Sanyo LCD-42XR7H Service Manual

Contents

53.5.1 mode presetInput VG-848 of VGA signal(PATTERN 980:1 dot ON/OFF), select TIME877(720*400/70Hz), theTV will auto adjust to full screen, or enter display menu to do auto correction. AdjustTIME885(640*480/60Hz,TIME854(800*600/60Hz) by using the same method.3.5.2 VGA channel Auto colorInput VG848 of VISA mode signal to VGA channel, enter factory menu of Auto Color Setting item,select VGA and press enter to do Auto Color.3.6 YPbPr Auto ColorInput a high definition signal of VG-848, enter factory menu of Auto Color Setting item, select YPbPrand press enter to do Auto Color.3.7 AV Auto ColorInput FLUKE VIDEO signal of PAL, select PATTERN of 100% Color bar, enter factory menu of AutoColor Setting item, select VIDEO1 and press enter to do Auto Color.3.8 SCART Auto ColorConnect SCART1 RGB signal, input FLUKE signal of PAL system, PATTERN of 100% Color bar,enter factory menu of Auto Color Setting item, select SCART1 and press enter to do Auto Color.4 Performance check4.1 TV functionConnect RF-TV terminal to the central signal source, enter the search menu→ auto search, check ifthere is station skipping, manual search, fine tuning, the output of earphone and speaker, thepicture are normal.4.2 SCART/AV/S terminalInput SCART1(RGB+CVBS)/SCART2(CVBS+YC)/AV/S signal, check if the picture and sound arenormal.4.3 AUDIO OUT/VIDEO OUT terminalSeparate input signal at the status of TV/SCART/AV/S, connect AUDIO/VIDEO OUT to the monitorand check if the sound and the picture of the AUDIO OUT are normal.4.4 SCART terminal4.4.1 check the content of SCART OUTPUTSeparate input signal at the status of TV/SCART/AV/S, connect AUDIO/VIDEO OUT to the monitor,check if the picture and sound of SCART1 OUTPUT are the picture and sound of TV when inputSCART1(RGB+CVBS) and check if they are normal; check if the picture and sound of SCART2OUTPUT are the picture and sound of the present signal when input SCART2(CVBS+YC) andcheck if they are normal.4.4.2 check the function of SCART INPUTa) Connect SCART1 and the signal generator after turn on, the TV should auto switch to SCART1RGB or SCART1 CVBS. Connect SCART2 and the signal generator after turn on, the TV shouldauto switch to SCART2 CVBS or SCART2 YC.b) SCART signal generator sends CVBS signal (color bar and multi-burst) to SCART1, check if thepicture is normal, the OSD should be SCART1 VIDEO; the OSD should be SCART1 RGB whenSCART1 signal switches to RGB format.c) SCART signal generator sends CVBS signal (color bar and multi-burst) to SCART2, check if thepicture is normal, the OSD should be SCART2 VIDEO; the OSD should be SCART2 S-VIDEO