Sanyo PDP-50XR7 Service Manual

3too big screw.1.20 Care must be taken to guard against dust during assembling or dismantling, especially to avoiddirt from falling in between the screen and the glass lest it should harm the receiving and viewingeffect.1.21 There is piece of insulator stuck on the rear chassis corresponding to the power supply board.It is used to isolate the cool part from the hot part. Please take care to keep it intact lest it shouldbecome a potential safety trouble.1.22 In addition to plasma screen, the glass is a part of high value. It has such functions asanti-radiation, adjustment of color temperature etc. Please handle it carefully.Alignment instructions1. Test equipmentPM5518 (video signal generator)VG-849 (VGA signal generator)CA210 (white balancer)2 Alignment flow-chartThe alignment flow-chart is shown as fig-1Fig-1 adjustment flow-chart3 Unit adjustmentsConnect all the boards according to wiring diagram, connect with power and observe the display.Method for entering factory menu: press “INPUT”, “2”, “5”, ”8” and “0” in turn to enter factory menu;press “CH+” and “CH-” to select adjustment items and press “VOL+” and “VOL-” to adjust valueitems, press “MENU” continuously to exit.Check DDC, HDCP KEY, FLASH and POWER control ICFactory initialization setupIF channel voltage of TV and AGC voltage adjustmentWhite balance adjustmentCombined test for general assemblyPerformance checkPreset ex-factory