LG 49LX340H Service Manual
Hide thumbs
Also See for 49LX340H:
- Owner's manual (41 pages) ,
- Easy setup manual (8 pages) ,
- Owner's manual (41 pages)
Related Manuals for LG 49LX340H
Summary of Contents for LG 49LX340H
- Page 1 Internal Use Only LED TV SERVICE MANUAL CHASSIS : LA5CB MODEL : 49LX340H 49LX340H-U* CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL69152122 (1611-REV01)
-
Page 2: Table Of Contents
SPECIFICATION ..................6 USB DOWNLOAD ................... 9 TROUBLESHOOTING GUIDE ..............10 BLOCK DIAGRAM .................. 16 EXPLODED VIEW .................. 17 - 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...
-
Page 6: Specification
2) Humidity : ~ 80 % Storage Environment 1) Temp : -20 ~ 60 deg 2) Humidity : ~ 85 % - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... - Page 7 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.00 74.250 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 8 HDTV 1080P 1920*1080 26.97 23.97 74.176 HDTV 1080P 1920*1080 33.75 30.00 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
-
Page 9: Usb Download
(2) Select "Tool Option 1" and push "OK" key. (3) Punch in the number. (Each model has their number) - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... -
Page 10: Troubleshooting Guide
Replace Mstar(IC101) or Main Board Check DRV ON Control Check Pow er Board P401 11 pin : High Change Module - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... - Page 11 Check JK4400, CVBS Signal Line Replace Jack R242 Check CVBS_DET Signal Replace R4410 R4410 Check Mstar LVDS Output Replace Mstar(IC101) or Main Board. - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 12 Check HDMI Signal Replace Main Board If no problem, check signal line Check Mstar LVDS Output Replace Mstar(IC101) or Main Board. - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 13 Replace connector Check Connector & P5600 if found to be damaged. Check speaker resistance Replace speaker. and connector damage. - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 14 Check JK4400 Signal Line Replace Jack R4408, R4409 Follow procedure ‘7. All source audio’ trouble shooting guide. - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 15 Replace Phone Jack(JK3400) 4,5 pin. Check JK3400 Replace Phone Jack if found to be damaged. Check External Speaker Replace External speaker. - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
-
Page 16: Block Diagram
BLOCK DIAGRAM - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... -
Page 17: Exploded View
Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...