Text preview for : On-Screen_Character_Position_Adjustment.pdf part of Mitsubishi VS-50805, WT-60805, WS-55905, WS-65905, WS-73905, WS-55805, WT-46805 Mitsubishi VS-50805, WT-60805, WS-55905, WS-65905, WS-73905, WS-55805, WT-46805 (Chassis V16 N W) (Training Manual + Schematic)
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MODELS: VS-50805 / VS-60805 / WT-46805 / WS-55805 / WS-55905 / WS-65905 / WS-73905
[Video Circuit] 17. Lens Focus
Measuring Instrument Test Point Ext. Trigger Measuring Range Input Signal Input Terminal ------------------Monoscope Video Input
Purpose:
To set the Lens position for optimum focus.
Symptom: Poor focus
Note: This adjustment must follow item 6 (Electrostatic Focus). Perform this adjustment for RED, GREEN, and BLUE monochrome pictures. 1. Supply a VIDEO signal (Monoscope). 2. Cover the Red and Blue Lens (producing a green raster). 3. Adjust the Green Lens for best focus at the center of the Monoscope pattern. Note: Attach a white paper to the screen center. During adjustment, observe the picture on the screen from inside for easier adjustment. 4. Repeat Steps 2 and 3 for the Red and Blue monochrome pictures.
[On Screen Display] 18.Character Position
Measuring Instrument Test Point Ext. Trigger Measuring Range Input Signal Input Terminal ------------------Video Signal Video Input
Purpose
To position the character display horizontally.
Symptom: Incorrect display position
1. 2. 3. 3.
Supply a video signal to a Video Input Enter the Service Mode HR function. Adjust so the width of (A) and (B) are equal as shown below. Save data and exit the Service Mode.
SERVICE MODE Activate .. MENU-1-2-5-7 Function .....AUDIO Item No. ..VIDEO Adjust Data ..ADJUST Save Data . ENTER Exit ..MENU (twice)
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