Service manual

Panel Characteristics :
1
st
Source Panel
Model number Samsung LTM190E1-L01
Type PVA type with LVDS interface
Active Size 376.32 (H) x 301.06 (V)
Pixel Arrangement RGB Vertical Stripe
Pixel Pitch 0.294 mm
Glass Treatment Anti Glare (Hard coating 4H)
# of Backlights 4 CCFL edge-light (2 top / 2 bottom)
Backlight Life 50,000 Hours (Min)
Luminance (Center) – CT = 6500K, Contrast/
Brightness = Max
250 cd/m2 (Typ after 30 minute warm up)
220 cd/m2 (Min after 30 minute warm up)
Brightness Uniformity 75% (Min) Entire Area
Contrast Ratio 600:1 (typ), 400:1 (min)
Color Depth 16 million colors (8 bit)
Viewing Angle (Horizontal, CR>10) Typical: 170º
Viewing Angle (Vertical, @ CR>10) Typical: 170º
Response Time
10%-90% @ Ta=25°C
25 ms (Tr= 15 ms, Tf = 10 ms) (typ)
35 ms (Tr= 20 ms, Tf = 15 ms) (max)
Panel Defects Please see Panel Quality Specifications.
2
nd
Source Panel
Model number Fujitsu FLC48SXC8V-11AA
Type MVA type with LVDS interface
Active Size 376.32 (H) x 301.06 (V)
Pixel Arrangement RGB Vertical Stripe
Pixel Pitch 0.294 mm
Glass Treatment Anti Glare (Hard coating 2H)
# of Backlights 4 CCFL edge-light (2 top / 2 bottom)
Backlight Life 50,000 Hours (Min)
Luminance (Center) – CT = 6500K, Contrast/
Brightness = Max
300 cd/m2 (Typ after 30 minute warm up)
210 cd/m2 (Min after 30 minute warm up)
Brightness Uniformity 70% (Min) Entire Area
Contrast Ratio 700:1 (typ), 400:1 (min)
Color Depth 16 million colors (8 bit)
Viewing Angle (Horizontal, CR>10) Minimum: 170º (±85º)
Viewing Angle (Vertical, @ CR>10) Minimum: 170º (±85º)
Response Time
10%-90% @ Ta=25°C
16 ms (typ)
34 ms (max)
Mercury 3.0 mg (Max) per lamp
Panel Defects Please see Panel Quality Specifications.
2-7 IMAGE PERFORMANCE
Factory Defaults
Item Defaults Item Defaults
Contrast 50% OSD H. Position 50%
Brightness 100% OSD V. Position 50%
Color Temperature 6500K OSD Time Out 15 Sec
8
ViewSonic Corporation Confidential
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Do Not Copy VP191b/s