SRS-DB500 (serv.man2) - Sony Audio Service Manual (repair manual). Page 4

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SRS-DB500
SRS-DB500
4
4
2-2.  SCHEMATIC  DIAGRAM - AMP Board (1/3) -
(2/3)
AMP
BOARD
1
A
CONNECTOR
BOARD
CN801
2
BOARD
AMP
(3/3)
3
BOARD
AMP
(3/3)
3.3
1.8
0
0
3.3
0
3.3
3.3
3.3
1.7
3.3
1.7
3.3
1.5
3.3
3.3
3.3
1.7
3.3
3.3
1.7
1.7
3.3
1.8
1.6
3.3
3.3
1.7
1.7
3.3
1.8
1.6
1.7
3.3
1.7
3.3
1.7
1.7
3.3
3.3
3.3
1.5
1.7
1.7
3.3
3.3
3.3
3.3
0
0
0
1.5
3.3
1.8
1.5
3.2
1.6
1.5
1.6
3.2
3.3
1.7
2.5
3.3
3.3
2.5
1.7
1.6
3.3
5
2.5
1.3
3.3
3.3
1.8
5
8.9
1.3
8.9
1.7
1.6
3.3
5
2.5
1.7
2.5
2.5
3.3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
0.1
C401
0.1
C402
0.1
C403
0.1
C404
0.1
C405
0.1
C406
0.1
C407
0.1
C408
0.1
C451
0.1
C452
0.1
C453
0.1
C454
0.1
C455
0.1
C456
1
C491
10k
R457
100
R353
100
R308
100
R309
100
R409
100
R410
CL401
CL451
49.1MHz
X471
VDD
100
R479
100
R478
100
R474
100
R471
1M
R473
1000p
C472
10p
C473
5p
C474
1uH
L471
CL352
CL301
CL302
CL392
12.288 MHz
X472
R482
1M
C477
18p
VDD
C476
18p
R483
10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
31P
CN501
CL393
CL452
CL453
CL454
CL455
CL456
CL458
CL459
CL460
CL461
CL462
CL463
CL464
CL465
CL466
CL467
CL468
CL469
CL470
CL471
CL473
CL474
CL475
CL476
CL477
CL478
CL479
CL480
1000p
C392
10V
100
C393
10V
100
C471
C478
1
1
C479
E
ET401
E
ET503
0.1
C391
100p
C312
100p
C361
100p
C362
100p
C311
100
RB402
100
RB403
CL552
CL553
0.1
C363
CL457
R481
1k
FB501
FB502
FB503
100
R477
10
C359
10
C360
10
C308
10
C309
10
C358
10
C310
16V
10
C357
16V
10
C356
100
R405
100
R406
100
R456
100
R455
100p
C708
100p
C709
100p
C710
100p
C711
100p
C712
100p
C713
100p
C714
100p
C715
100p
C716
100p
C717
100p
C718
100p
C719
100p
C720
100p
C721
100p
C722
100p
C723
100p
C724
100p
C725
100p
C726
1000p
C727
1000p
C728
0.1
C313
47
R472
16V
100
C409
16V
100
C459
4V
47
C493
1000p
C492
0.1
C458
0.1
C457
100p
C742
100p
C744
100p
C745
100p
C746
100p
C749
100p
C751
100p
C752
100p
C757
10uH
L401
10uH
L301
10k
R574
100
R462
100
R412
100
R413
100
R463
D453
0
1000p
C756
1000p
C747
1k
R411
1k
R461
100
R488
100
R489
100
R490
100
R414
100
R415
100
R416
100
R352
100
R351
100
R486
100
R487
100
R484
100
R485
10
C302
0.01
C758
1k
R502
SM_NSP_MUTE
SM_NSP_MUTE
SM_LATCH2
SM_CLK
SM_DATA
SM_LATCH1
SM_OVF
SM_SOFT_MUTE
SM_INIT
(CHASSIS)
AMP BOARD (1/3)
2
3
4
5
6
7
8
9
10
1
SM_OTW
SM_RESET
DC_DETECT
SM_SD
SM_INIT
SM_NSP_MUTE
SM_SOFT_MUTE
SM_CLK
SM_DATA
SM_LATCH1
SM_LATCH2
SM_OVF
AUDIO_DATA
AUDIO_CLOCK
AUDIO_LATCH
HP_MUTE
P_CON2
POWER_METER
P_CON1
GND
GND
GND
3.3V
3.3V
E4V
GND
GND
GND
GND
GND
HP_DETECT
L
R
GND
9V
WF
POWER_METER
HP_DETECT
HP_MUTE
AUDIO_CLOCK
AUDIO_DATA
AUDIO_LATCH
POWER_METER
HP_DETECT
HP_MUTE
AUDIO_CLOCK
AUDIO_DATA
AUDIO_LATCH
HP_DETECT
AUDIO_DATA
AUDIO_CLOCK
HP_MUTE
P_CON2
P_CON1
POWER_METER
AUDIO_LATCH
SM_INIT
SM_NSP_MUTE
SM_SOFT_MUTE
SM_CLK
SM_DATA
SM_LATCH1
SM_LATCH2
SM_OVF
SM_OTW
SM_RESET
DC_DETECT
SM_SD
TK11118CSCL-G
IC491
IC491
+1.8V REGULATOR
CONT
GND
NP
CXD9788AR
IC451
IC451
STREAM PROCESSOR
XOVss
XfsoOUT
XOVdd
DVdd
DVss
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLATCH
OVFFLAGR
OVFFLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVdd
BFVss
TEST
DVdd
XfsiIN
FsoCKO
FsoI
HPOUTR2
HPVssR
HPOUTR1
HPVddR
HPOUTL2
HPVssL
HPOUTL1
HPVddL
XVdd
XfsoIN
XVss
Vsubc
VssR
OUTR2
VddR
OUTR1
VssR
VssL
OUTL2
VddL
OUTL1
VssL
CXD9788AR
IC401
STREAM PROCESSOR
IC401
XOVss
XfsoOUT
XOVdd
DVdd
DVss
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLATCH
OVFFLAGR
FsoCKO
FsoI
HPOUTR2
HPVssR
HPOUTR1
HPVddR
HPOUTL2
HPVssL
HPOUTL1
HPVddL
XVdd
XfsoIN
OVFFLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVdd
BFVss
TEST
DVdd
XfsiIN
XVss
Vsubc
VssR
OUTR2
VddR
OUTR1
VssR
VssL
OUTL2
VddL
OUTL1
VssL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
NC
GND
54
3
2
1
TC7SHU04FU(T5RSOJF)
IC471
CLOCK BUFFER
IC471
TC7SHU04FU(T5RSOJF)
IC473
CLOCK BUFFER
IC473
NC
GND
54
3
2
1
PCM1808PWR
IC301
IC301
A/D CONVERTER
BCK
DOUT
MDO
MD1
FMT
VINL
VINR VREF
AGND
VCC
VDD
DGND
SCKI
LRCK
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PCM1808PWR
IC351
IC351
A/D CONVERTER
VREF
AGND
VCC
VDD
DGND
SCKI
LRCK
BCK
DOUT
MDO
MD1
FMT
VINL
VINR
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TK11150CSCL-G
IC391
IC391
+5V REGULATOR
VOUT
VIN
CONT
GND
NP
54
3
2
1
VOUT
VIN
54
3
2
1
J
4
B
16
6
9
11
D
15
H
10
K
17
3
5
12
C
F
18
1
E
8
G
14
A
2
13
I
7
Refer to page
17 on original
service manual
(Page 5)
(Page 6)
(Page 6)
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