Toshiba SD-2550A Service Manual page 76

4-4-2. Logical System Block Diagram
IC401
TC94A03F
DATA PRO-1
From
IC502 143 RFDVD PD0
PIN30
PD7
PDCK
PDREQ
PDSYC
PD8
1M DRAM
IC402
M11B11664A-30T
16M FROM
IC309
MBM29LV160BE
64M-SDRAM
IC305
MT48LC2M32B2
60
DISC STREAM
62
DATA 8bit
65
67
69
73
72
71
70
3-13
IC301 IC304
ZR36732 MM1567AJBE
AV MAIN PROCESSOR
VIDEO DRIVER
152 DVDDA0
2 CIN
153
DVDDA1
154
DVDDA2
4
VIN
155 DVDDA3
156 DVDDA4
6 YIN1
157
DVDDA5
158
DVDDA6
C OUT 106 14 C IN
B B
159 DVDDA7
C R OUT 105 16 C IN
R
150 DVDSTRB
149 DVDALID
COUT 103
148 DVDSOS
147 DVDERR
YOUT 102
IC901
AD1958
AUDIO DAC
141 5
ABCLK BCK
ALRCLK 139 4 LRCK
SPDIF 133 6 SDATA
136
AOUT 0
IC901
TC7SU04F
2
MAIN UNIT
VOUT 27
COUT 25
YOUT1 23
YOUT2 20
C OUT 18
B
C R OUT 16
IC912 Q910
NJM4580E HN-1C03F
23 2 1
VOUTL
MUTE
VOUTR 20 6 7
IC902
TC7WU04F
1 7
4
3 5
6 2
3-14
J301
P
R
P
B
Y
COMPOSITE
VIDEO
C
S TERMINAL
Y
Lch OUT
Rch OUT
DIGITAL OUT
(COAXIAL)
IC914
TOTX178A
Fig. 3-4-7