If the cooling is not sufficient because of the cooling fan failure installed at the bottom of the light valve or filter contamination installed at the top of the light valve , the power is shut off to protect the light valves from overheat. Signal is detected with internal receptor board. This is the one used by company people for their internal use and hence many of them are copyrighted by respective companies. Exclusive connector cable is not only connect signals but also connect to ground line in part and return to the other signal line inside. Remove the two screws under the handle, fixing lower case and upper case.
We are slowly increasing availability of service manuals on this website and if you can not find what you are looking for, please contact us and we will be happy to provide you if we can get hold of it. Before removing the lamp unit, make sure the temperature of the lamp inner housing unit has cooled down. As the primary technologies will be supplied with the service bulletin, you may update this manual. Do not loosen any screws. Cool down complete Replace power cable.
Remove the handle out of the lower case unit. The electric current control resistance and the noise filter circuit are only installed on the board. Remove the screw fixing the lamp thermistor on the light guide unit. Outside view Check out the any damage on the cover area. If you find questions you want to check while examining the flowchart, be sure to check those items during the troubleshooting procedure. ? Do not disassemble expect fans. If the circumstances around the power supply unit become the overheat condition by the abnormal fan or circuit condition, this thermistor shuts off the power.
Removing the Safety Switch Prerequisite condition:3. Remove three screws fixing speaker bracket on the lower case, then remove speaker bracket. Does following devices are Does screen appear on the checked. There are lenses and mirrors for dispersing the light built in the block. If you turn on the projector with the lamp cover open, the light source lamp lamp inner housing runs and generates the high heat.
Otherwise, the pixel divergence may occur. The interface connectors are shown below. Whenever you replace a unit or block for maintenance purposes, double-check the replaced unit or block is defective to determine whether the problem was due to a poor cable connection. Press Menu button on the switch panel or remote controller. Remove two fixing screws on the exhaust fan.
Remove four screws fixing the rear case on the bottom of lower case. The Power Supply unit generates the voltage for the control circuit +3. Remove two wire cables connecting the safety switch. You can control this device through the boards on both sides. A set of general precautions are given below. Start Does Exhaust fan work? Orange-blink Orange Cool down operation. We have tried utmost care to make sure completeness of manual.
Remove two screws fixing the speaker unit right. Effect1 to 5 are works. Remove two screws fixing the Foot Unit on the lower case, then remove the Foot Unit. This is the board with rated 62mA fuse, a new one has a fuse circuit. Warning: The lamp unit is very hot immediately after it is in use and may cause burns if you handle it carelessly.
Remove four fixing screws in the bottom of the light guide unit. Remove three screws fixing speaker bracket to the optical head chassis. Effect1 to 5 are works works with 10m distance? Connect the audio cable to Does audio device is plugged the Audio In 1 or 2 interface. Since you can reassemble the dismantled parts in the reverse order of disassembly, unless specifically specified, this manual contains no reassembly procedure. These server access are the main resource of our library. Hold the projection lens unit with your hand before removing all screws.
Remove three screws fixing base area of the power supply unit. Remove two fixing screws from the safety switch and detach the safety switch. You can remove the cooling fan and exhaust fan for cleaning purpose. If the lamp indicators blink alternately from beginning, the lamp life is no more than 100 hours. Before Starting Troubleshooting Procedures 1.
Remove two screws fixing the metal flame upper , then remove the metal flame. If overheat condition is caused by the contamination of the exhaust fan, normally the lamp thermistor listed in 2. Read them carefully before starting the assembly or disassembly procedure. Refer to the following table for detail. Safety switch is mounted on the light guide unit closed to the lamp inner housing. If you remove the upper guide cover from the unit, the alignment of lenses or mirrors may be unintentionally changed and also dust may stick to the unit.