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TH-42PH9WK / TH-42PH9WS
14.24. DA-Board (2 of 2) Block Diagram
DA
DIGITAL SIGNAL PROCESSOR
MICON
R,G,B MAIN VIDEO 24bit
1
R,G,B SUB VIDEO 24bit
2
HD,VD,DCK
3
CLK1
4
5
CLK3
6
OSD
7
IC4956
STB+5V
STB 3.3V
STB+3.3V
1
VDD
VOUT
5
IC4953
STB 1.5V
STB+1.5V
5
VIN
VOUT
4
8
TH-42PH9WK/WS
DA-Board (2 of 2) Block Diagram
IC4502
128M DDR SDRAM
+2.5V
A0
DQ0
IC4501
VDD
A11
DQ31
SIGNAL PROCESSOR
FORMAT CONVERTER
ADDRESS
DATA
DDR-SDRAM
INTERFACE
DIGITAL
PICTURE
I/P ,FORMAT
SIGNAL
IMPROVER
CONVERTER
PROCESSING
HD,VD
DCK
IIC
BUS
P3V_SDA2
IIC
P3V_SCL2
CONT
CLK
CONTROL
XRST/XSYNCRST
NRST
IC4671
OSC
SSCLK
1
4
XIN
X4501
IC4500
20MHz
+3.3V
CLOCK GENE.
IC4952
DC-DC CONVERTER
P+15V
15V
2.5V
21
VIN
VCC
19
OUT1
CB
20
16
17
OUT2
VDD
S1
G1
S2
G2
18
LX
D1
D1
D2
D2
13
-INC
CTL
Q4903
+2.5V
23
P+15V
VO
24
FB
Q4962
Q4961
+1.5V
+2.5V
+3.3V
1.5V
2.5V
3.3V
ROUT
ROE0-ROE9
GOE0-GOE9
GOUT
COLOR SIGNAL
PROCESSOR
BOE0-BOE9
BOUT
COLOR Adj.
VOUT
VSOE
CONTRAST Adj.
OSD MIX
HOUT
HSOE
WHITE BALANCE
Adj.
CLK
CLKOE
GAMMA cor.
OSD INPUT
IC4951
DC-DC CONVERTER
P+15V
P+15V
15V
3.3V
5
21
VIN
VCC
5
19
OUT1
CB
20
16
17
OUT2
VDD
S1
G1
S2
G2
18 LX
D1
D1
D2
D2
9
13
-INC
CTL
9
Q4902
+3.3V
23
VO
24
FB
5 VDD
VOUT
1
IC4901
AVR 5V
84
TA-
31
4
TA+
30
33
5
TB-
29
59
38
TB+
61
28
TC-
25
40
6
TC+
24
8
42
TCLK-
62
44
23
63
TCLK+
10Bit LVDS
46
22
TD-
21
48
1
TD+
20
9
50
TE-
11
52
19
64
TE+
54
18
57
TC5
/PDWN
13
55
TC4
12
CLKIN
IC4301
LVDS TRANSMITTER(10bit)
IC4955
DC-DC CONVERTER
15V
1.5V
P5V_DC
21
5
VIN
VCC
19
OUT1
CB
20
16
OUT2
VDD
17
S1
G1
S2
G2
18
LX
D1
D1
D2
D2
13
-INC
CTL
9
Q4901
+1.5V
23
VO
24
FB
5
VDD
VOUT
1
IC4957
AVR 5V
TH-42PH9WK/WS
DA-Board (2 of 2) Block Diagram
TO D5
DA5
4
TX_TE+
5
TX_TE-
7
TX_TD+
8
TX_TD-
10
TX_TCLK+
11
TX_TCLK-
13
TX_TC+
14
TX_TC-
16
TX_TB+
17
TX_TB-
19
TX_TA+
20
TX_TA-
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