Minolta DYNAX 7 - Light Source-A Maintenance

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REPAIR GUIDE
Fig.1Fig.1
Fig.1Fig.1
Fig.1
Ev10±0.3Ev
Chromaticity
ｘ＝0.445〜0.455
ｙ＝0.405〜0.415
Light Source-A Maintenance
OutLine
Because high accuracy of required light source-A is required when adjusting and confirming.
Measuring instrument
Chroma meter (CL-200)
Liminance meter (LS-100)
Light source-A (tungsten light)
Procedure
*Managements of the chromaticity and the luminance
1. Light the light source-A on.
2. Measure the chromaticity coodinate (x,y) with the chroma meter. (Fig.1)
3. The result should be within the range of the following table.
* If the result is out of the range, adjust the light voltage of the light source-A through the slidax.
4. Measure the luminance with the luminance meter.
5. The result should be within the range of the following table.
*If the result is out of the range, adjust the distance of the light source-A.