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AV21BF10ENS AV21BF10EES AV21BF10EJS AV21BF10EPS
Item 4: 3 HORIZONTAL SHIFT Ad justment Measuring instruments Signal gener ator Test point Ad justment part Ad just 12 ( 4 : 3 ) Ad just 23 ( 16 : 9 ) Description 1. Receive a RED test pattern. 2. Set < 4 : 3 aspect m od e >. 3. Select < ADJUST 12 > from SERVICE MENU. 4. Change horizontal shift till the picture is horizontally centered. Check whether this adjustment is correct after completing Service Mode Adjustment. 5. Set < 16 : 9 aspect mode >. 6. Adjusts with the step whic h is the same above from 3 to 4 about the 16 : 9 aspect mode, too. VERTICAL SLOPE Ad justment Signal gener ator Ad just 13 ( 4 : 3 ) Ad just 24 ( 16 : 9 ) 1. 2. 3. 4. Receive a cross-hatch signal. Set < 4 : 3 aspect m od e >. Select < ADJUST 13 > from SERVICE MENU. Change vertic al slope till the size of squares on both the upper and lower part of tes t pattern bec ome equal to the squares laying on the vertical center of the test pattern. Check and readjust VERTICAL SLOPE item if the adjustment becomes improper after some other geometric adjustments are done. 5. Set < 16 : 9 aspect mode >. 6. Adjusts with the step whic h is the same above from 3 to 4 about the 16 : 9 aspect mode, too. 1. Receive a PAL tes t pattern signal. 2. Set < 4 : 3 aspect m od e >. 3. Select < ADJUST 14 > from SERVICE MENU. 4. Change vertical s lope till horizontal black lines on both the upper and lower part of the test pattern bec ome very close to the upper and lower horizontal sides of picture tube and nearly about to disappear. Check and readjust VERTICAL AMPLITUDE item if the adjustment becomes improper after some other geometric adjus tments are done. 5. Set < 16 : 9 aspect mode >. 6. Adjusts with the step whic h is the same above from 3 to 4 about the 16 : 9 aspect mode, too.
