FUNAI WD6D-M100, Service Manual

Page: 51 / 99

1-12-11 E9TFABLDTV
DTV Module Block Diagram
A
V
CB
A
DTV MODULE CB
A UNIT
IC2500 (D
VB-T DEMODULA
T
OR)
IC2602
(DTV SIGNAL PR
OCESS)
IC2901 (OP AMP)
IC2603 (MEMOR
Y)
ADC /A
GC I/F
/DEMOD
.
/DECODER
DTV DIGIT
AL SIGNAL
PR
OCESS
TU1800 (TUNER UNIT)
DIF-OUT1
CN1800
CN2700
DIF-OUT2
IF-A
GC
SD
A
SCL
REC VIDEO SIGNAL
REC AUDIO SIGNAL
33
DIF-OUT1
22
DIF-OUT2
11
IF-A
GC
23
23
DTV
-C
25
25
DTV
-A
UDIO(L)
27
27
DTV
-A
UDIO(R)
18 19 20
30 31
122
1 7
2 6
110 109
105 106 16 17 15 13
6 1 2 5
15 14
39
SPI-D
A
T
A0
SPI-D
A
T
A1
SPI-CLK SPI-CE
SPI-D
A
T
A
0
SPI-D
A
T
A
1
SPI-CLK
SPI-CE
44
VIDEO ENCODER AU
D
IO
INTERF
A
C
E
A
UDIO
D/A CONVER
TER
66
TU-SD
A
55
TU-SCL
15
15
DTV
-TXD
DTV
-TXD
DTV
-RXD
DTV
-SYS-RESET
14
14
DTV
-RXD
12
12
DTV
-SYS-RESET
9
10
CN1800
L-CH R-CH
SD
A
SCL
T
O
VIDEO
SELECT
OR
BLOCK DIA
GRAM
T
O
A
UDIO
SELECT
OR
BLOCK DIA
GRAM
T
O
SUB SYSTEM
CONTR
OL
BLOCK DIA
GRAM
CN1800
CN2700
CN1800
CN2700
DTV
-C
21
21
DTV
-Y
118
95 93 97 94 96
49 50 47 64
102 103
44 43
100
1
48
DTV
-Y
DTV
-A
U
DIO(L)
DTV
-A
UDIO(R)
DTV
-TXD
DTV
-RXD
CN2701
SDRAM I/F
IC2800
(DDR SDRAM)
*1
*1
51,53~59,65~72
*2
*2
64,75~80,86~89,91
*3
22~26,29~35
*4
2,4,5,7,8,10,11,13,42,44,45,
47,48,50,51,53
*3 *4
DATA BUS(0-15) ADDRESS BUS(0-11)
DDR SDRAM
DTV
-SYS-RESET
RESET SD
A
SCL
RESET
SD
A
SCL
VIDEO D/A CONVER
TER