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Chapter 1 31
.
Thermal
All components on inverter board should follow below rules:
1. Component using conditions (component stress) must be within component specification including voltage
rating, current rating, temperature etc.
2. Component temperature should follow below:
! ∆T <=450 degree C, at 25, 35 degree C.
! Component temperature should be less than 80 degree C inside system at 35 degree C.
Electrical specification
No
.
Symbol Min. Typ. Max. Unit Comment
1 V oper* -- 650 -- Vrms Lamp operating voltage
(650+/-50)
Il 6.2 6.5 6.8 mArms
DAC_BRIG: 0 V, PWM:
100%
Il 3.0 3.3 3.6 mArms
DAC_BRIG: 0 V,
PWM:30%
Il 5.7 6.0 6.3 mArms DAC_BRIG: 0V, PWM:100%
Il 2.7 3.0 3.3 mArms DAC_BRIG: 1V, PWM:30%
F 455565kHz
h
80% -- -- --
LCD
Item Specification
Vendor & model name CMO N154I1-
L02
Samsung
LTN154X1-
L02
LG
LP154W01-
A3
LG
LP154W02-
A1
Mechanical Specifications
LCD display area (diagonal,
inch)
15.4” 15.4” 15.4” 15.4”
Display technology TFT TFT TFT TFT
Resolution WXGA (1280*
800)
WXGA (1280*
800)
WXGA (1280*
800)
WSXGA+
(1650* 1050)
Supports colors 262K 262K 262K 262K
Optical Specification
Brightness control keyboard
hotkey
keyboard
hotkey
keyboard
hotkey
keyboard
hotkey
Contrast control No No No No
Suspend/Standby control Yes Yes Yes Yes
Electrical Specification
Supply voltage for LCD display
(V)
3.3 3.3 3.3 3.3
Supply voltage for LCD
backlight (Vrms)
650 690 690 690