Schematic Diagram - Reg Section (2/2) - Sony STR-DA3000ES Service Manual
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Also See for STR-DA3000ES:
- Service manual (168 pages) ,
- Operating instructions manual (68 pages) ,
- Specifications (2 pages)
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6-57. SCHEMATIC DIAGRAM – REG Section (2/2) – •
(2/2)
BUFFER
BUFFER
QM1
QM2
(Page 74)
QQ12
QQ11
QQ10
QQ9
C930
QQ8
220
16V
QQ7
QQ6
QQ5
QQ4
QQ3
QQ2
C931
0.1
QQ1
C939
0.1
C940
220
10V
See page 77 for IC Block Diagrams.
(Page 53)
CN911
25P
R1027
2.2k
R956
(US,CND)
1k
R950
100
Q959
2SC2712
R954
220
C941
10
50V
PCM/DSD D/A
CONVERTER
IC931
DSD1751
C942
C943
220
0.1
16V
C945
C944
220
FB933
0.1
FB934
16V
(EXCEPT US,CND)
FB931
C935
10
50V
D/A CONVERTER
IC2801
DSD1608
C938
10
50V
(FOR ADJUSTMENT)
CN919
2P
R1021
C970
C986
470p
R986
100k
1500p
10k
R978
R994
15k
C994
QF6
10k
33
16V
R962
R970
C962
2.7k
6.8k
33
C978
16V
680p
R955
10
VCC
LOW-PASS FILTER
IC935
VEE
NJM4580E-D
R995
10k
QF7
QF5
C995
R963
R971
R979
C979
33
C963
2.7k
6.8k
15k
680p
16V
33
16V
R1022
C971
C987
R987
100k
1500p
470p
10k
QF4
C990
470p
R990
R1025
C974
10k
100k
1500p
R974
R982
R998
6.8k
15k
10k
C998
QF2
33
16V
R966
C966
2.7k
33
C982
16V
680p
FB932
C933
220
16V
VCC
LOW-PASS FILTER
IC937
VEE
C934
NJM4580E-D
0.1
R999
10k
QF3
QF1
C999
R967
R975
R983
C983
33
C967
2.7k
6.8k
15k
680p
16V
33
16V
R1026
C975
C991
R991
100k
1500p
470p
10k
C936
220
10V
C937
0.1
75
75
R984
C968
C984
10k
1500p
470p
R968
R976
R992
6.8k
15k
10k
C992
*
QD1
R960
C960
2.7k
∗
C976
680p
∗
C960,992
33 16V
(US,CND)
33 63V
(EXCEPT US,CND)
VCC
LOW-PASS FILTER
IC934
VEE
NJM4580E-D
JW903
R993
10k
R961
R969
R977
C977
C993
C961
2.7k
6.8k
15k
680p
33 16V
33 16V
QD2
R1020
C969
C985
R985
∗
100k
1500p
470p
10k
MC
R988
MDI
R1023
C972
C988
10k
100k
1500p
470p
R980
R996
15k
10k
C996
33
16V
QD5
QD1
R964
R972
C964
2.7k
6.8k
33
C980
16V
680p
QD2
VCC
LOW-PASS FILTER
IC936
VEE
QD3
NJM4580E-D
QD4
QD5
R997
10k
QD6
C997
QD7
R965
R973
R981
C981
33
C965
2.7k
6.8k
15k
680p
16V
33
QD6
16V
QD8
R1024
C973
C989
R989
100k
1500p
470p
10k
STR-DA3000ES
CN912
4P
A+5V
C929
100 16V
A-10V
AUGND
A+10V
(Page 33)
C951
100
16V
0
E901
(CHASSIS)
CN917
2P
GND
GND
∗
R985
(Page 33)
0
(EXCEPT US,CND)
(US,CND)
(US,CND)
CN913
6P
PREOUT-RY
AUCOM-CLK
AUCOM-DATA
(Page 58)
PREVOL-LAT
AGND
PRE-SW
(Page 55)
(EXCEPT US,CND)
CN914
14P
PRE-C
AGND
PRE-SBL
AGND
PRE-SBR
AGND
PRE-SL
AGND
PRE-SR
(Page 58)
AGND
PRE-L
AGND
PRE-R
AGND
(US,CND)
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