Sanyo PLC-WL2500A Service Manual

Also see for PLC-WL2500A: Owner's manual Manual Manual Quick reference guide Owner's manual

Contents

Sanyo PLC-WL2500A Service Manual Manual pdf 30 page image

-30-Electrical Adjustmentsx Panel type check and setting* Before setting, you need to check which type of LCD pan-el is placed on the projector according to the item "LCDpanel/prism assy removal" in the chapter "Optical partsdisassembly".1. Enter the service mode.2. Panel type checkSelect group no. "290", item no. "0". Check the datavalue as follows;Data value: 0 For L-type of LCD panelData value: 20 For R-type of LCD panelIf the mounted LCD panel type and set panel modeare differ, take the step below.3. Panel type mode settingSelect group no. "290", item no. "1" and change datavalue from 10 to 0 or 20 depending on your LCD paneltype. When the data value reaches 0 or 20, it returnsto 10 quickly. The gamma-characteristics changes ac-cording to your selection.Note:Be careful to take this adjustment. The value of gammaadjustment data will be reset and cannot be restored ifyou change the mode of LCD panel typev Component auto calibrationInput mode Computer 1 (Component)Input signal 480i componennt signalInput parttern 8 color signal1. Enter the service mode.2. Select Group "260", No. "0" and set data value "0" to"1".The projector begins auto-calibration and then "OK"will appear on the screen.b Video auto calibrationInput mode VideoInput signal Composite video signalInput pattern 16-step gray scale1. Enter the service mode.2. Select Group "260", No. "0" and set data value "0" to"1".After the auto-calibration completed, "OK" will appearon the screen.Adjustments item no. [3] to [5] are carried out at thespare parts shipment in the factory, therefore they arenot required when the main board is replaced with newone.z Fan voltage adjustmentEquipment Digital voltmeter1. Enter the service mode.2. Adjust the voltage on each test point by changing thedata values of the Group - No.Group No. Test Point Adjustment value250 - 0 TPFANA 4.5 ±0.1Vdc250 - 1 TPFANA 13.5 ±0.1Vdc250 - 2 TPFANB 5.0 ±0.1Vdc250 - 3 TPFANB 13.5 ±0.1Vdc250 - 4 TPFANC 5.0 ±0.1Vdc250 - 5 TPFANC 13.5 ±0.1Vdcc PC auto calibrationInput mode Computer 1 (RGB)Input signal XGA computer signalInput pattern 16-step gray scale1. Enter the service mode.2. Select Group "260", No. "0" and set data value "0" to"1".The projector begins auto-calibration and then "OK"will appear on the screen.