Adjustment Instruction - LG 15LS1RA Service Manual

1. Application Range
This document is applied to 15", 20" LCD TV.(chassis : LN71A)
2. Designation
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 controller
* Download
1) Execute ISP program "Mstar ISP Utility" and then click
"Config" tab.
2) Set as below, and check the following tabs.
* Port type - Choose the your port type, Normally "LPT1",
or "LPT2"
* Speed - Choose the speed from 70 to 99
* JIG - Choose the your JIG type, Normally "Mstar" or
"LGE", and then click the Apply.
3) Click "Connect" tab. If flash memory is detected normally,
Flash memory type will be displayed.
Example:'MX25L4005'(MX) or 'Winb25X40'(Winbond),,,etc

ADJUSTMENT INSTRUCTION

4) Click "Read" tab, and then load download file(XXXX.bin) by
clicking "Read".
5) Click "Auto" tab and set as below, and then click "Run".
(4)
filexxx.bin
6) After downloading, check "OK" message.
3. Main PCB check process
* APC - After Manual - Insert, executing APC
3.1. ADC Process
(1) PC input ADC
1) Auto RG Gain/ Offset Adjustment
(a) Convert to PC in Input-source.
(b) Signal equipment displays.
- Output Voltage : 730 mVp-p
- Impress Resolution XGA (1024 x 768 @ 60Hz)
- Pattern : gray pattern that left & right is black and
center is white signal.(Refer below picture)
(Model : 60, Pattern : 28 at MSPG925L)
(c) Adjust by commanding AUTO_COLOR_ADJUST
(0xF1) 0x00 0x02 instruction.
- 9 -
(6) ........OK
(5)
(15inch only)