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Circuit protection
The projector has the following security operation circuit protection functions. if there is any abnormal in the inside of
the projector, one of the following protection circuit action will make your projector shut down automatically .
Thermal switch
- The thermal switch inside the projector is used to detect
abnormal temperature inside the projector. When the internal
temperature is close to 100˚C (± 5˚C), the thermal switch will
cut off the lamp power to stop power supply.
- if the thermal switch is off, you can not turn on the projector.
Please press the thermal switch button to reset thermal switch.
Lamp cover switch
When the lamp cover is removed or not fully closed, the lamp
cover switch will cut off the drive signal of the lamp circuit.
Please make sure to install the lamp cover correctly after you
open lamp cover and replace it, otherwise the projector can't
power on properly.
Fuse (F2003)
The fuse is placed inside the projector.
When you find the s tandby (red) indicator light is off, it is highly
possible that the fuse is disconnected. Please check the fuse
as follows and use the following specified fuse type to replcae.
s ERViCE CoDE: 63740005
TYPE: VuC uBm-A 6.3A 250V (Pf) f u s E,
Co n Qu ER
How to replace the fuse
1. The fuse is placed above the filter board. Remove the case,
the main board , AV board and speaker bracket as the steps
in "mechanical Disassembly" .
2. Remove the fuse from the fuse holder ,then replace it with
the specified type
Thermal switch button
Thermal switch
Lamp cover switch
Fuse
7
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