Page 44)
100
CDLRCK
A1
GND
L304
100
CDDATA
A2
GND
CDDATA_SUB
D306
1SS367-T3SONY
MODE
D307
1SS367-T3SONY
CN303
19P
MULTI
R305
100
SHIFT
GND
R306
100
DATA
GND
R307
100
LATCH
GND
INT
GND
L402
220
SDATALS
A7
GND
L502
220
SDATARS
A6
GND
L403
220
(Page 44)
SDATAC
A9
GND
L503
220
SDATALF
A8
GND C337
0.1
+3.3V-D
L311
3.3µH
AMUTE
C336
100 25V
See page 55 for Waveforms.
R301
22
R308 L310
22 N.F.
C305 R397
D303 100000p 0
1SS367-T3SONY
R312
C306 C411
22
47 25V 0.1
C332
0.1 C331
47
50V
CLOCK
BUFFER
IC304
SN74HCU04APWR
C303 X301
18p 11.2896MHz
R323 R325
1M 100
C344
47
C304 18p 25V
R310
100
R313
47
DIGITAL
FILTER,
D/A CONVERTER
C427
0.1
C308 C309 R398
R309 22
47 25V 100000p 0
R311
33
+3.3V REGULATOR
IC310
BA033T
O I
G
C339 C340 DIGITAL FILTER,
0.1 0.1
D/A CONVERTER
IC302
C338 CXD9658N
47
25V
C345
47
25V
R314
22
R399
C312 C313
0
47 25V 100000p
DIGITAL FILTER,
D/A CONVERTER
IC303
CXD9658N
C346
47
25V
• See page 59 for IC Block Diagram.
D301
1SS367-T3SONY 1SS367-T3SONY
Q303
DTA143TKA
-T146
MUTING
CONTROL
C333
SWITCH R328 C334 R327
1000
4.7k 0.1 0
10V
R324 100k
C307
47
C404
25V
0.015
63V
C402
330p
100V
ANALOG LOW-PASS
C401
FILTER
47 R461 R402 R403 C405
25V 6.8k 5.1k 5.1k 47 R407
5 8
63V 330
7
6
IC305(1/2)
NJM2114M-TE2
Q401
2SC3624A
MUTING
C412 C403
R401 R405 R404 R406
680p 470p
10k 6.2k 10k 100k
100V 100V
C512 C503
R501 R505 R504 R506
680p 470p
10k 6.2k 10k 100k
100V 100V
Q501
2SC3624A
MUTING
C505
C501 47 R507 R508
2 4
47 R561 R502 R503 63V 330 330
1
25V 6.8k 5.1k 5.1k
3
IC305(2/2)
NJM2114M-TE2
C502 C504
330p 0.015
100V 63V
D304
1SS367-T3SONY
C424
C311
0.015
47
63V
25V C422
330p
100V
C421 ANALOG LOW-PASS C425
47 R471 R422 R423 FILTER 47 R427 R428
25V 6.8k 5.1k 5.1k 63V 330 330
5 8
7
6
IC306(1/2)
NJM2114M-TE2
Q421
2SC3624A
MUTING
C428 C423
R421 R425 R424 R426
680p 470p
10k 6.2k 10k 100k
100V 100V
C528 C523
R521 R525 R524 R526
680p 470p
10k 6.2k 10k 100k
100V 100V
Q521
2SC3624A
MUTING
C525
C521 47 R527 R528
2 4
47 R571 R522 R523 63V 330 330
1
25V 6.8k 5.1k 5.1k
3
IC306(2/2)
C524
NJM2114M-TE2
0.015
C522 63V
330p
100V
C315
C447
47
0.1
25V
C442 C444
C441 330p 0.015
47 R481 R442 100V 63V
25V 6.8k 5.1k R447
5 8
330
7
6
R443
5.1k IC307(1/2) C445
NJM2114M-TE2 47
63V
Q441
2SC3624A
ANALOG LOW-PASS
MUTING
FILTER
C448 C443
R441 R445 R444 R446
680p 470p
10k 6.2k 10k 100k
100V 100V
C548 C543
R541 R545 R544 R546
680p 470p
10k 6.2k 10k 100k
100V 100V
Q541
2SC3624A
MUTING
C545
C541 47 R547
2 4
47 R581 R542 R543 63V 330
1
25V 6.8k 5.1k 5.1k
3
IC307(2/2)
NJM2114M-TE2
C542
330p
100V
C544
0.015
63V
47 47
J881
PHONES
C883 C882
1000p 1000p
(CHASSIS)
D302
Q301
DTA143TKA
-T146
MUTING
CONTROL
SWITCH
R315
100k
R413 C408 R414
220k 10000p 33k R418
3 8
56
1
2
R408
330 IC308(2/2)
R410 100
NJM4580E-D
R411 100
Q402
2SC3624A
R416
MUTING C316
C409 R415 R417 820k
100
33p 200k 270k
25V
R412
4.7k
R515 R517 R516
200k 270k 820k
R409
4.7k
R509
4.7k
HEADPHONE AMP
C317
100
25V
R518
6 4
R512 R514 56
Q502 7
4.7k 33k
2SC3624A 5
MUTING
IC308(1/2)
NJM4580E-D
R511
100 D305
1SS367-
R510 T3SONY
100
R513
220k
R326
100k
R430
100
Q422
2SC3624A
MUTING
C318
100
25V
R431
3.9k
C426
R429
100p
3.9k
100V
C526
R529
100p
3.9k
100V
R531
3.9k
Q522 C319 L308 3.3µH
2SC3624A 100
25V
MUTING
C335
220 10V
R530
100
L307 R317
3.3µH 1.8k
R316
Q302
22
2SC1623-T1
-L5L6
WAVE
SHAPER
C324
R448 R450 R318
100
330 100 1.8k
10V
Q442
C320
2SC3624A
100
MUTING 25V
D381
1SS352-TPH3
R451
3.9k
C321
C446 100
R449
100p 25V
3.9k R382
100V
10k
C546
R549
100p
3.9k R383
100V
10
R551
3.9k R381 L381
4.7k 3.3µH
Q542
2SC3624A
MUTING
R548 R550
330 100
SCD-C222ES
F881 L881
RV881
N.F.
1k/1k CN881
3P
-1
FB883 L883
-2
N.F. 6.8µH
C881
1000p
FB882 L882 RV881
N.F. 6.8 µH
PHONES LEVEL
CN301
9P
HP+UR
HP_GND
HP-UR
AU_+7V
AU_GND
AU_-7V
DAC_+5V
DAC_GND
(Page
MUTE3.3V
54)
CN305
L504 3P
L404
R419
4.7k
Q403
2SC3624A C410
2.2 L305
MUTING
Q503 C510
2SC3624A 2.2
MUTING
C323
R519
100
4.7k
25V
J301
2P
L
ANALOG
2CH OUT
R
L
FRONT
R
J302
6P
L
ANALOG
SURR
5.1CH OUT
R
CENTER
SUB WOOFER
(CHASSIS)
OUT
DIGITAL(CD)
IN
OUT OPTICAL
GND
C330 IC309
0.1 GP1F38T
OPTICAL
TRANSCEIVER
J303
1P
R320 C328
68 1
DIGITAL(CD)
R319 C327 R321
220 180p 100k OUT COAXIAL
C329
0.1
(CHASSIS)
Q381
2SC2412K
1
SIRCS J381
2
BUFFER 3
CONTROL
4
A1 II
5
C381
22000p
CN304
6P
GND
A1COLD
A1HOT
+3.3VD
D/O
GND
(Page 44)