Preparation For Adjustment - LG 32LC4R Service Manual

b. Serial No : Controlled on production line
c. Month, Year : Controlled on production line
ex) Monthly: '03' => '03'
Year: '2005' => '0F'
d. Model Name(Hex)
e. Checksum (7EH) : Changeable by total EDID data
5.1. Required Test Equipment
(1) Adjusting PC with S/W for writing EDID data.(S/W : EDID
TESTER ver.2.5)
(2) A Jig for EDID Download.
(3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub
15Pin cable, DVI to HDMI cable.
<Fig.5 Connector Diagram of DDC download>

5.2. Preparation for Adjustment

(1) As above Fig 5, Connect the Set, EDID Download Jig,
PC&Cable.
(2) Turn on the PC & EDID Download Jig. And execute the
S/W : EDID TESTER Ver.2.5.
(3) Set up the S/W option.
Repeat Number : 5
Device Address : A0
PageByte : 8
(4) Power on the Set.
5.3. Sequence of Adjustment
(1) DDC data of Analog-RGB
1) Init the data
2) Load the EDID data. (Open file)
[Analog - RGB : LP78B_RGB.ANA]
[Digital - HDMI1 : LP78B_HDMI1.DVI]
[Digital - HDMI2 : LP78B_HDMI2.DVI]
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TV set
RGB
o r
HDMI1
HDMI2
Main b / d
6. Adjustment of White Balance
6.1 Purpose and Principle
6.2. Adjustment mode
6.3. Required Equipment
- 15 -
3)Set the S/W as below
4) Push the "Write Data & Verify"button. And confirm "Yes".
5) If the writing is finished, you will see the "OK" message.
<EDID DATA>
(1) Purpose: Adjust the color temperature to reduce the
deviation of the module color temperature.
(2) Principle: To adjust the white balance without the
saturation,Fix the one of R/G/B gain to 80 and decrease
the others.
: Two modes of Cool and Warm
(Medium data is automatically calibrated by the cool data)
(1) Remote control for adjustment
(2) Color Analyzer (CA-110 or CA-210 or same product) - ch9
(3) Auto W/B adjustment instrument(only for Auto adjustment)
LGE Internal Use Only