Hitachi C11XMB Service Manual page 19

3. Maintenance point
4. Cleaning the panels and optical filters
(1) Turn on the set and lit on the lamp.
(2) Set blank screen to white.
(3) By using swab and air duster, remove the dust. Focusing dust makes you check the dust on screen.
5. Re-assembly
(1) Turn off the set and remove the PWB assembly MAIN.
(2) Set the Panel cover.
(3) Re-assemble the PWB assembly MAIN.
(4) Re-assemble the set.
(5) While re-assembling, please clean the Panel cover and intake filter and filter cover by using vacuum cleaner.
CP-X444(C11XMB)/CP-X440(C11XM25)
19
Each color part has same
construction.
By using swab and air duster,
you can easily remove dust
from panel and optical filter.
• While removing the dust, separated dust will
be blown off by air cooling system.
• Please pay attention not to damage panel
and filter.