LG M227WAP Page 29 Service Manual Download | Manualshive

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Copyright ⓒ 2010 LG Electronics. Inc. All right reserved.
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Summary of Contents for M227WAP

Page 1: ...SIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LP92C MODEL M227WAP M227WAP PMM North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only P NO MFL63261604 1002 REV00 Printed in Korea ...

Page 2: ...right LG Electronics Inc All right reserved Only for training and service purposes CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 13 TROUBLE SHOOTING 19 BLOCK DIAGRAM 23 EXPLODED VIEW 24 SVC SHEET 2 ...

Page 3: ...that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty please wipe it off with a soft material Cleaning with a dirty or rough cloth may damage the pa...

Page 4: ...on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge ...

Page 5: ...e solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced...

Page 6: ...e purposes 6 SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 4 Module Specification LGD LM215WF1 TLA1 P N EAJ60156901 1 Application Range This spec sheet is applied to the 55 cm 21 5 inch LCD Monitor TV used LP92C chassis 2 Specification Each part is tested as below without special appointment 2 1 Temperature 25 C 5 C 77 F 9 F CST 40 C 5 C 2 2 Rela...

Page 7: ...NTSC PAL M PAL N BAND NTSC 3 Receiving system VHF 2 13 UHF 14 69 CATV 1 125 4 Receiving system Upper Heterodyne 5 Component Input 1EA Y Cb Cr Y Pb Pr 6 CVBS Input 1EA PAL SECAM NTSC 4 System Rear PAL50 SECAM NTSC PAL60 7 RGB Input RGB PC Analog D SUB 15Pin 8 HDMI Input 1EA HDMI1 DTV PC HDMI version 1 3 Support HDCP 9 Audio Input 3EA RGB PC DVI Audio Component L R Input CVBS 10 Earphone out 1EA Ant...

Page 8: ...yp On On Active Blue 45W mode Max On On Active Blue 60W M227WAP Typ On On Active Blue 50W Max On On Active Blue 65W M237WAP Sleep mode Off On Off Amber 1W RGB On Off Power S W Off Off mode Off Off 0 5W Just operate power key and remote controller power button 7 MTBF 50 000 HRS with 90 Confidence leve 22 AUO 40 000 Hours min Lamp Life 23 LGD 50 000 Hours min 8 Using Altitude 5 000 m for Reliability...

Page 9: ...purposes 9 6 Chroma Brightness 6 1 M227WDAP 21 5 LCD Module for more details refer to the module spec Optical Test Condition Surrounding Brightness Level dark Surrounding Temperature 25 5 C warm up Time 30 Min Contrast Brightness Outgoing condition Incase of Vivid Mode high level saturation may be occurred Check gray linearity at standard mode Active area 1 Active area of LCD PANEL is in bezel of ...

Page 10: ... MHz 1 720 480 15 73 59 94 13 500 SDTV DVD 480I 525I 2 720 480 15 75 60 00 13 514 SDTV DVD 480I 525I 3 720 576 15 625 50 00 13 500 SDTV DVD 576I 625I 50Hz 4 720 480 31 47 59 94 27 000 SDTV 480P 5 720 480 31 50 60 00 27 027 SDTV 480P 6 720 576 31 25 50 00 27 000 SDTV 576P 50Hz 7 1280 720 44 96 59 94 74 176 HDTV 720P 8 1280 720 45 00 60 00 74 250 HDTV 720P 9 1280 720 37 50 50 00 74 25 HDTV 720P 50Hz...

Page 11: ...req Hz Pixel clock MHz Proposed 1 720 480 15 75 60 00 13 514 SDTV DVD 480I 525I 2 720 480 15 73 59 94 13 500 SDTV DVD 480I 525I 3 720 576 15 625 50 00 13 500 SDTV DVD 576I 625I 50Hz 4 7Z20 480 31 47 59 94 27 000 SDTV 480P 5 720 480 31 50 60 00 27 027 SDTV 480P 6 720 576 31 25 50 00 27 000 SDTV 576P 50Hz 7 1280 720 44 96 59 94 74 176 HDTV 720P 8 1280 720 45 00 60 00 74 250 HDTV 720P 9 1280 720 37 5...

Page 12: ... 400 5 mm After Packing 592 446 135 mm 2 Product Only SET 4 7 Kg Weight With BOX 6 3 Kg 3 Container Individual or 20ft 40ft Loading Palletizing Indi Wooden Indi Wooden Quantity 816 600 1700 1380 4 Stand Type Detachable Base detachable Assy Size W x D x H 271 2x 193 2x 108 4 Tilt Degree 5 15 degree Tilt force 0 8 3 5kgf Swivel Degree none Swivel Force 5 Appearance General Refer to Standard of LG 55...

Page 13: ... adjustment method 4 1 Input Tool Option Area Option Option adjustment following BOM Tool Option 1 Area Option Required Equipments Remote controller for adjustment Profile Must be changed the option value because being different with some setting value depend on module maker inch and market Adjustment method The input methods are same as other chassis Use IN START Key on the Adjust Remocon 1 Push ...

Page 14: ...tton and confirm Dialog Box 3 Click the Config button and Change speed E2PROM Device setting over the 350Khz 4 Read and write bin file Click 1 Read tab and then load download file XXXX bin by clicking Read 5 Click Auto 2 tab and set as below 6 click Run 3 7 After downloading check OK 4 message 14 LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service pu...

Page 15: ...once more We can write the ADC values from 0x06 0x0B addresses in a page 0x0E Manual ADC process using Service Remocon After enter Service Mode by pushing ADJ key execute Auto RGBB by pushing key at Auto RGB 4 3 3 COMPONENT input ADC 4 3 3 1 Component Gain Offset Adjustment Convert to Component in Input source Signal equipment displays Impress Resolution 720p MODEL 216 in Pattern Generator 720P 60...

Page 16: ...tten EDID data is correct or not 5 4 DDC EDID Write HDMI 256Byte Connect HDMI Signal Cable to HDMI Jack Write EDID DATA to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not 5 5 EDID data 1 M227WAP 5 5 1 RGB EDID Data 1 M227WAP 5 5 2 HDMI EDID Data 1 M227WAP All data are HEXA Adjustable Data week year ex when year 2008 input 12 CHECK SUM deferent along week year...

Page 17: ...r the DDC adjustment mode at the same time heat run mode when pushing the power on by power only key Maintain the DDC adjustment mode with same condition of Heat run Maintain after AC off on in status of Heat run pattern display 2 Release the DDC adjustment mode Release the adjust mode after AC off on or std by off on in status of finishing the Hear run mode Release the Adjust mode when receiving ...

Page 18: ...decreasing the x decreasing the R fix G In case of decreasing the y decreasing the G fix R 3 x target y target a First decrease B so make y a little more than the target b Adjust x value by decreasing the R 4 x target y target a First decrease B so make x a little more than the target b Adjust x value by decreasing the G Caution Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should...

Page 19: ...LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 19 TROUBLESHOOTING 1 TV CATV doesn t display ...

Page 20: ...LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 20 2 AV Component doesn t display ...

Page 21: ...LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 21 3 RGB PC doesn t display ...

Page 22: ...LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 22 4 HDMI doesn t display ...

Page 23: ...LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 23 BLOCK DIAGRAM ...

Page 24: ...ical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFE...

Page 25: ...fidencial LG E Confidential PDF created with pdfFactory Pro trial version www pdffactory com Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 26: ...fidencial LG E Confidential PDF created with pdfFactory Pro trial version www pdffactory com Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 27: ...fidencial LG E Confidential PDF created with pdfFactory Pro trial version www pdffactory com Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 28: ...fidencial LG E Confidential PDF created with pdfFactory Pro trial version www pdffactory com Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 29: ...fidencial LG E Confidential PDF created with pdfFactory Pro trial version www pdffactory com Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 30: ...fidencial LG E Confidential PDF created with pdfFactory Pro trial version www pdffactory com Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 31: ...fidencial LG E Confidential PDF created with pdfFactory Pro trial version www pdffactory com Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

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