LG M227WDP Service Manual Download Page 37 | Manualshive

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Copyright @2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

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Summary of Contents for M227WDP

Page 1: ...ING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LD93C MODEL M227WDP M227WDP PZL M237WDP M237WDP PZL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

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 18 TROUBLE SHOOTING 22 BLOCK DIAGRAM 30 EXPLODED VIEW 31 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: ...vice purposes 6 SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 4 Module Specification 4 1 M227WDP PZL LGD LM215WF TLA1 P N EAJ60156901 P6 1 Application Range This spec sheet is applied to the 22 23 LCD Monitor TV used LD93C chassis 2 Specification Each part is tested as below without special appointment 2 1 Temperature 25 5 C 77 9 F CST 40 5 C 2 2...

Page 7: ...de Normally White 13 Backlight Unit 4 CCFL 4 lamps 14 Response Time Rising Time 3 8 Falling Time 1 2 ms Typ 15 Color Gamut 72 4 3 M237WDP PZL LGD LM230WF1 TLA3 P N EAJ60682701 P7 ZBD REPLACEMENT MODULE LGD LM230WF1 TLA6 P N EAJ60682703 P7 ZBD Magna Drive IC No Item Specification Unit Remark 1 Type TFT Color LCD Module 2 Diagonal Size 23 inches 584 2mm diagonal 3 Active Display area 509 184 H 286 4...

Page 8: ...AM Scart 1 Jack is Full scart and support RF OUT ATV Scart 2 jack is Half scart and support MNT DTV OUT 5 Component Input 1EA Y Cb Cr Y Pb Pr 6 RGB Input RGB PC Analog D SUB 15Pin 7 DVI Input DVI D Digital 8 HDMI Input 1EA HDMI DTV HDMI version 1 3 Support HDCP Not support PC 9 Audio Input 2EA RGB DVI Audio Component L R Input 10 SPDIF out 1EA SPDIF out 11 Earphone out 1EA Antenna AV1 AV2 Componen...

Page 9: ...n On Typ On On Active Blue 53W mode Max On On Active Blue 60W M227WDP PZL Typ On On Active Blue 55W Max On On Active Blue 60W M237WDP PZL Sleep mode Off On Off Amber 1W RGB On Off Power S W Off Off mode Off Off 0 5W 7 MTBF 50 000 HRS with 90 Confidence leve 22 AUO 40 000 Hours min Lamp Life 22 LGD 50 000 Hours min 23 LGD 50 000 Hours min 8 Using Altitude 5 000 m for Reliability 3 000m for FOS 9 Op...

Page 10: ...LG Electronics Inc All right reserved Only for training and service purposes 10 6 Chroma Brightness 6 1 M227WDP AUO Module for more details refer to the module spec No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left 70 70 85 85 CR 10 Up Down 60 70 75 85 2 Luminance Luminance cd m2 250 300 Variation 75 3 Contrst Ratio CR 700 1000 Full white Full black 4 Color Coordinates CIE1...

Page 11: ...val between right of active area and bezel C Interval between top of active area and bezel D Interval between bottom of active area and bezel C B D A Active Area Bezel No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left 70 70 85 85 CR 10 Up Down 60 70 75 85 2 Luminance Luminance cd m2 250 300 Variation 75 3 Contrst Ratio CR 700 1000 Full white Full black 4 Color Coordinates C...

Page 12: ...k Min Typ Max Min Typ 1 22 23 inch 240 230 600 700 RGB DVI DFC 50000 1 No Specification Remark Resolution H freq kHz V freq Hz Pixel clock 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 ...

Page 13: ... 31 468 70 08 28 321 2 640 480 31 469 59 94 25 175 3 640 480 37 5 75 31 5 4 800 600 37 879 60 317 40 0 5 800 600 46 875 75 0 49 5 6 1024 768 48 363 60 0 65 0 7 1024 768 60 123 75 029 78 75 8 1152 864 67 500 75 000 108 0 9 1280 1024 63 981 60 02 108 0 10 1280 1024 79 976 75 035 135 0 11 1680 1050 64 674 59 883 119 0 12 1680 1050 65 290 59 954 146 25 13 1600 1200 75 0 60 0 162 0 14 1920 1080 66 587 ...

Page 14: ...0 31 468 70 08 28 321 2 640 480 31 469 59 94 25 175 3 640 480 37 5 75 31 5 4 800 600 37 879 60 317 40 0 5 800 600 46 875 75 0 49 5 6 1024 768 48 363 60 0 65 0 7 1024 768 60 123 75 029 78 75 8 1152 864 67 500 75 000 108 0 9 1280 1024 63 981 60 02 108 0 10 1280 1024 79 976 75 035 135 0 11 1680 1050 64 674 59 883 119 0 12 1680 1050 65 290 59 954 146 25 13 1600 1200 75 0 60 0 162 0 14 1920 1080 66 587...

Page 15: ...V 480P 2 720 576 31 25 50 27 864 SDTV 576P 3 1280 720 37 500 50 74 25 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 1080I 6 1920 1080 28 125 50 00 74 25 HDTV 1080I 7 1920 1080 27 24 74 25 HDTV 1080P 8 1920 1080 33 75 30 00 74 25 HDTV 1080P 9 1920 1080 56 250 50 148 5 HDTV 1080P 10 1920 1080 67 43 67 5 59 94 60 148 35 148 50 HDTV 1080...

Page 16: ...LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 16 14 2 M237WDP Product ID 22393 ...

Page 17: ...5 15 degree Tilt force 0 8 3 5kgf Swivel Degree none Swivel Force 5 Appearance General Refer to Standard of LG 55 G1 1020 Appearance Gap spec Front 0 5 mm Back Bottom 1 0 m 15 2 M237WDP PZL No Item Content Unit Remark 1 Product Width W Length D Height H mm Dimension Before Packing 560 8 193 2 427 mm After Packing 651 456 161 mm 2 Product Only SET 5 6 Kg Weight With BOX 7 4 Kg 3 Container Individua...

Page 18: ...25 C 5 C Relative humidity 65 10 Input voltage 220V 60Hz 2 6 Adjustment equipment Color Analyzer CA 210 or CA 110 Pattern Generator MSPG 925L or Equivalent DDC Adjustment Jig equipment SVC remote controller 2 7 Don t push The IN STOP KEY after completing the function inspection 3 Main PCB check process APC After Manual Insult executing APC Download 1 Execute ISP program Mstar ISP Utility and then ...

Page 19: ...ntroller 2 Select Tool Option 1 and Push OK button 3 Punch in the number Each model has their number 4 Completed selecting Tool option 3 1 ADC Process 3 1 1 PC input ADC 3 1 1 1 Auto RGB Gain Offset Adjustment Convert to PC in Input source Signal equipment displays Output Voltage 700 m Vp p Impress Resolution XGA 1024 x 768 60Hz Model 60 in Pattern Generator Pattern 29 in Pattern Generator MSPG 92...

Page 20: ...UTO W B EQUIPMENT Adjust Process will start by execute I2C Command Inner pattern 0xF3 0xFF Adjust Process will finish by execute I2C Command Inner pattern Inner pattern 0xF3 0x00 Caution Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should be kept on 0xC0 and adjust other two lower than C0 when R G B Gain are all C0 it is the FULL Dynamic Range of Module W B condition Surrounding ...

Page 21: ...4 3 DDC EDID Write RGB 128Byte Connect D sub Signal Cable to D Sub Jack Write EDID DATA to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not 4 4 DDC EDID Write DVI 128Byte Connect DVI D Signal Cable to DVI Jack Write EDID DATA to EEPROM 240C02 by using DDC2B protocol Check whether written EDID data is correct or not 4 5 DDC EDID Write HDMI 256Byte Connect HDMI ...

Page 22: ...evel 5V 15V Check Power connctor OK Replace Power board Y Y Check IC1107 Output Voltage Level 5V Replace IC 1107 Recheck Recheck Y N Check X101 Clock 12MHz Replace X101 Y N Replace IC 105 Flash Memory Check IC1104 Output Voltage Level 1 8V Replace IC1104 N Check IC1105 Output Voltage Level 12V Replace IC1105 N N N Y Check IC1102 Output Voltage Level 3 3V Replace IC1102 N Y Wave form of X101 ...

Page 23: ... P1103 13 14 25 26 IC100 has problem Check LVDS Cable for damage or open conductors Check LCD Module Control board Refer to Module CAS Y N Y Replace Cable N Y 1 Check Power Board 15V 2 Check IC1107 Output voltage 5V 3 Check P304 1 2 3 5V 1 Replace Power Board 2 Replace IC1107 N Check P1101 9 INV_ON high Check GPIO Path Refer to Appendix 1 N Y ...

Page 24: ...IC500 has problems Check P1103 13 14 25 26 Y N Check Tuner 5V Power Q1105 5V Replace Q1105 Y N Y Place IC100 has problems N Y Check LD500 color Bad Tuner Replace Tuner None Yellow none Check Demodulator Input Clock X500 31 875MHz X501 20 48MHz Replace X500 Replace X501 N Y Check LCD Module Control board Refer to Module CAS Wave form of X500 e 3 Digital TV Video Trouble Shooting ...

Page 25: ...ck input signal format Is it supported Check signal C1121 C122 C123 Check R164 R144 R145 C1121 C122 C123 Y N Check JK700 Replace JK602 or Check Divice Y N Y IC100 has problem Y Check Component Cable Wave form of C121 Wave form of C122 Wave form of C123 Wave form of Comp Y Wave form of Comp Pb Wave form of Comp Pr The Waveforms depend on input signal ...

Page 26: ...Is it supported Check signal Hsync Vsync R729 R730 Replace R729 R730 Check signal RGB R158 R160 R162 C115 C117 C119 Y N Check JK703 Replace JK703 Y N Y Replace R158 R160 R162 C115 C117 C119 N IC100 has problem Y Check RGB Cable connector for damage Y Wave form of R730 Vsync Wave form of R729 Hsync Wave form of R160 C117 Wave form of R158 C115 Wave form of R162 C119 ...

Page 27: ...t signal for mat Is it supported Check signal RGB R116 R113 R114 C137 C134 C135 Replace R1 16 R113 R114 C137 C134 C135 Y N Check signal R611 AV_CVBS R625 R626 S_Video Replace R6 11 R625 R626 Y N Y IC101 has problem Check AV Ca ble S Video Cable f or damage or open conn ector Y Wave form of R626 S video Wave form of R611 CVBS Wave form of R625 S video ...

Page 28: ...eck input signal format Is it supported Y Check JK900 JK901 for proper connectio n or damage Replace connector N Y Check HDMI Cable for damage or open connnector Check EDID NVRAM IC902 IC903 Redownload EDID data or Replace IC901 IC902 Y N Check HDCP Key NVRAM IC102 Power 12C Signal 5 6 Power 12C Signal 5 6 Replace IC102 Y N Y Replace Mstar IC100 ...

Page 29: ... 29 LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 8 All Source Audio Trouble Shooting ...

Page 30: ...4 SC1_CVBS_IN SC2_CVBS_IN SC1_TV_VOUT DTV MNT_V_OUT SC1_L R_IN TV_L R_OUT DTV MNT_L R_OPOUT LCD Panel P402 19î 1366x768 20î 1600x900 22î 1920x1080 23î 1920x1080 27î 1920x1080 RESET SYSTEM_I2C TS_Serial TPA6132 IC1002 H phone_L R_OUT Tuner Tuner 24C02 24C02 SPI DDR DDC_I2C UART J1000 SPDIF_OUT OPTIC SCART SCART Component Component USB USB DVI DVI D D HDMI1_Rear HDMI1_Rear HDMI2_Side HDMI2_Side MSG1...

Page 31: ...al 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 SAFETY...

Page 32: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 33: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 34: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 35: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 36: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 37: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 38: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 39: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 40: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 41: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 42: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 43: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 44: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 45: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 46: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 47: ...Sep 2009 Printed in Korea P NO MFL49414532 ...

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