Sanyo PLC-WM5500 Service Manual

Also see for PLC-WM5500: Owner's manual Brochure Manual Manual Owner's manual

Contents

-42-Electrical Adjustmentv Component Auto calibrationInput mode Video mode (Input 2 -Component)Input signal 100% color bar signal (480i)100% color bar signal (480p)100% color bar signal (720p)100% color bar signal (1080i)1. Enter the service mode.2. At first, input the 100% color bar signal (480i).3. Select Group "200", No. "72" and set data valueto "0". Select Group "200", No. "71" and set datavalue to "1".4. 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.5. Select Group "200", No. "71" and set data valueto "0".6. Select Group "260", No. "0" and set data value "0"to "1".The projector begins auto-calibration and then "OK" willappear on the screen.7. Change another input signal and take steps 3 - 6 again.8. Select Group "200", No. "71" and set data value to"1". Select Group "200", No. "72" and set data valueto "1".b Video Auto calibrationInput mode Video mode (Input 3 Video)Input signal 100% color bar signal (480i)1. Enter the service mode.2.Select Group"200",No."72"and set data valueto"0",Select Group"200",No."71"and set data value to"1".3.Select Group"260",No."0"and set data value"0"to"1".The projector begins auto-calibration and then"OK"willappear on the screen,4.Select Group"200",No."71"and set data value to"1".Select Group"200",No,"72"and set data value 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 withnew one.x Fan Voltages 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. Fan Test Point Adjustment value250 - 0 FN909 TPFN11 4.5 +0.1 -0Vdc250 - 1 FN909 TPFN11 13.8 +0 -0.1Vdc250 - 2 FN906 TPFN6 4.5 +0.1 -0Vdc250 - 3 FN906 TPFN6 13.8 +0 -0.1Vdc250 - 4 FN904 TPFN4 4.5 +0.1 -0Vdc250 - 5 FN904 TPFN4 13.8 +0 -0.1Vdc250 - 6 FN902 TPFN2 4.5 +0.1 -0Vdc250 - 7 FN902 TPFN2 13.8 +0 -0.1Vdc250 - 8 FN901 TPFN1 4.5 +0.1 -0Vdc250 - 9 FN901 TPFN1 13.8 +0 -0.1Vdc250 - 10 FN903 TPFN3 4.5 +0.1 -0Vdc250 - 11 FN903 TPFN3 13.8 +0 -0.1Vdc250 - 12 FN905 TPFN5 4.5 +0.1 -0Vdc250 - 13 FN905 TPFN5 13.8 +0 -0.1Vdc5. Select Group "260", No. "0" and set data value "0"to "1".The projector begins auto-calibration for SUB andthen "OK" will appear on the screen.6. Select Group "200", No. "70" and set data valueto "0". Select Group "200", No. "72" and set datavalue to "1".After replacing the Power Board, perform the Outputvoltage adjustment as follows.1. Connect a digital voltmeter to pins 2 (-) and 1 (+) ofK6A.2. Adjust the voltage by using VR601 as following.AC Input Reading230V 370V ±2VCaution:Be sure to connect the lamp when taking this adjust-ment.* This adjustment is not required even if the power boardis replaced because this adjustment is carried out be-fore parts shipment.z Output Voltage adjustmentc PC Auto calibrationInput mode Computer mode (Input 1 RGB)Input signal 16-step gray scale computer signal1. Enter the service mode.2. Select Group "200", No. "70" and set data value to"0". Select Group "200", No. "72" and set data valueto "0".3. Select Group "260", No. "0" and set data value "0"to "1".The projector begins auto-calibration for MAIN andthen "OK" will appear on the screen.4. Select Group "200", No. "70" and set data valueto "1".