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
45
55
65
kHz
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
