Lg Electronics LCD 782LS Manuale Utente

ADJUSTMENT

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All adjustment are thoroughly checked and corrected
when the monitor leaves the factory, but sometimes
several minor adjustment may be required.
Adjustment should be following procedure and after
warming up for a minimum of 10 minutes.

• Alignment appliances and tools.

- IBM compatible PC
- Programmable Signal Generator.

(eg. VG-819 made by Astrodesign Co.)

- E(E)PROM with each mode data saved.

1. Adjustment Start

1) Display any pattern at any Mode.
2) Run alignment program for LB782G on the IBM

compatible PC.

3) Select EEPROM

→

ALL INIT command and Enter.

4) This will make all data to default state.
5) Select COMMAND

→

PRESET START command

and Enter.

2. Adjustment for White Balance

1) Display Black pattern at SXGA/60Hz.
2) Set External Bright to MAX position and Contrast to

80 Position.

3) Select PRESET START

→

BIAS CAL command

and Enter.

4) No attempt to manually adjust, BIAS data is auto-

matically adjusted and saved to the EEPROM.

5) Display Full White pattern at SXGA/60Hz.
6) Select DRIVE CAL command and Enter.
7) 9300K are automatically adjusted and

saved to the EEPROM.

8) Select PRESET EXIT command and Enter.

3. Adjustment for EDID

1) Use this procedure only when there is some

probelm on EDID data.

2) Connect the D-sub cable.
3) Select EEPROM

→

EDID(A) WR command and

Enter.

Figure 1. Cable Connection

AUDIO
DC OUT

220

IBM
Compatible PC

Video Signal
Generator

PARALLEL PORT

Power inlet (required)

Power LED

ST Switch

Power Select Switch
(110V/220V)

Control Line

Not used

RS232C

PARALLEL

V-SYNC

POWER

VGS

MONITOR

V-Sync On/Off Switch
(Switch must be ON.)

4.7K

74LS06

OFF