Block Diagram - Power Amp Section - Sony STR-DA3000ES Service Manual

6-7. BLOCK DIAGRAM – POWER AMP Section –
DSDL
DSDL
DSDR
DSDR
DSDC
DSDC
DSDW
DSDW
BUFFER
(Page 23) AB
IC1910 DSDSL
DSDSL
DSDSR
DSDSR
DSDSBL
DSDSBL
DSDSBR
DSDSBR
64FS
64FS
DATA L/R
DATA L/R
DATA C/SW
DATA C/SW
DARA SL/SR
DATA SL/SR
DATA BL/BR
DATA BL/BR
S
(Page 23)
LRCKO
LRCK
BCKO
BCKO
SCK
SCK
MSMUTE
MSMUTE
SCDT
SCDT
HPSW
+9V
+12V REGULATOR +9V
IC1851
+5V
+5V +3.3V
REGULATOR REGULATOR +3.3V
IC1852 IC1853
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
CLOCK OSC
IC1471
HEADPHONE AMP
2
X1471
49.125MHz
4
28
DSDL
50 DSDL OUTL1+ 24
DSDR
49 DSDR
64FS
48 DSD64FS OUTL1– 21
FSII
46 FSII
LRCKO
45 LRCK
BCK
44 BCK
DATA L/R
43 DATA OUTL2+ 18
INIT
41 INIT
MSMUTE
39 MSPMUTE OUTL2– 15
SCDT1
38 SCDT
SHIFT
37 SCSHIFT
LAT
36 SCLATCH
PCM/PWM
MODE1
34 MODE1 PROCESSOR
SCK
IC1401
64 XFSIIN
73 FSOCLK
74 FSOI
77
28
DSDC
50 DSDL OUTL1+ 24
64FS
48 DSD64FS OUTL1– 21
FSII
46 FSII
LRCKO
45 LRCK
BCK
44 BCK
DATA C/SW
43 DATA OUTL2+ 18
INIT
41 INIT
MSMUTE
39 MSPMUTE OUTL2– 15
SCDT
38 SCDT
SHIFT
37 SCSHIFT
PCM/PWM
LAT2
PROCESSOR
36 SCLATCH
MODE1 IC1402
34 MODE1
SCK
64 XFSIIN
74 FSOI
77
28
DSDSL
50 DSDL OUTL1+ 24
DSDSR
49 DSDR
64FS
48 DSD64FS OUTL1– 21
FSII
46 FSII
LRCKO
45 LRCK
BCK
44 BCK
DATA SL/SR
43 DATA OUTL2+ 18
INIT
41 INIT
MSMUTE
39 MSPMUTE OUTL2– 15
SCDT
PCM/PWM
38 SCDT
SHIFT PROCESSOR
37 SCSHIFT
IC1403
LAT3
36 SCLATCH
MODE1
34 MODE1
SCK
64 XFSIIN
74 FSOI
77
28
DSDSBL
50 DSDL OUTL1+ 24
DSDSBR
49 DSDR
64FS
48 DSD64FS OUTL1– 21
FSII
46 FSII
LRCKO
45 LRCK
BCK
44 BCK
DATA BL/BR
43 DATA OUTL2+ 18
INIT
41 INIT
MSMUTE
39 MSPMUTE OUTL2– 15
SCDT
38 SCDT
SHIFT
37 SCSHIFT
LAT4
PCM/PWM
36 SCLATCH
MODE1 PROCESSOR
34 MODE1
IC1404
SCK
64 XFSIIN
74 FSOI
HEADPHONE AMP
IC1481 IC1482
I. PROTECT
DIGITAL POWER AMP
Q1721
IC1531
5 HIN HOUT 3 BOOSTER
DED TIME
Q1651, 1671
LOUT 8
IC1511
6 LIN HSCT 4
V. PROTECT
Q1751, 1761
5 HIN HOUT 3
BOOSTER
DED TIME
LOUT 8 Q1661, 1681
IC1521
6 LIN HSCT 4
DIGITAL POWER AMP
TH1791, Q1791, 1781, 1771
IC1541
TH1792, Q1792, 1782, 1772
TH1793, Q1793, 1783, 1773
TH1794, Q1794, 1784, 1774
TH1795, Q1795, 1785, 1775
TH1796, Q1796, 1786, 1776
(US, Canadian)
I. PROTECT
DIGITAL POWER AMP
Q1723
IC1533
5 HIN HOUT 3
BOOSTER
DED TIME
LOUT 8 Q1653, 1673
IC1513
6 LIN HSCT 4
V. PROTECT
Q1753, 1753
5 HIN HOUT 3
BOOSTER
DED TIME
LOUT 8 Q1663, 1683
IC1523
6 LIN HSCT 4
DIGITAL POWER AMP
IC1543
I. PROTECT
DIGITAL POWER AMP
Q1724
IC1534
5 HIN HOUT 3
BOOSTER
DED TIME
Q1654, 1754
LOUT 8
IC1514
6 LIN HSCT 4
V. PROTECT
Q1754, 1784
5 HIN HOUT 3 BOOSTER
DED TIME
Q1664, 1674
LOUT 8
IC1524
6 LIN HSCT 4
DIGITAL POWER AMP
IC1544
I. PROTECT
DIGITAL POWER AMP
Q1726
IC1536
5 HIN HOUT 3 BOOSTER
DED TIME
Q1656, 1676
LOUT 8
IC1516
6 LIN HSCT 4
V. PROTECT
Q1756, 1786
5 HIN HOUT 3
BOOSTER
DED TIME
LOUT 8 Q1666, 1676
IC1526
6 LIN HSCT 4
Q1892
DIGITAL POWER AMP
IC1546
36
SUB SYSTEM
CONTROLLER
IC1800 (2/2)
46 45 44 43 38 51 37
25 25
HP SW
R-CH
HP-RY
RELAY DRIVER
RY1480
Q1480
SP-A RELAY DRIVER
RY1680
Q1680 TM1710
+
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
+
LPF R-CH R
−
(US, Canadian)
TM1760
+
LPF
L
−
TM1770
+
R-CH
R
LPF −
HP-RY
Q1891
D1891
HPSW
32 1 50 47 35 58
STR-DA3000ES
J1001
PHONES
A
FRONT SPEAKERS
IMPEDANCE USE
4 – 16Ω
B
4 – 16Ω
SURROUND SPEAKERS
IMPEDANCE USE
4 – 16Ω
(EXCEPT US, Canadian)
SURROUND BACK
SPEAKERS
IMPEDANCE USE
SURROUND BACK 4 – 16Ω
SPEAKERS
IMPEDANCE USE
4 – 16Ω