Related Manuals for LG 50PG2000
Summary of Contents for LG 50PG2000
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Page 1: Service Manual
Internal Use Only website:http://biz.LGservice.com PLASMA TV SERVICE MANUAL CHASSIS : PD83A MODEL : 50PG2000 50PG2000-ZA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -
Page 2: Table Of Contents
SPECIFICATION ..................4 ADJUSTMENT INSTRUCTION ..............7 TROUBLE SHOOTING ................14 BLOCK DIAGRAM...................23 EXPLODED VIEW .................. 25 SVC. SHEET ....................PRINTED CIRCUIT DIAGRAM ..............Copyright©2008 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes... -
Page 3: Safety Precautions
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright©2008 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes... -
Page 4: Specification
: 0~40deg LGE SPEC. 2)Humidity : 20~80% Storage Environment 3)Temp. : -20~60deg 4)Humidity : 10~90% Input Voltage 100-240V~, 50/60Hz Maker LG Copyright©2008 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes... - Page 5 : 0~40deg LGE SPEC. 2)Humidity : 20~80% Storage Environment 3)Temp. : -20~60deg 4)Humidity : 10~90% Input Voltage 100-240V~, 50/60Hz Maker LG Copyright©2008 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
- Page 6 RGB Input RGB-PC HDMI Input(3EA) HDMI-DTV & SOUND 1EA HDMI FOR 42/50PG1000 Audio Input (3EA) PC Audio, Component, AV L/R Input Copyright©2008 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
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Page 7: Adjustment Instruction
MODEL: 223 in Pattern Generator(1080i Mode) PATTERN: 65 in Pattern Generator( MSPG-925 SERISE) Adjust Mode In’, Carry the command. Adjust Mode Out Copyright©2008 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes... -
Page 8: Adjustment Method
2) After turning VR901,voltage of D.M.M adjustment as same as Va voltage which on label of panel right/top (deviation; ±0.5V) <42 inch EAY43509401> Copyright©2008 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes... - Page 9 (3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub Product ID 15Pin cable, DVI to HDMI cable. 6-2. Setting of Device (Fig. 2) Connection Diagram of DDC Download Copyright©2008 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
- Page 10 Serial No => Controlled on production line Detail EDID Options are below ( , => Please refer HDMI_1(Not apply 42/50PG1000-ZA) Copyright©2008 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
- Page 11 (5) Adjust W/B DATA, for all CSM, choose ‘COPY ALL’ * Don’t make any Gain Value over 192 and please fix one Value on 192, between B and R Copyright©2008 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only...
- Page 12 0 : TV 40,60,90 10 : DTV 20 : SCART1 30 : SCART2 40 : Component 60 : RGB 90 : HDMI Copyright©2008 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
- Page 13 - FOS Default write : 16-mode data (HFh,HFl,VF,STD,HP, VP,Clk,ClkPh,PhFine) write - Random Data write : write the appointment Address of E2PROM Copyright©2008 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
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Page 14: Trouble Shooting
9. Check the Power Manufacture enterprise Module output circuit Module output circuit Board Output high meaning of a passage tension circuit Copyright©2008 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes... - Page 15 1-2. 50” Power Board Structure Copyright©2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
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Page 16: No Power
After the cable connect is removed to Power Board, authorized the AC voltage marking on manual. When ST-BY 5V is not operated, replace Power Board. Copyright©2008 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes... - Page 17 After crisis COF of each board, check the normality operates. normal ? If in case normality operates, correspondence COF Fail is replace the module. Copyright©2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
- Page 18 Check the PDP Module Reconnect the LVDS Is the LVDC cable normal? cable in P400 Is the IC100(LGE7383C) Replace the VSC. Output normal? Copyright©2008 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
- Page 19 Replace hte VSC B/D Operates ?(LGE7383C) normal? Replace IC100 (LGE7383C) Is the Ctrl Board of Replace Ctrl B/D. Module normal? Copyright©2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
- Page 20 (5) In the case of becomes unusual display from Component, RGB mode Is theR,G,B input and H,V Sync Check the input source of the JK701,703 normal? Same as Block A Copyright©2008 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
- Page 21 (8) In the case of becomes unusual display from SCART2 mode Is the Video input od A/V Check the input source Jack(J600) normal? Same as Block A Copyright©2008 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
- Page 22 Only AV/component/PC the Sound IN/OUT input is no sound? IC1000 operates Replace the IC1000 normal? (NTP3000A) Replace the VSC B/D Copyright©2008 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
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Page 23: Block Diagram
BLOCK DIAGRAM AC_DET, MUTE, /SW_RESET, CLK SW_I2C_3.3V PCM_CD_ON TS_Parallel PCM_ADD PCM_DATA TS_Serial TV Tuner Copyright©2008 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes... - Page 24 Copyright©2008 LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
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Page 25: Exploded View
EXPLODED VIEW IMPORTANT SAFETY NOTICE 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. - Page 26 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 27 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 28 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PRINTED CIRCUIT BOARD MAIN(BOTTOM) PRE AMP(TOP) MAIN(TOP) PRE AMP(BOTTOM) CONTROL(TOP) CONTROL(BOTTOM) Copyright©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 29 July, 2008 P/NO : MFL42222707 Printed in Korea...