iLO IWF2706, Service Manual

Page: 27 / 60

7-2
DTV Block Diagram
L4803BLD
MAIN CB
A
DIGIT
AL CB
A UNIT
IC253
(DEMODULA
T
OR)
IC201 (DDR SDRAM)
IC252 (A
UDIO D/A CONVER
TER)
IC101
(MPEG DECODER)
Q243
Q244
Q245
Q251
DEMODULA
T
OR
TU11
CN102
CN902
CN101
CN901
CN102
CN902
CN101
CN901
CN101
SCL SD
A
DTV
-S-SREQ
DTV
-S-SCLK
DTV
-S-SIN
DTV
-S-SOUT
SCL SD
A
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-A
GC
D-IF-A
GC
9
TU-SCL
4
VIDEO ENCODER
MPEG-2 DECODER
VIDEO INTERF
A
CE
SERIAL DECODER
AU
D
IO
INTERF
A
C
E
MEMOR
Y
CONTR
OLLER
A
UDIO D/A
CONVER
TER
D
AT
A
B
US (D0-D15)
ADDRESS B
US (A0-A12)
T
O
IF/VIDEO
BLOCK TO
A
U
D
IO
BLOCK JK742 DIGIT
AL-
A
U
DIO-OUT
(CO
AXIAL)
TO SYSTEM CONTR
OL
BLOCK
DTV
-Y
DTV
-Cb
DTV
-Cr
DTV
-A
UDIO(L)
DTV
-A
UDIO(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
B
U
FFER
B
U
FFER
B
U
FFER
Q257
B
U
FFER
Q256
B
U
FFER
E1,E2,F1,G1,H1,H4,
J1,J2,K1,K3,K4,L1,L2
28-32, 35-42
D
AT
A
B
US (D0-D15)
IC202
(FLASH MEMOR
Y)
ADDRESS B
US (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
B
U
FFER
VIDEO SIGNAL
IF SIGNAL
A
U
DIO SIGNAL
WF19
WF21
WF20
TU-SD
A
RESET
D-IF1 D-IF2
D-IF-A
GC
TU-SCL TU-SD
A
5
11 12
9
DTV
-Y
18
DTV
-Cb
20
DTV
-Cr
19
18 20 19
DTV
-A
UDIO(L)
15
DTV
-A
UDIO(R)
16
15 16
SPDIF
2
2
SCL
15
SD
A
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 CONTR
OLLER
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