DOWNLOAD Sony SCD-XB770 Service Manual ↓ Size: 6.98 MB | Pages: 86 in PDF or view online for FREE

Model
SCD-XB770
Pages
86
Size
6.98 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
scd-xb770.pdf
Date

Sony SCD-XB770 Service Manual ▷ View online

SCD-XB770
41
41
5-16. SCHEMATIC  DIAGRAM  – AUDIO/HP Boards –
 See page 48 for Waveforms.
 See page 51  for IC Block Diagram.
R418
R427
R510
R509
C525
CN301
CN306
R519
R516
J303
CN304
C329
R321
C327
R319
R318
C324
C325
R320
C328
L308
R317
R316
L307
IC308(2/2)
R514
C508
R513
R517
R515
C509
C409
R415
R417
IC308(1/2)
R414
R413
C408
D302
R315
C334
R328
C333
R410
R408
R407
Q402
Q401
C
4
0
7
C
4
0
6
R411
R512
C
5
0
7
C
5
0
6
Q502
R511
Q501
R508
R507
R326
D305
D304
C
4
2
6
C
5
2
6
R430
R531
Q422
R428
R529
Q522
Q521
Q421
R530
R528
R527
R450
R448
Q442
C
4
4
6
C
5
4
6
R551
R549
Q542
Q441
Q541
R550
R548
R547
C545
C542
IC307(2/2)
R544
C543
R545
R543
C443
R445
R444
C442
IC306(2/2)
C522
R524
C523
R523
R424
R446
R546
C445
C425
R426
R526
C505
C502
IC305(2/2)
R503
R502
R504
R505
C503
C403
R405
R404
C405
R506
R406
R403
C402
R324
Q303
D301
C412
R401
R461
R402
C341
C340
C305
C512
R501
R561
C344
C309
C308
C342
C311
R423
R422
R471
C421
R421
C428
C423
R425
R525
C528
R521
C521
R571
R522
C345
C315
C343
C313
C312
C441
R441
C448
R481
R442
R443
C548
R541
C541
R581
R542
C346
IC301
R311
R312
R330
C332
C339
IC310
D308
L310
R329
IC304
C303
R
3
2
3
X
3
0
1
C304
R310
L401
L501
L301
L302
L303
L304
R305
R306
R307
D307
D306
L402
L403
L502
L503
C337
CN303
CN302
C422
IC306(1/2)
IC307(1/2)
R447
L601
L602
CNP601
C603
L606
L607
L604
C601
C604
L605
CN305
L305
R327
C322
C323
R416
J302
J301
L309
C320
C321
C444
C544
C424
C524
C318
C319
C504
C404
C316
C317
C401
C501
C338
C331
C307
C336
L603
RV601
J601
R518
L404
L504
C335
C330
Q302
R325
R449
R451
R431
R429
IC305(1/2)
R412
R409
Q403
R419
Q503
IC309
R313
C306
Q301
IC302
IC303
R322
56
560
100
4.7k
47
63V
6P
3P
4.7k
820k
1P
3P
100000p
100k
220p
220
1.8k
100
16V
22000p
68
1
50V
1.8k
22
NJM4580E-D-TE2
33k
10000p
220k
270k
200k
33p
33p
200k
270k
NJM4580E-D-TE2
33k
220k
10000p
1SS367-T3
100k
100000p
4.7k
2200
6.3V
100
560
560
2SC3624A
2SC3624A
1
0
0
p
1
0
0
p
100
4.7k
1
0
0
p
1
0
0
p
2SC3624A
100
2SC3624A
560
560
100k
1SS367-T3
1SS367-T3
1
0
0
p
1
0
0
p
100
3.9k
2SC3624A
560
3.9k
2SC3624A
2SC3624A
2SC3624A
100
560
560
100
560
2SC3624A
1
0
0
p
1
0
0
p
3.9k
3.9k
2SC3624A
2SC3624A
2SC3624A
100
560
560
47
63V
330p
100V
NJM2114M-TE2
10k
470p
100V
6.2k
5.1k
470p
100V
6.2k
10k
330p
100V
NJM2114M-TE2
330p
100V
10k
470p
100V
5.1k
10k
100k
100k
47
63V
47
63V
100k
100k
47
63V
330p
100V
NJM2114M-TE2
5.1k
5.1k
10k
6.2k
470p
100V
470p
100V
6.2k
10k
47
63V
100k
100k
5.1k
330p
100V
100k
DTA143TKA-T146
1SS367-T3
680p
100V
10k
6.8k
5.1k
100000p
100000p
100000p
680p
100V
10k
6.8k
10
50V
100000p
47
25V
100000p
47
25V
5.1k
5.1k
6.8k
47
25V
10k
680p
100V
470p
100V
6.2k
6.2k
680p
100V
10k
47
25V
6.8k
5.1k
10
50V
47
25V
100000p
100000p
47
25V
47
25V
10k
680p
100V
6.8k
5.1k
5.1k
680p
100V
10k
47
25V
6.8k
5.1k
10
50V
CXD9658N
330
330
22
22000p
100000p
BA033T
1SS367-T3
N.F
22
SN74HCU04APWR
18p
1
M
1
1
.2
8
9
6
M
H
z
18p
82
100
100
0
220
220
220
0
0
0
1SS367-T3
1SS367-T3
100
100
100
100
100000p
19P
19P
330p
100V
NJM2114M-TE2
NJM2114M-TE2
560
N.F
N.F
3P
1000p
0
0
JW
1000p
22000p
0
3P
0.47
50V
0.47
50V
820k
6P
2P
47
25V
47
25V
0.01
100V
0.01
100V
0.01
100V
0.01
100V
47
25V
47
25V
0.01
100V
0.01
100V
47
25V
47
25V
47
63V
47
63V
470
25V
47
63V
470
25V
47
63V
N.F
1k/1k
56
220
16V
100000p
2SC1623-T1-L5L6
100
3.9k
3.9k
3.9k
3.9k
NJM2114M-TE2
4.7k
4.7k
2SC3624A
4.7k
2SC3624A
GP1F38T
330
470
25V
DTA143TKA-T146
CXD9658N
CXD9658N
0
A1
A2
A3
A4
A5
A
1
A
2
A
3
A
4
A
5
A
3
A
4
A
3
A
4
SDATAL
SDATAR
D/O
3
2
6
5
1
7
3
2
1
5
6
7
A+7V
A-7V
DAC+5V
DACGND
A+UR
A-UR
GND
+3.3V
128FS
CDBCK
CDLRCK
CDDATA
SHIFT
GND
GND
GND
GND
GND
GND
GND
GND
DATA
LATCH
AMUTE
GND
GND
GND
GND
GND
GND
GND
GND
GND
1
2
3
5
6
7
1
3
5
6
7
2
(CHASSIS)
(CHASSIS)
R
L
G
(CHASSIS)
-1
-2
PHONES LEVEL
PHONES
HP GND
POWER MUTE
R
L
G
AGND
Q403,503
MUTING
HEADPHONE
AMP
L
R
L
R
L
R
CENTER
SUB WOOFER
ANALOG
2CH OUT
FRONT
SURR
ANALOG
5.1CH OUT
OUT
IN
GND
OPTICAL
TRANSCEIVER
WAVE
SHAPER
DIGITAL(CD)
OUT
OPTICAL
DIGITAL(CD)
OUT
COAXIAL
MUTING
MUTING
MUTING
MUTING
4
8
4
8
MUTING
MUTING
MUTING
MUTING
ANALOG
LOW-PASS
FILTER
MUTING
MUTING
MUTING
MUTING
4
8
MUTING
CONTROL
SWITCH
MUTING
CONTROL
SWITCH
O
G
I
+3.3V REGULATOR
CLOCK
BUFFER
D/A CONVERTER
D/A CONVERTER
64FS
256FS
MODE
MULTI
INIT
SDATALS
SDATARS
SDATAC
SDATALF
+3.3V-D
RV601
8
4
D/A CONVERTER
DIGITAL FILTER,
DIGITAL FILTER,
DIGITAL FILTER,
CDDATA_SUB
3.3
µ
H
3.3
µ
H
L311
33
µ
H
ANALOG
LOW-PASS
FILTER
ANALOG
LOW-PASS
FILTER
(Page 38)
(Page 38)
(Page 38)
(Page 47)
(Page 47)
SCD-XB770
42
42
5-17. PRINTED  WIRING  BOARD  – AUDIO Board (Component Side) –
 See page 31 for Circuit Boards Location.
AUDIO BOARD   
(COMPONENT SIDE)
1-681-002-
11
(11)
SCD-XB770
43
43
5-18. PRINTED  WIRING  BOARDS  – AUDIO (Conductor Side)/HP Boards –
 See page 31 for Circuit Boards Location.
D301
E-8
D302
E-8
D304
C-8
D305
C-8
D306
E-5
D307
E-5
D308
E-4
IC301
E-5
IC302
E-6
IC303
E-7
IC304
D-4
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
IC305
C-5
IC306
C-6
IC307
C-7
IC308
C-4
IC309
A-7
IC310
E-4
Q301
E-8
Q302
B-8
Q303
E-8
Q401
B-5
Q402
B-5
Q403
B-4
Q421
B-7
Q422
B-6
Q441
B-8
Q442
B-7
Q501
B-5
Q502
B-5
Q503
B-4
Q521
B-6
Q522
B-6
Q541
B-7
Q542
B-7
• Semiconductor Location
AUDIO BOARD
(CONDUCTOR SIDE)
R
L
R
L
ANALOG
2CH OUT
SUB
WOOFER
J301
ANALOG
5.1CH OUT
J302
FRONT
R
L
CENTER
SURR
DIGITAL (CD)
OUT
COAXIAL
J303
DIGITAL (CD)
OUT
OPTICAL
IC309
1
3
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
3
POWER
BOARD
CNP902
1
1
3
E
E
1
6
1
3
H
1
3
D
MAIN BOARD
CN702
C
MAIN BOARD
CN701
MAIN
BOARD
CN704
B
POWER
BOARD
CNP902
G
1-682-002-
11
(11)
1
3
–1
–2
1-681-008-
11
(11)
PHONES LEVEL
RV601
PHONES
J601
HP BOARD
A
B
C
D
E
1
2
3
4
5
6
7
8
L311
(Page 46)
(Page 34)
(Page 34)
(Page
 46)
(Page
 34)
SCD-XB770
44
44
DISPLAY BOARD
4
1
66
1
FL801
FLUORESCENT INDICATOR TUBE
E
E
E
1
3
D803
MULTI-
CHANNEL
J
POWER BOARD
CN905
1
3
OPEN/CLOSE
H
X
x
j
J
3
1
4
S830
ROTARY
ENCODER
5
AMS L
PUSH ENTER
F
MAIN BOARD
CN706
1-681-006-
11
(11)
S801 – 809, 812
KEY BOARD
MENU
S803
MULTI/2CH
S805
TIME/TEXT
S812
SACD/CD
S814
4
1
1-681-009-
11
(11)
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
12
5-19. PRINTED  WIRING  BOARDS  – DISPLAY/KEY Boards –
 See page 31 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D803
D-4
IC801
B-3
IC802
B-6
Q801
B-6
Q802
B-5
Q803
B-5
(Page 46)
(Page 34)
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