July 2009 LCD DV
42LH40
58
Ft. IR / LED Control Connector P1 and P2 Voltage and Diode Chec
Ft. IR / LED Control Connector P1 and P2 Voltage and Diode Chec
k
k
Diode Mode values taken with all Connectors Removed
P1 CONNECTOR "Front IR / LED PWB Assembly " to P1204 " MAIN PWB "
Open
3.29V
0V
POWER
On/Off
12
Open
3.29V
3.29V
3.3V_ST
11
Gnd
Gnd
Gnd
Gnd
10
Open
4.8V
4.8V
IR
9
Gnd
Gnd
Gnd
Gnd
8
Gnd
Gnd
Gnd
Gnd
7
1.13V
5.1V
5.1V
5V ST
6
Open
3.3V
3.3V
Key2
5
Open
3.3V
3.3V
Key1
4
Gnd
Gnd
Gnd
Gnd
3
Open
3.3V
3.3V
SDA
2
Open
3.3V
3.3V
SCL
1
Diode
Check
Run
STBY
Label
Pin
P2 Connector to “Side Key" P1
Gnd
Open
Gnd
Open
Diode
Check
Gnd
Key 2
Gnd
Key 1
Label
Gnd
Gnd
4
3.3V
3.3V
3
Gnd
Gnd
2
3.3V
3.3V
1
Run
STBY
Pin
Содержание 42LH40 Series
Страница 40: ...July 2009 LCD DV 42LH40 40 Main PWB Front Side Component Locations Main PWB Front Side Component Locations ...
Страница 42: ...July 2009 LCD DV 42LH40 42 Main PWB Main PWB Back View Back View ...
Страница 67: ...42LH40 42LH40 Direct View LCD This concludes the 42LH40 training session ...