Minolta EP1080 Manuel de service télécharger pdf (Page 47)

EP1080 Series Condential

4-8

(3) Choose and access PC Calibration for

correction in service mode. Choose

“menu” to leave the service mode after

all.

Check pattern - Test signal: analog 800 x 600@60Hz

- Test pattern: In focus II or 64 gray RGBW

* After nishing ADC adjustment, check 64

gray RGBW pattern, adjust CW index in

color setting of service mode.

Inspection item - Color saturation

Criteria - There should not have any lack of RGBW.

The color should appear normal and sort in

right order.

- Color levels should be sufcient and normal.

(the unidentied color levels on both left and

right sides should not over 8 color levels.)

- Gray level should not have abnormal color

or heavy lines.

Defect specication table

Order Symptom Pattern Criteria

1 Bright pixel ( dots)

Black pattern

( IRE=O)

A+B=0

2 Dark pixel(dots) White pattern A+B=6

3 Unstable pixel (dots) Any pattern A+B=1

4 Adjacent dark pixel (dots) Any pattern A+B=0

5 Dark blemish (Dirty) Blue 60 pattern

A+B=2

(diameter <1/2 inch)

6 Bright blemish (Dirty) Gray 10 pattern

A+B=2

(diameter <1/2 inch)

7 Bright dot on frame Black pattern 2

In focus II / 64 gray

RGBW

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 89 90

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Minolta EP1080 Manuel de service Page 47