Toshiba SD-2800 Service Manual - Page 11

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4-4-2. Logical System Block Diagram From IC502 PIN30 IC401 TC94A03F DATA PRO-1 143 RFDVD PD0 60 62 65 67 PD7 69 PDCK 73 PDREQ 72 PDSYC 71 PD8 70 1M DRAM IC402 M11B11664A-30T 16M FROM IC309 MBM29LV160BE 64M-SDRAM IC305 MT48LC2M32B2 DISC STREAM DATA 8bit IC301 ZR36732 AV MAIN PROCESSOR 152 DVDDA0 153 DVDDA1 154 DVDDA2 155 DVDDA3 156 DVDDA4 157 DVDDA5 158 DVDDA6 159 DVDDA7 CBOUT 106 150 DVDSTRB 149 DVDALID 148 DVDSOS 147 DVDERR CROUT 105 COUT 103 YOUT 102 ABCLK 141 ALRCLK 139 SPDIF 133 AOUT 0 136 IC304 MM1567AJBE VIDEO DRIVER 2 CIN VOUT 27 4 VIN COUT 25 6 YIN1 YOUT1 23 14 CBIN YOUT2 20 16 CRIN CBOUT 18 CROUT 16 MAIN UNIT J301 PR PB Y COMPOSITE VIDEO IC901 AD1958 AUDIO DAC 5 BCK 4 LRCK 6 SDATA VOUTL 23 VOUTR 20 IC901 TC7SU04F 2 4 IC912 NJM4580E 2 1 6 7 IC902 TC7WU04F 1 7 3 5 6 2 Q910 HN-1C03F MUTE C S TERMINAL Y Lch OUT Rch OUT DIGITAL OUT (COAXIAL) IC914 TOTX178A Fig. 3-4-7

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IC401
TC94A03F
DATA PRO-1
IC301
ZR36732
AV MAIN PROCESSOR
IC304
MM1567AJBE
VIDEO DRIVER
MAIN UNIT
IC402
M11B11664A-30T
60
143
From
IC502
PIN30
RFDVD
DISC STREAM
DATA 8bit
PD0
PD7
PDCK
PDREQ
PDSYC
PD8
DVDSTRB
DVDALID
DVDSOS
DVDERR
DVDDA0
DVDDA1
DVDDA2
DVDDA3
DVDDA4
DVDDA5
DVDDA6
DVDDA7
1M DRAM
IC309
MBM29LV160BE
16M FROM
IC305
MT48LC2M32B2
64M-SDRAM
62
65
67
69
73
72
71
VOUT
27
COUT
25
YOUT1
23
YOUT2
20
C
B
OUT
18
C
R
OUT
CIN
VIN
YIN1
BCK
LRCK
SDATA
VOUTL
ABCLK
ALRCLK
SPDIF
AOUT 0
VOUTR
C
B
IN
C
R
IN
16
2
4
6
14
16
106
152
153
154
155
156
157
158
159
150
149
148
147
105
103
102
70
C
B
OUT
C
R
OUT
COUT
YOUT
J301
P
R
P
B
Y
COMPOSITE
VIDEO
Lch OUT
Rch OUT
DIGITAL OUT
(COAXIAL)
C
Y
S TERMINAL
2
1
6
7
IC912
NJM4580E
IC901
TC7SU04F
IC902
TC7WU04F
IC914
TOTX178A
5
23
6
4
141
133
136
139
20
IC901
AD1958
AUDIO DAC
Q910
HN-1C03F
MUTE
2
4
1
7
3
5
6
2
Fig. 3-4-7
4-4-2. Logical System Block Diagram