A-Board (12 Of 12) Schematic Diagram - Panasonic TH-42PX75U Service Manual

15.27. A-Board (12 of 12) Schematic Diagram

A-BOARD TNPH0692ABS (12/12)
!
LVDS etc
DTV9V
C4701 C4702 C4703
50V 10V 50V
1000p 0.1u 1000p
SUB5V
C4711 C4712 C4713
10V 10V 50V
0.1u 0.1u 1000p
MAIN9V
C4721 C4722 C4723
10V 50V 50V
0.1u 1000p 1000p
MAIN3.3V
C4741 C4742 C4743
50V 10V 50V
1000p 0.1u 1000p
TH-42PX75U
A-Board (12 of 12) Schematic Diagram
100 101
STB5V
R4166
10k
GenX4
AG_SRQ-GENX
Q4015
2SD0601A0L Genx to (8/12) to (8/12)
R4162
100k
AG_PANEL_STBY_ON/PANEL_VCC_ON
R4167
47k AG_TV_SUB_ON
AG_TV_SUB_ON
Q4014
to (5/12)(8/12)
2SD0601A0L
PANEL_STBY/VCC_ON
STB5V
C4704 C4705 C4751 C4752 C4753 C4754 C4755
10V 10V 10V 10V 10V 10V 10V
0.1u 0.1u
0.1u 0.1u 0.1u 0.1u 0.1u
Lite2
BT30V
to (2/12) PANEL_STATUS
PANEL_STATUS VI2P10
PANEL_SOS VI2P21
VI2P11
C4714 C4715 C4716 C4717 C4718 C4719 C4761 C4762 C4763
50V 10V 50V 50V 50V 50V 50V 50V 50V
1000p 0.1u 1000p 1000p 1000p 1000p 0.01u 0.01u 0.01u
to (3/12)
SUB3.3V
PANEL_MUTE
C4771 C4772 C4773 C4774 C4775 C4776 C4777 C4778 C4779
C4724
50V 10V 50V 10V 10V 50V 10V 10V 10V
50V
1000p 0.1u 1000p 0.1u 0.1u 1000p 0.1u
1000p 0.1u 0.1u
MAIN5V
C4796 C4797 C4798
C4744 C4745 C4746
50V 50V 50V
10V 10V 50V C4795
1000p 1000p
0.1u 0.1u 1000p 50V 1000p
1000p
Lite2
to (2/12)
LVDS OUT
Rx0- TA1N
Rx0+ TA1P
Rx1- TB1N
Rx1+ TB1P
Rx2- TC1N
Rx2+ TC1P
RxCLK- TCLK1N
RxCLK+ TCLK1P
Rx3- TD1N
Rx3+ TD1P
Rx4- TE1N
TE1P
Rx4+
102 103
FOR
STB5V
FACTORY
A18
USE
1
TP4101
STB5V
2
SRQ1
3
GND
SCL 4
GenX SCL1
SDA 5
GenX SDA1
AD_SCL3
6
Lite2 SCL3
AD_SDA3
7
Lite2 SDA3
AD_SCL1 8
Lite2 SCL1
AD_SDA1 9
Lite2 SDA1
R4153
AD_SCL2 100
10
Lite2 SCL2
AD_SDA2 11
Lite2 SDA2
R4154
100
VI2P10
VI2P21
PANEL_SOS D_IIC_CONT
IIC_CONT
31
D_RXD
RXD
30
D_TXD
29 TXD
PANEL_MUTE
28 GND
AR_PANEL_SCL
IIC_SCL2
27
AR_PANEL_SDA
26 IIC_SDA2
25 GND
AD_SCL0
24 PANEL_SCL
AD_SDA0
PANEL_SDA
23
R4864 22 GND
TP4102
VI2P10 (PANEL_STATUS) 1k
PANEL_STATUS
21
R4861 (READY)
TP4103
PANEL_STBY/VCC_ON 1k
PANEL_STBY_ON
R4860 20
TP4104
VI2P21 (PANEL_SOS) 1k
PANEL_SOS
19
(ALARM)
PANEL_MUTE (VMUTE/DISPEN)
PANEL_MUTE
18
(DISPEN)
INEXCH
17
(GND)
GND
16
FL4800
J0JAD0000028
15 Rx0-
TP4806
4 14 Rx0+
TP4809
3
TP4800
GND
13
2
TP4803
1 Rx1-
12
11 Rx1+
FL4801
J0JAD0000028
10 Rx2-
TP4807
4 Rx2+
TP4810 9
3
TP4801
8 GND
2
TP4804
1 7 RxCLK-
6 RxCLK+
FL4802
J0JAD0000028 GND
5
TP4808
4 4 Rx3-
TP4811
3
TP4802
3 Rx3+
2
TP4805
1 Rx4-
2
Rx4+
1
TO
A5 D-BOARD
(D5)
104 105
79
FOR
FACTORY
A17
STB3.3V
USE
1
STB3.3V
2
IIC_CONT/SRQ
3
R4152 GND
0
TP8503
AD_SCL0 4
LITE2_SCL0 (Device Control)
TP8504
AD_SDA0
5
LITE2_SDA0 (Device Control)
TP8505
AR_PANEL_SCL
6
Panel_SCL (Panel Dpr.E2PROM)
TP8506
AR_PANEL_SDA 7
Panel_SDA
(Panel Dpr.E2PROM)
TP8501
8
SBI0 SBI0
TP8500
9
SBO0 SBO0
TP8507
D_TXD 10
Panel_TXD
TP8508
D_RXD 11
Panel_RXD
TP8509
D_IIC_CONT
12
IIC_CONT
STB5V
13
GND
14
STB5V
Suffix AB
JS4017
0
IC4800
MAIN3.3V C1ZBZ0003577
VDD
4 A1 3
C4630
16V
0.1u
A0
GND
5 2
SDA
SCL
6 1
R4820 R4819
22 22
IIC
AD_SCL0
AD_SCL0
AD_SDA0 to (3/12)
AD_SDA0
AD_SCL1
AD_SCL1
to(3/12)(10/12)
AD_SDA1
AD_SDA1
AD_SCL2
AD_SCL2
AD_SDA2 to(3/12)(5/12)(11/12)
AD_SDA2
AD_SCL3
AD_SCL3
to(8/12)(12/12)
AD_SDA3
AD_SDA3
GenX4
to (8/12)
SCL
SCL
SDA
SDA
R4772 R4754
R4766 R4769
0 0 0 0
R4773 R4755
R4767 R4770
0 0 0 0
ZA4701
ZA4700
K4AD01D00004 K4AD01D00004
R4768 R4771 R4774 R4756
0 0 0 0
R4775 R4757 R4778 R4760 R4784 R4787 R4781
0 0 0 0 0 0 0
R4776 R4758 R4779 R4761 R4785 R4788 R4782
0 0 0 0 0 0 0
K4AD01D00004
R4789
R4777 R4759 R4780 R4762 R4786 R4783
0 0 0 0 0 0 0
TH-42PX75U
A-Board (12 of 12) Schematic Diagram
106 107
TH-42PX75U
ZA4702
108