Fine Convergence Adjustments - Mitsubishi Electric WT-42311 Service Manual

Projection television
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[Convergence Circuit]
18. Fine Convergence
Measuring
-----
Instrument
Test Point
-----
------
Ext. Trigger
Measuring
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Range
NTSC -- None
Input Signal
HD -- HD sync
Input Terminal
Video & DTV Inputs
CONVERGENCE MODE
Activate ........MENU-2-2-5-9
Misc. ........................."6"
Coarse........................"5"
Fine ..........................."4"
Color (R,G or B)......AUDIO
Item No..................VIDEO
Adjust/Move..........ADJUST
Cursor Toggle.........ENTER
Save & Exit.....MENU (twice)
MODEL: WT-42311 / WT-A42
Purpose:
To converge red, green and blue at the edges of the screen
Symptom:
Color edging at the edges of the picture.
SD Fine Adjustment
1. Select an External Input, no signal.
2. Activate the Convergence Mode, Fine Red.
3. Use the Cursor to converge red on the green.
4. Select the Fine Blue mode.
5. Use the Cursor to converge blue on the green.
6. Exit the Convergence mode.
HD Fine Adjustment
1. Supply an HD signal (sync only) to the DTV inputs and select DTV with the
"Audio" button.
Note: I f an HD signal is not available, use the Conv. HD with No Signal
Procedure.
2. Repeat SD Fine Adjustment Steps 2 through 6, in the HD mode.
CONV. HD WITH NO SIGNAL
1. MENU-2-2-7-0
2. Set DTV Port to 1080i
3. MENU (Twice)
4. INPUT select DTV inputs
5. MENU-2-2-5-9
After Adjusting, set the
DTV Port to AUTO
Page 36

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