Aiwa TV-CN143 Service Manual page 13

Menu Screen Adjustment
• Operate after inputting the following initial figures when replacing EEP ROM.
• Check the condition and adjust the area where the general repair is carried out.
TV-CN143
PAGE 1
1-1. H POS Horizontal Positioning / Adjustment Menu Screen : PAGE 1-1
Input signal : Crosshatch
Measuring instrument: Pattern generator
• Use the volume keys on the jig remote controller to adjust the dot mark
in the center of crosshatch screen to the exact centering position by
allocating an equal number of squares on the left and right side of the
dot. (Fig. 1-1)
1-2. V POS Vertical Positioning / Adjustment Menu Screen : PAGE 1-2
Input signal : Crosshatch
Measuring instrument: Pattern generator
• Using the volume keys on the jig remote controller, adjust the dot
position to the exact vertical centre position in the crosshatch screen.
(Fig. 1-2)
1-3. V SIZE Vertical Size Adjustment/Adjustment Menu Screen : PAGE 1-3
Input signal : Crosshatch
Measuring instrument: Pattern generator 13 or 14 squares
• Use the volume keys on the jig remote controller to adjust the vertical
number of squares to 13 or 14. (Fig. 1-3)
13