LG 50PK750-UA, Service Manual Download Page 44 | Manualshive

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LGE Internal Use Only

Copyright ©2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes

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Summary of Contents for 50PK750-UA,

Page 1: ...READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PU02A MODEL 50PK750 50PK750 UA UF North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL62861701 1004 REV01 ...

Page 2: ... 2010 LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 8 TROUBLE SHOOTING GUIDE 16 BLOCK DIAGRAM 48 EXPLODED VIEW 49 SVC SHEET ...

Page 3: ...s Neck Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metal...

Page 4: ...ndard input voltage 100 V 240 V 50 60 Hz Standard Voltage of each product is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 5 minutes prior to the adjustment 3 Test Method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA I...

Page 5: ...01 135 3 Input Voltage 1 AC 100 V 240 V 50 60 Hz N America Mark 110V 60Hz 4 Market NORTH AMERICA KOREA 5 Screen Size 127 cm 50 inch Wide 1920 1080 50PK750 UA F 50PK950 UA F 152 cm 60 inch Wide 1920 1080 60PK750 UA F 60PK950 UA F 6 Aspect Ratio 16 9 7 Tuning System FS 8 PDP Module PDP50R1 1920 1080 50PK750 UA F 50PK950 UA F PDP60R1 1920 1080 60PK750 UA F 60PK950 UA F 9 Operating Environment 1 Temp ...

Page 6: ...0 1920 1080 67 432 59 94 HDTV 1080P 11 1920 1080 27 000 24 000 HDTV 1080P 12 1920 1080 26 97 23 976 HDTV 1080P 13 1920 1080 33 75 30 000 HDTV 1080P 14 1920 1080 33 71 29 97 HDTV 1080P No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed PC DDC 1 640 350 31 468 70 09 25 17 EGA X 2 720 400 31 469 70 08 28 32 DOS X 3 640 480 31 469 59 94 25 17 VESA VGA 0 4 800 600 37 879 60 31 40 00 VESA SVGA ...

Page 7: ...7 712 60 015 85 50 VESA WXGA 0 8 1280 1024 63 981 60 020 108 00 VESA SXGA 0 9 1920 1080 67 5 60 148 5 HDTV 1080P 0 DTV 1 720 480 31 47 60 27 027 SDTV 480P 2 720 480 31 47 59 94 27 00 SDTV 480P 3 1280 720 45 00 60 00 74 25 HDTV 720P 4 1280 720 44 96 59 94 74 176 HDTV 720P 5 1920 1080 33 75 60 00 74 25 HDTV 1080I 6 1920 1080 33 72 59 94 74 176 HDTV 1080I 7 1920 1080 67 500 60 148 50 HDTV 1080P 8 192...

Page 8: ...aution When still image is displayed for a period of 20 minutes or longer especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern 09ch there can some afterimage in the black level area 3 Adjustment items 3 1 Board level adjustment Mac address and Idfile ESN Download Adjust 480i Comp1 adj Adjust 1080p Comp1 adj Adjust 1920 1080 RGB adj EDID DDC download Above adjustment...

Page 9: ...ern Generator MSPG 925FA Adjust 480i Comp1 MSPG 925FA model 209 pattern 65 Adjust 1080p Comp1 MSPG 925FA model 225 pattern 65 Adjust RGB MSPG 925FA model 225 pattern 65 The PU02A have not ECHO 7 EDID The Extended Display Identification Data DDC Display Data Channel download 7 1 Overview It is a VESA regulation A PC or a MNT will display an optimal resolution through information sharing without any...

Page 10: ...01 1A 36 80 A0 70 38 1F 40 30 20 40 35 00 C4 8E 21 00 00 1A 66 21 50 B0 51 00 1B 30 50 40 70 36 00 C4 8E 21 00 00 1E 00 00 00 FD 00 39 60 3F 1F 52 11 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 9D 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 02 03 1C F1 47 84 05 03 02 20 22 10 23 09 07 07 10 67 03 0C 00 20 00 B8 2D E3 05 03 01 01 1D 00 72 20 51 D0 1E 20 6E 28 55 00 A0 ...

Page 11: ...A 36 80 A0 70 38 1F 40 30 20 40 35 00 C4 8E 21 00 00 1A 66 21 50 B0 51 00 1B 30 50 40 70 36 00 C4 8E 21 00 00 1E 00 00 00 FD 00 39 60 3F 1F 52 11 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 9D 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 02 03 1F F1 47 84 05 03 02 20 22 10 26 15 07 50 10 09 07 07 67 03 0C 00 10 00 B8 2D E3 05 03 01 01 20 1D 00 72 51 D0 1E 20 6E 28 55 0...

Page 12: ... 1E 6D 01 00 01 01 01 01 10 01 14 01 03 80 10 09 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 31 40 45 40 61 40 81 80 01 01 30 01 01 01 01 01 01 1A 36 80 A0 70 38 1F 40 30 20 40 35 00 C4 8E 21 00 00 1A 66 21 50 B0 51 00 1B 30 50 40 70 36 00 C4 8E 21 00 00 1E 00 00 00 FD 00 39 60 3F 1F 52 11 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 9D 0 1 2 3 4 5 6 7 8 ...

Page 13: ...Program and begin adj 5 When adj is complete OK Sign check adj status per mode Warm Medium Cool 6 Remove probe and RS 232C cable to complete adj Adj must begin w command wb 00 00 and end wb 00 ff and adj offset if needed Offset adjust limit value Offset Min 34 Decimal Offset Max 94 Decimal 8 6 Manual adj method Dynamic contrast off Dynamic color off OPC Off Energy saving mode Off 1 Set TV Picture ...

Page 14: ...co 9 2 Method 1 Press ADJ key on the Adj R C then select Country Group Menu 2 Depending on destination select KR or US then on the lower option select US CA MX Selection is done using KEY 9 3 Ship out Default mode check Instop O After final inspection press In Stop key of the Adj R C and check that the unit goes to Stand by mode 9 4 POWER Supply Unit PCB Ass y Va Vs Voltage adjustment Caution Both...

Page 15: ...check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust TOOL OPTION again 1 Push IN START key in service remote controller 2 Select Tool Opt...

Page 16: ... 16 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes TROUBLE SHOOTING GUIDE ...

Page 17: ... 17 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 18: ... 18 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 19: ... 19 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 20: ... 20 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 21: ... 21 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 22: ... 22 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 23: ... 23 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 24: ... 24 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 25: ... 25 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 26: ... 26 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 27: ... 27 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 28: ... 28 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 29: ... 29 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 30: ... 30 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 31: ... 31 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 32: ... 32 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 33: ... 33 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 34: ... 34 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 35: ... 35 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 36: ... 36 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 37: ... 37 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 38: ... 38 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 39: ... 39 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 40: ... 40 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 41: ... 41 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 42: ... 42 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 43: ... 43 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 44: ... 44 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 45: ... 45 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 46: ... 46 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 47: ... 47 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 48: ... 48 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Page 49: ...10 Many electrical and mechanical 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 o...

Page 50: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 51: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 52: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 53: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 54: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 55: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 56: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 57: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 58: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 59: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 60: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 61: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 62: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 63: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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