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
IC1108
2
STB3.3V VDD
Q1102
Q4089 Q4088
INV POW
Q4095 Q4094
IC4017
GC3FM
YUVO0 20
56 VIN0
VIN1
42 YUVO9 8
5
MDO0
3
GC3_RST 33
NRST
143
MDO10 136
102 HADIN2
95 MDIN0
132
HADIN9
26
SDA0(3.3V) SDA
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
SCL0(3.3V) 55
SCL
GC3 RST 58
RSTN
RESET
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
Q1104
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
YOUT3
3
YOUT7
IC1114 IC1115
64Mbit SDRAM 16Mbit FLASH
16 12
WR 50
46
CSROM
GC3 RST
78
GC3 RST
91 MAIN POW
MAIN ON
OVP
SOS 93
SDA0(3.3V)
SCL0(3.3V)
SDA0 75
SCL0 74
SDA1 99
SCL1 98
SDA2
101
SCL2 100
EEPROM-WP 76
97
LCD MUTE
PANEL ON 82
IC4022
LCD MUTE
64Mbit SDRAM
SDRAM A
IC4023
64Mbit SDRAM
DA/AD
ETC
SDRAM B
PLL
I/F
LCD_R0
DATA
DRIVER(R)
LCD_G0
DATA
DRIVER(G)
LCD_B0
DATA
DRIVER(B)
GC3I
26 11
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
SCL1
5 19 SCL1(5V
6 SDA2 18
SDA2(5V
7 SCL2 17 SCL2(5V
5
SDA
IC
6
SCL
Q1103
7
WC
IC4025
LVDS
2 TD1
3
TA5
50
TD0
LCD_R7
51
TA0
52
TA1
54
TA2
55
TA3
56
TA4
4
TA6
6
TB0
7 TB1
LCD_G7
8
TD2
10
TD3
11
TB2
12
TB3
14
TB4
TCL
TCL
15
TB5
16
TD4
18
TD5
LCD_B7
19
TB6
20 TC0
22
TC1
23
TC2
24
TC3
36