LG RT-52SZ31RB, Руководство по обслуживанию

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(3)Preparation for Adjustment
1) Connect the PC PATTERN GENERATOR, circuit for
adjustment and adjustment JIG as shown <Fig 2>.
2) Adjust output pattern of PC PATTERN GENERATOR to
possible display and then turn on the power.
(4) Adjustment Sequence
1) Turn on the adjustment Jig
2) Select RGB_PC by pressing input Select Key on Remote
control.
3) Enter to adjustment mode by pressing Adjust key on
Remote control.
4) Select the ‘62352’, then ready to adjust 4. RVCOM, 7.
GVCOM, 10.BVCOM
5) Let’s decrease flicker by using Volume key
(Input a R, G, B input signal, then adjust it individually)
6) When finishing the adjustment, get out of adjustment mode
by pressing Adjust key.
5. CPLD Download Work
(1) Required Test Equipment & Preparation for Adjustment
1) Connect the PC and memory JIG as shown <fig3>.
2) Turn on JIG MAIN POWER SW.
3) After turn on the PC and monitor, operate the device
programming.
(2) Adjustment Sequence
1) After program running, displayed [OPTION MODE
SELECTION] window.
Check the “Load configuration File(.cdf, .pdr)” in this
window and click the finish button
2) When the screen displays the open window, select the
suitable file(*.cdf) according to model.
3) IC figure is change to green by clicking it.
4) Select the program of operations.
5) Check the [Erase before programming] and [Verify] menu
as shown <Fig4> and press the OK button.
f) At this time, the download starts. The download finished
after 10 seconds.
6.Assembling Adjustment
6-1. Screen Tilt & Keystone Adjustment
(1) Required Test Equipment
1) Six angles wrench and spanner for knob adjustment or
fixation
2) Remote control
(2) Preparation for Adjustment
1) Do not assemble the front panel equipment so that you can
adjust the adjustment knob of <Fig 5>
2) Turn on TV and press EYE key on remote control.
3) 11th screen - Select the pattern of small white squares,
diagonal and a big red square.
(3) Adjustment Sequence
1) Stick the Engine of <Fig 5> to the knob poll for adjustment
and check the key stone & tilt watching TV screen.
2) Rotate left/right adjustment knob bellow and adjust engine
angle.
3) Adjust the adjustment knob of both sides so that the tilt and
keystone are to be under the spec.(The gap between max
and min : under 4mm)
4) After adjusting like 3), fix the engine with the screw for
fixation.(2EA. adjustment knob and engine fixing screw)
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<Fig 4. Program Options>
<Fig 3. How to connect the MEMORY JIG and PC>
<Fig 5>
Optical measuring equipment
TV
Set
Connector for
Adjustment
RS-232C
Cable
PC
PC Pattern
Generator
Adjustment
Jig
<Fig 2. TV set status Adjustment>
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