Related Manuals for LG 40LH5300
Summary of Contents for LG 40LH5300
- Page 1 Internal Use Only LED TV SERVICE MANUAL CHASSIS : LA68H MODEL : 40LH5300 40LH5300-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL69584202 (1604-REV00)
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Page 2: Table Of Contents
SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ............... 8 TROUBLE SHOOTING GUIDE ............... 14 BLOCK DIAGRAM ................. 19 EXPLODED VIEW .................. 20 - 2 - Copyright © LG Electronics. Inc. All rights reserved. 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. - 3 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... -
Page 4: Servicing Precautions
- 4 - Copyright © LG Electronics. Inc. All rights reserved. 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. - 5 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
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Page 6: Specification
2) Humidity : ~ 80 % 1) Temp. : -20 ~ 60 deg Storage Environment 2) Humidity : ~ 85% - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... - Page 7 VESA (SXGA) FHD only 1360*768 @60Hz 47.71 60.01 85.50 VESA (WXGA) 1920*1080 @60Hz 67.5 60.00 148.5 WUXGA(CEA 861D) FHD only - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
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Page 8: Adjustment Instruction
(1) Shipment conditions (2) Tool option menu (3) USB Download (S/W Update, Option and Service only) (4) Preset CH Information - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... - Page 9 HDMI2 : OK 4.2.5. Models for EDID Data FHD / 8bit Region HDMI 2ea 43/49LF5400-UE North America (AC3) 40LH5300-UA - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 10 * If TV internal pattern is used, not needed When you connect the RS232 to set Phone jack, please use 3pin phone jack cable. - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 11 1) First decrease B, so make x a little more than the target. 2) Adjust x value by decreasing the G - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 12 (1) Measurement condition Output, L/R - EQ/AVL/Clear Voice: Off (Distortion=10% max Vrms (2) Speaker (6Ω Impedance) Output) LF54 Series - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 13 (2) Select "Tool Option 1" and push "OK" key. (3) Punch in the number. (Each model has their number) - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
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Page 14: Trouble Shooting Guide
Check Mstar LVDS Replace Mstar(IC102) or Output Main Board Check DRV ON Control Check PSU P200 11pin : High Change Module - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... - Page 15 CVBS Signal Line R120 Check CVBS_DET Signal Replace AR401 or R110 Check Mstar LVDS Replace Mstar(IC102) Output or Main Board. - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 16 Check other set Replace Main Board If no problem, check signal line Check Mstar LVDS Replace Mstar(IC101) or Output Main Board. - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 17 Check Connector & Replace connector P5600 if found to be damaged. Check speaker resistance Replace speaker. and connector damage. - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 18 Check JK401 Signal Line Replace Jack R409 ,R406 Follow procedure ‘7. All source audio’ trouble shooting guide. - 18 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
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Page 19: Block Diagram
BLOCK DIAGRAM - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... -
Page 20: Exploded View
Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 20 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...