Read Panasonic TX-23LX50M / TX-23LX50A / TX-23LX50X Service Manual online
11.3. Power Block Diagram
VCC
GND
OUT
TNRMSP_5.0V
AUDIO_9V
5.0V
SBY3.3V_D
SBY5.0V
8.0V
SW890
ESB92DA1B
INV_24V
AUDIO_9V
5.0V
24
VDDPAD12
12
V_OUT
IC1102
FOR
MAIN3.3V
139
4
41
129
23
SDRAM
11
VDD33RGB
VDDD4
5
VDD33FBL
VCC
5V
1.8V_A
TP104
75
1
VDD_CORE3
9
VDDPLL
1.8V
B7
3.3V_D
D851
LED_R
1.8ANA
1
66
1.8V
ST_ON
91
VDDP2
DVSUP
VDD_CORE2
2
25
5
62
STANDBTQ
5V
BM
24
IN
44
Q851
VDD_CORE1
1.8V
VDD_CORE4
68
VPP
IC2251
80
VDDAC1
75
PROT1
V_IN
A2
V_OUT
5
V_OUT
STB 5V
16
1
1
4
STBY_LED
118
IC854
STB 3.3V
VCC
VDDDACY
USE
IC853
AUDIO AMP
STB 2.5V
TMS
MCU
VCC
REMOTE RECEIVER
VDD3.3
STB2.5V_D
A7
VDDAC2
MULTI SOUND PROCESSOR
D857
92
62
28
IC1701
VDD3.3
TUNER
40
5V
IC1100
8
VDDARGB
16
(5.0V-3.3V)
VIDEO SIGNAL PROCESSOR
46
VDD3.3
FACTORY
SBY 2.5V
DVSUP
PROT2
39
VDD3.3
8
VDDP3
14
VDDDACY
A6
50
59
IC2501
VDD33C
64
RST
IC1106
5V
15
VDDPAD2
24
78
75
21
BTL
INV_ON
134
STB 5V
VDDD3
VDD33RGB
SBY 5.0V
12
IC852
1
VCC
11
35
V_IN
OUT
V-BOARD
72
13
VDDAFBL
KEY
MSP_8V
143
VDDPAD6
3
42
VDDAPLL
34
VDDPAD8
A4
VDDPAD10
48
IC851
AVSUP
40
78
1
4
33
MAIN 3.3V
VDDPAD5
22
VDDPAD3
VCC
86
26
12
VDDPAD4
12
11
LVDS_VCC
TU100
5.0V
RM201
TX-23LX50A/M/X
Power Block Diagram
Power Block Diagram
TX-23LX50A/M/X
Power Block Diagram
Power Block Diagram
5
AVSUP
VDDDI
96
LCD DRIVER
VDDPAD1
IC1700
3
VDDDACU
12
RC_IN
A-BOARD
32
13
STB2.5V_A
20
57
V1
VCC
KEY SCAN
56
13
VDDA2.5
22
STB3.3V_D
VDDPAD9
3.3DIG
VDDA2.5
15
VDD2.5
65
66
6
44
34
VDD2.5
PROM
73
IC1500
4
50
VDDARGB
Q1223
31
7
13
4
VDDAFBL
32
VCC
44
RESET
RS
VDDD2
LVDS TRANSMITTER
IC1103
2
AHVSUP
IC1104
1.8V_D
LEVEL CHANGE
3.3ANA
VDD
DVSUP
4
32
VDDP1
OUT
3
68
1.8DIG
IC1101
VDDPAD7
STB 3.3V
STB 3.3V
112
PLL_VCC
1.8V
3.3V_A
5V
123
8
REMOTE
104
TP2207
V_IN
POW ON
VDDPAD11
EEPROM
VDDPAD13
5
15
21
AP3
20
13
2
16
14
1
12
AP1
8
9
7
16
10
11
30V
24V
24V
24V
24V
24V
24V
2
IC801
AUDIO VCC 9V/1.2A
V IN
1
SW OUT
2
AP4
3
2
AP5
STBY5V
TO
4
2
3
1
5
24V
24V
24V
24V
24V
12
11
INV_ON
INV_SOS
INPUT_(_VIN_)
IC802
2
1
MAIN5V/2A
OUTPUT_(_V_OUT_)
13
14
15
16
12
21
22
23
SW OUT
IC803
1
1
MAIN1.8V/0.6A
V IN
4
20
1
KEY_SCAN
AP2
1
K3
1
AC IN
110-240V
3
K2
1
1
4
K1
K-BOARD
Q201
14
15
A3
AUDIO_VCC
13
1
2
AUDIO_VCC
16
21
AUDIO_VCC
20
30V
AUDIO_VCC
INV_SOS
INV_ON
INV_24V
POW_ON
LCD PANEL
INVERTER
TO
CN301
LED_R
DOWN
SW305
STR
FUNCTION
SW302
SW301
TV/AV
UP
SW304
SW303
POWER
SWITCH
50/60Hz
COLD
HOT
CN101
TO
A5
26
PANEL 5V
PANEL 5V
LCD PANEL
30
5V_DET
15
Q1102,Q1103
PANEL_5V_ON
44
Q1706
Q1700
Q1105
TX-23LX50M / TX-23LX50A / TX-23LX50X
25
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