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■ Circuit Protections
This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the
projector, it will automatically turn off by operating one of the following protection circuits.
A fuse(F601) is located inside of the projector. When the
POWER indicator is not lightning, the fuse may be opened.
Check the fuse as following steps.
The fuse should be used with the following type;
● Fuse
● Thermal switch
Fuse Part No. : 323 024 3206
TYPE T5.0AH 250V FUSE
LITTEL FUSE INC. TYPE 215005
How to replace the fuse
1. Remove the cabinet top following to "Mechanical
Disassemblies".
2. Remove the fuse from fuse holder on the Filter Board.
To install the fuse, take reversed step in the above.
There is the thermal switch (SW902) inside of the projector
to prevent the internal temperature rising abnormally.
When the internal temperature reaches near 100°C, the
thermal switch cuts off the drive signal to the lamp circuit
automatically. The thermal switch is not reset to normal
automatically, even if the internal temperature becomes
normal. Reset the thermal switch following procedure.
Check the resistance between terminals of thermal switch
by using a tester. If it has high impedance, thermal switch
may be open.
How to reset the thermal switch
1. Remove the Lamp cover following to "Mechanical
Disassemblies".
2. Press the reset button on the thermal switch with a
sharp-pointed tool.
CAUTION:
Before press the reset button, make sure that the AC cord
must be disconnected from the AC outlet.
Press
The switch(SW902) is
in the hole of cabinet.
Thermal switch (SW902)
Fuse (F601)
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