Schematic Diagram - Digital Board (8/8) - Sony STR-DA3100ES Service Manual

2-10. SCHEMATIC DIAGRAM – DIGITAL Board (8/8) –
(8/8)
V1
(Page 12)
C2709
(Page 6) 0.0047
R3
R4
(Page 6)
Q3
Q2
Q1
(Page 7)
J2
J3
J1
(Page 7)
K1
(Page 10)
STR-DA3100ES
R2710 10k
R2711 10k
R2706 10k
R2701 100
SUB SYSTEM CONTROLLER
R2708
10k
IC2706
S-80942CNMCG9C
G
NC
RESET SIGNAL R2713
C2703 R2712
1M
GENELATOR 100p 10k
V
RST X2701
C 7.28MHz
R2945
10k
R2944
10k
IC2931
+3.3V REGULATOR
BA033T
Q2942
2SC2712YG
I O B+ SWITCH
G
CONTROL
C2932
C2931
1000
100p
16V
Q2911, 2922
B+ SWITCH
+5V REGULATOR
R2912 IC2941
1k R2943 TA7805S
1k
Q2911
I O
2SB733 Q2912 G
R2911 DTC114EKA
10k R2942
1k C2941
0.47
R2949
4.7
5W
+3.3V REGULATOR
IC2911
BA033T
I O
G
C2912
C2911
470
100p
16V
Q2931 R2931 Q2941 R2941
2SB733 10k 2SB733 10k
B+ SWITCH B+ SWITCH
(Page 12)
BUFFER
IC2702
TC74HC4050AFT
C2702
0.1
C2704
0.1
Q2703
DTC114EKA
BUFFER
IC2701
TMP87C447U
-1F23
C2634
C2632 R2659
0.1 100
D2702
1SS184
RESET SWITCH
IC2605
TC7S08FU
C2712
C2711 C2708
47
0.1 0.1 FB2701
16V
Q2972
DTC114EKA
Q2971
2SB733
B+ SWITCH
+3.3V REGULATOR
IC2961 D2971 R2971
BA033T 1SS355 1k
I O
G
C2962
C2961 470
100p 16V
+5V REGULATOR
C2942
IC2971
2200
TA7805S
10V
I G O
+5V REGULATOR C2972 DTA114EKA
470
B- SWITCH
IC2951 C2971 16V
BA05T 100p
C2970
I O 1000
G
16V
C2952
C2951 470
100p 16V
13 13
BUFFER
IC2703
TC74HC4050AFT
BUFFER
IC2704
R2709
TC74HCT7007AF
10k
V19
V23
R2658 C2633
1
100k 0.1
50V
R2657 10k
RESET SIGNAL
BUFFER
IC2604
TC7W14FU
(Page 12)
V24
V20
FB2007 0
FB2008 0
V21
V18
R5
R6
R7
Q2972
(Page 6)
B+/B- SWITCH CONTROL
Q2981
CN2001
2SD773
3P
B- SWITCH
V3.OPT
R2981
10k
D GND
C2982
470 DSW+3.3V
16V
V25
C2981
100p
V26
G O
I V27
(Page 12)
IC2981
Q2982 TA79005S
CN1801
7P
F1
-5V REGULATOR
F2
+40V
-9V
DGND
+9VB
+9V
STR-DA3100ES