Read Sharp XV-C20E (serv.man3) Service Manual online
XV-C20E
11
OPTICAL SYSTEM
PCAPH1048CESB
Lens cap
DLCPP0050DE01
LCD
PFiLW0173CEZZ
PFiLW0197CEZZ
PFiLW0194CEZZ
Polarizer Input plate
Heat Management plate
UV/IR filter
PLNS-0124CEZZ
Projection lens
CLMPF0053DE02
Lamp/Mirror Ass'y
PFiLW0179CEZZ
Polarizer Output plate
Optical unit
Cleaning the lenses and reflectors
1. Lens cleaner
• Cleaning liquid:
Change the mixture ratio of alcohol and ether depending on ambient
temperatures. Make sure that the liquid evaporates from the lens
surface immediately after you rub it: This is the best ratio. The more
ether is used, the quicker the liquid evaporates.
temperatures. Make sure that the liquid evaporates from the lens
surface immediately after you rub it: This is the best ratio. The more
ether is used, the quicker the liquid evaporates.
• Method:
Use well-washed bleached cotton cloth or cleaning paper available
on the market. Damp the bleached cotton cloth with the liquid, and
hold the lens sandwiched in the cloth with your thumb and the index
finger. Turn the lens and wipe the surface clean from the center
outward to collect dust. Be careful not to rub the coated surface too
strong.
on the market. Damp the bleached cotton cloth with the liquid, and
hold the lens sandwiched in the cloth with your thumb and the index
finger. Turn the lens and wipe the surface clean from the center
outward to collect dust. Be careful not to rub the coated surface too
strong.
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