LG Electronics LCD 782LS Adjustment for White Balance, Adjustment Start, Adjustment for Edid

Page 11

ADJUSTMENT

All adjustment are thoroughly checked and corrected 2.

Adjustment for White Balance

when the monitor leaves the factory, but sometimes

 

1)

Display Black pattern at SXGA/60Hz.

several minor adjustment may be required.

 

2)

Set External Bright to MAX position and Contrast to

Adjustment should be following procedure and after

 

 

80 Position.

warming up for a minimum of 10 minutes.

 

3)

Select PRESET START BIAS CAL command

• Alignment appliances and tools.

 

 

and Enter.

 

4)

No attempt to manually adjust, BIAS data is auto-

- IBM compatible PC

 

 

 

matically adjusted and saved to the EEPROM.

- Programmable Signal Generator.

 

 

 

5)

Display Full White pattern at SXGA/60Hz.

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

 

 

6)

Select DRIVE CAL command and Enter.

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

 

 

7)

9300K are automatically adjusted and

 

 

1. Adjustment Start

 

 

saved to the EEPROM.

 

8)

Select PRESET EXIT command and Enter.

1) Display any pattern at any Mode.

 

 

 

 

2) Run alignment program for LB782G on the IBM

3.

Adjustment for EDID

compatible PC.

 

1)

Use this procedure only when there is some

3) Select EEPROM ALL INIT command and Enter.

 

 

 

probelm on EDID data.

4) This will make all data to default state.

 

 

 

2)

Connect the D-sub cable.

5) Select COMMAND PRESET START command

 

 

3) Select EEPROM EDID(A) WR command and

and Enter.

 

 

 

Enter.

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

9

6

 

 

 

 

 

 

 

 

 

 

IBM

15

5

1

 

 

Video Signal

 

 

 

 

 

 

 

Compatible PC

11

 

 

 

 

 

 

 

 

 

 

10

6

 

 

 

Generator

 

 

 

 

 

 

 

 

5

1

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

used

 

 

 

PARALLEL PORT

 

 

13

 

1

 

 

 

Not

 

 

 

 

 

 

25

 

14

 

 

 

RS232C

 

 

OFF

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5V

 

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

Line

 

 

PARALLEL

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5V

 

 

 

 

 

 

 

Power inlet (required)

 

 

 

 

4.7K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

220

 

ON

 

5V

4.7K

 

 

 

 

 

 

 

POWER

Power Select Switch

 

 

E

 

 

 

 

 

VGS

 

 

 

 

 

 

 

 

 

 

(110V/220V)

 

OFF

 

74LS06

 

 

A

 

 

MONITOR

 

ST

Power LED

 

 

 

4.7K

 

 

 

 

V - SYNC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

74LS06

 

 

 

 

 

 

B

 

 

E ST Switch

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

V-Sync On/Off Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

(Switch must be ON.)

 

 

 

 

 

Figure 1. Cable Connection

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Image 11
Contents Chassis NO. CL-29 Factory Model LB782G Color MonitorSpecifications ContentsBe Careful Electric Shock PrecautionVideo Sync Timing ChartAuto Button Operating InstructionsFront View Rear View Menu ButtonWiring Diagram Back Cover Removal DisassemblyGM5020 Block DiagramDescription of Block Diagram Block Diagram Power Board Adjustment for Edid AdjustmentAdjustment for White Balance Adjustment StartNo Power Troubleshooting GuideNo Raster Pulse ? No Clock Clock Generator Trouble in DPM Main Board Component Side Printed Circuit BoardPower Board Component Side Power Board Solder Side Exploded View Description Exploded View Parts ListAlternative Parts Replacement Parts ListTransistor Power Board Control Board Pin Name Function PIN ConfigurationSchematic Diagram Lvds Micom DC/DC Connector Control Power Jun