This used for LG LCD TV 20LC1RB-MG
You need a computer to adjust this Television.
ADJUSTMENT INSTRUCTION
1. Application
This document is applied to 15", 20" LCD TV which is manufactured in Monitor Factory or is produced on the basis of this data.
2. Designation
2.1 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.
2.2. Power Adjustment: Free Voltage
2.3. Magnetic Field Condition: Nil.
2.4. Input signal Unit: Product Specification Standard
2.5. Reserve after operation: Above 30 Minutes
2.6. Adjustment equipments: Pattern Generator (MSPG-925 or Equivalent), DDC Adjustment Jig equipment, SVC remote controller
3. Adjustment
3.1 APC
After Manual-Insult, executing APC
3.2 ISP UOC file
3.2.1 Required Equipment
- JIG for ISP
- PC that is installed with "WISP" program.
- Control + Power LED PCB Ass'y
3.2.2 ISP Sequence
1) Connect main board with JIG for ISP
2) Execute "WISP" Program.
3) Compare UOC version in BOM with version of hex file.
4) Push "Brouse..." button and select hex file.
5) Push " Auto Execute" button.
6) Occur an Error, push "Erase" button and try again and again. 2)~5)
7) After finishing ISP, Must AC off / ON
8) Wait LED is not blink anymore
LG LCD 15LC1RB-MG TV Service menu
Photo credit : blog.cyborg5.com-om
3.3 ADC Process
"IIC_ SW" must set "0"(After ISP, automatically set "0")
3.3.1 AV(CVBS) Mode Adjustment
3.3.1.1 Auto Gain/Offset Adjustment
Select AV(Video) in Input menu Signal equipment : MSPG925
Output Jack : CVBS Output Voltage : 700 mVp-p (patt # 29 in MSPG925)
Resolution : NTSC J - 720 x 480 @59,94Hz (Model #207 in MSPG925)
Adjust by commanding AUTO_COLOR_ADJUST (0xF1) 0x00 0x00 instruction.
3.3.1.2 Confirmation of adjustment process
We confirm whether "0x01" address of EEPROM "0xA0" is "0xAA" or not.
If "0x01" address of EEPROM "0xA0" isn't "0xAA", we adjust once more in adjustment line by adjust method of 3.2.1.2.
We can confirm the ADC values from "0x0C~0x11" addresses in a page "0xA0"
3.3.2 Component Mode Adjustment
3.3.2.1 Auto Gain/Offset Adjustment
Select Component in Input menu
Signal equipment : MSPG925
Output Jack : D4(Japan) or Componen(Except Japan)
Output Voltage : 700 mVp-p (patt # 8 in MSPG925)
Resolution 483/60P - 720 x 483p @59.94Hz (Model #212 in MSPG925)
Adjust by commanding AUTO_COLOR_ADJUST (0xF1) 0x00 0x00 instruction.
3.3.2.2 Confirmation of adjustment process
We confirm whether "0x01" address of EEPROM "0xA0" is "0xAA" or not.
If "0x01" address of EEPROM "0xA0" isn't "0xAA", we adjust once more in adjustment line by adjust method of 3.2.1.2.
We can confirm the ADC values from "0x??~0x??"
addresses in a page "0xA0"
*Caution*
If DDC CMD don't work, please check below.
1. Enter SVC menu by SVC Remote controller
2. Enter "ETC" menu
Check please, IIC_SW is "0" or "1".
- IIC_SW "0" : DDC Communications.(DDC2AB)
- IIC_SW "1" : EDID Write/Read (DDC2B) and Factory
default.
3.4 Function Check
3.4.1 Check display and sound
"IIC_ SW" must set "1" Check Input and Signal items. (cf. work instructions)
1. TV
2. AV (CVBS/ S-Video)
3 Component
4. H/P Out
3.4.2 DCXO setting: After finished all function check, "IIC_ SW" must set "0" by pushing "TILT" key in SVC remocon
Universal Remote - Service Mode - TV Factory menu codes
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LG LCD 15LC1RB-MG TV Service menu (All TV Service Menu Code)
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LG LCD 15LC1RB-MG TV Service menu mode, LG 20LC1RB-MG factory mode Written on May 20, 2015