Mitsubishi WS-48515 Service Manual download pdf (Page 35)

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.

V25

CONV FINE GREEN

V13 H-4 SD

VERTICAL

DATA

HORIZ.

DATA

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 80 81

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Mitsubishi WS-48515 Service Manual Page 35