Hitachi CP-X940E, Руководство по обслуживанию

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7. Dust C leaning
(1) Check dust condition
1. Show the white picture on the screen (whose size is 60") to check dust condition.
2. If dust condition is not good, should be clean the LCD module ass'y, the Multilenses and the Air filter.
(2) Clean the LCD module ass'y (Don't remove the LCD ass'y)
1. Blow the air on the LCD module by Dust blower. (See Fig.1)
2. If dusts are still on, wipe it with the special glass cleaning cloth.
3. Check dust condition.
Fig. 1
(3) Clean the Air filter
1. Remove the air filter from the front of the projector.
2. Wipe the air filter with a cloth moistened with water or neutral detergent, and wipe with a dry cloth.
Cloth
Dust blower