Mitsubishi WS-48515 Service Manual page 35

MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615
NOTE: When Item "1 HVOL" is selected the screen goes black except for the data display. This occurs
since a black screen is required when making the HV Regulation adjustment.
E. COARSE CONVERGENCE (Press 5)
There are four Sub Functions in the Coarse mode, COARSE GREEN, COARSE RED, COARSE BLUE and
DF.
•
COARSE GREEN .... used to make Coarse Raster Geometry Adjustments.
•
COARSE RED ... used to make Coarse Red Convergence Adjustments.
•
COARSE BLUE ... used to make Coarse Blue Convergence Adjustments.
•
DF ... used to preset data values controlling the Dynamic Beam Focus circuit drive signal.
1. Use AUDIO button to select a Sub Function
2. Use the VIDEO button to select an Adjustment Item.
3. Use the ADJUST buttons to change data.
F. FINE CONVERGENCE (Press 4)
Sub Functions
This mode is used to perform Fine Raster Correction, and Fine Red and Blue Convergence Adjustments.
There are three Sub Adjustment Functions, selected with the AUDIO button:
•
FINE GREEN .... a Green Crosshatch is displayed, to make Fine Raster Corrections.
•
FINE RED .... a White Crosshatch is displayed, to make Fine Red Convergence Adjustments.
•
FINE BLUE .... a White Crosshatch is displayed, to make Fine Blue Convergence Adjustments.
Cursor
In the Fine mode a Cursor is added to the Crosshatch. The ENTER button toggles the Cursor between two
modes:
•
MOVE (blinking Cursor) .... use the ADJUST buttons to select any of 64 points on the Crosshatch.
•
ADJUST (Non blinking Cursor) .... the ADJUST buttons adjust the active color at the current Cursor
position, horizontally or vertically.
Display
The on-screen display changes in the Fine mode, as shown at the right.
The display shows the vertical and horizontal data for the current Cursor
Position, and the horizontal and vertical coordinates for that position.
G. Saving Data and Exiting the Convergence Mode
Press MENU twice to exit the Convergence mode, data is automatically saved.
Page 35
V25
CONV FINE GREEN
V13 H-4 SD
VERTICAL HORIZ.
DATA DATA