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

STR-DA3100ES
2-3. SCHEMATIC DIAGRAM – DIGITAL Board (1/8) –
FM 75Ω
COAXIAL
TUNER UNIT
ANTENNA
SUPPLIED WITH
THE ASSEMBLED
AM
STR-DA3100ES
(1/8)
CN2101
15P
STEREO R2050 100
TUNED R2051 100
MUTE
TUN-RCH C2051 0.1
GND
TUN-LCH
TU2101
FM DET OUT
+12V FB2051 0
+3.3V FB2052 0 D2070 1SS355
BLOCK RDS SIGNAL
GND
DO R2054 0
COM CLK R2055 0
COM DATA R2056 0
TUN LAT R2057 100
Q2051 Q2052
2SC3624A 2SC3624A
Q2051,2052
MUTING
R2058 R2059
A1 10k 10k
(Page 7)
CN2991
3P
GND
GND
C2992
C2991 470
0.1 16V
+15V
G
I
O
C2995
0.1 IC2991
TA7809S
(CHASSIS)
Q2991
2SB733
+9V REGULATOR
CN2103
17P
-5V
VGND
+5V
V+9V
UP COM SCL R2849 100
UP CON SDA R2848 100
C+5V
COM CLK R2847 100
V595 LAT R2846 100
V595 OE R2845 100
COM DATA R2844 100
OSD LAT R2843 100
OSD CLK R2842 100
OSD DATA R2841 100
STB GND
STB+5V
SIRCS IN
CN2105
15P
NC
SBR RY R2812 100
P.RY
STOP R2813 10k
Q2801
NC
2SC2712YG
GND AC DETECT
GND 76
FRARY R2814 100
SURR RY R2815 100
C RY R2816 100
SBL RY R2817 100
FR-B RY R2818 100
HP RY R2819 100
PROTECTOR 80
AC MUTE
(Page 13)
STEREO
TUNED
R2052 100
R2042 10k
DO
TUN_LAT
IC2062 IC2061
NJM2391DL-33 TA7812S-LB
I O I O
G G
C2064 C2062
C2063 C2061
470 470
100p 0.1
16V 16V
+3.3V REGULATOR +12V REGULATOR
Q2991,2992
B+ SWITCH
R2991
2.2k
83
Q2992
DTC114EKA
SCL
SDA
FB2801
SIRCS_IN
R2835 100
R2834 100
C2831
0.1
BUFFER
IC2831
TC74HCT7007AF
R2832 100 102
R2831 100 103
R2833 100 94
DATA DECODER
IC2812
SN74HC595ANSR
C2810
C2812 10 C2811
0.1 50V
6 6
SIRCS_IN
SIRCS_OUT
TRG
TRG2
TRG3
81
BUFFER
IC2801
TC74HCT7007AF
R2822 100
R2825 100
R2824 100
R2821 100
R2823 100
C2801 C2800
0.1 10
50V
IC2811
SN74HC595ANSR
DATA DECODER
R2826
R2829
R2828
R2827
R2830
10k
0.1
(Page 7)
T1
T3
T4
(Page 12)
T5
T6
(Page 12)
CN1102
7P
R2851 100 SIRCSIN
R2852 100 SIRCSOUT
STB +5V
STB GND
R2853 100 TRG MAIN
R2854 100 TRG 2ND
R2855 100 TRG 3RD
41
42
43
123
47
45
110
109
R4
(Page 13)
44
R5
R6
R7
(Page 13)
CN2102
13P
R2811 100 2AU-RY
NC
R2809 100 3RD-RY
R2808 100 DIR-RY
R2807 100 PRE-RY
R2806 100 VOLLAT
R2805 100 FUNLAT
R2804 100 COMDAT
R2803 100 COMCLK
DGND
+3.3VB
R2802 100 TX232C
R2801 100 RX232C
100
100 38
100 37
100 46