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This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the pro-
jector, it will automatically turn off by operating one of the following protection circuits.
Circuit Protections
Fuse
A fuse is located inside of the projector. When the POWER indicator is not
lighting, the fuse may be opened. Check the fuse as following steps.
The fuse should be used with the following type;
Fuse Part No. : 323 027 2605
TYPE T10AH 250V
LITTEL FUSE INC. TYPE 215010
How to replace the fuse
1. The fuse is placed on the power board under the main board. Remove the
cabinet top and exhaust fan assy.
2. Remove the fuse from fuse holder on the power board.
Thermal protector
(SW902)
Thermal protectors (SW902)
There are the thermal protector (SW902) inside of the projector to detect
the lamp surrounding temperature rising abnormally. When the temperature
reachesnear115˚C,thethermalprotectorcutsoffthecurrentsuppliedtothe
power supply circuit.
To reset the thermal protection function, disconnect the AC cord and leave
the projector at the normal surrounding temperature for about 45 minutes.
The thermal protectors will automatically reset when the internal temperature
becomes normal (less than 75
˚C)
.
F601
Fuse
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