Schematic Diagram - Audio Board (3/4) - Sony STR-DA5000ES Service Manual

STR-DA5000ES
6-16. SCHEMATIC DIAGRAM – AUDIO Board (3/4) – •
C615
(CHASSIS) 0
(US,CND)
J609
4P
L
2ND ZONE
OUT
AUDIO
VARIABLE
R
L
3RD ZONE
OUT
AUDIO
VARIABLE
R
See page 78 for IC Block Diagrams.
(3/4)
R444 C445 R443
68k 220p 100k
R446
4.7k
C446
R445 22
100 50V
RY641
-1 VCC
LINE AMP
-2
IC643
VEE
NJM4580E-D
R545
100
D641
C546
1SS355
22
50V
R447
1k R546
4.7k
R544 C545 R543
68k 220p 100k
R547
1k
R457
1k
R646
10
R557
1k
Q641
2SC2712
R454 C455 R453
68k 220p 100k
C456
R456
22 50V
4.7k
R455
100
RY651
-1
VCC
-2
LINE AMP
R555 IC653
100 NJM4580E-D
VEE
D651
1SS355
C556
22
R556
50V
4.7k
R554
C555 R553
68k
220p 100k
R656
10
Q651
2SC2712
(Page 32)
C444
R642 R442 C443
220
33 1k 22 50V
10V
C642
0.0022
TONE ELECTRICAL
C644 VOLUME
0.01
IC642
CXD9725M
C643
0.0022
C544
R643 R542 C543
220
33 1k 22 50V
10V
Q631,632,641
RELAY DRIVER
Q631
R645
2SC2712
10k
Q632
R631 R633
DTA114TKA
10 1k
R644 R632
4.7k 220
R652 R452 C454
C453
33 1k 220 10V
22 50V
C652
0.0022
TONE ELECTRICAL
VOLUME
IC652
C654 CXD9725M
0.01
C653
0.0022
C554
R653 R552 C553
220
33 1k 22 50V
10V
Q651,661,662
RELAY DRIVER
R655
10k
R654 R661 Q661
4.7k 10 2SC2712
Q662
DTA114TKA
R662
220
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
34 34
R441
47k
BB3
C442
22
50V C441
22
R647
50V
0
R648
0
VCC
BUFFER
IC641
VEE
NJM4580E-D
C542
22
50V C541
22
50V
BB4
R541 47k
R649
0
R658 R657 R659
0 0 0
R651 R451
100k 47k
C451
22
50V
BB2
C452
22
50V
VCC
BUFFER
IC651
VEE
NJM4580E-D
C552
22
50V C551
R551 22
47k 50V
BB1
R663
1k
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
CC1
CC2
CC3
CC4
CC5
CC6
CC7
(Page 33)
CC8
CC9