Manual Keystone Geometry Alignment - Mitsubishi Electric WD-60735 Service Manual

MODELS: WD-60735 / WD-60C8 / WD-65735 / WD-65736 / WD-65835 / WD-65C8 / WD-73735 /
3. Adjustment Function Selection
Use the "AUDIO" button to select a specific Adjustment Function.
NOTE: There are 2 Service Functions on these models: "TVM" and the "ASIC" function. Service adjustments
are performed in the TVM mode.
4. Adjustment Selection
Use the "VIDEO" button to select a specific electrical adjustment, "1.HVPOS".
Function
Adjustment
5. Adjusting Data
After selecting an adjustment item, use the DIRECTION (
• If a UP/DOWN (
• If a RIGHT/LEFT (
6. Saving data
Press "ENTER" to save the adjustment data in memory.
The display characters go red for approximately one second in this step.
Note: If the circuit adjustment mode is terminated without pressing
"ENTER", changes in adjustment data are not saved.
Summary:
• Calculates new geometry based on positional movement of 16 points
• Alignment does not effect the center of the picture, only the edge geometry
• When the adjustment mode is activated all 16 points will be set to default position
• The adjustment is not saved until the ENTER button has been pressed
• Pressing the ENTER button will save, however it will not indicate this in any manner
• For the adjustment to work properly all 16 points must be aligned before pressing the ENTER button
1. Activating the Adjustment Mode
1. Press the "MENU" button on a remote hand unit. (The "MENU" display will appear.)
2. Press the buttons "2", "4", "5", "7", pause and then press "0" (Data Selection Mode will appear)
Data Selection Mode
RESTORE ALIGNMENT AND WHITE BALANCE SETTINGS FROM BACKU P
RESTORE KEYSTONE GEOMETRY FROM BACKUP
MANUAL KEY STONE GEOMETRY ALIGNMENT
LO AD INDEX DELAY FROM ENGINE
COPY SETTINGS TO BACKUP
WARNING - only use "COPY SETTINGS TO BACKUP" after replacing the Optical Engine
3. Use the ( ) buttons to highlight "MANUAL KEYSTONE GEOMETRY ALIGNMENT" and press "ENTER".
The following pattern appears (see next page).
NOTE 1: If data is out of range, you may need to perform reset - Press (1) then ENTER. This nulls all correction data.
NOTE 2: To restore the original factory correction data, repeat steps 1 and 2, then select "RESTORE KEYSTONE
GEOMETRY FROM BACK UP" and press "ENTER".
WD-73736 / WD-73835 / WD-73C8
MENU + 2 4 5 7
ISF
TVM
1. HVPOS
) button is pressed, the VPOS adjustment data changes.
) button is pressed, the HPOS adjustment data changes.
16-Point Keystone Alignment
MENU + 2 4 5 7 + 0
Page 29
Data (HPOS)
65533
Data (VPOS)
65530
) buttons to change the adjustment.