Fine Convergence Adjustments - Mitsubishi Electric WS-48511 Service Manual

Projection television v21, v21+, v21++ chassis
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MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73Y11 / WS-B55
[Convergence Circuit]
22. Fine Convergence
Measuring
-----
Instrument
-----
Test Point
------
Ext. Trigger
-----
Measuring
Range
NTSC -- None
Input Signal
HD -- HD sync
Input Terminal
Video & DTV Inputs
CONVERGENCE MODE
Activate ........MENU-2-1-5-9
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)
Purpose:
To converge red, green and blue at the edges of the screen
Symptom:
Color edging at the edges of the picture.
Note:
Always use the Standard Format when aligning Geometry and Convergence.
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, select Ant-DTV, with no signal, as the
source.
2. Repeat SD Fine Adjustment Steps 2 through 6, in the HD mode.
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