Table of Contents
Advertisement
1. Application Object
This instruction is for the application to the DLP Projector
(Chassis: FM73A).
2. Notes
(1) The power source insulation of this DLP Projector is not
charging type and you may not use the transformer for
insulation. It is advised to use an insulation transform
between the power supply cable and power input of the set
to protect the test equipment.
(2) The adjustment must be performed under the correct
sequence.
(3) The adjustment must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity.
(4) The set must be on for 5 minutes prior to any adjustment.
3. Composition of Adjustment Mode
(1) Select 'Video mode' as input source.
(2) Pressing the adjust key on the service remote will open or
close the service menu.
(3) Press the ADJ key to exit the service menu.
(4) Preparation for Adjustment
1) Power is connected in set to be power on.
2) Do heat run 5minutes.
4. Folding Mirror Adjustment
Left and right
adjustment screw B
<Fig. 1> Illuminator Adjustment Part by Folding Mirror
4-1. Illuminator Adjustment Sequence
After putting optical engine on JIG, check the mirror part.
Check the full white screen and make adjustments in the
following sequence.
(1) Up and Down Adjustment
1) Turn screw (A) up / down adjustment to the right and
mark where the image is aligned.
2) Turn screw (A) up / down adjustment to the left and
mark where the image is aligned.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
All manuals and user guides at all-guides.com
ADJUSTMENT INSTRUCTION
Top and bottom
adjustment screw A
Left and right
adjustment screw C
- 8 -
3) Turn screw (A) up / down adjustment to the right / left
and mark where the image is aligned. Fix the
adjustment screw in position.
Step 1
Step 2
<Fig. 2> Illuminator Up / Down Adjustment Sequence
(2) Left and Right Adjustment 1
1) Turn screw (B)Left / Right adjustment to the right and
mark where the image is aligned.
2) Turn screw (B) Left / Right adjustment to the left and
mark where the image is aligned.
3) Turn screw (B)Left / Right adjustment to the right / left
and mark where the image is aligned. Fix the
adjustment screw in position.
Step 1
Step 2
<Fig. 3> Illuminator Left/Right Adjustment Sequence 1
(3) Left and Right Adjustment 2
1) Turn screw (C)up / down adjustment to the right and
mark where the image is aligned.
2) Turn screw (C) up / down adjustment to the left and
mark where the image is aligned.
3) Turn screw (C)up / down adjustment to the right / left
and mark where the image is aligned. Fix the
adjustment screw in position.
Step 1
Step 2
<Fig. 4> Illuminator Left/Right Adjustment Sequence 2
(4) Final Adjustment
Fix the adjustment screw in position. (1), (2), (3)
adjustment twice and find the optimum position. Check the
image with the naked eye for optimum alignment.
Step 3
Step 3
Step 3
LGE Internal Use Only
Advertisement
Table of Contents
