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Very good manual with clear electrical diagrams. Thanks owner-manuals.
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Great manual, thank you, sony kp46s3 service manual perfectly, i am very happy.
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Complete original Service Manual in good (scan) quality!
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Very good manual. Plenty of service information including alignment instructions. Clear circuit diagram. Excellent, thank you.
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Good morning, the service manual you sent me was perfect.
Your service and answering are excellent.
I recomend this service.
Best regards.
â� Circuit Protections
This projector is equipped with the following circuit protections to operate in safety. If the abnormality occurs inside the projector, it will automatically turn off by operating one of the following protection circuits.
� Fuse
The fuse is located inside of the projector. When either the LAMP indicator or the READY indicator is not illuminated, fuse may be opened. Check the fuse as following steps. It should be used the specified fuse as follows; Fuse Line Filter Board
Fuse Part No.: 423 025 1201 TYPE T8AH 250V FUSE LITTEL FUSE INC. TYPE 215008 How to replace the fuse 1. Remove the cabinet top following to �Mechanical
Disassemblies�. 2. Remove the fuse from fuse holder. To install the fuse, take reversed step in the above.
� Thermal switch
There is the thermal switch (SW905) inside of the projector to prevent the internal temperature from rising abnormally. When the internal temperature reaches near 90�C, turn off the AC main power supply automatically. The thermal switch is not reset to normal automatically even if the internal temperature becomes normal. Reset the thermal switch following procedure. Check the resistance between terminals of thermal switch by using the tester. If it has high impedance, thermal switch may be in operative.
How to reset the thermal switch 1. Loosen 2 screws and open the lamp cover. 2. Press the reset button on the thermal switch with a sharppointed tool. CAUTION: Before press the reset button, disconnect the AC cord from the projector. Interlock switch Thermal switch
Lamp cover
� Interlock switch
The interlock switch (SW902) cuts off the AC mains power supply when the lamp cover is removed. After opening the lamp cover for replacing the lamp ass�y, place the lamp cover correctly otherwise the projector can not turn on.
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