LG FLATRON M3701C, Руководство по обслуживанию

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Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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 30 minutes.
• Alignment appliances and tools.
- IBM compatible PC
- Programmable Signal Generator.
(eg. VG-819 made by Astrodesign Co.)
- Oscilloscope.
- White Balance Meter. (CA-110)
1. DDC Data Write Procedure-Analog
1) Use this procedure only when there is some problem
on Analog EDID data.
2) Run alignment program for M3201C on the IBM
compatible PC.
3) Select EEPROM
→
Analog EDID write command
and Enter.
4) This will write the Analog EDID data to EEPROM.
2. DDC Data Write Procedure-Digital
1) Use this procedure only when there is some problem
on Digital EDID data.
2) Run alignment program for M3201C on the IBM
compatible PC.
3) Select EEPROM
→
Digital EDID write command and
Enter.
4) This will write the Digital EDID data to EEPROM.
RS-232C EXT.
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-S
YN
C
PO
W
ER
ST
VG
S
M
ON
IT
OR
E
V-Sync On/Off Switch
(Switch must be ON.)
F
A
B
C
5V
E
F
A
B
C
15
10
5
5
6 9
1
1
1
14
13
25
6
5V
5V
4.7K
4.7K
4.7K
74LS06
74LS06
OFF ON
OFF
ON
11
Figure 1. Cable Connection