LG Flatron L1510B, Service Manual

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ADJUSTMENT
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.
- Alignment Adapter and Software.
1. Adjustment for Factory Preset Mode
1) Run alignment program for L1510BL on the IBM
compatible PC.
2) Select EEPROM All Init. command and Enter.
3) Display cross hatch pattern at Mode 1.
4) Select EDID WRITE command and Enter.
2. Adjustment for White Balance
1) Display color 0,0 pattern at Mode 13.
2) Set External Bright to MAX position and Contrast to
MAX 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 color 15,0 pattern at Mode 13.
6) Select DRIVE CAL command and Enter.
7) Color 1 (9300K) and Color 2 (6500K) are
automatically adjusted and saved to the EEPROM.
8) Select PRESET EXIT command and Enter.
Figure 1. Cable Connection
220
IBM
Compatible PC
PARALLEL PORT
Power inlet (required)
Power LED
ST Switch
Power Select Switch
(110V/220V)
Control Line
Not used
RS232C
PARALLEL
V-SYNC
POWER
ST
VGS
MONITOR
E
E
V-Sync On/Off Switch
(Switch must be ON.) F
F
A
A
B
B
C
C
15
10
5
5
6 9
1
1
1
14
13
25
6
5V
5V
5V
4.7K
4.7K
4.7K
74LS06
74LS06
OFF ON
OFF
ON
11
Video Signal
Generator