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Home > Products and Services >> Electronic Device >> Test Chart & Color Viewer >> JEITA Test Chart I (1) (Grayscale Chart γ=2.2)
JEITA - Test Chart I (1) (Grayscale Chart γ=2.2)
The DNP Standard color Viewer for HDTV is a light source which enables you to evaluate and adjust video and still cameras. With its high-frequency Fluorescent lighting method, it handles images without flicker.
Specification
Light source: DNP Standard color Viewer lamp
(Four 15W dedicated fluorescent tubes are used)
Power supply: AC100V 50、60Hz
Lighting method: High Frequency lighting method 20KHz
Color rendering: Over 90% rendering evaluation-point for each color
Color temperature: (Measured by Minolta CL-200)
Operating temperature: 10~40℃
Operating humidity: Below 80%(avoid dew)
Major diameter dimension: 490W×380H×150D m/m
Luminance plane dimension: 272W×153H m/m
Color chart dimension: 310W×200H m/m
Power consumption: 110W
Weight: 10kg
photo
HDF-51F
The characteristics according to the Viewer Luminance plane
Product Type Lamp Color Temperature Luminance Color matching shift
HDF-51F FL15D-EDL-56K 5100K±300 Over 3500cd/m2 Within 5%
*The specification may change without notice
Operation Manual
【1】 Before using the product:
Power supply AC 100V, 50/60Hz shared
Light source 15W DNP Standard color Viewer Lamp (4)
Power consumption 110W
【2】 Using the DNP Standard Color Viewer for HDTV
(1) Plug the power cable of the product into AC100V
 
【Precautions】 Do not connect any power supply other than AC100V
If the other power supply connected by accident, the inverter inside will burned out
(2) Turn on the power switch
(3) Lamp lights: the lamp light will stabilised after 15 to 20 minutes at the room temperature(20℃)
(4) If the lamp does not lit, call for Service Office for the confirmation as described on other documents.
(5) To suspend snaking of the lamp, press power switch 3 to 4 times [as ON/OFF].
【3】 If the light does not lit
Call for Service Office to confirm the following:
(1) AC 100V supplied to the wall socket.
(2) Plug the product into the wall socket.
(3) Turn the power supply switch of the product ON
Still the lamp does not lit: Consider the following:
(1) Two of the viewer lamps lit simultaneously, one of the fuses of the inverters has blowouts.
(2) Four of the viewer lamps does not light means that each of the fuses of the two inverters has blowouts.
 
【Precautions】 The above occurs if the applied power supply is not AC 100V.
Fuse bum out cause internal burnout of inverter. The burned inverter needs to replace.
【4】 How to replace the lamp and keep it clean
Place the Viewer on the flat table, and plug out the power supply cable from the wall socket.
Remove the used device in the following order:
(1) Unfasten the four of grub screws on the top frame.
(2) Pull up the upper frame.
(3) Remove he glass plate and acrylic plate.
 
【Precautions】 Glass plate easily breaks and may hurt your hands and fingers.
Handle the edge of the plate with care not to scratch.
◆Replacing the lamps:
(1) When the lamps used over 2,000 hours or one year, it needs to replace.
(2) The socket of the lamp has a spring inside, press it toward one-way.
◆Cleaning the device:
(1) Impregnate alcohol to gauze then apply it onto the surface of the reflection plate / acrylic plate / glass surface to remove the dirt.
(2) Clean the device once in six months to one year to keep quality of the Color Temperature and Luminance.
【5】 Other Precautions
Handling the viewer needs the following precautions because it contains the parts using glass.
(1) Do not add strong impact on the viewer
(2) Do not put any heavy items on the surface of the viewer
 

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