Sanyo PLC-SU40 Service Manual

Also see for PLC-SU25: Owner's manual Specifications

-21-■ Optical Adjustments[Before Adjustment]- Input a 100% of black raster signal.[R/G/B-CONTRAST ADJUSTMENT]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 BaseAAASlot BFig.1- 2Fig.1- 1Polarized glassmounting baseMain BoardAContrast adjustmentBefore taking optical adjustments below, remove the Cabinet Top and Main Board following to the “MechanicalDisassemblies”Adjustments require a 2.0mm hex wrench and a slot screwdriver. When you adjust Condenser lens, Condenserlens-out or Relay lens adjustment, you need to disconnect some connectors and FPC cables of LCD panels on themain board.Note: Do not disconnect connectors K8N, K8P and K8H on the main board, because the projector can not turn ondue to operate the power failure protection.