LG RT-44/48/52SZ50LP, Service Manual

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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 Equipments & 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 moniter, 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.
6) At this time, the download starts. The download finished
after 10 seconds.
6. Component Offset Adjustment
(1) Required Test Equipments :
A remote control for adjustment, 801GF or 802F
(2) Preparation for Adjustment
1) Connect a power source with TV Set and turn TV set on.
2) Do Heat-Run for 5 minutes and over before adjustment.
3) Receive the Component 1 or 2.
4) Receive the 720P/60Hz, HozTVBar Pattern of 801GF
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<Fig 4. Program Options>
<Fig 3.How to connect the MEMORY JIG and PC>
Optical measuring equipment
TV
Set
Connector for
Adjustment
RS-232C
Cable
PC
PC Pattern
Generator
Adjustment
Jig
<Fig 2.TV set status Adjustment>
<Fig 7 720P HozTVBar Pattern>