ViewSonic VX710 Service Manual - Page 10

LCD PANEL, Source Panel - backlight

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2.5. LCD PANEL 1st Source Panel Model number Type Active Size Pixel Arrangement Pixel Pitch GLASS TREATMENT # OF BACKLIGHTS BACKLIGHT LIFE Luminance (Center) - Condition: CT = 6500K, Contrast = Max, Brightness = Max Brightness Uniformity Contrast Ratio Color Depth Viewing Angle (Horizontal) VIEWING ANGLE (VERTICAL) Response Time 10%-90% @ Ta=25°C Panel Defects QDI QD170EL0709 TN type with LVDS interface 337.9 (H) x 270.3 (V) RGB Vertical Stripe 0.264 mm Anti Glare (Hard coating 3H) 4 CCFL edge-light (2 top / 2 bottom) 50,000 Hours (Typ) / 40,000 Hours (Min) 260 cd/m2 (Typ after 30 minute warm up) 200 cd/m2 (Min after 30 minute warm up) Dw = 1.25 (typ), 1.33 (max) dw = Max luminance (of 9 points)/ Min luminance (of 9 points) 500:1 (typ), 300:1 (min) 16.2 million colors (6+2 bit panel) @ CR>10 Typical: 140º (±70º) Minimum: 120º (±60º) @ CR>5 Typical: Minimum: @ CR>10 Typical: Minimum: 160º (±80º) 140º (±70º) 125º 105º @ CR>5 Typical: 145º Minimum: 125º 8 ms (Tr= 2 ms, Tf = 6 ms) (typ) 16 ms (max) Please see Panel Quality Specifications. ViewSonic Corporation Confidential - Do Not Copy VX710 7

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2.5.
LCD PANEL
1
st
Source Panel
Model number
QDI QD170EL0709
Type
TN type with LVDS interface
Active Size
337.9 (H) x 270.3 (V)
Pixel Arrangement
RGB Vertical Stripe
Pixel Pitch
0.264 mm
GLASS TREATMENT
Anti Glare (Hard coating 3H)
# OF BACKLIGHTS
4 CCFL edge-light (2 top / 2 bottom)
BACKLIGHT LIFE
50,000 Hours (Typ) / 40,000 Hours (Min)
Luminance (Center) –
Condition:
CT = 6500K, Contrast = Max, Brightness = Max
260 cd/m2 (Typ after 30 minute warm up)
200 cd/m2 (Min after 30 minute warm up)
Brightness Uniformity
Dw = 1.25 (typ), 1.33 (max)
dw = Max luminance (of 9 points)/ Min luminance (of 9
points)
Contrast Ratio
500:1 (typ), 300:1 (min)
Color Depth
16
.2
million colors (6+2 bit panel)
Viewing Angle (Horizontal)
@ CR>10
Typical:
140º (±70º)
Minimum:
120º (±60º)
@ CR>5
Typical:
160º (±80º)
Minimum:
140º (±70º)
VIEWING ANGLE (VERTICAL)
@ CR>10
Typical:
125
º
Minimum:
105
º
@ CR>5
Typical:
145
º
Minimum:
125
º
Response Time
10%-90% @ Ta=25°C
8 ms (Tr= 2 ms, Tf = 6 ms) (typ)
16 ms (max)
Panel Defects
Please see Panel Quality Specifications.
7
ViewSonic Corporation
Co
nfidential
- Do Not Copy
VX710