Panasonic BT-4LH310 Parts List - Page 39
Specification of pixel defect, 1. Inspection Method, 2. Dot Defect, 3. Nonuniformity
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8.Specification of pixel defect 8-1. Inspection Method ■ Ambient conditions ・Temperature :25±5℃ ・Illumination :300~700 lux ・Humidity :65±10% RH ■ Setting values of picture adjusting Menu ・PEAKING = 100 ・CONTRAST = 100 ・CHROMA = 100 ・F-IN-R = 15 ・PHASE = 100 ・BACKLIGHT = 100 ・BRIGHT = 100 ■ Viewing distance (Between the LCD Monitor and the inspector's eyes) ・Approx. 50cm ( Looking at the front) ■ Input signal ・SDI In :2048 X 1080 / 24P or 23P 300~700 lux 50cm 8-2. Dot Defect 8-2-1. Bright Dot <Definition> A bright dot is the dot defect which is seen when the 40% white signal is input. (Not counting size: less than half of 1 single dot) <Specification> ・Bright dot (1 single dot) :16 dots or less Bright dot Dust Bright dot ・Bright dot (2 adjacent dots) : 0 set ・Bright dot (3 adjacent dots) : 0 set ・Density(in a circle with 10mm diameter.) : 3 dots or less ・Total amount of bright dots :16 dots or less ・Diameter of Dust Bright dot ≦ 0.25mm :10 pcs 1 single dot not counting ・Diameter of Dust Bright dot > 0.25mm : 0 pc Dark dot 8-2-2. Dark Dot <Definition> A dark dot is the dot defect which is seen when the 100% white signal is input. <Specification> ・Dark dot (1 single dot) :20 dots or less ・Dark dot (2 adjacent dots) : 2 sets ・Dark dot (3 adjacent dots) : 0 set ・Density(in a circle with 10mm diameter.) : 3 dots or less 1 single dot 2 adjacent dots ・Total amount of dark dots :20 dots or less Dark dot (Density) 8-2-3. Total amount of Dot Defect (Bright dot and Dark dot) <Specification> Total amount of dot Defect (Bright dot and Dark dot) ・Total amount of bright and dark dot :30 dots or less ・Density(in a circle with 10mm diameter.) : 3 dots or less 8-2-4. Dust inclusion <Specification> ・Diameter of Dust ≦ 0.25mm ・Diameter of Dust ≦ 0.4mm ・Diameter of Dust > 0.4mm : not counting : 8 pcs or less : 0 pc 10mm Density: 3 dots Nonuniformity (Image) 8-3. Nonuniformity <Specification> ・Nonuniformity is not seen when the 10% white signal is input. INF - 22