Sanyo LCD-20XR1/AU Service Manual

Contents

52 800 x 600 @ 60 40.000 37.879 60.3173 1024 x 768 @ 60 65.000 48.363 60.0044 1024 x 768 @ 70 75 56.48 70.075 1280 x 1024 @ 60 109.47 63.72 60e). YPbPr InterfaceInput YPbPr signal to YPbPr/YcbCr interface. Separately input the several types of YPbPr formatsignals: 480P/60Hz, 480P/59Hz; 720P/60Hz, 720P/59Hz; 1080i/60Hz, 1080i/59Hz; 1080p/60Hz,1080p/59Hz and check if the picture and sound is normal.5. Preset ex-worksIn the status of TV enter the factory menu by pressing the factory key and then perform presetting.6. Ex-works packingCheck accessories and then pack them in box.Trouble shootingBefore servicing please check to find the possible causes of the troubles according to the tablebelow.1.Antenna (signal):Picture is out of focus or jumping z Bad status in signal receivingz Poor signalz Check if there are failures with the electrical connector orthe antenna.z Check if the antenna is properly connected.Fringe in picture z Check if the antenna is correctly oriented.z Maybe there is electric wave reflected from hilltop orbuilding.Picture is interfered by stripeshaped bright spotsz Possibly due to interference from automobile, train, highvoltage transmission line, neon lamp etc.z Maybe there is interference between antenna and powersupply line. Please try to separate them in a longerdistance.z Maybe the shielded-layer of signal wire is not connectedproperly to the connector.There appear streaks or light coloron the screenz Check if interfered by other equipment and if interferedpossibly by the equipment like transmitting antenna,non-professional radio station and cellular phone.2.TV set:Symptoms Possible causeUnable to switch the power on z Check to see if the power plug has been insertedproperly into the socket.No picture and sound z Check to see if the power supply of liquid crystal TVhas been switched on. ( as can be indicated by the5ALIGNMENT INSTRUCTION AND TROUBLE SHOOTING