Power Block Diagram - Panasonic TX-23LX50M Service Manual

11.3. Power Block Diagram

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