Panasonic gph5d th-42phd5 th-50phd5 th-42phw5 th50phw5 troubleshooting guide Manuale Di Servizio
73
HX- BOARD CONNECTORS
The following table lists the voltage levels present at each pin of the connectors
of the HX-Board. Use this information to confirm that the HX-Board is operating
properly.
of the HX-Board. Use this information to confirm that the HX-Board is operating
properly.
Connector
HX1/D3
Pin Number
Signal Name
Voltage Findings
Signal Flow
(Board or Connector)
A-1
5V
5.2Vdc
HX1---
àD3 (D1-BOARD)
A-2
5V
5.2Vdc
HX1---
àD3 (D1-BOARD)
A-3
NC
NC
HX1---
àD3 (D1-BOARD)
A-4
SCL
4.4Vdc
HX1---
àD3 (D1-BOARD)
A-5
SDA
4.4Vdc
HX1---
àD3 (D1-BOARD)
A-6
GND
GND
HX1---
àD3 (D1-BOARD)
A-7
NC
NC
HX1---
àD3 (D1-BOARD)
A-8
GND
GND
HX1---
àD3 (D1-BOARD)
A-9
NC
NC
HX1---
àD3 (D1-BOARD)
A-10
GND
GND
HX1---
àD3 (D1-BOARD)
A-11
NC
NC
HX1---
àD3 (D1-BOARD)
A-12
GND
GND
HX1---
àD3 (D1-BOARD)
A-13
NC
NC
HX1---
àD3 (D1-BOARD)
A-14
NC
NC
HX1---
àD3 (D1-BOARD)
A-15
NC
NC
HX1---
àD3 (D1-BOARD)
A-16
NC
NC
HX1---
àD3 (D1-BOARD)
A-17
NC
NC
HX1---
àD3 (D1-BOARD)
A-18
NC
NC
HX1---
àD3 (D1-BOARD)
A-19
PC Rs
5.2Vdc
HX1---
àD3 (D1-BOARD)
A-20
PC Ls
5.2Vdc
HX1---
àD3 (D1-BOARD)
Connector
HX1/D3
Pin Number
Signal Name
Voltage
Findings
Signal Flow
(Board or Connector)
B-1
STB5V
5Vdc
HX1---
àD3 (D1-BOARD)
B-2
STB5V
5Vdc
HX1---
àD3 (D1-BOARD)
B-3
9V
9Vdc
HX1---
àD3 (D1-BOARD)
B-4
9V
9Vdc
HX1---
àD3 (D1-BOARD)
B-5
NC
0Vdc
HX1---
àD3 (D1-BOARD)
B-6
DTE-XC
5Vdc
HX1---
àD3 (D1-BOARD)
B-7
DCE-XC
0V
HX1---
àD3 (D1-BOARD)
B-8
TXD-XC
5Vdc
HX1---
àD3 (D1-BOARD)
B-9
RXD-XC
5Vdc
HX1---
àD3 (D1-BOARD)
B-10
12V
12.1Vdc
HX1---
àD3 (D1-BOARD)
B-11
12V
12Vdc
HX1---
àD3 (D1-BOARD)
B-12
PC VD
4.6Vdc
HX1---
àD3 (D1-BOARD)
B-13
GND
GND
HX1---
àD3 (D1-BOARD)
B-14
PC HD
4.5Vdc
HX1---
àD3 (D1-BOARD)
B-15
GND
GND
HX1---
àD3 (D1-BOARD)
B-16
PC B
Varying Vdc
HX1---
àD3 (D1-BOARD)
B-17
GND
GND
HX1---
àD3 (D1-BOARD)
B-18
PC G
Varying Vdc
HX1---
àD3 (D1-BOARD)
B-19
GND
GND
HX1---
àD3 (D1-BOARD)
B-20
PC R
Varying Vdc
HX1---
àD3 (D1-BOARD)