Schematic Diagram - Digital Board (3/8) - Sony STR-DA3000ES Service Manual

STR-DA3000ES
6-22. SCHEMATIC DIAGRAM – DIGITAL Board (3/8) – •
D2122 R2144
1SS355 100k
C2124
220
10
Q2123
RT1N141C
INVERTER
Q2122
RT1N141C
SWITCH
R2141
47k
C2139
3.3
50V
B1
C2126 2.2
R2125 47k
C2136 0.047
C2135 0.01 R2142 3.3
FB1101
(Page 38)
R2157
0 FB2156
B3
B2
See page 76 for Waveforms. • See page 77 for IC Block Diagrams.
(3/8)
C2133
0.1
R2145 R2131 C2132
10k 10k 0.001
DISEL
DOUT
DIN0
R2129
DIN1
5.6k
DIN2
R2128
D.GND
6.8k
DIGITAL AUDIO
DVDD
I/F RECEIVER
R IC2121
LC89056W
VIN
LPF
AVDD
C2129
0.1 AGND
C2128
330
16V
FB1108
FB1103
0
FB1106
SELECTOR
0
IC2123
TC7WH157FU
FB1107
0
BUFFER
IC2122
TC74VHC14FT
C2131 C2122 C2145
0.1 0.1 0.1
(Page 39)
R2137 C2123
100 100p
R2130
10k
DI
DO
ERROR
BPSYNC C2140
22
C2127
AUTO 50V
0.1
R2140
DGND
4.7k
DVDD
F3/P3/C3
F2/P2/C2
F1/P1/C1
F0
CSFLAG
FB1104
AUDIO
C2134
0.1
TC7WU04FU
FB1105
VCC
FB2155
0
R2158 R2136
100 100
C2137 CLOCK OSC
C2138
47
0.1
16V
R2134 D1101
1k 1SS355
R2133
100
R2135 C2121
1M 470p
FB2154 R2156
FB2153 R2155
40 40
R2122
100
R2139 100
R2138
100
R2148
0
C2141
0.1
1/2 DIVIDER
IC2124
TC7WH74FU
FB1109
IC2125
0
GND
R2143
220
R2121
1M X1101
24.576MHz
C2142 C2143
12p 10p
100
100
DIR XMODE
DIR CLKSEL
DIR CLK
DIR CE
DIR DI
DIR DO
DIR ERR
R2152
100
(Page 44)
DIR XSTATE
DIR DATAO
DIR CLKSW
(Page 43)
H2
(Page 42)
H3
H4