LG 42PJ250, Service Manual

Page 1: ... SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PU01A MODEL 42PJ250 42PJ250 UA 42PJ250 42PJ250 UB North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only P NO MFL62881509 1004 REV00 Printed in Korea ...

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 9 TROUBLE SHOOTING GUIDE 14 BLOCK DIAGRAM 46 EXPLODED VIEW 47 SVC SHEET ...

Page 3: ...t 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 met...

Page 4: ...C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 V 240 V 50 60Hz 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 DQA Request 3 Test Method 1 Performance LGE TV test meth...

Page 5: ...ness R G B 100IRE 255Gray Blue X Unlimitedness 0 150 0 158 100 Window White Pattern Y Unlimitedness 0 065 0 075 Picture Vivid Medium 100 Window 2 85IRE 100 Window White Color coordinate uniformity 0 020 average 0 020 Pattern Picture Vivid Medium 3 Color Cool 0 261 0 276 0 291 White 85IRE 216Gray 100 Temperature 0 268 0 283 0 298 Window White Pattern Medium 0 270 0 285 0 300 100 Window 0 278 0 293 ...

Page 6: ...put Voltage 1 AC 100 V 240 V 50 60Hz 2 AC 100 V 120 V 50 60Hz 4 Market NORTH AMERICA 5 Screen Size 106 cm 42 inch Wide 1024 768 42T1 127 cm 50 inch Wide 1365 768 50T1 152 cm 60 inch Wide 1365 768 127 cm 50 inch Wide 1920 1080 50R1 152 cm 60 inch Wide 1920 1080 60R1 6 Aspect Ratio 16 9 7 Tuning System FS 8 PDP Module PDP42T1 1024 768 PDP50T1 1365 768 PDP50R1 1920 1080 PDP60R1 1920 1080 9 Operating ...

Page 7: ...000 24 000 HDTV 1080P 12 1920 1080 97 23 94 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 0 3 640 480 31 469 59 94 25 17 VESA VGA 0 4 800 600 35 156 56 25 36 00 VESA SVGA 0 5 800 600 37 879 60 31 40 00 VESA SVGA 0 6 1024 768 48...

Page 8: ...A WXGA 0 8 1360 768 47 712 60 015 85 50 VESA WXGA 0 9 1280 1024 63 981 60 020 108 00 VESA SXGA 0 10 1600 1200 74 537 59 869 161 00 UXGA Only FHD 0 11 1920 1080 66 587 59 934 138 50 WUXGA Only FHD Reduced Blanking 0 DTV 1 720 480 31 47 60 SDTV 480P 2 720 480 31 47 59 94 SDTV 480P 3 1280 720 45 00 60 00 HDTV 720P 4 1280 720 44 96 59 94 HDTV 720P 5 1920 1080 33 75 60 00 HDTV 1080I 6 1920 1080 33 72 5...

Page 9: ...low 20 cC it should be placed in the circumstance of above 15 cC for 3 hours 1 Press the POWER ON KEY on R C for adjustment 2 Press the ADJ KEY on R C and enter EZ ADJUST Select 4 WHITE PATTERN by using D E CH and select White by using F G VOL Set is activated HEAT run without signal generator in this mode Single color pattern RED BLUE GREEN of HEAT RUN MODE uses to check panel Caution If you turn...

Page 10: ...ed by check JIG set Because power PCB Assembly damages to PDP Module especially be careful Caution Set up RF mode noise before voltage adjustment 6 1 POWER PCB Ass y Voltage adjustment Va Vs voltage adjustment 1 Test equipment D M M 1EA 2 Connection Diagram for Measuring refer to fig 1 fig 1 Power PCB Assy Voltage adjustment 6 2 Adjustment method 1 Vs adjustment refer fig 1 1 Connect terminal of D...

Page 11: ...asuring You should use Channel 10 which is Matrix compensated White Red Green Blue revised by CS 1000 and adjust in accordance with White balance adjustment coordinate O Color temperature standards according to CSM and Module O Change target luminance and range of the Auto adjustment W B equipment O White balance adjustment coordinate and color temperature 11 LGE Internal Use Only Copyright 2010 L...

Page 12: ... light on O Auto adjustment Map RS 232C 8 4 Manual white Balance 1 Press the POWER ON KEY on R C for adjustment and heat run over 5 minutes 2 Zero Calibrate CA 100 CA 210 and when controlling stick the sensor to the center of PDP module surface 3 Press the ADJ KEY on R C and enter EZ ASJUST Select 3 W B ADJUST and press ENTER V Set test pattern on and display inside pattern 4 Control is carried ou...

Page 13: ... for communication through RS 232C UART Baud rate 115200 bps Command ah 00 00 DATA Area Number hexadecimal 12 2 Setting Manual Press ADJ R C In start key and select 1 AREA OPTION Select Model Number by using F G VOL in accordance with destination 13 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ITEM DATA Model Number M TOOL OPTIO...

Page 14: ... 14 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes TROUBLE SHOOTING GUIDE ...

Page 15: ... 15 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

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

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: ... HD FHD LVDS Con HD FHD SIF Flash 8MB Flash 8MB 12MHz 25MHz MAX3232 MAX3232 IR Path through MIC2019 MIC2019 USB 2 USB SVC 31 875MHz NL17SZ NL17SZ Analog RGB 3 input Analog Front End 8 input SPI Analog Audio 6 input Analog Audio 3 output Video Sccaler 0 RS 232C 유선 IR CVBS NT Main AV 1 AV 2 RGB COMP 1 COMP 2 HDMI 1 HDMI 2 Side HDMI AV 1 L R AV 2 L R RGB L R COMP1 L R COMP2 L R Mstar Saturn 4L of MPE...

Page 47: ...PLODED 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 NOTICE 200 120 305 300 400 580 301 302 303 304 202 240 520 207 206 204 203 201 501 590 570 602 601 604 900 205 A2 A10 A9 LV1 A12 ...

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

Page 49: ...Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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 ...

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