Schematic Diagram - Reg Section (2/2) - Sony STR-DA3000ES Service Manual

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