Sanyo CE29FFV2-F Service Manual

Contents

Service Manual MS CE25FV2-E1017 Adjustment and repair proceduresADJUSTMENTSIGNAL CONDITIONS TEST POINTS ADJUSTMENT POINT ADJUSTMENT PROCEDURE INSTRUMENTSPower supply Philips pattern Picture: NormalisedSound: Minimum volumeB1Cathode D850VR800 Adjust to obtain:150V ± 0.5V in CRTs Philips A59/A66EAK071X11 if C651 = 12 nF148V ± 0.5V in CRTs Philips A59/A66EAK071X11 if C651 = 11 nF148V ± 0.5V in CRTs Videocolor A59/A66EHJ43X38150V ± 0.5V in CRTs Panasonic A59/A66ECF50X05118V ± 0.5V in CRTs Philips A51EAL155X10/X11Voltmeter DCResolution >0,1VAGC. UHF Band - midchannel (e.g.CH25)Aerial signal level: 60dBuV (1mVrms) Pin 1 of TU250(AGC)SERVICE/VIF/AGC Adjust to obtain 3,3V ±0,2V Voltmeter DCResolution >0,1VSound IF Any picture Pin 5 of IC1350 L1351 Adjust to obtain 2,3V ±0,15V Voltmeter DCResolution >0,1VVertical slope Philips pattern Picture: Normalised CRT Screen SERVICE/GEOMETRY/VERT SLOPE Adjust to achieve that the centre line of the Philips pattern matches thebeginning of the service blankingVisual adjustmentVertical centre Philips pattern Picture: Normalised CRT Screen SERVICE/GEOMETRY/VERT SHIFT Adjust to centre the picture in vertical direction Visual adjustmentVertical size Philips pattern Picture: Normalised CRT Screen SERVICE/ GEOMETRY/VERT AMPLIT Adjust just to get the checked board hidden Visual adjustmentHorizontal centre Philips pattern Picture: Normalised CRT Screen SERVICE/ GEOMETRY/HOR SHIFT Adjust to centre the picture in horizontal direction Visual adjustmentWidth (90º) Philips pattern Picture: Normalised CRT Screen L653 Adjust just to get the checked board hidden Visual adjustmentWidth (110º) Philips pattern Picture: Normalised CRT Screen SERVICE/ GEOMETRY/EW AMPLIT Adjust just to get the checked board hidden Visual adjustmentPin Cushion(110º)Philips pattern Picture: Normalised CRT Screen SERVICE/ GEOMETRY/PARABOLA Adjust to correct the pin cushion distortion in the way that vertical laterallines become straightVisual adjustmentCorner PinCushion (110º)Philips pattern Picture: Normalised CRT Screen SERVICE/ GEOMETRY/CORNERPARAdjust to correct the pin cushion distortion in the corner in the way thatvertical lateral lines become straightVisual adjustmentTrapezium (110º) Philips pattern Picture: Normalised CRT Screen SERVICE/ GEOMETRY/TRAPEZIUM Adjust to obtain the lateral vertical lines parallel Visual adjustmentG2 Philips pattern Before SERVICE/G2/BRI must be:32 en CRTs Philips A59/A66EAK071X110 en CRTs Philips A51EAL155X10/X11CRT Screen SERVICE/G2/ADJSCREEN potentiometerAdjust just to see the service line Visual adjustmentWhite point Philips pattern Picture: Normalised CRT Screen SERVICE/WHITE/GREENSERVICE/WHITE/REDAdjust to obtain a white tone acceptable Visual adjustmentFocus Philips pattern Picture: Normalised CRT Screen FOCUS potentiometer Adjust to obtain the best possible focusing in the centre of screen Visual adjustmentTXT centre Philips pattern Picture: Normalised CRT Screen SERVICE/MORE/CENTR TXT Adjust to centre the OSD in the screen Visual adjustmentCommon condition to all adjustments (except AGC): The aerial signal level must be acceptable (the picture doesn’t present snow degradation)17.1 Notes about the adjustment:Normalised: Factory picture control normal has the following OSD positions:• Brightness: 32 (Push key “+” 32 times starting at minimum position)• Contrast: 58• Colour: 30