Toshiba P503DL User Manual

Page 24

ADJUSTMENT

(1)

Locate the screw at the lens barrel to adjust focus

(2)

Rotate thumb screw to counter clockwise, then move the screw head to and fro to rotate so that
lens focus can be adjusted.

(3)

Tighten the same screw to clockwise to fix the adjustment.

(4)

Engine mount adjustment preparation

(5)

Before doing Engine Mount mechanical adjustment, it is better to adjust an electronic position
adjustment at the center.
Use remote control or Cube adjustment software and enter Adjust mode, then perform H-V position
adjustment, then place at the center of the range so that electronically, it is at the center.

2. ENGINE MOUNT ADJUSTMENT

1) Use internal test signal, TEST.P #07, thus full frame cross-hatch image appears on the screen

2) Left to Right Trapezoid adjustments can be performed by rotating (H) screw.

By doing this Adjustment, horizontal position will move but disregard its movement of position.
Obtain parallel image at top and bottom, then re-adjust position after this trapezoid adjustment.
When top/bottom parallel adjustment is done, tighten (J) screw.

Image movement is shown when observed from behind of the set.

3) Top to Bottom Trapezoid can be compensated by the small mirror at (G1) (G2) screws.

The picture is on the next page.
There are total of 8 screws which are not so much touching to the mirror and these screws
Will add mirror bend thus the image distortion can be compensated but this top/bottom is
Basically done by these G1 and G2 screws. Adjust the image by rotating the screw so that left
and right becomes parallel.
By doing this adjustment, vertical position will change but do not worry about position
displacement. Obtaining parallel at right/left is important, then adjust position.

ADJUSTMENT

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(H)

(I)

(G1)

(G2)