Panasonic TX-22LX2 Service Manual page 21

TX-22LX2
DG-BOARD
LED_R
REMOTE
PANEL HS
21
22
23
24
25
YUV2 YUV9
26
OSD_B
OSD_G
OSD_R
TX-22LX2
Signal Block Diagram
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IC1108
RESET
STB3.3V 2
VDD
Q1102
Q4089 Q4088
INV POW
Q4095 Q4094
Q1104
IC4017
GC3FM
20
YUVO0
56 VIN0
42 VIN1 8
YUVO9
5
MDO0
3
GC3_RST 33
NRST
143
MDO10 136
102 HADIN2
95 MDIN0 132
HADIN9
26 SDA
SDA0(3.3V)
MDIN15
115
25
SCL0(3.3V) SCL
IC4001
OSD RGB A/D
PROUT3
Q4016,Q4026
110
YIN
PROUT7
Q4017,Q4027
41
PBIN
PBOUT2
Q4018,Q4028
44 PRIN
SDA0(3.3V) 54
SDA PBOUT7
55
SCL0(3.3V) YOUT3
SCL
GC3 RST 58
RSTN
YOUT7
IC1114
64Mbit SDRAM
4
RESET
IC1104
MCU
73
RST IN
80 LED R
5
RMCN
INV POW
81
INV ON
KEY
124
KEY
AFC1
125 AFC.DET
A-MUTE
90
MUTE
Q_LINK_SEL
79
Q-LINK-SEL-AV1/AV2
Q_LINK_IN
6 QLINK IN
Q_LINK_OUT
7
QLINK OUT
RESQ
10
RESQ
OSDR
112 OSDR
OSDG
113 OSDG
OSDB
114 OSDB
121
CVBS1A
HSOE
DA/AD
ETC
PLL
I/F
YUVIN0
YUVIN9
MDINA0
MDINA10
MDOA0
MDOA15
GC3_RST NRST
SDA0(3.3V)
SDA
SCL0(3.3V)
SCL
OSDIN0
27
23
OSDIN15
18
13
IC4003
7
GC3I
3
IC1115
16Mbit FLASH
16 12 26 11
IC1113
OR GATE
6
1
WR 50 2
46
CSROM
GC3 RST
78
GC3 RST
91 MAIN POW
MAIN ON
OVP
SOS 93
SDA0(3.3V)
SERIAL DATA BUFFER
SCL0(3.3V)
SDA0 75
SCL0 74
SDA1 99
SCL1 98
SDA2 101
SCL2 100
EEPROM-WP 76
97
LCD MUTE
PANEL ON 82
Q1103
IC4022
LCD MUTE
64Mbit SDRAM
SDRAM A
IC4023
64Mbit SDRAM
SDRAM B
LCD_R0 LCD_R7
DATA
DRIVER(R)
LCD_G0 LCD_G7
DATA
DRIVER(G)
LCD_B0 LCD_B7
DATA
DRIVER(B)
5
4
3
IC1109
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
7
WC
IC4025
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