
-5-
Fuse
A fuse is located inside of the projector. When the POW-
ER 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 filter board behind the main
board. Remove the cabinet top, AV panel and main
board.
2. Take the fuse off, and replace the new one with the
specified type.
Lamp cover switch
The lamp cover switch (SW901) cuts off the drive signal
to the lamp circuit when the lamp cover is removed 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.
Thermal switch
There is the thermal switch (SW902) inside of the projec-
tor to detect the internal temperature rising abnormally.
When the internal temperature reaches near 85˚C, the
thermal switch opens to cut off the power to the power
circuit.
The thermal switch can be reset itself automatically
when the internal temperature becomes normal.
When the internal temperature reaches near 55˚C, the
thermal switch returns automatically.
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.
Thermal switch
(SW902)
Circuit Protections
Lamp cover switch
(SW901)
Fuse
(F601)
Fuse Part No, : 423 034 4101
tYPe t6.3AH 250V FuSe
Hollyland Co, Ltd. tYPe 50Ct063H
Fuse Part No.: 323 021 7804
tYPe t6.3AH 250V FuSe
LItteL FuSe INC. tYPe 21506.3
Содержание PLC-WL2500A
Страница 57: ... 57 FA5550NG P F Control IC621 IC Block Diagrams L3E06200 D A S H LCD Driver IC501 IC531 IC561 ...
Страница 58: ... 58 IC Block Diagrams L3E07111 Digital Gamma and Driver IC401 LC87F2G08A PIC Micom IC9885 ...
Страница 59: ... 59 IC Block Diagrams MR4010 Power OSC IC631 NJW1156 Audio Selector IC5001 ...
Страница 89: ...Key No Part No Description Key No Part No Description 89 Electrical Parts List KJ8 WL2500A00 KJ8 WL2503A00 ...
Страница 90: ...Key No Part No Description Key No Part No Description Electrical Parts List 90 KJ8 WL2500A00 KJ8 WL2503A00 ...
Страница 91: ...Key No Part No Description Key No Part No Description 91 Electrical Parts List KJ8 WL2500A00 KJ8 WL2503A00 ...
Страница 92: ... KJ8AG Aug 2011 DC 50 Printed in Japan SANYO Electric Co Ltd ...