32
M722 N/B MAINTENANCE
M722 N/B MAINTENANCE
0.7. Output Power
The LCD backlight inverter shall provide AC outputs as specified below.
0.7.1 Inverter Output Characteristics
AC Output Parameters
The follow specification is used for single lamp of LCD panel.
Parameter Minimum
Nominal
Maximum
Units
Lamp ignition voltage (Vs)
----
----
1450
Volts-rms.
Lamp discharging voltage (VL)
----
650
----
Volts-rms.
Lamp discharging current (IL)
2.2
4.5
6.0
mA-rms.
Lamp discharging frequency
50
55
60
KHz
0.7.2 AC Load Characteristics
The inverter shall be one LCD of either type listed below :
ITEM Vendor(Inverter)
Vendor(LCD
Panel)
1
INN-SU N 23A9S-01E(412219300045)
SANYO (TM121XG-02L02)
2
INN-SU N 23A9S-01E(412219300045)
SAMSUNG (LTM121X1-L01)
3
INN-SU N 23A9S-01E(412219300045)
HITACHI (TX31D70VC1CAA)