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11.4. Signal Block Diagram
VCC
GND
OUT
Y_DET
S_DET
Y_DET
SPR
SPL
AV2L
AV1R
AV1L
AV2L
AV1L
AV1R
LOUT
AV2R
AV2R
ROUT
ROUT
LOUT
LOUT
SW1
SW2
SW1
SW2
S_DET
ROUT
INV_24V
STB3.3V_D
8.0V
AUDIO_9V
5.0V
PANEL_5V
5.0V
1
2
3
4
5
6
7
Y
56
55
C
V
57
AV1
XIN
XOUT
70
69
40
AV2
39
41 PB
V
PR
53
Y
52 TV_V
RST
21
14
CVBS
42
S_DET
50
OE/RST
Y_DET
24
43
KEYSCAN
33
44
RC_IN
STBY_LED
30
HS
VS
29
57
OSD B
58
OSD G
OSD R
59
62
ST_ON
DACML 28
DACMR 27
OUTL
OUTR
37
36
56
SC1_IN_R
SC1_IN_L
57
50
SC3_IN_L
A5
31
32
656I00
61
CVBSO3
CVBSO1
63
23
V OUT
IC1500
VIDEO SIGNAL PROCESSOR
11
SDA
VIDEO OUT
10
12
AFT
17
SCL
TU100
TUNER
TUNER
MULTI SOUND PROCESSOR
IC2501
IC1100
MCU
LCD PANEL
H_IN
9
12
YIN.7
8
19
YIN.0
V_IN
93
R1.7
82
R1.0
103
94
G1.0
G1.7
115
B1.7
B1.0
106
SCL
SDA
4
7
122
125
132
GIN1
RIN1
131
133
BIN1
38
AI_OFF
LCD DRIVER
IC1700
SDA2(3.3V)
SCL2(3.3V)
12
A2
11
13
LED_R
STB 3.3V
REMOTE
SP_L-
2
6
4
5
3
7
STB 3.3V
SP_R+
SP_L+
HP_L
HP_R
SP_R-
1
A4
4
POW_ON
KEY_SCAN
21
INV_ON
A3
OSD B
OSD G
OSD R
STBY_LED
STBY_LED
25
AFC
120
121
PMP2
PMP1
Q1714,Q1718
22
23
INV_ADIM
INV_PWM
PCS1
PCS2
14
SIF OUT
17
H OUT
Q1513,Q1503,Q1501
SDA
6
SCL
13
RESET
24
656I07
10
15
16
21
22
30
V
L
R
R
L
V
PR
PB
Y
R
L
V
AV2
21
A2
2
A1
5
4
19
IC1106
A3
20
23
LEVEL CHANGE
22
A4
OE
3
10 A9
14
B1
B4
B3
B2
B9
SCL1(EEP5V)
SDA2(5.0V)
SDA1(EEP5V)
SCL2(5.0V)
RESET
IC1104
4
2
Q1500,Q1502
Q1101
51
67
21
3
4
10
6
IN1
IN2
OUT1+
2
OUT2+
12
OUT1-
OUT2-
AUDIO AMP
IC2251
8
SCL2(3.3V)
SDA2(3.3V)
11
34
SDA2(3.3V)
SCL2(3.3V)
12
9
SCL1(EEP)
SDA1(EEP)
10
46
13
BUSREQ
INV_ON
45
SMUTE
16
WP
6
16
B5
B7
18
IC1106
LEVEL CHANGE
8
A5
A7
(1/2)
(2/2)
(5.0V-3.3V)
Q1105
Q1223
SDA2(3.3V)
SCL2(3.3V)
SDA1(EEP)
SCL1(EEP)
A-BOARD
SC3_IN_R
ANA_IN+
RESETQ
SCL2(5.0V)
SDA2(5.0V)
IC1102
SDRAM
IC1103
80
PCK1
X1500
JK001
AV1S
AV1
MONITOR
OUT
RST3.3
C
Y
R_SW
(5.0V-3.3V)
COMPONENT
AV2
Q2257
Q2256
Q2255
9
VOL
Q2003
Q2001
Q2502
Q2501
MUTE
78
77
D_CTR_I/O_1
D_CTR_I/O_0
SCL2(5.0V)
SDA2(5.0V)
Q1515
AFC
Q101
TV-V
RESET
2
V_OUT
H_OUT
22
23
HS_OSD
VS_OSD
2
I2C_DA
I2C_CL
X2501
71
72
X_IN
X_OUT
2
4
6
8
10
20
16
18
14
12
30
26
29
27
28
TD-
TA-
42
37
46
41
38
45
40
TC+
47
TA+
TC-
TB+
TB-
48
TCLK+
TD+
39
DAC OUT
2
IC1101
5
6
WC
EEPROM
7
SCL1(EEP)
SCL
SDA1(EEP)
SDA
Q1012
Q1716
Q1715
Q1703
Q1707
Q1711,Q1710
Q1701
Q1705
Q1717
INV_SOS
20
41
PROT2
X1100
52
53
PROT1
31
Q851
D857
D851
56
50
3
2
14
4
24
15
32 /PDMN
PCS3
126
30
27
28
31
LCD_DEN
LCD_HS
LCD_VS
LCD_CLK
LVDS
IC1701
TRANSMITTER
TCLK+
TA0
TA6
TB6
TB0
TC0
TC6
TD6
TD0
TX3-
TX0-
TX2-
TX1-
TCLK-
TX2+
TX3+
TX0+
TCLK+
TX1+
D0-D7
A0-A19
D0-D7
A0-A19
A0-A18
D0-D7
PROM
16
5.0V
XTAL2
XTAL1
SW1
SW2
5
6
TX0-
TX3-
TX1-
TCLK-
TX2+
TX3+
TX2-
TX0+
TCLK+
TX1+
PANEL_5V
PANEL_5V
PANEL_5V
PANEL_5V
PANEL_5V
LVDS_OPTION
21
32
LVDS_ON
26
BATS
15
BATS
V1
15
2
6
4
5
3
7
16
12
11
13
V2
3
4
2
1
JK201
SN201
RM201
Q201
LED_R
REMOTE RECEIVER
V-BOARD
R
SPEAKER
R-
R+
1
AP4
4
20
21
AP3
22
23
INV_ON
INV_SOS
INV_PWM
INV_ADIM
12
14
AP5
13
11
SDA2(5.0V)
SDA2
4
FACTORY
5
SCL2(5.0V)
STB 5.0V
SCL1
6
SDA1
SDA1(EEP5V)
BUSREQ
USE
2
FOR
A6
STB5.0V
SCL1(EEP5V)
1
SCL2
7
L
SPEAKER
L+
L-
AP-BOARD
FUNCTION
DOWN
TV/AV
STR
UP
1
KEY_SCAN
AP2
1
K3
SW301
SW302
SW303
SW304
SW305
K-BOARD
TO
AP1
20
POW_ON
CN301
P3.3
TX-23LX50A/M/X
Signal Block Diagram
Signal Block Diagram
TX-23LX50A/M/X
Signal Block Diagram
Signal Block Diagram
TX-23LX50M / TX-23LX50A / TX-23LX50X
26
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