Block Diagram - Power Amp Section - Sony STR-DA2000ES Service Manual

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