Sanyo PLC-XF20 Service Manual

Also see for XF20 - PLC XGA LCD Projector: Owner's manual Specifications Instruction manual

Contents

-36-1. Project Green grid pattern.2. Press the ZOOM () button, (to increase image size)and press the FOCUS (FAR) or (NEAR) button tomake a picture in sharp focus.3. project Red (or Blue) grid pattern.4. Loosen the 4 screws “B” with the allen wrench.5. Insert the slot type screwdriver in the slots ➀, ➁,➂and ➃ (Fig.1) and gently turn the screwdriver untilthe each corner of screen is in sharp focus. The rela-tion of adjustment points and screen corners are indi-cated with ➀, ➁, ➂ and ➃ shown in Fig.1 and Fig.2.6. Tighten the 4 screws “B” and securely attach thepanel unit.Red (or Blue) Focus AdjustmentScrews-AScrwes-BScrwes-BFig.-1123 412341234Green panelRed panelBlue panelFig.-1Screen Focus AdjustmentWhen you replace all of LCD panels such as disassembly cleaning, etc.,first adjust the G-LCD panel as the standard reference, after that, adjustthe R-LCD panel and B-LCD panel focus adjustments.When you replaced one of LCD panels, adjust only the replaced LCDpanel focus to put the un-replaced LCD panels focus.1. Project Green grid pattern.2. Press the ZOOM ( ) button, (to reduce image size)and press the FOCUS (FAR) or (NEAR) button to thecenter of screen is in sharp fucus.3. Press the ZOOM () button, (to increase imagesize).4. Loosen the 4 screws “A” with the allen wrench (Fig.1).5. Insert the slot type screwdriver in the slots ➀, ➁ and➂/➃ (Fig.1) and gently turn the screwdriver until theeach corner of screen is in sharp focus. The relationof adjustment points and screen corners are indicat-ed with ➀, ➁, ➂ and ➃ shown in Fig.1 and Fig.2.6. Press the ZOOM ( ) button, (to reduce image size)and check to see sharp focus is retrained. If in sharpfocus, adjustment is completed. If not, repeat steps 2to 6.7. Tighten the 4 screws “A” and securely attach theGreen panel unit.Green Focus Adjustment/16732