-6-
Circuit Protections
Mechanical sensor switches (SW1891,SW1861)
This projector provides mechanical sensor switches, the one is for
filter cartridge sensor switch (SW1891) and the other one is for lamp
cover sensor switch (SW1861). The filter cartridge sensor switch
detects whether the filter cartridge is installed correctly. If the filter
cartridge is not installed correctly, the projector cannot turn on.
The lamp cover sensor switch detects whether the lamp cover is
closed securely. If lamp cover is opened or not closed completely,
the drive signal to the lamp circuit is cut off. After opening the lamp
cover for replacing the lamp ass’y, place the lamp cover correctly
otherwise the projector cannot turn on.
Filter cartridge sensor
switch (SW1891)
Lamp cover sensor
switch (SW1861)
Filter cartridge
Summary of Contents for PLC--XP200L
Page 92: ... 92 IC Block Diagrams ISL51002 A D Converter IC2201 M62393 DAC IC7801 ...
Page 94: ... 94 IC Block Diagrams NJW1141M Audio Control IC6001 PW392 Scaler IC301 ...
Page 95: ... 95 IC Block Diagrams PW610 Keystone IC2301 TE7783 I O Expander IC4801 ...
Page 130: ...Key No Part No Description Key No Part No Description KR7 XP200L00 Electrical Parts List 130 ...
Page 133: ... 133 Mechanical Parts List KR7 XP200L00 Shutter assembly M08 ...
Page 138: ... KR7AL Sep 2008 DC 300 Printed in Japan SANYO Electric Co Ltd ...