Adjustment Instruction - LG 62SX4D-UB Service Manual

1. Application Object
These instructions apply to the DLP Projection TV (Chassis:
NB-05EB).
2. Notes
(1) Because this is not a hot chassis,it is not necessary to use
an isolation transformer. However, the use of an insolation
transformer will help protect test equipment.
(2) The adjustments must be performed in the correct
sequence.
(3) The adjustments must be performed in the condition of
25±5°C of temperature and 65±10% of relative humidity if
there is no other specific designation.
(4) The input voltage of the receiver must remain AC 110V,
60Hz.
(5) Unless stated otherwise, the set must be operated for at
least 5 minutes prior to adjustments.
The heat-run should be performed with a 100% white
pattern,but reception of a moving picture may also be
possible in unavoidable cases.
3. Composition of Adjustment Mode
(1) Adjustment modes are entered by pressing the ADJ key
on the Service Remote Control, after adjustments press
the ADJ key to exit.
(2) Initial Adjustment mode Menu is shown below. <Fig. 1>
<Fig. 1> Adjustment Mode OSD
ADJUSTMENT INSTRUCTIONS
(3) As shown <Fig. 1>, using the CH+ (
select an item, press the ENTER or VOLUME+ (
enter the appropriate item and begin adjustment.
(4) Change the value of adjustment by using the volume +(
volume -( F ) keys. To change adjustment item, use the
D
CH+ ( ), CH- (
(5) Press the ADJ key to exit, after adjustments.
(6) Preparation for Adjustment
1) Connect the power to TV Set and set "Power on".
2) Allow set to Heat-Run for at least 5 minitues before
adjusting.
4. Adjusting the Optical Engine
A
<Fig. 2> HD3 Optical Engine
(1) After placing the optical engine on the JIG, adjust
illuminator by adjuting with automatic adjustment the B as
shown <Fig. 2>.
1) When adjust illuminator, search the scope does not fall
in illuminator and Tilt adjustment complete with
automation equipment in that scope.
2) After adjusting, A fix with Screw using automation
equipment.
(2) In order to move Optical system the Tilt is adjusted to
center of the screen, adjust using automation equipment
the A(Projection Lens) as shown <Fig. 3> and adjust
Position. (Refer to Automatic Adjustment Sequence)
A
<Fig. 3> HD3 Optical Engine Projection Lens
- 10 -
D
), CH- (
E
) keys in EZ ADJ Mode.
B
E
) keys to
G
) keys to
G
),