MINOLTA ALPHA SWEET DIGITAL, ALPHA 5 DIGITAL, MAXXUM 5D, DYNAX 5D Service Manual Check List

CHECK LIST

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Check List

1. This Check List describes the quality of operation warranted to general users. When users inquire about
quality or request inspection, refer to this Check List. Use this list also when checking operation after
repair.

2. When using this list during shipping or receiving inspection, judge the quality according to the purpose of
the inspection, not by directly referring to this level.

3. For individual taste or special usage, some users may not be satisfied with this level of quality and will
request a different one. In such cases, adjust the level as requested by them as much as possible.

4. Checking items which are characterized as sensory test are not included. Adjust these items according to
product or users request.

CONTENTS PAGE

Condition of Measure and Appreciation ------------------------------------------------------------------------------------------ 2
Settings of Photoshop ---------------------------------------------------------------------------------------------------------------- 2
Screen Dust ---------------------------------------------------------------------------------------------------------------------------- 3
Standard --------------------------------------------------------------------------------------------------------------------------------4
Exposure------------------------------------------------------------------------------------------------------------------------------- 4
Manual Shutter-speed ------------------------------------------------------------------------------------------------------------ 4
X-sync Time Lag------------------------------------------------------------------------------------------------------------------- 4
Resolving Powerving Power------------------------------------------------------------------------------------------------------- 4
Image quality ------------------------------------------------------------------------------------------------------------------------ 6
Grayscales--------------------------------------------------------------------------------------------------------------------------- 7
Color Reproduction ---------------------------------------------------------------------------------------------------------------- 7
Current Leak------------------------------------------------------------------------------------------------------------------------- 8
BC Lock voltage --------------------------------------------------------------------------------------------------------------------- 8

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Condition of Measure and Appreciation

Basically maesure and appreciation at the blow condition. But it is allowed to use another condition as long as
not to influence the examination results.
(The concrete settings refer to the opelationmanuals of the PC or monitor.)

1. Settings of Screen Area and Colors (System settings of PC)

Macintosh Windows

Screen Area
Colors

Mac: Control panel ‐ Monitor & sounds ‐ Monitor ‐ Contrast of colors and Resolution.
Win: Conrtol panel ‐ display ‐ property of display ‐ detail of display ‐ Color palette and Field of

desktop.

2. Settings of monitor size
Adjust size and position of monitor adjustment menu as the center glay scale width of monitor calibra-

tion image.
(Moni1.PSD: file from the 2186 Adjustment Program CD) is about 80mm at 100% display.
After above adjustment, the length of a diagonal line of the monitors display erea is below.

17 inch type monitor 1024x768 pixels 1024x768 pixels
20 inch type monitor 1152x870 pixels 1152x864 pixels

16.7 million colors True Color (24-bit) or True Color (32-bit)

17 inch ty pe monitor: About 393mm
20 inch ty pe monitor: About 462mm

3. Gamma Settings ( Mac system set up)
Control panel- Color settings of Monitor ‐ Set Color Sync. Profiles of the monitor you use.

4. Settings of monitor color temparature, brightness, contrast
Color temparature of the monitor: 6500K

At monitor calibration image (Moni1.PSD: file from the 2186 Adjustment Program CD), adjust bright­ness and contrast as the difference between 0 and 5, 255 and 250 of RGB are recognized slightly and the

CHECK LIST

difference between 0 and 10, 255 and 245 of RGB are recognized distinctly.

5. Surroundings
Perpendicular illuminance to the monitor surface is less than 200lux.
There is no reflects such as flourescent on the monitor surface.

Settings of Photoshop

1. Photoshop ver for measurement and appriciation
Photoshop ver for measurement and appriciation are from ver.4 to ver.7.
When use newer versions than Photoshop 5, set up color setting as 2.

(For Photoshop4, no need to set up especially.)

2. Color setting of newer versions than Photoshop 5
For Photoshop5, Default Color Setting is sRGB. This setting convert RGB data when open images.

So you must set up below setting. (This is unrelated for Phtoshop4.)

Macintosh:

RGB Custom
Gamma 1.8
White point Custom (Custom v alue x=0.312, y=0. 329)
Primaries Trinitoron
Monitor Display Using M onitor Com pensation OFF

Windows:

RGB Custom
Gamma 2.2
White point Custom (Custom value x=0.312, y=0 .329)
Primaries Trinitoron
Monitor Display Using M onitor Com pensation OFF

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3.Image cache memory setting

∞

Edit ‐ Preferences - Memory & Image cache... ‐ Check off Use cache for histgrams

Screen Dust

1. Measure Equipment: Photoshop

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2. Capture Condition:

3. How to measure:

1). Stick to a luminance box and capture, and open in PC.

2). with 33.3% magnification, select Image > Color compensation > Level compensation in Photoshop,
set the Input level to 32 1 233 to confirm whether any stains can be seen on the screen.

4. Quality Regulations:

When stain is admitted, follows the following judgment standards, when setting Iput level of level

Conpensation (select Image > Color compensation > level compensation in Photoshop to 32 1 233.

When you measure L* stain and its peripheral, L* ratio must be 1.3% or less.
L* ratio = (L* around stain bristletail ‐ L* at stain bristletail position)/ L* around stain bristletail ×
100 ≦ 1.3

Light source Luminance Box
Illumination EV10
Lens 2613
Capture Distance Stick a lenz to a luminance box.
Exposure Mode A mode (F11)
WB Preset ( A light source)
Focus
Image Size 3008x2000 (L)
Compression Mode Fine or Std.

position

5. Do the cleaning on the CCD, when users point out the dust on the CCD.

*It is easy to find the dust on screen by using "Auto Levels" of Adobe Photoshop.
This command is located in the "Adjustment" sub-menu in the "Image" menu.