Mechanical Switches - Sanyo PLC-EF60 Service Manual

Safety Protections

3. Mechanical switches

There are some mechanical switches inside of the projector to detect that the covers, filters or lamps are mounted
correctly. When one of following switches detects an error (open), the projector cannot turn on.
This projector provides 4 mechanical switches and 4 lamp selection switches as follows;
- Lamp1 cover switch (SW902)
- Lamp2 cover switch (SW905)
- Bottom cover switch (SW904)
- Air filter switch (SW903)
- Lamp selection switches (SW906, SW907, SW908, SW909)
SW906
SW907
SW902
SW905
SW908
SW909
SW904
LED indication on the Error
FILTER LED blinking
LAMP1/LAMP2
REPLACE LED blinking
- 6 -
SW903
SW903 open
SW902 or S905 open