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Istruzioni per l'uso Eiki, Modello LC-X71 LC-X71L

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File Nome : sm_LC-X71-partial.pdf

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KE6-X7100 KE6-X71L00 LC-X71 LC-X71L (LENSLESS) Give complete “Chassis No.” for parts order or servicing, it is shown on the rating sheet on the cabinet on the projector. FOREWORD For your convenience, all service parts, identified in this manual are available through Eiki’s normal distribution channels. In addition to service part number, the generic descriptions have been given, where possible, to allow your service technicians to substitute equivalent components which might be available from other sources. All orders for service parts will be honored. However, in instances where generic components are considered to be available from several common sources, as would be the case with an industry standard fuse, resistor, or semiconductor, it may be more economical and expeditious to purchase the part locally. PRODUCT CODE LC-X71 1 122 340 01 (KE6B) LC-X71 1 122 341 01 (LE6B) LC-X71L 1 122 340 21 (KE6BL) LC-X71L 1 122 341 21 (LE6BL) REFERENCE NO. SM5110788-00 Contents Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Circuit Protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Mechanical Disassemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Optical Parts Disassemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 LCD Panel/Prism Ass’y Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 Lamp Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Adjustments after Parts Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Optical Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Electrical Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Service Adjustment Menu Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Circuit Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Test Points and Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Service Adjustment Data Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 Chassis Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 Chassis block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 LED indication and projector condition . . . . . . . . . . . . . . . . . . . . . . . . . . .47 Power failure detection system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 Power failure detection tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49 Diagnosis of power failure with RS-232C port . . . . . . . . . . . . . . . . . . . . .50 Error history log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51 Control Port Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 Waveforms .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59 IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60 Electrical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 Mechanical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98 Optical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 Drawings & Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1-A17 Parts description and reading in schematic diagram . . . . . . . . . . . . . . . . . . . . .A2 Schematic diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A3-A10 Printed wiring board diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A11-A16 Pins description of ICs, transistors, diodes . . . . . . . . . . . . . . . . . . . . . . . . . . .A17 - 2 Safety Instructions SAFETY PRECAUTIONS WARNING: The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side of the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is identified with the line ( ) in the schematic diagram. For continued product safety and protecti...