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SERVICE MANUAL

LED TV MODEL No. 32D3000B

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.

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Summary of Contents for 32D3000B

Page 1: ...ls 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 ...

Page 2: ...omponent Location 8 3 2 Main Board 8 3 3 LED Panel 11 4 Disassembly Procedures 12 5 Accessories 17 6 Installation Instructions 18 6 1 Power Connection 18 6 2 External Equipment Connections 19 7 Operation Instructions 25 7 1 Side Control 25 7 2 Rear Terminals 26 7 3 Using Remote Control 27 8 Electrical Parts 28 8 1 System Block Diagram 28 8 2 Circuit Diagram 29 8 3 Wiring Connection Diagram 35 ...

Page 3: ... Mode 47 9 3 Software Update 48 9 4 Hotel Mode 48 10 Troubleshooting 49 10 1 Simple Check 49 10 2 System Power Check 50 10 3 No Sound No Picture 51 10 4 Audio Problem 52 10 5 Video Problem 53 10 6 Main board not work 54 10 7 Panel not work 54 10 8 Power board not work 54 ...

Page 4: ...oduct This symbol indicates that there are important operating and maintenance instructions in the literature accompanying the appliance 1 2 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 splashing water and objects filled with water such as vases ...

Page 5: ...s assemblies 5 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 99 strength CAUTION This is a flammable mixture Unless other specified in this service manual lubrication of contacts...

Page 6: ...can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam alumi...

Page 7: ... below Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment data loss get an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal injury Reference...

Page 8: ... Language English Spanish France Video Audio System NTSC M ATSC Dimensions with Stand W x H x D 28 78 x18 89 x6 69 Dimensions w o Stand W x H x D 28 78 x17 22 x2 66 Weight with Stand 13 89 lbs Weight without Stand 9 92 lbs Wall Mount Pattern H x V 200 x 100 mm Wall Mount Screw Type M6 x 12 mm Power Consumption 60W Standby 0 5W Mains Power 120V 60Hz Audio Power 6W 6W ...

Page 9: ... Controls and Components 3 1 Component Location 3 2 Main Board No Component 1 Keypad wire 2 LVDS cable 3 Main board 4 Backlight wire 5 Key pad board 6 Panel T Con Board 7 White LED indicator 8 IR board wire 9 IR board ...

Page 10: ... 3 2 2 Connector Definition To IR LED Key pad CN6 To Speaker CNA3 Pin No Signal Name Description 1 GND Ground 2 K7 3 K6 4 K5 5 K4 6 K3 7 K2 8 K1 9 K0 10 GND Ground 11 IR IR receiver 12 GRN No Connect 13 RED LED Red 14 5V 5V DC Power Supply Pin No Signal Name Description 1 Key_AD2 Other function key 2 Key_AD1 Power Key 3 GND Ground ...

Page 11: ...10 3 3 LED Panel 3 4 1 Connector Definition 10 Pin No Signal Name Description 1 RSPK Speaker R 2 ROUT Speaker R 3 LOUT Speaker L 4 LSPK Speaker L ...

Page 12: ...11 4 Disassembly Procedures 1 Remove the screws securing the back cover Torque 3 8 0 53 kgf cm 2 Detach the back cover from the bottom of the unit ...

Page 13: ...12 ...

Page 14: ...13 3 Remove all tapes on the cables ...

Page 15: ...14 5 Disconnect the cables and remove them from the unit 6 Remove the screws securing the main board power board side I O cover and bottom I O cover then remove them from the unit Torque 3 8 0 3 kgf cm ...

Page 16: ...15 1 Remove the WHITE LED INDICATOR screw securing the bottom bracket unit 3 8 0 3 kgf cm ...

Page 17: ...16 Manual 5 Accessories Remote Control 2 x AAA Batteries User Manual ...

Page 18: ...17 Power Cord Warranty Card optional ...

Page 19: ...ed for operation on AC Insert the AC cord plug into a standard polarized AC outlet Never connect the AC line cord plug to a voltage other than specified If you cause a static discharge when touching the unit and the unit fails to function simply unplug the unit from the AC outlet and plug it back in The unit should return to normal operation 18 ...

Page 20: ...our device off 3 Connect the appropriate cable not included to the TV and the device 4 Turn the TV and your device on Set the TV s input to match the connection you used HDMI1 HDMI2 Component Composite etc Connecting to an antenna cable wall jack Connect one end of a coaxial cable not included to the ANT IN jack on the back of your TV then connect the other end of the cable into the antenna or cab...

Page 21: ...or signal area install a signal amplifier If you need to split the antenna signal to connect two TVs install a two way splitter Connector F type plug Input impedance 75 ohm unbalanced Philippines Connector IEC type plug Input impedance 75 ohm unbalanced Others ...

Page 22: ...21 Connecting a PC VGA Supported timing ...

Page 23: ...22 Service Manual Connecting AV Equipment COMPONENT OUT ...

Page 24: ...hared You can only connect one component or composite device at a time When connecting a composite video source connect the yellow video wire to the Y green jack Connecting A Digital Audio Device and Headphones Note When headphones are inserted the TV speakers will be muted ...

Page 25: ...24 Cable Sample ...

Page 26: ...25 Note The cables are not included in the package ...

Page 27: ...26 7 Operation Instructions 7 1 Side Control ...

Page 28: ...27 7 2 Rear Terminals ...

Page 29: ...28 Connector Descriptions Ser 9 P r e s s t o o p e n t h e t e l e t e x t C C 7 3 Using Remote Control ...

Page 30: ...29 8 Electrical Parts 8 1 System Block Diagram ...

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Page 32: ...31 8 2 Circuit Diagram ...

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Page 39: ...38 2 2 0 ...

Page 40: ...39 No Connection 1 Connection wire for Speaker 2 Connection wire for white LED indicator 3 Connection wire for IR Key pad 4 LVDS wire 5 Connection wire for Backlight ...

Page 41: ...40 9 Measurements and Adjustment 9 1 Operation Guide ...

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Page 47: ...as LVDS map Logo Power White pattern PWM Hotel Mode and Language type PICTURE To adjust the picture settings such as Backlight W B Adjust PQ Nonlinear Color Setting Luma_other Peaking Setting NR Setting CTI Setting Gamma DLC and VIP SOUND To adjust the sound settings such as Sound Mode Volume Curve and Audio Output ADC ADJUST To perform ADC adjusting System Info To view software information Softwa...

Page 48: ... updating will start and the progress bar will be displayed 5 When the update is completed the TV will turn off and on again automatically Note Before performing software update check the version of the current software and the update file first 9 4 Hotel Mode Hotel mode allows user to set certain default settings limit access to certain controls and adjustments so that settings cannot be altered ...

Page 49: ...evel by pressing button on the remote control or VOL button on TV side control panel Press button on the remote control to ensure mute is off Good sound but poor color Adjust the contrast color and brightness settings Poor picture Poor picture quality may occur when an activated S VHS camera or camcorder is connected to your TV and the other peripheral at the same time Switch off one of the periph...

Page 50: ...49 10 2 System Power Check ...

Page 51: ...50 10 3 No Sound No Picture ...

Page 52: ...51 10 4 Audio Problem ...

Page 53: ...52 10 5 Video Problem 1 C h e c k C 6 9 f o r Y ...

Page 54: ...output of boost IC is working normally Verify if the Mainboard output the right On Off signal to power board Verify if the Mainboard output the LVDS singal to panel T con board Verify if the software is the right version of this model Change the LVDS wire to check if it s broken 10 8 Power board not work Verify if the power cord connect well Check if the power supply is working normally Check if t...

Page 55: ...54 Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

Page 56: ...55 Printed in China ...

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