Panasonic PT-CW230E, Руководство по обслуживанию

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Thermal fuse(SW902)
Lamp cover switch
(SW901)
Circuit Protections
Thermal fuse(SW902)
There is the thermal fuse (SW902) inside of the pro-
jector to detect the internal temperature rising abnor-
mally. When the internal temperature reaches near
128˚C, the thermal fuse opens to cut off the power to
the power circuit.
If the thermal fuse opens,the projector cannot turn
on.
Thermal fuse replacement is required.
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.
Fuse (F601)
A fuse is located inside of the projector. When the
ON(G)/STANDBY(R) 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 line filter board behind the
optical unit. Remove the cabinet top.
2. Take the fuse off from the filter board, and replace
the new one with the specified type.
Fuse Part No.: 323 025 1204
TYPE 8A 250V FUSE
LITTEL FUSE INC. TYPE 215008
Lamp cover switch (SW901)
The lamp cover switch (SW901) cuts off the drive
signal to the lamp circuit when the lamp cover is re-
moved 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.
Check the fuse mounting condition
Make sure that the fuse is mounted at the two
clips of the fuse holder firmly.
Fuse (F601)