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LED TV
SERVICE MANUAL
CHASSIS : LA43B
MODEL : 60LB5900
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67988319(1404-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
60LB5900-UV
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea
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Summary of Contents for LG 60LB5900-UV
- Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LED TV SERVICE MANUAL CHASSIS : LA43B MODEL : 60LB5900 60LB5900-UV CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67988319(1404-REV00) Printed in Korea...
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Page 2: Table Of Contents
ADJUSTMENT INSTRUCTION .............. 11 TROUBLE SHOOTING ................17 BLOCK DIAGRAM .................. 22 EXPLODED VIEW .................. 25 SCHEMATIC CIRCUIT DIAGRAM .............. Copyright © LG Electronics. Inc. All rights reserved. - 2 - LGE Internal Use Only Only for training and service purposes... -
Page 3: Product Safety
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright © LG Electronics. Inc. All rights reserved. - 3 - LGE Internal Use Only Only for training and service purposes... - Page 4 Copyright © LG Electronics. Inc. All rights reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
- Page 5 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. Copyright © LG Electronics. Inc. All rights reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
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Page 6: Specification
1) Performance: LGE TV test method followed 2) Demanded other specification Safety : UL, CSA, IEC specification EMC: FCC, ICES, IEC specification Copyright © LG Electronics. Inc. All rights reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 2) Humidity : ~ 80 % Storage Environment 1) Temp : -20 ~ 60 deg 2) Humidity : ~ 85 % Copyright © LG Electronics. Inc. All rights reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
- Page 8 Full HD model Only 1360*768 47.712 60.015 85.50 VESA (WXGA) 1920*1080 67.50 60.00 148.5 HDTV 1080P Full HD model Only Copyright © LG Electronics. Inc. All rights reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
- Page 9 Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 3D input proposed mode 1920*1080 33.75 30.00 74.25 HDTV 1080P Side by Side Copyright © LG Electronics. Inc. All rights reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
- Page 10 6.6. Remark: 3D Input mode 2D to 3D Top & Bottom Side by Side Single Frame Sequential Frame Packing Copyright © LG Electronics. Inc. All rights reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
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Page 11: Adjustment Instruction
(1) Shipment conditions (2) Tool option menu (3) USB Download (S/W Update, Option and Service only) (4) Preset CH Information Copyright © LG Electronics. Inc. All rights reserved. - 11 - LGE Internal Use Only Only for training and service purposes... - Page 12 - After Aging Start, Keep the Power ON status during 5 Minutes. - In case of LCD, Back-light on should be checked using no signal or Full-white pattern. Copyright © LG Electronics. Inc. All rights reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
- Page 13 First decrease B, so make x a little more than the target. ii) Adjust x value by decreasing the G Copyright © LG Electronics. Inc. All rights reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
- Page 14 Screen models CA-210(CH-14) – by aging time Cool Medium Warm Aging time (Min) 10-19 20-35 36-49 50-79 80-119 Over 120 Copyright © LG Electronics. Inc. All rights reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
- Page 15 10.0 12.0 (1) Measurement cal max Vrms condition Output, L/R - EQ/AVL/Clear (Distor- Voice: Off tion=10% max Output) Impedance) Copyright © LG Electronics. Inc. All rights reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
- Page 16 (2) Select "Tool Option 1" and Push “OK” button. (3) Punch in the number. (Each model has their number.) Copyright © LG Electronics. Inc. All rights reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
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Page 17: Trouble Shooting
Replace Mstar(IC101) or Main Board Check Inverter Control Check Power Board or Module P401 2 pin : High Change Module Copyright © LG Electronics. Inc. All rights reserved. - 17 - LGE Internal Use Only Only for training and service purposes... - Page 18 Y/PB/PR signal Line Check COMP_DET Signal Replace R1709 or R1712 Check Mstar LVDS Output Replace Mstar(IC101) or Main Board. Copyright © LG Electronics. Inc. All rights reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
- Page 19 Check HDMI Signal Replace Main Board If no problem, check signal line Check Mstar LVDS Output Replace Mstar(IC101) or Main Board. Copyright © LG Electronics. Inc. All rights reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
- Page 20 Replace Audio AMP IC(IC5600) 1, 2, 3, 4 pin. Replace connector Check Connector & P5600 if f ound to be damaged. Copyright © LG Electronics. Inc. All rights reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
- Page 21 Check JK1702 Signal Line Replace Jack R1714,R1715 Follow procedure ‘7. All source audio’ trouble shooting guide. Copyright © LG Electronics. Inc. All rights reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
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Page 22: Block Diagram
BLOCK DIAGRAM 1. 2D Model Copyright © LG Electronics. Inc. All rights reserved. - 22 - LGE Internal Use Only Only for training and service purposes... - Page 23 2. 3D Model Copyright © LG Electronics. Inc. All rights reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
- Page 24 3. I2C Map Copyright © LG Electronics. Inc. All rights reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
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Page 25: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright © LG Electronics. Inc. All rights reserved. - 25 - LGE Internal Use Only Only for training and service purposes... - Page 28 USB DOWN STREAM...
- Page 30 Fiber Optic...
- Page 40 ...
- Page 41 THERMAL...
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