Schematic Diagram - Digital Board (4/8) - Sony STR-DB2000 Service Manual

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6-32. SCHEMATIC DIAGRAM – DIGITAL Board (4/8) – •
3 7 6 3 1 5 1 5 0
(4/8)
V3-OPT
(Page 51)
T E
L 1 3 9 4 2 2 9 6 5 1 3
DIR CLKSEL
FSSEL
(Page 50)
w w w
DIR XMODE
DIR CLK
DIR CE
DIR DI
DIR DO
.
DIR ERR
(Page 51)
DIR XSTATE
DIR DATAO
•
See page 68 for Waveforms. See page 69 for IC Block Diagram.
D2122 R2144
1SS352 100k
C2124
220
10V
R2145
Q2123
10k
RT1N141C-T
INVERTER
C2129
0.1
Q2122
C2128
RT1N141C-T
330 R2141
16V 47k SWITCHING
C2139
C2126
3.3
2.2
50V
C2130
0.1
R2125 47k
C2136 0.047
C2135 0.01
C2133
FB1101 0.1
FB1107
0
FB1103
C2122
0.1
R2157
FB2156 0
C2145
0.1
B3
B1
BUFFER
IC2122
TC74VHC14FT
B2
B4
B5
x a o
y
B6
B7
i
FB2154
B8
B9
B10
FB2153
http://www.xiaoyu163.com
8
(Page 44)
R2131 10k C2123 100p
C2132 R2130
0.001 10k
R2137
100
DISEL DI
DOUT DO
DIN0 ERROR
DIN1 BPSYNC
DIN2 AUTO
DGND DGND
DVDD DIGITAL AUDIO DVDD
INTERFACE RECEIVER
R F3/P3/C3
IC2121
VIN LC89056W F2/P2/C2
LPF F1/P1/C1
AVDD F0/P0/C0
Q Q
AGND CSFLAG
3 7 6 3
AUDIO
R2136
100
R2148 C2134
100 0.1
R2134
1k
D1101 C2121
1SS352 470p
R2135
1M
VCC
SWITCHING GND
IC2123
TC7S08FU
u 1 6 3 R2149
10k
R2156
.
100
R2155
100
47 47
http://www.xiaoyu163.com
2 4
9 9 8
R2122
100
B6
R2140
4.7k
R2139 100 B7
R2138 100 B8
R2152
C2140 100
C2127 22
0.1 63V
B1
R2146
100
1 5 1 5 0 8 9 2 4
R2133
100
C2147
0.1
C2146 R2143 C2143
0.1 220 10p
X1101
GND
12.288MHz
CLOCK OSC VCC
IC2124 m
TC7SU04FU
c o R2121 C2142
1M 12p
STR-DA2000ES/DB2000
2
9 9
FF3
FF1
FF2
FF4
(Page 44)
KK1
KK2
9 8 2 9 9
(Page 48)
KK3
KK4
KK5
HH1
(Page 46)