Schematic Diagram – Main Board (3/3) - Sony STR-DA2100ES Service Manual

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6-22. SCHEMATIC DIAGRAM – MAIN Board (3/3) –
POWER AMP
IC600
µPC2581
R600
22k
SR-CH
C611 R611
4.7 1k
50V
C612
100p
C662
100p
SL-CH
C661 R661
4.7 1k
50V
POWER AMP
IC700
µPC2581
R700
22k
R711
T E
L 1 3 9 4 2 2 9 6 5 1 3 1k
SBR-CH
C711
4.7
C712
50V
100p
1
2
3
4
(Page 33)
5
6
7
w w w
8
STR-DA2100ES
• See page 50 for IC Block Diagrams.
(3/3)
C603
10 50V
C664
33p
500V
R612
68k
R662 C665
C615
68k 3p
3p
500V
500V
R615
68k
R616 R666 R665
2.2k 2.2k 68k
C616 C666
220 220
10V 10V
C703
10 50V
R712
68k
C715
3p
500V
R716 R715
2.2k 68k
C716
220
10V
Q220,225
LIMITER SWITCH
Q220
R220
2SD2396
10
R221 R222
4.7k 470
1W
C220 C233
22 4.7
100V 100V
C221
22
R236
Q225 100V
150k
2SC1841
C230
R235 C231
22
470 22
100V
100V
Q235
R233 2SB1565
4.7k
LIMITER
SWITCH
R234
10
x a o
y
. i
http://www.xiaoyu163.com
(Page 34)
C625 R627
220p 4.7k Q625,626
CURRENT DETECT
Q621,622 C623
33p C626
BIAS
R621 R623 500V Q625 R632 0.01 D625
82k 100 2SA988 33k 1SS133T
Q623
Q621
2SD2560
2SA1115 R646 R634 C627
BOOSTER R633 4.7k 15k 10
15k 50V
R622
2.2k R629
1.5k
R628 D626 L601
0.22 1SS133T
R631
10
R639
R637
C631
47k
0.1
R625
Q626
R624 100
2SA988
560
C632
R626
0.047
6.2k
C621
Q624 R630
47 C624
2SB1647 100k
25V 33p
500V BOOSTER
C675 R677
Q675,676
220p 4.7k
CURRENT DETECT
Q671,672 C673
33p Q675
BIAS
Q Q
R671 R673 500V 2SA988 R682 C676 D675
82k 100 3 33k 7 0.01 1SS133T 6
Q673
Q671 2SD2560
R696 R684 C677
2SA1115
BOOSTER R683 4.7k 15k 10
15k 50V
R672
2.2k R679
1.5k
R678 D676 L651
0.22 1SS133T
R681
10
R687 R689
47k 4.7
C681
R675 Q676 0.1
R674 100 2SA988
560
R676 C682
6.2k 0.047
C671
Q674 R680
47 C674
2SB1647 100k
25V 33p
500V BOOSTER
C725 R727 Q725,726
220p 4.7k
CURRENT DETECT
Q721,722 C723
33p Q725
BIAS R723
R721 500V 2SA988 R732 C726 D725
100
82k 33k 0.01 1SS133T
Q723
Q721 2SD2560
R746 R734 C727
2SA1115
BOOSTER R733 4.7k 15k 10
15k 50V
R722
2.2k R729
1.5k
R728 D726 L701
0.22 1SS133T
R731
10
R739
R737
C731
47k
0.1
R725
Q726
R724 100
2SA988
560
R726 C732
6.2k 0.047
C721 R730
Q724
47 C724 100k
2SB1647
25V 33p
500V BOOSTER
u 1 6 3
35 35
http://www.xiaoyu163.com
2 4
8 9 9
HP-CTL
R635
47k
R636 22k
HP-RY
Q627
2SC1815
AF POWER
SENSOR
4.7
R685
47k
R210
R686 22k 10k
3 1 5 1 5 0 8 9
Q677
2SC1815
AF POWER
SENSOR
R735
47k
R736 22k
Q727
2SC1815
AF POWER
SENSOR
4.7
D203
1SS133T
PRORECT
m
c o
.
STR-DA2100ES
2
8 9 9
R240 CN806
RY240
680 4P
1W
HP CTRL
R CH
HP GND
R280
680 Q240
1W 2SC2785
RELAY DRIVE L CH
(Page 37)
R245
4.7k D240
1SS133T
R246
56
R215
22k
OVER LOAD DETECTOR
IC210
4565D
2 4 9 VCC 8 2 D210 9 9
R213
47k
Q210
VEE
DTC124ESA-TP
R212
OVER LOAD
220k R214
R211 10k
10k DETECTOR
Q255
C255 Q256
2SA1038S
220 2SC2785
10V
Q200 C200 Q201
2SA1038S 220 2SC2785
10V
R201
10k
R205
Q202
6.8k
2SC1841
D202
1SS133T
R202
C201
R203
10
33k
50V
R204
1k
Q200-202,255,256
AF POWER
PROTECTOR