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1. Application Range
This spec sheet is applied all of the 'LJ81A' Chassis.
2. Specification
(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
(4) The input voltage of the receiver must keep 100-220V~,
50/60Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment.
O
After RGB 100% Full White pattern(06CH) then process
Heat-run(or "8.Test patter" condition of EZ-Adjust
status).
O
Enter into HEAT-RUN MODE
1) Press the POWER ON KEY on R/C for adjustment.
2) Press ADJ button of Service remocon. Select
"10.Test pattern" and, after select "White" using
navigation button, and then you can see 100% Full
White pattern.
3) In this status you can maintain Heat-Run useless any
pattern generator.
* Notice!
If you maintain one picture over 20minute(Especially sharp
distinction black with white pattern-13Ch, or Cross hatch pattern-
09Ch) then it can appear image stick near black level.
3. Adjustment items
3-1. PCB Assembly adjustment
O
CPLD DOWNLOAD
O
Adjust 480i Comp1
O
Adjust 1080p Comp1 / RGB
- If it necessary, it can adjustment at Manufacture Line.
- You can see set adjustment status at "9.ADJUST
CHECK" of the "In-start menu".
3-2. Set Assembly Adjustment
O
EDID(The Extended Display Identification Data)
/ DDC(Display Data Channel) download
O
Color Temperature(White Balance) Adjustment
O
Make sure RS-232C control
O
Selection Factory output option
Copyright©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
ADJUSTMENT INSTRUCTION
4.PCB Assembly Adjustment
4-1. CPLD DOWNLOAD
- JTAG MODE
(1) <<PRINT PORT>> PIN MAP
Component
2
3
8
11
13
15
18 to 25
- 12 -
JTAG Mode Signal Name
TCK
TMS
TDI
TDO
-
VCC
GND
LGE Internal Use Only
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