Panasonic TH-42PY800H Service Manual page 49

11.13. A-Board (9/16) Schematic Diagram
A-BOARD (9/16)
!
TXN/A1RLTM(H/M/MR/MT)
TXN/A1RLTQ(MS)
STB5V
R4856
10k
Q4832
2SD0601ASL
R4853
100k
R4857
47k
Q4831
2SD0601ASL
FOR
FACTORY
USED A3 TO 2,16/16
1 R4832
DISPEN VI2P20
100
DISPEN
2 R4844
PANEL_STB_ON
R4833 100
3 100k R4834
READY
1k
R4842
4 R4841
ALARAM
100k 1k
5
IIC_CONT
6
GND
7
IIC_DATA1
8
IIC_CLK1
9
GND
10
IIC_DATA2
11
IIC_CLK2
12
GND
13
RXD
14
TXD
TH-42PY800H/M/MR/MS/MT
A-Board (9/16) Schematic Diagram
73 74
LVDS Out
CN to ExIIC
CRNo.4800-4999
GenX5
GenX5
TO 6/16
TO 6/16
AG_PANEL_STBY/VCC_ON
AG_PANEL_READY
AG_SRQ-GENX
AG_PANEL_ARARM
AR_RXD_PC
AR_TXD_PC
TEMP SENSOR
IC4800
MAIN3.3V
C1ZBZ0003775
IIC1
R4821
TO 1/16
10k
1 SDA 8
TMP-SENS_SDA
V+
C4807
2 7
SCL
TMP-SENS_SCL 16V
A0
0.1u
3 ALERT 6
A1
4 GND 5
A2
STB3.3V
Q4834
R4865
2SD0601ASL
47k
R4866
Q4835
10k
2SD0601ASL
Q4836 R4867
10k
2SD0601ASL
75 76
FOR
FACTORY
STB5V
USED
A33
TP4821
1
STB5V
TP4822
2 GenX5_SRQ
TP4825
3
GND
TP4826
SCL
4 GenX5_SCL (GenX5 Loarder/E2PROM)
TP4827
SDA 5
GenX5_SDA (GenX5 Loarder/E2PROM)
TP4828
AD_SCL3 AD_SCL1
6 LITE2_SCL3 (Lite2p E2PROM)
TP4829
AD_SDA3 7 LITE2_SDA3 (Lite2p E2PROM)
TP4830
AD_SDA1
8 Panel_SCL (Panel Dpr.E2PROM)
TP4831
9 Panel_SDA (Panel Dpr.E2PROM)
TP4832
10 GenX6_SRQ AD_SCL2
AR_TXD_PC
11
AD_SDA0 AD_SDA2
AD_SCL0 AR_RXD_PC
AD_SCL0
AD_SDA0
IIC SW
STB3.3V
IC4801
C0JBAZ002060
C4832
1 14 16V
1OE
0.1u
VCC
Panel
SCL 2 1A 13
4OE
Panel
SCL
3 1B 12
4A
PL2
SCL0 GenX5
4 11 SCL
2OE
4B
Panel
SDA 5 10
2A
3OE
Panel
SDA
6 2B 9
3A
PL2
SDA0 GenX5
SDA
7 GND 8
3B
STB3.3V
R4862
10k
R4860
47k
Q4833
2SD0601ASL
R4861
47k
R4863
10k
R4864
47k
77 78
49
FOR
FACTORY
STB5V A34
USED
STB3.3V
1
STB5V
TP4837
2
STB3.3V
R4800
3 IIC
IIC_CONT/SRQ
S
4 TO 1/16
IIC_CONT
5 Panel_SCL (Panel Dpr.E2PROM)
AA_SCL0
AA_SCL0
6 AA_SDA0
Panel_SDA (Panel Dpr.E2PROM) AA_SDA0
7 LITE2_SCL1 (Device Control)
AD_SCL1
AD_SCL1
8 AD_SDA1
SBI0_LITE2 (Diag Control)
AD_SDA1
9 LITE2_SDA1 (Device Control)
AD_SCL2
AD_SCL2
AD_SDA2
10 SBO0_LITE2 (Diag Control)
AD_SDA2
11
LITE2_SCL2 (Device Control) AD_SCL3
AD_SCL3
AD_SDA3
12 Panel_TXD
AD_SDA3
13
LITE2_SDA2 (Device Control)
14 Panel_RXD
15
LITE2_SCL0 (Device Control)
16
NC(REMOCON)
17
LITE2_SDA0 (Device Control)
GenX5-EEP
18 NC(LED_R)
19 TO 1/16
GND
20 NC(D_PDB_MODE) SCL
SCL
SDA
SDA
GenX5 EEPROM
FOR
FACTORY
SUB5V A35
USED
1
+5V
2
SBI0
3 SBO0
4
GND
DUBUG/JIG
TO 4/16
AA_SBO0
AA_SBO0
AA_SBI0
AA_SBI0
GenX5
TO 6/16
AG_GRAB_MODULE_IIC/PWM_POWER_ON
FROM 6/16
R4159
0
AG_TV_MAIN_ON
TH-42PY800H/M/MR/MS/MT
A-Board (9/16) Schematic Diagram
79 80 81