Schematic Diagram - 2Ch. Au Board (3/3) - Sony STR-DB2000 Service Manual

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3 7 6 3 1 5 1 5 0
6-14. SCHEMATIC DIAGRAM – 2CH. AU Board (3/3) – •
(STR-DA2000ES)
J609
4P
L
R447
1k
2ND ZONE
OUT
R547
1k
R
L
C457 R457
100p 1k
PRE OUT
FRONT
C557 R557
100p 1k
T E
R L 1 3 9 4 2 2 9 6 5 1 3
2SC2712-YG
C615
0
R456
(CHASSIS) 4.7k
R556
4.7k
w w w
.
See page 69 for IC Block Diagram.
(Page 27)
(3/3)
R446 C442
4.7k 22 50V
R444
68k
R445 R544
100 68k
-1
V
-2 LINE AMP
IC641
G
M5218AFP
R545
100
RY641
C542
D641 22
1SS355 50V
R546
4.7k R646
10 Q631,632,641 R633
1k
RELAY DRIVER
R645
Q631
10k Q632
2SC2712-YG
DTA114TKA
Q641
R644 R631
4.7k 10
R632
220
R652
33
C659
2200p
C555 R553 R552
C556
220p 100k 1k
22
R554
50V
68k
R455
100
-1
R555
100
-2
RY651 V
LINE AMP
D651 IC653
G
1SS355 M5218AFP
R656
10 C654
0.01
C456
22
50V
R454
68k C455 R453 R452
220p 100k 1k
R653
33
R655
10k
R654
4.7k
Q651
Q662
2SC2712-YG
Q651,662 DTA114TKA
RELAY DRIVER
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y
i
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8
C441
22
50V
R441
47k
R541
47k
C692
C694
2200
0.22
25V
C693
C695
2200
0.22
25V
C541 22 50V
Q Q
3 7 6 3
C554
C553
220
22 50V
10V
R658 0
R657 0
TONE/
ELECTRICAL
VOLUME
IC652
CXD9725M
R659
0
C454
C453
220
22 50V
10V
u 1 6 3
.
29 29
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2 4
9 9 8
(Page 28)
IC661
BA10T
O I
G
C663
0.1
C666 C673
C661
100 39 L672
0.1
16V 16V 1µH
+10V REGULATOR
C665 C674
C664 C662
100 39
0.1 0.1
16V 16V
G
O I
IC662
-10V REGULATOR M5F7910L
R682
10k
1 5 1 5 0 8 9 2 4
m
c o
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
STR-DA2000ES/DB2000
2
9 9
CNP607
10P
A+5V
A+10V
A-10V
ANALOG-GND
COM-DATA
COM-CLK
FUNC-LAT
D.MIX-LAT
(Page 50)
VOL-LAT
2ND-RY
CNP606
4P
D.MIX-LAT
COM-DATA
COM-CLK
FUNC-LAT
(Page 34)
+5V REGULATOR
IC691
M5F7805L
O I
G
R681
10k
C691 EPT601
100
50V
(CHASSIS)
CNP608
5P
-12V
9 8 2 9 9
AUGND
+12V
RY_GND
C696
C697
470
0.22
25V RY-12V
(Page 67)
PRE-RY
A-SW-OUT
A-GND
A-RCH-OUT
A-GND
(Page 49)
A-LCH-OUT
(STR-DA2000ES)
A-GND
CNP609
3P (STR-DB2000)
7P (STR-DA2000ES)
CNP611
5P
RY-12V
RY-GND
A+10V
AGND
A-10V
(Page 59)
CNP612
6P
PREOUT-RY
AUCOM-CLK
AUCOM-DATA
PREVOL-LAT
AGND
PRE-SW (Page 59)
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.