LG RE-44SZ21RD, Руководство по обслуживанию

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5
. Component AD9883 Offset Adjustment
(1) Required Test Equipments :
1) Remote control : 1EA
2) 801GF pattern generator: 1EA
(2) Preparation for Adjustment
1) Connect the power to TV Set and set the status of
“Power on”.
2) Heat-Run must operate over 5 minitues before
adjustment.
3) Enter the Component mode.
4) Receive the 720P,HozTVBar Pattern of 801GF.
(3) Offset Adjustment
1)Wait over 10 seconds after receive signal and then press
the “ADJ” button to enter the adjustment mode .
2)When press the “4.AD9883 Adjust” in adjustment item,
it’s adjusted automatically.
6
. Screen Tilt & Keystone Adjustment
(1) Required Test Equipments
1) Six angles wrench and spanner for knob adjustment or
fixation
2) Remote control : 1EA
(2) Preparation for Adjustment
1) Do not assemble the front pannel equipment so that you
can adjust the adjustment knob.
2) TV set display the adjustment pattern of “ ADJ ->
2.Position”.
(3) Adjustment Sequence
1) Adjust Tilt to be horizontal optical Engine plate and
rotate two adjustment knobs to adjust Key stone.
2) Stick the Engine plate with screws after the tilt and
keystone are been under the spec.
3) Select H-position with channel key in adjust mode.
4) Change the data with volume key on the remote control
for adjustment so that the left/right of pattern are
symmetrized
5) Select the V_position with volume key
6) Change the data with channel key on the remote control
for adjustment so that the upper and down of pattern
are symmetrized
7) After adjustment over, recieve PAL-B/G Digital and
chedk the adjusmen level.
8
. Focus Adjustment
1) Adjust the focus when the it is deviated while entering
the engine.(It doesn’t need to be adjusted basically.)
2) Loose the fixing screws of projection lens and turn the
lens to the left/right to make the optimum focus
condition.And then fix the lens.
9
. White Balance Adjustment
(1) Required Test Equipments : CA110
(2) White standard value : X=0.283 ¡ ¡
æ
0.01, Y=0.297 ¡ ¡
æ
0.01
(3) Adjustment Sequence
1) Install the CA110 at 20cm distance from the center of
screen.
2) Enter the ADJ mode of the remote control for
adjustment.
3) Enter the 3.White Balance again.
4) Fix the Gain value to B=100 and change the R/G value
and then adjust the white balance.
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A
B
Fig1) H/V Position Adjustment Screen
<720P HozTVBar Pattern>
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