-5-
Fuse
A fuse is located inside of the projector. When the POW-
ER indicator is not lighting, the fuse may be opened.
Check the fuse as following steps.
The fuse should be used with the type listed right;
How to replace the fuse
1. The fuse is placed on the filter board behind the main
board. Remove the cabinet top, AV panel and main
board.
2. Take the fuse off, and replace the new one with the
specified type.
Lamp cover switch
The lamp cover switch (SW901) cuts off the drive signal
to the lamp circuit when the lamp cover is removed or
not closed completely. After opening the lamp cover for
replacing the lamp ass’y, place the lamp cover correctly
otherwise the projector can not turn on.
Thermal switch
There is the thermal switch (SW902) inside of the projec-
tor to detect the internal temperature rising abnormally.
When the internal temperature reaches near 85˚C, the
thermal switch opens to cut off the power to the power
circuit.
The thermal switch can be reset itself automatically
when the internal temperature becomes normal.
When the internal temperature reaches near 55˚C, the
thermal switch returns automatically.
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.
Thermal switch
(SW902)
Circuit Protections
Lamp cover switch
(SW901)
Fuse
(F601)
Fuse Part No, : 423 034 4101
TYPE T6.3AH 250V FUSE
Hollyland Co, Ltd. TYPE 50CT063H
Fuse Part No.: 323 021 7804
TYPE T6.3AH 250V FUSE
LITTLE FUSE INC. TYPE 21506.3
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