Schematic Diagram - Digital Board (1/8) - Sony STR-DA3100ES Service Manual

6-10. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/8) –
CN2101
15P
STEREO
TUNED
MUTE
TUN-RCH
GND
TUN-LCH
COAXIAL
TU2101
FM DET OUT
TUNER UNIT
+12V
ANTENNA
SUPPLIED WITH
+3.3V
THE ASSEMBLED
BLOCK RDS SIGNAL
AM GND
DO
COM CLK
COM DATA
TUN LAT
A1
(Page 26)
CN2991
3P
GND
GND
+15V
(Page 37)
C2995
0.1
(CHASSIS)
CN2103
17P
-5V
VGND
+5V
V+9V
UP COM SCL
UP CON SDA
C+5V
COM CLK
V595 LAT
V595 OE
COM DATA
OSD LAT
(Page 52)
OSD CLK
OSD DATA
STB GND
STB+5V
SIRCS IN
CN2105
15P
NC
SBR RY
P.RY
STOP
NC
GND
GND
FRARY
SURR RY
(Page 47)
C RY
SBL RY
FR-B RY
HP RY
PROTECTOR
AC MUTE
STR-DA3100ES
• See page 70 for IC Block Diagrams.
(1/8)
R2050 100 STEREO
R2051 100 TUNED
R2052 100
C2051 0.1
FB2051 0
FB2052 0 D2070 1SS355 R2042 10k
R2054 0 DO
R2055 0
R2056 0
R2057 100 TUN_LAT
Q2051 Q2052
2SC3624A 2SC3624A
Q2051,2052
MUTING
IC2062
NJM2391DL-33
R2058 R2059
10k 10k
I O
G
C2064
C2063
470
100p
16V
C2992 +3.3V REGULATOR
C2991 470
Q2991,2992
0.1 16V
B+ SWITCH
G
I
O
IC2991
TA7809S
R2991
2.2k
Q2991
2SB733
+9V REGULATOR
83
Q2992
DTC114EKA
R2849 100 SCL
R2848 100 SDA
R2847 100
R2846 100
R2845 100
R2844 100
R2843 100
R2842 100
R2841 100
SIRCS_IN
R2835 100
R2834 100
C2831
0.1
BUFFER
IC2831
TC74HCT7007AF
R2832 100 102
R2831 100 103
R2833 100 94
R2812 100
R2813 10k
Q2801
2SC2712YG
AC DETECT
76
R2814 100
R2815 100
R2816 100
R2817 100
R2818 100
R2819 100
80
(Page 32)
IC2061
TA7812S-LB
I O
G
C2062
C2061
470
0.1
16V
+12V REGULATOR
R2822
R2821
FB2801
C2801 C2800
0.1 10
50V
DATA DECODER
IC2812
SN74HC595ANSR
C2810
C2812 10 C2811
0.1 50V 0.1
(Page 26)
25 25
SIRCS_IN R2851
SIRCS_OUT R2852
TRG R2853
TRG2 R2854
TRG3 R2855
41
42
81
BUFFER
43
IC2801
TC74HCT7007AF
100
R2825 100 123
R2824 100 47
100
R2823 100 45
110
109
44
R2811 100
R2809 100
R2808 100
R2807 100
R2806 100
R2805 100
R2804 100
R2803 100
IC2811
R2802 100
SN74HC595ANSR
R2801 100
DATA DECODER
R2826 100
R2829 100 38
R2828 100 37
R2827 100 46
R2830
10k
STR-DA3100ES
T1
T3
T4
(Page 31)
T5
T6
(Page 31)
CN1102
7P
100 SIRCSIN
100 SIRCSOUT
STB +5V
STB GND
100 TRG MAIN
(Page 58)
100 TRG 2ND
100 TRG 3RD
R4
(Page 32)
R5
R6
R7
(Page 32)
CN2102
13P
2AU-RY
NC
3RD-RY
DIR-RY
PRE-RY
VOLLAT
FUNLAT
(Page 40)
COMDAT
COMCLK
DGND
+3.3VB
TX232C
RX232C