LG RZ-48SZ40RB, Service Manual, Page: 15 / 50

(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 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. H/V Position Adjustment
(1) Required Test Equipments
A remote control of adjustment
(2) Preparation for Adjustment
1) Turn TVset on and press EYE key on the remote control.
2) 11th screen - Select the pattern that has 11th white small
square/ diagonal, and the red big square.
(3)Adjustment Sequence
Adjust data with using the up/down/left/right key on the
remote control
7. Screen position adjustment
(1) Required Test Equipments
A remote control of adjustment
(2) Preparation for Adjustment
1) Connect the power source with TV Set and turn TVset on
2) Do Heat Run for 5 minutes and over before adjustment.
(3) Horizontal Position Adjustment
1) Press ADJ key on the remote control to enter the
adjustment mode
2) Select the RGB Alignment of the adjustment menu.
3) Select H-position with
G key.
4) Adjust data with using the left/right key on the remote
control in order to be left/right symmetry screen.
(4). Vertical Position Adjustment
1) Select V-position with channel key.
2) Change the data to symmetrized upper and down of screen
(refer to Fig6) and then press the Volume key on Remote
control to get out of adjustment mode.
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Optical measuring equipment
TV
Set
Connector for
Adjustment
RS-232C
Cable
PC
PC Pattern
Generator
Adjustment
Jig
<Fig 2.TV set status Adjustment>
<Fig 3.How to connect the MEMORY JIG and PC>
<Fig 6. Eye Pattern-Tilt/ keystone & H.V Position adjustment>
<Fig 4. Program Options>