-5-
Fuse
A fuse is located inside of the projector. When the POWER indica-
tor is not lightning, the fuse may be opened. Check the fuse as
following steps.
The fuse should be used with the following type;
Fuse Part No.: 323 021 7804
tYPE t6.3AH 250V FUSE
LIttLE FUSE INC. tYPE 21506.3
How to replace the fuse
1. Remove the lamp cover and fuse cover as shown in figure.
. Take the fuse out from the aperture, 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 (SW90) inside of the projector to detect
the internal temperature rising abnormally. When the internal tem-
perature reaches near 105˚C, the thermal switch opens to stop the
operation of the power supply circuit.
The thermal switch cannot be reset itself automatically even if the
internal temperature becomes normal. Reset the thermal switch
following to the below procedure.
How to reset the thermal switch
1. Remove the cabinet top, cabinet front and main board and then
remove the power box top cover.
. Press the reset button on the thermal switch in the power box.
CAUtIoN:
Before press the reset button, make sure that the AC cord must be
disconnected from the AC outlet.
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 (SW90)
Fuse
Circuit Protections
Fuse cover
Содержание PRM-10
Страница 28: ...28 Electrical Adjustments 40 2 0 3 40 40 2 40 40 MAIN BOARD Test Points and Locations...
Страница 53: ...53 BA7078 Sync Separator IC5301 IC Block Diagrams BA9743 DDC Control IC5651...
Страница 54: ...54 IC Block Diagrams L3E6100D D A S H LCD Driver IC501 IC531 IC561 FA5502 P F Control IC621...
Страница 55: ...55 IC Block Diagrams L3E06150 D A S H IC501 IC531 IC561 L3E07110 LCD Driver Gamma Correction IC401...
Страница 56: ...56 IC Block Diagrams M62334 D A IC3571 NJW1141 Audio Control IC5001...
Страница 57: ...57 IC Block Diagrams STR Z2156A Power Switching IC631 uPD64012 Video Decoder IC101...
Страница 85: ...KJ7 1000 85 Mechanical Parts List L11 L08 L12 L16 L04 L17 L10 L06 L03 L05 In the Optical Unit...
Страница 87: ...KJ7 1000 87 Mechanical Parts List...
Страница 88: ...KJ7YC Apr 2008 Printed in Japan...
Страница 98: ...A10 SCH_KJ7AC 1 3 4 5 6 7 8 9 10 11 1 13 14 15 16 A B C D E F G H I J K L A B C D E F G H I J K L NO DATA...