Adjustment Instruction - LG AN110B Service Manual

1. Application Object
This instruction is for the application to the DLP Projector
(Chassis : RE-058A).
2. Notes
(1) The power source insulation of this DLP Projector is not
charging type and you may not use the transformer for
isolation. It is advised to use an isolation transformer
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 under conditions of
25±5°C of temperature and 65°æ10% of relative humidity.
(4) The input voltage of the projector must remain at 110V~,
60Hz during adjustment.
(5) The set must be on for 5 minutes prior to any adjustment.
After receiving possible 100% white pattern, it is ready for
adjustment.
3. Components of adjustment mode
1) Pressing the adjust key on the service remote control will
open or close the service menu.
2) Components of adjustment mode : In pressing early Adjust
showing screen set
<Fig.1> OSD of Adjustment Mode
3) As shown <Fig.1>, use the CH+ (
item, press the ENTER or VOLUME key to enter the item
you wish to adjust.
4) Press the ADJ key to exit the service menu.
5) Preparation for Adjustment
a. Power is connected in set to be power on.
b. Execute heat run over 5minutes.
4. Folding Mirror Adjustment
4-1. Illuminator Adjustment Sequence
After placing the optical engine on the JIG, check the
mirrors have correct vertical alignment.
Check with full white screen and make adjustments in the
following sequence.
1

ADJUSTMENT INSTRUCTION

D E
),CH- ( ) key to select
- 13 -
Left and right
adjustment screw B
<Fig.2> Illuminator Adjustment Part by Folding Mirror
(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.
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
<Fig.3> 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
<Fig.4> 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.
Top and bottom
adjustment screw A
Left and right
adjustment screw C
Step 2 Step 3
Step 2 Step 3