Convergence Adjustment Mode - Mitsubishi Electric WT-46807 Service Manual

MODELS: WT-46807 / WS-55807 / WS-55857 / WS-55907 /WS-65807 / WS-65857 / WS-65907 / WS-73907
6.

Convergence Adjustment Mode

The Convergence mode is used to perform raster geometry correction, and convergence adjustments.
These adjustments must be made in both the SD (NTSC) and HD modes.
A. Convergence Mode Activation
1. Press MENU-8-2-5-9
2. When the Convergence Mode is activated, the
display on the right appears on a Green Crosshatch.
B. Selecting the HD or SD Mode
1. Select the Signal Source before entering the Convergence Mode, either an NTSC or HD source.
2. Enter the Convergence Mode
•
If the signal source is NTSC, the SD mode is activated.
•
If the signal source is HD 1080i, the HD mode is activated.
3. Activating the HD mode when no HD signal is available
•
Activate the Factory Option Menu (MENU-8-2-7-0)
•
Use the "Adjust" keys to select "DTV Port" and press the "Enter" key three times to change the
setting to "1080i". Sequence = "AUTO"-"480i"-"480p"-"1080i." Note: Ignore any loss of sync
while changing modes.
•
Exit the Option Menu (Press MENU twice)
• Select the DTV Inputs as the signal source (INPUT button)
•
Activate the Convergence Mode ... the Convergence mode will be in the HD mode and the
internal crosshatch is displayed.
4. After adjusting Convergence, be sure to set the DTV Port back to AUTO.
•
Select an analog Input as the signal source (INPUT button)
•
Activate the Factory Option Menu (MENU-8-2-7-0)
•
Use the "Adjust" keys to select "DTV Port" and press the "Enter" key once to change the setting
from "1080i" to "AUTO".
•
Exit the Option Menu (Press MENU twice)
C. Convergence Mode Functions
In the Convergence Mode there are three main Functions (Categories).
•
Pressing "6" activates CONV MISC
•
Pressing "5" activates COARSE CONV
•
Pressing "4" activates FINE CONV
D. CONV MISC (Press 6)
This mode is used to preset data values controlling the Convergence Generator, and to perform the HV
Regulation adjustment.
1. Use the VIDEO button to select an item.
2. Use the ADJUST buttons to change data.
NOTE: When Item "0 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.
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