Schematic Diagram - D. Amp Section (3/6) - Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
Q Q
6-41. SCHEMATIC DIAGRAM – D. AMP Section (3/6) – •
3 7 6 3 1 5 1 5 0
(3/6)
AB5
R1512
330
DED TIME
IC1512
TC74AC08FT
C1512 C1552
56p 0.1
C1532
56p
R1532
330
AB6
AB7
R1522
330
DED TIME
IC1522
TC74AC08FT
C1522
56p
C1542
56p
T E
L 1 3 9 4 2 2 9 6 5 1 3
R1542
330
R1002
AB8
0
AB9
R1513
330
DED TIME
IC1513
TC74AC08FT
C1513 C1553
56p 0.1
C1533
56p
R1533
330
AB10
AB11
R1523
330
DED TIME
IC1523
TC74AC08FT
C1523
56p
C1543
56p
R1543
w w w
330
AB12
ZV1
(Page 55)
(STR-DA2000ES)
EP1801 C1881 0
(CHASSIS)
See page 69 for IC Block Diagrams.
D1522
FB1522 1SS367
IC1532
C1592
HIP2101IB
0.1
C1612
0.015
R1652
0
DIGITAL POWER AMP
R1572 R1672
47 0
C1582
470
D1532
16V
FB1532 1SS367
IC1542
C1602
HIP2101IB
0.1
C1622
0.015
R1662
0
DIGITAL POWER AMP
R1562 R1682
47 0
C1792
0.1
R1001 D1523
0 FB1523 1SS367
IC1533
C1593
HIP2101IB
0.1
C1613
0.015
R1653
0
DIGITAL POWER AMP
R1573 R1673
47 0
C1583
470 D1533
16V FB1533 1SS367
IC1543
C1603
HIP2101IB
0.1
C1623
0.015
R1663
0
DIGITAL POWER AMP
R1563 R1683
47 0
C1793
x a o
0.1
y
. i
(Page 58)
http://www.xiaoyu163.com
(Page 54)
∗ C1692
0.1 63V (STR-DB2000:AEP,UK)
0.1 100V (EXCEPT STR-DB2000:AEP,UK)
R1702
100k
R1712
330
C1732
Q1652
0.01
SUP18N15-95 S
BOOSTER
L1732 L1302
10µH 10µH
C1742
0.75
250V
C1652 C1672 C1692
0.1 0.1
∗
Q1672 100V 100V
SUP18N15-95 S
BOOSTER
C1712
1000 C1752 C1329
63V 0.75 0.75
250V 250V
L1312
R1632 R1642
0.025 0.025
1W 1W
Q1662
SUP18N15-95 S
BOOSTER
L1742
10µH
Q1772,1782,1792
Q Q
TEMP DETECT
3 7 6
C1662 C1682 C1702
0.1 0.1 ∗
Q1682 100V 100V
SUP18N15-95 S
BOOSTER
R1703
∗ C1702 100k
0.1 63V (STR-DB2000:AEP,UK)
0.1 100V (EXCEPT STR-DB2000:AEP,UK)
R1713 Q1723
330 2SA1163
PROTECT
C1733
0.01
R1723
680
R1633 R1643
Q1653
0.025 0.025
SUP18N15-95 S
1W 1W
0.1 63V
BOOSTER C1743
L1733 L1303
0.75 0.1 100V
10µH 10µH
250V
C1303
0.27
250V
C1653 C1673
C1693
0.1 0.1
∗
Q1673 100V 100V
SUP18N15-95 S
BOOSTER
∗ C1693
0.1 63V (STR-DB2000:AEP,UK)
C1713
1000 0.1 100V (EXCEPT STR-DB2000:AEP,UK) C1313
63V 0.27
250V
L1313
10µH
R1763
4.7k
Q1663
SUP18N15-95 S
BOOSTER
L1743
10µH
Q1773
2SC2712
C1663 C1683
C1703
0.1 0.1
∗
Q1683 100V 100V
SUP18N15-95 S
R1783
u 1 6 3
BOOSTER 47
∗
C1703
.
Q1773,1783,1793
0.1 63V (STR-DB2000:AEP,UK)
TEMP DETECT
0.1 100V (EXCEPT STR-DB2000:AEP,UK)
56 56
http://www.xiaoyu163.com
2 4
8 9 9
∗ C1722
0.1 63V (STR-DB2000:AEP,UK)
0.1 100V (EXCEPT STR-DB2000:AEP,UK)
Q1722
2SA1163
PROTECT
R1722
680
C1302
C1722
0.27
*
250V
R1732 D1317
220k 1SS352
C1312
0.27
250V Q1762
2SA1162
C1782 R1752 PROTECT
4.7 82k
Q1752
R1742
2SA1162
220k
10µH
PROTECT
R1762 R1772
TH1792
4.7k 15k
Q1772
R1792
2SC2712
4.7k
Q1782
2SC2712
Q1792
2SC2712
3 1 5 1 5 0 8 9 2
R1782 R1620 C1620
47 360 0.1
C1723
∗
∗ C1723
(STR-DB2000:AEP,UK)
(EXCEPT STR-DB2000:AEP,UK)
D1318
1SS352
R1733
220k
Q1763
2SA1162
PROTECT
C1783
4.7
Q1753
R1743
2SA1162
220k
PROTECT
R1773
TH1793
15k
C051 C052
680p 680p
R1793
100V 100V
4.7k
(CHASSIS)
Q1783
2SC2712
Q1793
m
2SC2712
R1630
c o
360
(CHASSIS)
2
8 9 9
4 9 8 2 9 9
CN1702
CN1703
(Page 67)
TM1730
2P
CENTER
SPEAKER
IMPEDANCE
C055 C056
680p 680p
100V 100V
(CHASSIS)