Lenovo LXM-L19BH
Page 11 of 44
4.4.4 Parameter guideline for CCFL Inverter
Note 1:
CCFL standard current is measured at 25
±
2
℃
..
Note 2:
CCFL Frequency should be carefully determined to avoid interference between inverter and TFT LCD
Note 3:
ViCFL means Ignition Voltage for both ends of the lamp, and CCFL inverter should be able to give out a power
that has a generating capacity of over 1810 voltage. Lamp units need 1810 voltage minimum for ignition
Note 4:
CCFL operation voltage is measured at 25
±
2
℃
.
Note 5:
The variance of CCFL power consumption is
±
10%. Calculator value for reference (ICFL×VCFL×4=PCFL).
Note 6:
Definition of life: brightness becomes 50% or less than the minimum luminance value of CCFL. The typical life
time of CCFL is on the condition at 7.0mA lamp current.
Summary of Contents for LXM-L19BH
Page 13: ...Lenovo LXM L19BH Page 13 of 44 h t t p w w w w j e l n e t ...
Page 16: ...Lenovo LXM L19BH Page 16 of 44 Power Block Diagram h t t p w w w w j e l n e t ...
Page 25: ...Lenovo LXM L19BH Page 25 of 44 7 PCB LAYOUT 7 1 MAIN BOARD h t t p w w w w j e l n e t ...
Page 26: ...Lenovo LXM L19BH Page 26 of 44 7 2 Power Inverter Board h t t p w w w w j e l n e t ...