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Adjustment Instruction - LG 19LC2D Service Manual

Chassis : la75e
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1. Application Range
This specification sheet is applied to 19"/ 22" LCD TV which is
manufactured in TV (or Monitor) Factory or is produced on the
basis of this data.
2. Specification
1) The adjustment is according to the order which is
designated and which must be followed, according to the
plan which can be changed only on agreeing.
2) Power Adjustment: Free Voltage
3) Magnetic Field Condition: Nil.
4) Input signal Unit: Product Specification Standard
5) Reserve after operation: Above 30 Minutes
6) Adjustment equipments: Color Analyzer(CA-210 or CA-
110), Pattern Generator (MSPG-925L or Equivalent), DDC
Adjustment Jig equipment, SVC remote control.
3. Main PCB check process
* APC - After Manual-Insult, executing APC
3.1. Download
1) Execute ISP program "Mstar ISP Utility" and then click
"Config" tab.
2) Set as below, and then click "Auto Detect" and check "OK"
message.
If display "Error", Check connect computer, jig, and set.
3) Click "Connect" tab.
If display "Can't ", Check connect computer, jig, and set.
(2)
OK
4) Click "Read" tab, and then load download file(XXXX.bin) by
clicking "Read".
5) Click "Auto" tab and set as below
6) click "Run".
7) After downloading, check "OK" message.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

ADJUSTMENT INSTRUCTION

(1)
(3)
Please check the speed :
To use speed between
from 200KHz to 400KHz
(5)
filexxx.bin
3.2. ADC Process
(1) PC input ADC
1) Auto RGB Gain/Offset Adjustment
- Convert to PC in Input-source
- Signal equipment displays
Output Voltage : 700 mVp-p
Impress Resolution XGA (1024x 768 @ 60Hz)
Model : 60 in Pattern Generator
Pattern : 29 in Pattern Generator (MSPG-925 Series)
[gray pattern that left & right is black and center is
white signal (Refer below picture)].
<Adjustment pattern (PC)>
- Adjust by commanding AUTO_COLOR _ADJUST
(0xF1) 0x00 0x02 instruction.
2) Confirmation
- We confirm whether "0xB6(RGB)" address of
EEPROM "0xA2" is "0xAA" or not.
- If "0xB6(RGB)" address of EEPROM "0xB4" isn't
"0xAA", we adjust once more.
- We can confirm the ADC values from "0xB0 ~
0xB5(RGB)" addresses in a page "0xA2"
* Manual ADC process using Service Remote control.
After enter Service Mode by pushing "INSTART" key,
execute "Auto-RGB" by pushing "
RGB".
(2) COMPONENT input ADC
1) Component Gain/Offset Adjustment
- Convert to Component in Input-source
- Signal equipment displays
Impress Resolution 480i
MODEL : 209 in Pattern Generator (480i Mode)
PATTERN : 08 in Pattern Generator(MSPG-925 Series)
Impress Resolution 1080i
MODEL : 223 in Pattern Generator (1080i Mode)
PATTERN : 08 in Pattern Generator(MSPG-925 Series)
- 8 -
(7) .......OK
(6)
G
" key at "Auto-
LGE Internal Use Only

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