(No.YA665<Rev.001>)1-7
2.3 MAIN DIFFERENCE LIST
2.4 TECHNICAL INFORMATION
2.4.1 LCD PANEL
This unit uses the flat type panel LCD (Liquid Crystal Display) panel that occupies as little space as possible, instead of the
conventional CRT (Cathode Ray Tube), as a display unit.
Since the unit has the two polarizing filter that are at right angles to each other, the unit adopts "normally black" mode, where light
does not pass through the polarizing filter and the screen is black when no voltage is applied to the liquid crystals.
2.4.1.1 SPECIFICATIONS
The following table shows the specifications of this unit.
2.4.1.2 PIXEL FAULT
There are three pixel faults - bright fault, dark fault and flicker fault - that are respectively defined as follows.
BRIGHT FAULT
In this pixel fault, a cell that should not light originally is lighting on and off.
For checking this pixel fault, input ALL BLACK SCREEN and find out the cell that is lighting on and off.
DARK FAULT
In this pixel fault, a cell that should light originally is not lighting or lighting with the brightness twice as brighter as originally lighting.
For checking this pixel fault, input 100% of each R/G/B color and find out the cell that is not lighting.
FLICKER FAULT
In the pixel fault, a cell that should light originally or not light originally is flashing on and off.
For checking this pixel fault, input ALL BLACK SCREEN signal or 100% of each RGB color and find out the cell that is flashing on
and off.
Item LT-52GZ79 LT-52GZ79/BA LT-52GZ79/BA LT-52GZ79/S
POWER CORD EU Type (2 Pins) EU Type (2 Pins) EU Type (2 Pins) UK Type (3 Pins)
ANALOG PWB SFL-1237A-H2 SFL-1237A-H8 SFL-1237A-H2 SFL-1237A-H2
SW PWB SFL-7221A-H2 SFL-7221A-H8 SFL-7221A-H2 SFL-7221A-H2
LED PWB SFL-8728A-H2 SFL-8728A-H8 SFL-8728A-H2 SFL-8728A-H2
MAIN POW ASSY SFL-90A5A-H2 SFL-90A5A-H8 SFL-90A6A-H2 SFL-90A5A-H2
DC-DC PWB SFL-91A1A-H2 SFL-91A1A-H8 SFL-91A1A-H2 SFL-91A1A-H2
DIGITAL PWB SFL0D403A-H2 SFL0D403A-H8 SFL0D403A-H2 SFL0D404A-H2
Item Specifications
Maximum dimensions ( W × H × D ) 119.2 cm × 68.8 cm × 5.9 cm
Weight 19.0 kg
Screen size Diagonal: 132.1 cm (H: 93.1 cm
×
V: 52.4 cm)
Aspect ratio 16 : 9
Drive device / system a-Si-TFT active matrix system
Number of Pixels Horizontally 1920 × Vertically 1080
Pixel pitch (pixel size) Horizontally: 0.6 mm, Vertically: 0.6 mm
Displayed colour 16777216 colours 256 colours for R G and B
Brightness 500 cd/m
2
Contrast ratio 3000 : 1
Response time (G to G) 6 ms
View angle Horizontally: 178°, Vertically: 178°
Surface polarizer Anti-Glare type Low reflective coat
Colour filter Vertical stripe
Backlight Cold cathode fluorescent lamp × 24
Power supply voltage in LCD 12 V
Power supply voltage in inverter 24 V
Panel interface system LVDS (Low Voltage Differential Signaling)
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