Sanyo PLC-SU70 Service Manual
Also see for PLC-SU70: Owner's manual
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Contents
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-18-Optical Adjustments[Before Adjustment]- Input a 100% of black raster signal.1 Loosen a screw A (Fig.1-1/1-2) on the polarized glass mountingbase which you intend to adjust.2 Turn the polarized glass mounting base as shown in Fig.1-1 toobtain the darkest brightness on the screen.3 Tighten the screw A to fix the polarized glass mounting base.Repeat steps 1 to 3 for remaining polarized glasses.B-Polarized GlassMounting BaseR-Polarized GlassMounting BaseG-Polarized GlassMounting BaseAAAFig.1-2Fig.1-1Polarized glassmounting baseMain BoardAContrast adjustmentBefore taking optical adjustments below, remove the Cabinet Top following to the “Mechanical Disassembly”.Adjustments require a 2.0mm hex wrench and a slot screwdriver. When you adjust Integrator lens or Relay lensadjustment, you need to disconnect FPC cables of LCD panels on the main board.Optical adjustment requires a 2.0mm hex wrench and a slot screwdriver.Note: Do not disconnect connectors on the main board, because the projector cannot turn on due to operate thepower failure protection.WARNING : USE UV RADIATION EYE AND SKINPROTECTION DURING SERVICEING.CAUTION:To prevent suffer of UV radiation, those adjustmentmust be completed within 25 minutes. |
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