Lenovo L215P Service Manual page 14

22" LCD Color Monitor
4.3.4 Electrical Characteristics
(1) TFT-LCD
Power Specification
Symbol
VDD
IDD
PDD
IRush
VDDrp
Signal Electrical Characteristics
Input signals shall be low or Hi-Z state when VDD is off. Please refer to specifications of
SN75LVDS82DGG (Texas Instruments) in detail.
Symbol
VTH
VTL
|VID|
VICM
(2) Backlight
Parameter
CCFL Standard Current (ISCFL)
CCFL Operation Current (IRCFL)
CCFL Frequency (FCFL)
CCFL Ignition Voltage (ViCFL, Ta=℃)
CCFL Ignition Voltage (ViCF, Ta=25℃)
CCFL Operation Voltage (VCFL)
CCFL Power Consumption (PCFL)
CCFL Life Time (LTCFL)
Parameter
Logic/LCD Drive Voltage
Input Current
VDD Power
Inrush Current
Allowable Logic/LCD Drive Ripple Voltage
Parameter
Differential Input Hight Threshold
Differential Input Low Threshold
Input Differential Voltage
Differential Input Common Mode Voltage
Min.
4.5
-
-
-
-
Min.
-
-100
100
+1.0
Min. Typ.
7.0 7.5
3.0 735
40 55
1780 -
1380 -
- 791 (@ 7.5mA)
- 23.7
40,000 50,000
14
Lenovo L215P Wide
Typ. Max. Unit
5.0 5.5 [Volt]
0.9 1.17 [A]
4.5 5.4 [Watt]
- 2 [A]
- 300 [mV]p-p
Typ. Max. Unit
+50 +100 [mV]
-50 - [mV]
- 600 [mV]
+1.2 +1.5 [V]
Max. Unit
8.0 [mA] rms
8.0 [mA] rms
60 [KHz]
- [Volt] rms
- [Volt] rms
880 [Volt] rms
26.4 [Watt]
- [Hour]