Sanyo PLC-XTC50AL Service Manual

Also see for PLC-XTC50AL: Owner's manual Specifications Specifications

Contents

-46-WArNING : uSe uV rAdIAtIoN eYe ANd SKIN ProtectIoNdurING SerVIcINGcAutIoN: to prevent suffer of uV radiation, those adjustmentsmust be completed within 25 minutes.CAUTION:When adjusting the optical components, do not insert any materials into theoptical block for blocking the light. Or the optical block may be damaged byoverheating or scratching the parts.To select the internal test pattern1 Press the MENU button.2 Select the "Test pattern" from the "Setting" menu.3 Press the SELECT button. The test pattern menu ap-pears on the screen.4 Select a pattern name and press SELECT button.To cancel the test pattern, press any of the buttons.ColorGradation 1Gradation 2Gradation 3Gradation 4All whiteAll blackCrossSettingTest pattern1 Each adjustment requires hex wrenches and slot screwdrivers.2 Set the lens position specified below with Lens Shift Button.Horizontal Lens Position: CenterVertical Lens Position: End of the bottom3 When adjusting optical components adjustments, usingStandard Zoom Lens is recommended.4 When adjusting the optical axis adjustment, follow thefollowing procedure.a) Disconnect the three flexible cables of the LCD panelsfrom the main board. (Do not touch the electrode offlexible cables.)b) Do not disconnect the sockets on the main board oth-erwise the power protection function will operate toshutdown the projector.5 These adjustments should be taken in the dark room toadjust precisely.CAUTION: Do not short main board with the chassis.Protect main board with necessary isolationmaterials from shorting.Before AdjustmentOptical AdjustmentCondenser lensadjustmentRelay lens ad-justmentMirror adjustment