Sanyo LCD-22XR8DA Service Manual

3Alignment instructions1. Test equipmentVG-848 (YPbPr,VGA signal generator)VG-849 (HDMI signal generator)CA210 (white balancer)2. Power testConnect power board, digital processing board, IR board and backlight board according the wiringdiagram, connect the power and press to turn on the TV.Test the pin voltage of X401, the data is shown in table1:Table1 voltage data of X401X401 Pin1 2 3 4 5, 6 7, 8 9 10 11 12 13Voltage 5V±5% 0 5V±5% 0 12V±5% 0 ≤3.3V ≤5V ≤3.3V 32V±5% 03. Alignment flow-chartThe alignment flow-chart is shown as fig-1Check if EDIT, HDCP KEY, FLASH are writtenWhite balance adjustmentConnect to the center signal source and check eachfunction of TV (station leaking, analog control, etc.)check the output of earphone and speaker.Input AV signal and check the functionCombined test for general assemblyCheck the other functions (LCN, OTA)Input Component signal and check the function of YPbPrInput D-SUB signal and check if the display is normal, checkthe function (analog control), horizontal/vertical center, etc.Input HDMI signal and check if the display is normal, checkthe function (analog control), horizontal/vertical center, etc.