LG RU-17LZ22, Service Manual, Page: 7 / 24

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1. Application Object
This instruction is for the application to the LCD TV.
2. Notes
(1) This set uses an adapter, so connect the adapter and the
set correctly before adjustment.
(2) Adjustments must be performed in the correct sequence.
(3) Adjustments must be performed in an enviorment of
25
!
5 c C (68-85 degrees F) of temperature and 65
!
10% of
relative humidity.
(4) The input voltage of the receiver must keep 100~240V,
50/60Hz in adjusting.
(5) The set must be operated for 15 minutes prior to adjustment.
[
‘Heat Run’ must be performed with the full white signal or TV
noise signal.
3. PC Input Mode Adjustment
3-1. Required Test Equipment
(1) A pattern generator; Gray pattern of 16 tones with angle
outline in the quadrilateral (MSPG-925LTH)
(2) An adjustment Remote.
3-2. Preparation for Adjustment
(1) Perform ‘Heat Run’ for more than 15 minutes in white
pattern.
(2) Connect the signal of pattern generator with LCD TV.
3-3. Auto Gray Adjustment
(1) Apply the gray signal XGA(1024X768) 16 tones from a
signal generatror.
(2) In Service menu mode, adjust the Auto gray from 0 to 1 by
using Vol(+) button.
ADJUSTMENT INSTRUCTIONS
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