iLO IWF2706 - Page 27

7-2
DTV Block Diagram
L4803BLD
MAIN CBADIGITAL CBA UNIT
IC253 (DEMODULATOR)
IC201
(DDR SDRAM)
IC252 (AUDIO D/A CONVERTER)
IC101 (MPEG DECODER)
Q243
Q244
Q245
Q251
DEMODULATOR
TU11
CN102CN902 CN101CN901
CN102 CN902
CN101 CN901
CN101
SCL SDA DTV-S-SREQ DTV-S-SCLK DTV-S-SIN DTV-S-SOUT
SCL SDA DTV-S-RESET DTV-S-SREQ DTV-S-SCLK DTV-S-SIN DTV-S-SOUT
CN901
14 15 12
8 9
11 10
119
59 51 63
67 71 72
7 15
14
6 8 5 2 3
D-IF1
11
D-IF2
12
D-IF-AGC
D-IF-AGC
9
TU-SCL
4
VIDEO ENCODER
MPEG-2 DECODER
VIDEO INTERFACE
SERIAL DECODER
AUDIO INTERFACE
MEMORY CONTROLLER
AUDIO D/A CONVERTER
DATA BUS (D0-D15) ADDRESS BUS (A0-A12)
TO IF/VIDEO BLOCK TO AUDIO BLOCK JK742 DIGITAL- AUDIO-OUT (COAXIAL)
TO SYSTEM CONTROL BLOCK
DTV-Y
DTV-Cb
DTV-Cr
DTV-AUDIO(L)
DTV-AUDIO(R)
(L-CH) (R-CH)
AA12
Y12
W13
W4
Y3
AA3
AA16
Y17
AA18
AA6
Y7
W7
AA5
W9
AA8
V9
Y6
V11
W3
Y2
AA2
BUFFER
BUFFER
BUFFER
Q257
BUFFER
Q256
BUFFER
E1,E2,F1,G1,H1,H4,
J1,J2,K1,K3,K4,L1,L2
28-32, 35-42
DATA BUS (D0-D15)
IC202
(FLASH MEMORY)
ADDRESS BUS (A1-A22)
L20,L21,M21,N20,N21,
P19-P21,R19-R21,T19-T21,
U20,U21
A18-A20,B18,B19,B21,
C17-C21,D18-D21,E19,E20,
F19,G20,G21,H19,H20
29-36, 38-45
1-10,13,
16-25,48
AA10
BUFFER
VIDEO SIGNALIF SIGNAL
AUDIO SIGNAL
WF19 WF21
WF20
TU-SDA
RESET
D-IF1 D-IF2
D-IF-AGC
TU-SCL
TU-SDA
5
11 12
9
DTV-Y
18
DTV-Cb
20
DTV-Cr
19
18 20 19
DTV-AUDIO(L)
15
DTV-AUDIO(R)
16
15 16
SPDIF
2
2
SCL
15
SDA
14
15 14
DTV-S-SREQ
7
DTV-S-SCLK
8
DTV-S-SIN
9
7 8 9
DTV-S-SOUT
10 10
4 5
WF18
WF13
DDR SDRAM CONTROLLER
WF17
WF16
WF14
WF15
DTV-S-RESET
DTV-S-RESET
12 12
2,4,5,7,8,10,11, 13,54,56,57,59,
60,62,63,65
A3-A8,A12-A17,
B4,B8,B12,B16
RESET
4