Panasonic TX-22LX2 Service Manual page 22

IC1113
OR GATE
5
6
4
1
3
2
IC1109
SERIAL DATA BUFFER
SDA0
2 22 SDA0(5V)
3 SCL0 21 SCL0(5V)
4 SDA1 20
SDA1(5V)
5 SCL1 19 SCL1(5V)
6 SDA2 18 SDA2(5V)
SCL2
7 17 SCL2(5V)
5
SDA
IC1107
6
SCL
EEPROM
Q1103 7
WC
2
AM
3
IC4025
AM
LVDS
2
TD1
3
TA5
50
TD0
51
TA0
52 TA1
TA+ 47
54
TA2
TA-
55 48
TA3
56
TA4
TB+ 45
TB-
4 TA6 46
6
TB0
TC+ 41
7
TB1
8 TC- 42
TD2
10
TD3
TD+
37
11 TB2
12 TD- 38
TB3
14
TB4
TCLK+
39
15 TCLK- 40
TB5
16 TD4
18
TD5
19
TB6
20
TC0
22
TC1
23 TC2
24
TC3
36
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DG6
4
RX0+
2 RX0-
8 RX1+
6 RX1-
12 RX2+
10
RX2-
20 RX3+
18 RX3-
16 RXCLK+
14 RXCLK-
Q4093
PANEL 5V 19 PANEL 5V
17 PANEL 5V
Q4092
LCD PANEL
TX-22LX2
Signal Block Diagram