Sanyo PLC-XD2200 Service Manual
Also see for PLC-XD2200: Owner's manualEasy setupManualManualCommand list
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Contents
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--Electrical AdjustmentsGain adjustment [Pc]1. Enter the service mode.2. Receive the 16-step grey scale computer signal withcomputer1 [rGB] mode.. Connect an oscilloscope to test point “tP35G” (+)and chassis ground (-).4. Select group no. “0”, item no. “3” and adjust the ampli-tude “a” to be minimum by changing the Data value.5. Connect an oscilloscope to test point “tP35r” (+)and chassis ground (-).6. Select group no. “0”, item no. “4” and adjust the ampli-tude “a” to be minimum by changing the Data value.7. Connect an oscilloscope to test point “tP35B” (+) andchassis ground (-).8. Select group no. “0”, item no. “5” and adjust the ampli-tude “a” to be minimum by changing the Data value.(a)White LevelPedestal adjustment [Pc]1. Enter the service mode.2. Receive the 16-step grey scale computer signal withcomputer1 [rGB] mode.. Connect an oscilloscope to test point “tP35G” (+)and chassis ground (-).4. Select group no. “0”, item no. “0” and change datavalue to adjust the pedestal level and black level to bethe same level.5. Connect an oscilloscope to test point “tP35r” (+)and chassis ground (-).6. Select item no. “1” and change data value to adjust thepedestal level and black level to be the same level.7. Connect an oscilloscope to test point “tP35B” (+) andchassis ground (-).8. Select item no. “2” and change data value to adjust thepedestal level and black level to be the same level.Pedestal LebelBlack Lebel1. Enter the service mode.2. Receive the 16-step grey scale computer signal withcomputer1 [rGB] mode.. To start the auto-calibration for PC adjustment, selectgroup no. “260”, item no. “0” and then change datavalue from “0” to “1”. After the auto-calibration com-pleted, "OK" will appear on the screen.4. Auto calibration adjustment [Pc]Below adjustments are performed when the aboveauto calibration is failed.Pedestal adjustment [component]1. Enter the service mode.2. Receive the 16-step grey scale 480i-component signalwith computer1 [component] mode.. Connect an oscilloscope to test point “tP35G” (+)and chassis ground (-).4. Select group no. “0”, item no. “0” and change datavalue to adjust the pedestal level and black level to bethe same level.5. Connect an oscilloscope to test point “tP35r” (+)and chassis ground (-).6. Select item no. “1” and change data value to adjustthe pedestal level and black level to be the same lev-el.1. Enter the service mode.2. Receive the 8 color 100% color bar 480i-componentsignal with computer1 [component] mode.. To start the auto-calibration for Component adjust-ment, select group no. “260”, item no. “0” and thenchange data value from “0” to “1”. After the auto-cali-bration completed, "OK" will appear on the screen.5. Auto calibration adjustment [component]Below adjustments are performed when the aboveauto calibration is failed.7. Connect an oscilloscope to test point “tP35B” (+)and chassis ground (-).8. Select item no. “2” and change data value to adjustthe pedestal level and black level to be the same lev-el.Pedestal LebelBlack LebelGain adjustment [component]1. Enter the service mode.2. Receive the 16-step grey scale 480i-component signalwith computer1 [component] mode.. Connect an oscilloscope to test point “tP35G” (+)and chassis ground (-).4. Select group no. “0”, item no. “3” and adjust the ampli-tude “a” to be minimum by changing the Data value.(a)White Level |
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