Canon LV-5110U Service Manual

Contents

Canon LV-5110U Service Manual Manual pdf 63 page image

2. ELECTRICAL ADJUSTMENTS[Adjustment condition]• Input signalVideo signal: 1.0Vp-p/75Ω terminated, 16 steps gray scale (Compositevideo signal)Component Video signal: 0.7Vp-p/75Ω terminated, 16 steps gray scale (Componentvideo signal with 480i, 480p, 575p, 720p, 1035i or 1080iformat)Computer signal: 0.7Vp-p/75Ω terminated, 16 steps gray scale pattern(SVGA)• Picture control mode “NORMAL” mode unless otherwise noted.Note:* Please refer to “Service Adjustment Menu Operation” for entering to the service modeand adjusting the service data.2.1 Output Voltage AdjustmentAfter replacing the Power Board, PF.C. Board, readjust the Output voltage adjustmentas follows.1. Connect a digital voltmeter to pins 1 (+) and 3 (-) of K6C.2. Adjust the voltage by using VR01 as following.AC Input Reading230V 380V ±2V120V 372V ±2V2.2 Fan Voltage Adjustment1. Connect a digital voltmeter to test point “TP6602” (+) and chassis ground (-).2. Enter to the service mode, select item no. “29” and set data value to “1”.3. Adjust the voltage to be 12.1 ±0.1Vdc by using VR6601.4. Check that the voltages at test points “ TP6601” (+), “TP6603” (+) and chassis ground(-) are 13.0 to 13.5Vdc.5. Select item no. “29” and set data value to “0”.Part 3: Adjustment3-7CAUTIONThe each circuit has been made by the fine adjustment at factory. Donot attempt to adjust the following adjustments except requiring thereadjustments in servicing otherwise it may cause loss of performanceand product safety.CAUTION Be sure to connect the lamp when taking this adjustment.