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14.23. D-Board Block Diagram
D
Digtal Signal Processor Board
TO DG3
D3
NCLP S
NCLP S
31
VD S
VD S
32
HD S
HD S
34
5V
5V
29
Y S
40
PB S
38
PR S
36
PWR STATUS
POWER STATUS
15
REMOTE OUT
REMOTE OUT
25
CABLE DET
CABLE DET
13
TXD TU
TXD TU
17
RXD TU
RXD TU
19
RESET
RESET
11
TXD PC
TXD PC
21
RXD PC
RXD PC
23
STB ON
STB ON
28
SOUND MAIN MUTE
12
RTC INT
REAL TIME/INTRA
27
TH-42PA20B/E D-Board Block Diagram
IC9302
P5V
AVR 3.3V
1
3
2
IC9010
P5V
AVR 3.3V
1
4
5
IC9023
LEVEL SHIFT
5V
IC9009
A/D CONVERTER (S)
Y/G IN
48
CLP
Pb/B IN
43
CLP
Pr/R IN
CLP
54
SDA2
57
SDA2
SYNC/SEPA
SCL2
58
SCL2
38
MUTE
IC9001
P5V
AVR 3.3V
3.3V
1
3
3.3V
2
IC9006
P5V
AVR 3.3V
3.3V
3.3V
1
3
2
NCLP S
VD S
HD S
3.5V
B(8Bit)
B0
19
B
B7
12
110M
G(8Bit)
8BIT
G0
9
G
ADC
G7
2
R(8Bit)
R0
77
R
R7
70
VDIA S
VSOUT
64
HDIA S
HSOUT
66
DATACK
PLL
67
30
31
IC9016
P5V
AVR 3.3V
1
4
5
IC9017
P5V
AVR 3.3V
1
4
5
IIC CONT
IC9702
EEPROM
IIC
5V<->3.3V
SDA1
SDA
5
Q9704
SCL1
SCL
6
IIC
5V<->3.3V
Q9703
SD
SC
IC9007
P5V
AVR 3.3V
3.3V
1
3
3
2
IC9153
P5V
AVR 3.3V
3.3V
3
1
4
5
IC96
RE
STB5V M
IC9701
MICRO PROCESSOR
75
89
90
8
70
71
87
88
99
59
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