Zenith C32V23 Service Manual

Also see for C32V23 - 32" Flat-Screen Integrated HDTV: Operating guide & warranty

PV154 - 923-03497 3-10 AB - SERVICINGSERVICINGGEOMETRY ADJUSTMENTSREGISTER #125 / NAME AFC-BOWThe “AFC-BOW” values can go from 0 up to 63. If youdecrease the register value down to 0 you’ll see the fig 1.If you increase the register value up to 63 you’ll see fig. 2.Fig 1Fig 2Figure 1: This image shows the result of decreasing theregister down to 0. You can notice that top and bottomhalf of picture shift left respect to picture center, againimage center remains unchanged.Figure 2: This image shows the result of increasing registerup to 63 . You can notice that top and bottom half of thepicture shift right with respect to picture center. Centerremains unchanged.REGISTER #126 / NAME AFC-ANGLEThe “AFC-ANGLE” values can go from 0 up to 63. If theregister value is increasing up to 63 you will see the fig 3.If you start decreasing the register value down to 0 you’llsee the fig 4.Fig 3Fig 4Figure 3: This image shows the result of increasing theregister up to 63 look that the center area remainsunchanged while top and bottom half are moving describingan inverted “S”.Figure 4: This image shows the result of decreasing theregister value down to 0 look that center area remainsunchanged while top and bottom half of picture are movingdescribing a “S”.REGISTER # 127 / NAME V-SIZEThe “V-SIZE” correction affected only vertical amplitudeof picture. The register can take values from 0 up to 63.If you decrease the register value down to 0 you’ll seethe fig 5. If you increase the register value up to 63 you’llsee fig. 6.Fig 5Fig 6