Related Manuals for LG 28LH4530
Summary of Contents for LG 28LH4530
- Page 1 Internal Use Only LED TV SERVICE MANUAL CHASSIS : LU60A MODEL : 28LH4530 28LH4530-PU CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL69169513 (1611-REV00)
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Page 2: Table Of Contents
ADJUSTMENT INSTRUCTION ..............8 TROUBLE SHOOTING ................12 BLOCK DIAGRAM .................. 16 EXPLODED VIEW .................. 17 SCHEMATIC CIRCUIT DIAGRAM ........... APPENDIX Copyright © 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 © LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes... -
Page 4: Servicing Precautions
Copyright © LG Electronics. Inc. All right 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. 3. Solder the connections. Copyright © LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
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Page 6: Specification
Component. USB (Side, 1EA) For My Media(Photo/Music List) 22,24LH4530 not support Picture + Music D-Sub RGB-PC LH4530 not support Copyright © LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 1920x1080p 56.250 50.000 67.432 59.940 67.500 60.000 - Video Color Format : YcbCr 444, 422 (xvYcc is not supported) Copyright © LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
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Page 8: Adjustment Instruction
Please Check the Speed : * After downloading, have to adjust TOOL OPTION again. Use the speed under 200KHz. Copyright © LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes... - Page 9 44 20 48 44 20 4C 47 20 54 56 0A 20 0A 20 20 20 20 20 20 20 20 20 20 20 20 Copyright © LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only...
- Page 10 * Display and Sound check is executed by Remote controll. → Caution : Not to push the INSTOP KEY after completion if the function inspection. Copyright © LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
- Page 11 ; time to display “In-stop OSD” : 8 second. ; time to turn on RED LED : 2 second. Copyright © LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
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Page 12: Trouble Shooting
Replace IC503 & Check IC503 Output Recheck Voltage Level (5V) Check X300 Clock Replace X300 24MHz Replace IC405 Flash Memory Copyright © LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes... - Page 13 P401 (#9, #10 ) Check FFC Cable for Damage or Replace Cable Open Conductors Replace T-Con Board or Module Copyright © LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
- Page 14 1. Check RF IC(L200) Power (3.3V) Recheck 2. Check IC501 Output voltage(3.3V) Replace TU200 or Check SCL/SDA Line(TU200 #3, #4) IC300(=> Main Scaler) Copyright © LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
- Page 15 Check JK100 for proper Replace Connector connection or Damage Check I2C Signal Re Download EDID Data (JK100) Replace Main Scaler (IC300) Copyright © LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
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Page 16: Block Diagram
BLOCK DIAGRAM Copyright © LG Electronics. Inc. All right reserved. - 16 - 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. Copyright © LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...