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This service information is designed for experienced repair technicians only and is not designed for use by the general 
public. 
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to 
service a product. 
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any 
attempt to service or repair 
the product or products dealt with in this service information by anyone else could result in serious injury or death. 

 

 
Haier   

SERVICE MANUAL 

                                                                                                                                                               

LED  TV 

Model No.LE75H9000U 

 
 
Main chipset:MS6488E 
 

 

 
 

 
 

 

 

 

 
 

© 2013 Qingdao Haier Electronics Co., Ltd. 

All rights reserved. Unauthorized copying and 
distribution is a violation of law

  WARNING

 

Summary of Contents for LE75H9000U

Page 1: ...duct Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death Haier SERVICE MANUAL LED TV Model No LE75H9000U Main chipset MS6488E 2013 Qingdao Haier Electronics Co Ltd All rights reserved Unauthori...

Page 2: ...e Manual 6 Using icons 6 Chapter 2 Specification 2 1 Specification list 8 2 2 External pictures four faces 9 Chapter 3 Disassemble and Assemble 3 1 LE75H9000U 11 3 1 1 Remove the Stand 11 3 1 2 Remove the Back Cabinet 11 3 1 3 Remove the Mainboard 11 3 1 4 Remove the Power Supply Module 11 3 1 5 Remove the Speaker 11 3 1 6 Remove the Remote Control Board 12 3 1 7 Remove the Key Board 12 Chapter 4 Lo...

Page 3: ...tions 6 1 Front Panel Controls 19 6 2 Back Panel Controls 20 6 3 Setting Up Your Remote Control 21 Chapter 7 Electrical Parts 7 1 Circuit Diagram 22 Chapter 8 Measurements and Adjustments 8 1 Software Update 22 Chapter 9 Trouble shooting 9 1 PowerTroubleshooting 27 ...

Page 4: ... make any king of contact with any inside part of this product This symbol indicates that there are important operating and maintenance instructions in the literture accompanying the appliance 1 3 2 Be careful to the electrical shock To prevent damage which might result in electric shock or fire do not expose this TV set to rain or excessive moisture This TV must not be exposed to dripping or splas...

Page 5: ... the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board module or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installat...

Page 6: ...is or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 17 Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity...

Page 7: ...ct Ratio 16 9 Resolution 3840x2160 Brightness cd m 300 Contrast 3500 1 Response Time ms 6 5 Angel of View H 170 V 170 Color Display 1 07G OSD Language English Arabic farsi French Portu guese Russian French Color System PAL SECAM Audio System BG DK L I Audio Output Power Built in W 10W 2 Audio Output Power outer W No Total Power Input W 350W Voltage Range V AC100V 240V Power Frequency Hz 50 60Hz Ti...

Page 8: ...8 Service Manual Model No LE75H9000U 2 2 External pictures four faces Front Side ...

Page 9: ...9 Service Manual Model No LE75H9000U Up Side Right Side ...

Page 10: ...nd 3 1 3 Remove the Mainboard 1 Remove the four screws indicated 2 Remove the Power Supply Module 1 Lay down the TV set 2 Remove the four screws from the stand which in the picture above 3 Remove the stand 3 1 5 Remove the Speaker Remove the Speaker indicated by red circle in below picture 3 1 2 Remove the Back Cabinet ...

Page 11: ...ove the fourteen screws 2 Flip machine panel side up 3 Carefully raise the Front shell from bottom 3 1 6 Remove the Remote Control Board And the Key Board Remove the Remote Control Board and the Key Board indicated by red circle in below picture ...

Page 12: ...9000U Chapter 4 Location of Controls and Components 4 1 Board Location C Panel B Main Board No Parts Type Description A Board HKL 750203 Power board B Board 20177 6488 6M60 Main board C Panel SAMSUNG LSC750FF01 LED Panel A Power Board ...

Page 13: ... Service Manual Model No LE75H9000U 4 2 Mainboard 4 2 1 Function Description Process signal which incept from exterior equipment then translate into signal that panel can display 4 2 2 Connector definition ...

Page 14: ...14 Service Manual Model No LE75H9000U 4 3 LED Panel LE75H9000U Backlight Unit LVDS Connector ...

Page 15: ...15 Service Manual Model No LE75H9000U 4 4 LED Panel LVDS Interface Connections ...

Page 16: ...16 Service Manual Model No LE75H9000U Chapter 5 Installation Instructions 5 1 Accessories ...

Page 17: ...17 Service Manual Model No LE75H9000U 5 2 ...

Page 18: ...18 Service Manual Model No LE75H9000U Chapter 6 Operation Instructions 6 1 Front Panel Controls ...

Page 19: ...19 Service Manual Model No LE75H9000U 6 2 Back Panel Controls 6 3 Setting Up Your Remote Controls ...

Page 20: ...20 Service Manual Model No LE75H9000U Chapter 7 Electrical Parts ...

Page 21: ...0 1 A15371 维修原理图 1 pdf Chapter 8 Software Update Software Upgrade Sequence 1 6488 6M60 Software Upgrade 2 8 8 9 3 Software Upgrade First 6488 6M60 Software upgrade method 1 Press the Source key as shown in fig 2 Input 8 8 9 3 enter the factory menu as shown in fig ...

Page 22: ...22 Service Manual Model No LE75H9000U 3 Select Software update USB Press OK key 1 Enter the HDMI channel 2 Press the Source key as shown in fig 3 Input 8 8 9 3 enter the factory menu as shown in fig ...

Page 23: ...23 Service Manual Model No LE75H9000U 4 Select other enter the 2 level menu 5 update TV Press the OK key ...

Page 24: ...24 Service Manual Model No LE75H9000U Chapter 9 Trouble shooting 9 1 Trouble shooting T MS6488E U801 Trouble Shooting ppt ...

Page 25: ...25 Service Manual Model No LE75H9000U Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com Printed in China ...

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