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MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
Rotation Adjustment
Adjust [A-2] to remove any picture rotation
Horizontal Keystone Adjustment
Adjust [A-3] to remove horizontal keystone distortion.
NOTE: Vertical Positioning may shift
Vertical Keystone Adjustment
Adjust [A-1- To remove vertical keystone distortion.
[A-1] can only be accessed by the front access hole
shown above.
NOTE: Horizontal Positioning may shift.
After Adjustment
1) Slide the rubber wedge under the Engine slowly
until it make solid contact. (Figures Figures 3 & 6)
2) Tighten side Locking Screws [B-2]. (Figure 2)
3) Check the Picture, re-adjustment may be required
(usually rotation).
4) Tighten front Locking screw [B-1]. (Figure 3)
Electrical Adjustments
[Format Circuit]
Horizont/Vertical Positi0n Adjust-
ment
Measuring
Instrument
Test Point
----
------
Ext. Trigger
Measuring
------
Range
Input Signal
Internal Test Patern.
Input Terminal
Video
All manuals and user guides at all-guides.com
Purpose:
To center the picture on the screen.
Symptom:
Picture is off center.
1. Press "MENU-2-4-5-7", activates the Service Mode..
2. Select the "FORMAT" function (AUDIO button).
3. Press "REWIND", activates the Overscan Test Pattern
4. Select "Item 1" HPOS (VIDEO button).
5. Use the ADJUST buttons to center the picture horizontally.
6. Press ENTER to save the new setting.
7. Select "Item 2" VPOS (VIDEO button).
8. Use the ADJUST buttons to center the picture vertically.
9. Press ENTER to save the new setting.
10. Press MENU to exit the Service Mode.
Page 51
Figure 5: Adjustments
Figure 6: Wedge Insertion
RUBBER
WEDGE
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