LG Flatron M228WA Service Manual
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LG Flatron M228WA, - 7 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Application range This specification is applied to 22" Wide Monitor used LP79A chassis. 2. Requirement for Test Each part is tested as below without special appointment. (1) Power Voltage : Standard input voltage (100~240V@50/60Hz) *Standard Voltage of each products is marked by models. (2) Specification and performance of each parts are followed each drawing and specification by p
LG Flatron M228WA, - 27 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only EMI COMPONENTS LINE 100 ~ 240V INPUT RECTIFIER AND FILTER ENERGY TRANSFER OUTPUT RECTIFIER AND FILTER 15V 5V GND SIGNAL COLLENT- ION PHOTO -COUPLER ISOLATION HVDC 100KHz PRIMARY SECONDARY 50 ~ 60Hz PWM CONTROL CIRCUIT LIPS Board Block Diagram Operation description_LIPS 1. EMI components. This part contains of EMI components to comply with global marketing EMI standards like FCC,VCCI CISPR, the circuit included a line-filter, across line capacitor and of course the primary p
LG Flatron M228WA, - 34 - LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R162 0RJ1000D677 "Resistor,ChipMCR03EZPJ101 100OHM" R163 0RJ1000D677 "Resistor,ChipMCR03EZPJ101 100OHM" R173 0RJ2202D677 "Resistor,ChipMCR03EZPJ223 22KOHM" R174 0RJ2202D677 "Resistor,ChipMCR03EZPJ223 22KOHM" R183 0RJ1001D677 "Resistor,ChipMCR03EZPJ102 1KOHM" R184 0RJ1001D677 "Resistor,ChipMCR03EZPJ102 1KOHM" R185 0RJ1000D677 "Resistor,ChipMCR03EZPJ101 100OHM" R186 0RJ1000D677 "Resistor,ChipMCR03EZPJ101 100OHM" R187 0RJ1000D677 "Resistor,ChipMCR03EZPJ101 100OHM" R190 0RJ1000D677 "Resistor,ChipMCR03EZ
LG Flatron M228WA, - 8 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only No. Item Min Typ. Max Unit Remark 1. Type TFT Color LCD Module 2. Active Display area 473.76 (H) x 296.1 (V) mm 3. Outline dimension 493.7 (H) x 320.1 (V) x16.5 (D) mm Typ 4. Pixel pitch 0.282mm (H) x 0.282mm (V) x RGB mm 5. Color arrangement RGB vertical stripe 6. Color Depth 16.7M color 7. Electrical Interface LVDS 8. Surface Treatment Hard coating(3H) & Anti-glare(Haze 25) 9. Operating Mode Normally White 10. Back light Unit 4 CCFL (4 lamps) 11. R/T R.T : 1.3ms + R.T : 3.7ms Typ. 4-2. Module Specification(LPL LM220WE1-TLA1, P/N :
LG Flatron M228WA, - 3 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only WARNING FOR THE SAFETY-RELATED COMPONENT. • There are some special components used in LCD monitor that are important for safety. These parts are marked on the schematic diagram and the replacement parts list. It is essential that these critical parts should be replaced with the manufacturer’s specified parts to prevent electric shock, fire or other hazard. • Do not modify original design without o
- 13 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ADJUSTMENT INSTRUCTION 1. Application This document is applied to 22" LCD Monitor which is manufactured in Monitor Factory or is produced on the basis of this data. 2. Designation 1) The adjustment is according to the order which is designated and which must be f
LG Flatron M228WA, - 19 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only TROUBLESHOOTING GUIDE 1. NO POWER (LED INDICATOR OFF) : [A] Process Check 15V or ST_5V of Power B/D. Fail Check 15V or ST_5V of Power B/D. Check Output of IC1100(3.3V), IC1101(1.8V) Check short of IC100, Q307. Pass Pass Pass Pass Re-soldering of Change defect part of IC100, Q307. Change IC1100, IC1101. Change IC1102 Check Output of IC1102(10.5V) Check short of IC500. Re-soldering of Change defect part of IC500, Change IC1104, IC1105. Change LED Assy. Check Output of IC1104(2.5V) IC
LG Flatron M228WA, - 17 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Windows EDID V1.0 User Manual Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don’t need setup Windows 2000, XP => Need to Port Setup. This program is available to LCD Monitor only. 1. Port Setup a) Copy “UserPort.sys” file to “c:\WINNT\system32\drivers” folder b) Run Userport.exe c) Remove all default number d) Add 300-3FF e) Click Start button. f) Click Exit button. 2. EDID Read & Write 1) Run WinEDID.exe 2) Edit Week
LG Flatron M228WA, - 22 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 4. No Raster on Component Signal Repeat [A, B] process. Check the input/ output of R901. Fail Check the J900. Fail Pass Re-soldering or change the defect part, Check the X100. Check the input/output of R125. Check the input/output of IC100. Check input source cable and jack. Re-soldering or Change the defect part. Pass Pass Fail X100
LG Flatron M228WA, - 32 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C708 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C709 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C710 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C711 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C712 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C713 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C714 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C715 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C716 0CK104CK56A "Capacitor,Ceramic,Chip0603B104K5" C717
LG Flatron M228WA, - 18 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only SERVICE OSD Figure 1. Cable Connection 2 2 0 IBM Compatible PC PARALLEL PORT Power inlet (required) Power LED ST Switch Power Select Switch (110V/220V) Control Line Not used RS232C PARALLEL V-SYNC POW ER ST VGS MONITOR E E V-Sync On/Off Switch (Switch must be ON.) F F A A B B C C 15 10 5 5 69 1 1 1 14 13 25 6 5V 5V 5V 4.7K 4.7K 4.7K 74LS06 74LS06 OFF ON OFF ON 11 Video Signal Generator Tool Option 7682 Area Option Braz 2HR-OFF 1 FACTORY-MODE 0 1 CHANNEL-MUTE RAM Delay Power Off History ETC BLUEBIRD3 - LP79A Version
COLOR MONITOR SERVICE MANUAL Website:http://biz.LGservice.com CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS NO. : LP79A MODEL: M228WA (M228WA-BMH.A**MLP) *( ) **Same model for Service Internal Use Only
LG Flatron M228WA, - 33 - LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L1117 6200J00005E "Filter,BeadHH-1M2012-601JT 600OH" L505 6210TCE001G "Filter,BeadHH-1M3216-501JT 500OH" L506 6210TCE001G "Filter,BeadHH-1M3216-501JT 500OH" L507 6210TCE001G "Filter,BeadHH-1M3216-501JT 500OH" L508 6210TCE001G "Filter,BeadHH-1M3216-501JT 500OH" L509 6210TCE001G "Filter,BeadHH-1M3216-501JT 500OH" L510 6210TCE001G "Filter,BeadHH-1M3216-501JT 500OH" L511 6210TCE001G "Filter,BeadHH-1M3216-501JT 500OH" L512 6210TCE001G "Filter,BeadHH-1M3216-501JT 500OH" L900 6210TCE001A &quo
- 14 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only <Adjustment pattern (COMPONENT)> - Adjust by commanding AUTO_COLOR_ADJUST (0xF1) 0x00 0x02 instruction. 2) Confirmation - We confirm whether “0x8D,0x8E” address of EEPROM “0xB4” is “0xAA” or not. - If “0x8D,0x8E” address of
LG Flatron M228WA, - 31 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C151 0CK473CK56A "Capacitor,Ceramic,ChipC1608X7R1H" C152 0CK473CK56A "Capacitor,Ceramic,ChipC1608X7R1H" C153 0CK473CK56A "Capacitor,Ceramic,ChipC1608X7R1H" C155 0CK473CK56A "Capacitor,Ceramic,ChipC1608X7R1H" C158 0CK104CK56A "Capacitor,Ceramic,Chip0603B104K5" C159 0CE106WFKDC "Capacitor,AL
LG Flatron M228WA, - 9 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 4-4. Model Specification No Item Specification Remark 1. Market BRAZIL 2. CVBS Input (1EA) PAL N/M, NTSC M 3 System(Rear) : PAL 50/60, NTSC 3. S-Video Input(1EA) PAL N/M, NTSC M 3 System(Rear) : PAL 50/60, NTSC 4. Component Input (1EA) Y/ Pb/Pr 480i/480p/576i/576p/720p/1080i 5. RGB Input (1EA) RGB-PC Max 1680 * 1050@60Hz RGB-DTV 480p, 576p, 720p, 1080i 6. DVI Input (1EA) DVI-PC Max 1680 * 1050@60Hz DVI-DTV 480p, 576p, 720p, 1080i 7. Audio Input (3 EA) CVBS, PC Audio, Component L/R Input 5. Component Video Inpu
LG Flatron M228WA, - 25 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only DVI-D CVBS SP (R) SP (L) Audio Amp (YDA138) LCD Module DDR (HY57V161610FTP) EEPROM System(64k) Y/C Data (FSD 0 ..31) (FSA 0 ..11) Y/Pb/Pr 4Mb Serial Flash Memory (MX25L4005A) Data (OCMD 0 ..7) (OCMA 0 ..19) Analog Signal (R/G/B/H/V) TMDS Signal COMP PC Audio COMP Audio CVBS Audio EEPROM D-SUB L R LVDS Signal L/R Scaler+Video Decorder (LGE9789AD-LF) L/R L/R INPUT MENU ENTER VOL POWER
LG Flatron M228WA, - 24 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 7. No sound Check the input Sourse. Fail Pass Change the source input. Check input/Output ofIC100. Pass Re-soldering of Change the defect part, Check the X100 Check the input/ output of IC500 Re-soldering of Change the defect part. Check the Speaker Check the Speaker wire. Change Speaker. Pass Pass Fail Fail Fail X100
LG Flatron M228WA, - 2 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only CONTENTS CONTENTS .............................................................................................. 2 PRECAUTION ...........................................................................................3 SPECIFICATION ........................................................................................7 DISASSEMBLY ........................................................................................11 ADJUSTMENT INSTRUCTION ..........................
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