LG 42PG200R Service Manual Download Page 18 | Manualshive

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LGE Internal Use Only

Copyright©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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Summary of Contents for 42PG200R

Page 1: ...PLASMA TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PP81B MODEL 42PG200R 42PG200R ZA website http biz LGservice com Internal Use Only ...

Page 2: ... Electronics Inc All right reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 TROUBLE SHOOTING 16 BLOCK DIAGRAM 23 EXPLODED VIEW 24 SVC SHEET PRINTED CIRCUIT DIAGRAM ...

Page 3: ...by it 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...

Page 4: ...drawing and specification by part number in accordance with SBOM 5 The receiver must be operated for about 20 minutes prior to the adjustment V Test Method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC V General Specification 42 XGA Module Display Screen Device Aspect Ratio PDP Module Operating Environment Storage Environment Input ...

Page 5: ...deo Input 1EA Component Input 1EA RGB Input 1EA HDMIInput 2EA Audio Input 5EA 1 2 3 4 5 6 7 8 9 10 11 No Item Specification Remark EU PAL BG I DK SECAM BAND PAL VHF UHF C1 C69 CATV S1 S47 Upper Heterodyne PAL PAL PAL Y Cb Cr Y Pb Pr RGB PC HDMI DTV PC Audio AV 3EA SIDE AV 1EA Full Scart 1EA Harf 1EA Side AV Side AV S Video Priority REAR HDMI 2 L R Input PC 1EA Component 2EA Rear 1EA Side 1EA V Mod...

Page 6: ...4 in Pattern Generator MSPG 925 SERISE 1 2 Black White Pattern Refer below picture 3 Adjust by commanding AUTO_COLOR_ADJUST 0xF1 0x00 0x02 instruction 2 Confirmation 1 We confirm whether 0xF1 offset 0xF2 gain address of EEPROM 0xBC is 0xAA or not 2 If 0xF1 0xF2 address of EEPROM 0xBC isn t 0xAA we adjust once more 3 We can confirm the ADC values from 0x00 0x05 addresses in a page 0xBC Manual ADC p...

Page 7: ...stment 4 Adjustment method Before PCBA check have to change the Tool option and Area option About PDP After done all adjustments Press IN START button and compare Tool option and Area option value with its BOM if it is correctly same then Change RF mode and then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model Øs module from factor...

Page 8: ...D The Extended Display Identification Data DDC Display Data Channel Download Caution Use the proper signal cable for EDID Download Never connect HDMI D SUB Cable at the same time Use the proper cables below for EDID Writing 7 1 Profile To be possible for plug and play 7 2 Equipment 1 Adjusting PC with S W for writing EDID Data S W EDID TESTER Ver 2 5 2 A Jig for EDID Download 3 Cable Serial 9Pin o...

Page 9: ...es O Detail EDID Options are below ⓐ ⓑ ⓒ ⓓ ⓔ ⓐ Product ID ⓑ Serial No Controlled on production line ⓒ Month Year Controlled on production line ex Monthly 11 0B Year 2007 11 ⓓ Model Name Hex ⓔ Checksum Changeable by total EDID data Ananlog 128Byte 1 2 HDMI 1 2 3 256Byte 1 A B 42PG200R ZA Product ID Model Name EDID table 239D 249D Hex 9D23 9D24 DEC 40227 A 40228 D ...

Page 10: ... PP81A_RGB ANA Digital HDMI1 PP81A_HDMI1 DVI Digital HDMI2 PP81A_HDMI2 DVI Digital HDMI3 PP81A_HDMI3 DVI 3 Set the S W as below 4 Push the Write Data Verify button And confirm Yes 5 If the writing is finished you will see the OK message 8 HDCP High Bandwidth Digital Contents Protection 1 Connect D sub Signal Cable to D Sub Jack 2 Input HDCP key with HDCP key in program 3 HDCP Key value is stored o...

Page 11: ...tment 9 3 Connecting Diagram of Equipment for Measuring For Automatic Adjustment 1 Enter the adjustment mode of the white balance Enter the white balance adjustment mode at the same time heat run mode when pushing the power on by power only key Maintain the white balance adjustment mode with same condition of Heat run Maintain after AC off on in status of Heat run pattern display 2 Release the whi...

Page 12: ... others 1 Default Medium Vivid 2 Push the VOL key twice Warm Refer to the below case to know what value is fixed CASE First adjust the coordinate much away from the target value x y 1 x y target 1 Decrease the R G 2 x y target 1 First decrease the B gain 2 Decrease the one of the others In case of decreasing the x decreasing the R fix G In case of decreasing the y decreasing the G fix R 3 x target...

Page 13: ...r receiving 100 Full White Pattern HEAT RUN 2 Connect terminal of D M M to Va pin of P812 connect terminal to GND pin of P812 3 After turning VR901 voltage of D M M adjustment as same as Va voltage which on label of panel right top deviation 0 5V 2 Vs Adjustment 1 Connect terminal of D M M to Vs pin of P812 connect terminal to GND pin of P812 2 After turning VR951 401 voltage of D M M adjustment a...

Page 14: ...F V UHF V UHF V UHF V UHF V UHF V UHF NZ01 R34 EU05 PI11 BR48 E04 EU07 EU50 EU52 PI41 PI63 5 21 SLB CATVE SL36 E5 E51 I41 R5 E4 E31 I21 I69 E48 L4 L45 E25 R7 R7 US 4 J 01 US 13 J 11 US 14 J 13 US 63 J62 CATV 15 US 18 Digital R 1 CIS D 10 China10 K 36 E 5 G 40 I 28 C 01 C 34 C 05 S 11 C 04 C 07 C 50 C 52 C 41 C 63 S 47 C 21 C 02 S 07 C 36 C 05 C 51 C 41 C 05 C 04 C 31 C 21 C 69 C 48 C 08 C 45 C 25 ...

Page 15: ... V UHF V UHF V UHF V UHF Cable V UHF V UHF Cable V UHF V UHF V UHF V UHF V UHF V UHF V UHF V UHF D 1 D 4 D 10 E 5 R 12 US 14 R 34 I 41 US 63 E 04 R 05 E 05 R 12 E 21 R 34 R 54 E 2 E 5 E 11 E 25 E 36 I 30 I 11 R 05 R 34 F B US 04 N 10 US 11 US 13 US 30 F 49 M 69 JA 01 JA 04 JA 36 Au 5 E 05 US 13 R 12 D 01 R 34 E 21 D 04 D 10 C 01 C 04 C 10 C 05 C 12 C 14 C 34 C 41 C 63 C 04 C 05 C 05 C 12 C 21 C 34...

Page 16: ... 16 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes TROUBLE SHOOTING GUIDE ...

Page 17: ... 17 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 18: ... 18 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 19: ... 19 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 20: ... 20 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 21: ... 21 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 22: ... 22 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 23: ... 23 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes BLOCK DIAGRAM ...

Page 24: ... 303 304 591 230 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 withou...

Page 25: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 26: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 27: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 28: ...May 2008 Printed in Korea P NO MFL41541403 ...

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