Adjustment Instruction - LG HW300Y Service Manual

1. Application Object
This instruction is for the application to the DLP Projector
(Chassis: FM12A).
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. But, it can be changed within the error
boundary of performance, considering the mass
productivity.
(3) The adjustment must be performed in the circumstance of
25 °C ± 5 °C of temperature and 65 % ± 10 % of relative
humidity.
(4) For the adjustment, the receptor's input voltage shall be
maintained at 220 V, 60 Hz.
(5) The set must be on for 5 minutes prior to any adjustment.
After receiving possible 100 % White Pattern, it is ready for
adjustment. If it is inevitable, it can be regardless of the
signal.
3. Composition of Adjustment Mode
(1) Select Default Mode for input source.
(2) The adjustment mode can be entered by pressing ADJ key
of the adjustment remote controller, and it also exits by
pressing EXIT key.
(3) Preparation for Adjustment
(4) Power is connected in set to be power on.
(5) Do heat run 5minutes.
4. Folding Mirror Adjustment
4-1. Illuminator Adjustment Sequence
(Fig. 4-1) Check location of the bottom side of the folding mirror
- After putting the optical engine on the jig, check whether the
mirror part is fixated vertically. At this time the screen size
should be based on 40". With the screen in full white
condition, look at the change in screen and brightness of the
illuminator to make appropriate adjustments.
- During the adjustment of the lights, adjust for the screws at
the three locations to be fully tight. After they were adjusted,
if they became loose and changed, tighten the screws at the
three locations and complete the adjustment of the lights
when they are tightened to the maximum.
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes

ADJUSTMENT INSTRUCTION

(1) Up and Down Adjustment
- Before the adjustment, first adjust the screws to be
adequately tightened.
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. 4-1-1) Illuminator Up / Down Adjustment Sequence
(2) Left and Right Adjustment 1
- Before the adjustment, first adjust the screws to be
adequately tightened.
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. 4-1-2) Illuminator Left/Right Adjustment Sequence 1
(3) Left and Right Adjustment 2
- Before the adjustment, first adjust the screws to be
adequately tightened.
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
(Fig. 4-1-3) Illuminator Left/Right Adjustment Sequence 2
- 5 -
Step 2 Step 3
Step 2 Step 3
Step 2 Step 3
LGE Internal Use Only