Toshiba DVR80KF - Page 55

1-13-11
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
E9TK5BLDTV
DTV Module Block Diagram
BOARD AV
BOARD DTV MODULE UNIT
IC2500
(DVB-T DEMODULATOR)
IC2602 (DTV SIGNAL PROCESS)
IC2901
(OP AMP)
IC2603
(MEMORY)
ADC
/AGC I/F
/DEMOD.
/DECODER
DTV
DIGITAL SIGNAL
PROCESS
TU1800
(TUNER UNIT)
DIF-OUT1
CN1800 CN2700
DIF-OUT2
IF-AGC
SDA
SCL
REC VIDEO SIGNAL REC AUDIO SIGNAL
11DIF-OUT1
22DIF-OUT2
33IF-AGC
13 28DTV-C
14 29 DTV-AUDIO(L)
15 30 DTV-AUDIO(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
Q1804,Q1807
Q1803,Q1806
SPI-DATA0
SPI-DATA1
SPI-CLK
SPI-CE
SPI-DATA0
SPI-DATA1
SPI-CLK
SPI-CE
44
VIDEO
ENCODER
AUDIO
INTERFACE
AUDIO
D/A
CONVERTER
44TU-SDA
55TU-SCL
15 15DTV-TXDDTV-TXD
DTV-RXD
DTV-SYS-RESET
14 14DTV-RXD
12 12 DTV-SYS-RESET
9
10
CN1800
L-CH
R-CH
SDA
SCL
TO VIDEO
SELECTOR
BLOCK DIAGRAM
TO AUDIO
SELECTOR
BLOCK DIAGRAM
TO SUB SYSTEM
CONTROL
BLOCK DIAGRAM
TO SERVO
/SYSTEM
CONTROL
BLOCK DIAGRAM
CN1800CN2700
CN1800CN2700
IIC-BUS SDA
IIC-BUS SCL
DTV-C
11 26DTV-Y 118
95
93
97
94
96
49
50
47
64
102
103
44
43
100 1
48
DTV-Y
DTV-AUDIO(L)
DTV-AUDIO(R)
DTV-TXD
DTV-RXD
DTV-S-SCLK
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
SW
SW
DTV-SYS-RESET
RESET
SDA
SCL
RESET
SDA
SCL
VIDEO
D/A
CONVERTER
Q1805
P-ON+5V