Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
2222
6-7. BLOCK DIAGRAM – POWER AMP Section –
(Page 20)
T
(Page 20)
V
50 DSDL 24OUTL1+
49 DSDR
DSDL
DSDR
48 DSD64FS
64FS
45 LRCK
LRCKO
44 BCK
BCK
43 DATA
DATA L/R
41 INIT
INIT
38 SCDT
SCDT
37 SCSHIFT
SHIFT
36 SCLATCH
LAT1
34 MODE1
64 XFSIIN
73 FSOCLK
MODE1
28
XFSO IN
77
XFSOOUT
HEADPHONE AMP
IC1481, 1482
21OUTL1–
DED TIME
IC1511
DED TIME
IC1521
18OUTL2+
15OUTL2–
5HIN
6 LIN
3HOUT
4HSCT
8LOUT
DIGITAL POWER AMP
IC1531
5HIN
6 LIN
3HOUT
4HSCT
8LOUT
DIGITAL POWER AMP
IC1541
TH1791, Q1791, 1781, 1771
TH1793, Q1793, 1783, 1773
TH1794, Q1794, 1784, 1774
TEMP
DETECT
BOOSTER
Q1651, 1671
PROTECT
Q1721
PROTECT
Q1751, 1761
BOOSTER
Q1661, 1681
LPF
LPF
74 FSOI
SCK
50 DSDL 24OUTL1+
DSDC
48 DSD64FS
64FS
45 LRCK
LRCKO
44 BCK
BCK
43 DATA
DATA C/SW
41 INIT
INIT
38 SCDT
SCDT
37 SCSHIFT
SHIFT
36 SCLATCH
LAT2
34 MODE1
64 XFSIIN
MODE1
SCK
41 INIT
INIT
38 SCDT
SCDT
37 SCSHIFT
SHIFT
36 SCLATCH
LAT3
34 MODE1
64 XFSIIN
MODE1
SCK
28
XFSO IN
77
XFSOOUT
21OUTL1–
DED TIME
IC1513
DED TIME
IC1523
18OUTL2+
15OUTL2–
5HIN
6 LIN
3HOUT
4HSCT
8LOUT
DIGITAL POWER AMP
IC1533
5HIN
6 LIN
3HOUT
4HSCT
8LOUT
DIGITAL POWER AMP
IC1543
BOOSTER
Q1653, 1673
PROTECT
Q1723
PROTECT
Q1753, 1753
BOOSTER
Q1663, 1683
LPF
LPF
74 FSOI
50 DSDL 24OUTL1+
49 DSDR
DSDSL
DSDSR
48 DSD64FS
64FS
45 LRCK
44 BCK
BCK
LRCK
43 DATA
DATA SL/SR
41 INIT
INIT
38 SCDT
SCDT
37 SCSHIFT
SHIFT
36 SCLATCH
LAT4
34 MODE1
64 XFSIIN
MODE1
SCK
48 DSD64FS
64FS
45 LRCK
44 BCK
BCK
LRCK
43 DATA
DATA BL/BR
28
XFSO IN
77
XFSOOUT
21OUTL1–
DED TIME
IC1514
18OUTL2+
15OUTL2–
5HIN
6 LIN
3HOUT
4HSCT
8LOUT
DIGITAL POWER AMP
IC1534
5HIN
6 LIN
3HOUT
4HSCT
8LOUT
DIGITAL POWER AMP
IC1544
BOOSTER
Q1654, 1674
PROTECT
Q1724
PROTECT
Q1754, 1764
BOOSTER
Q1664, 1684
LPF
LPF
74 FSOI
50 DSDL 24OUTL1+
49 DSDR
DSDSBL
DSDSBR
28
XFSO IN
21OUTL1–
DED TIME
IC1516
18OUTL2+
15OUTL2–
5HIN
6 LIN
3HOUT
4HSCT
8LOUT
DIGITAL POWER AMP
IC1536
5HIN
6 LIN
3HOUT
4HSCT
8LOUT
DIGITAL POWER AMP
IC1546
BOOSTER
Q1656, 1676
PROTECT
Q1726
PROTECT
Q1756, 1766
BOOSTER
Q1666, 1686
LPF
LPF
74 FSOI
DED TIME
IC1524
DED TIME
IC1526
1
I LIMIT
32
DC PRO
TEMP
50
F-A RY
47
F-B RY
35
DIAG
SP-A SP-B
TEMP
58
HP RY
HP-RY
Q1891
D1891
Q1892
36
EN
HPSW
46
LAT1
45
LAT2
LAT1 LAT2
44
LAT3
43
LAT4
LAT3 LAT4
38
INIT
51
SHIFT
INIT SHIFT
37
MODE1
DATA L/R
DATA L/R
DATA C/SW
DATA C/SW
DARA SL/SR
DATA SL/SR
DATA BL/BR
DATA BL/BR
LRCKO
LRCK
64FS
64FS
SCK
SCK
SCDT
SCDT
BCKO
BCKO
DSDL
DSDR
DSDC
DSDW
DSDSL
DSDSR
DSDSBL
DSDSBR
BUFFER
IC1910
DSDL
DSDR
DSDC
DSDW
DSDSL
DSDSR
DSDSBL
DSDSBR
4
2
CLOCK OSC
IC1471
X1471
49.125MHz
HP SW
RELAY DRIVER
Q1480
HP-RY
RELAY DRIVER
Q1680
SP-A
RELAY DRIVER
Q1690
SP-B
RY1480
RY1680
RY1690
R-CH
L
A
R
L
R
TM1710
TM1730
PHONES
J1086
+
−
+
−
+
−
+
−
+
−
TM1740
+
−
L
TM1760
+
−
L
TM1750
+
−
R
R-CH
TM1770
+
−
R
(STR-DA2000ES)
(STR-DB2000)
R-CH
HPSW
R-CH
PCM/PWM
PROCESSOR
IC1401
PCM/PWM
PROCESSOR
IC1402
PCM/PWM
PROCESSOR
IC1403
PCM/PWM
PROCESSOR
IC1404
MODE1
SUB SYSTEM
CONTROLLER
IC1800 (2/2)
49 DSDR
DSDW
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: AUDIO (DIGITAL)
: AUDIO (ANALOG)
B
FRONT SPEAKERS
IMPEDANCE USE
4 – 16Ω
CENTER SPEAKERS
IMPEDANCE USE
4 – 16Ω
SURROUND SPEAKERS
IMPEDANCE USE
4 – 16Ω
SURROUND BACK
SPEAKERS
IMPEDANCE USE
4 – 16Ω
SURROUND BACK
SPEAKERS
IMPEDANCE USE
4 – 16Ω
(STR-DA2000ES)
(STR-DA2000ES)
23
X1
22
X0
X1800
8MHz

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English