Haier LE32B8000 Service Manual Download Page 10

Page: 10 / 54

Service Manual

Model No.:

- 09 -

3-2-1 Function Description:

Main Board

Process signal which incept from exterior equipment then translate into signal that panel
can display.

Main board connector

Keypad andremote connector (CN202)

Pin number

Signal name

Description

LED_R

LAMP RED

LED_G

LAMP GREEN

3
4

REMOTE CONTROL

GND

POWER FOR REMOTE

KEY1

KEY0

GND

STANDBY

Speaker connector (J17)

Pin number

Signal name

Description

RSPK+

RSPK-

LSPK-

LSPK+

Summary of Contents for LE32B8000

Page 1: ... 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 WARNING LE32B8000 Model No ...

Page 2: ...sassemble and Assemble 4 1 Remove the Pedestal 6 8 8 8 8 10 12 12 4 2 Remove the Back Cover 12 4 3 Remove the Adhesive Tape 12 4 4 Remove the Main Board 13 4 5 Remove the Speaker 13 4 6 Remove the Remote Control Board 14 5 Installation Instructions 15 5 1 External Equipment Connections 15 5 2 HDMI Connections 19 6 Operation Instructions 22 6 1 Front Panel Controls 6 2 Back Panel Controls 6 3 Unive...

Page 3: ...le shooting 40 9 1 Simple Check 40 9 2 Main Board Failure Check 9 3 Panel Failure 40 48 8 1 How to enter into the factory model 8 2 How to update software 37 38 8 Measurements and Adjustments 34 8 3 How to enter into the Hotel Model 39 ...

Page 4: ...ngerous to 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 rain or excessive moisture This TV must not be exposed to dripping or splashing water 1 3 3 Electro static discharge ESD Some semiconductor solid state d...

Page 5: ...ks with which receivers covered by this service manual might be equipped CAUTION eiver 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 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...

Page 6: ...ces Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the ncidence of component damage caused by static by static ...

Page 7: ...elow 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 loose data 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: ... Color Display 16 7M No of Preset Channels OSD Language English Color System PAL SECAM Audio System DK BG I M L L Audio Output Power Built in W 8W 2 Audio Output Power outer W No Total Power Input W 50W Voltage Range V Power Frequency Hz 50 60Hz Net Weight KG 4 7 Gross Weight KG 6 2 Net Dimension MM 733x200x473mm Packaged Dimension MM 802x137x505mm AC 100 240V 1 200 ...

Page 9: ... 08 Service Manual Model No 3 Location of Controls and Components 3 1 Board Location No Description A Board Integration Mainboard 3 2 Main Board A Board ...

Page 10: ...al that panel can display Main board connector Keypad andremote connector CN202 Pin number Signal name Description 1 LED_R LAMP RED 2 LED_G LAMP GREEN 3 4 IR REMOTE CONTROL 5 GND GND 6 5V POWER FOR REMOTE KEY1 KEY0 GND 7 8 9 10 NC STANDBY Speaker connector J17 Pin number Signal name Description 1 RSPK RSPK 2 RSPK RSPK 3 LSPK LSPK 4 LSPK LSPK ...

Page 11: ...3 3 LED Panel 10 Service Manual Model No ST3151A05 5 ...

Page 12: ... LV1N0 1st Channel LVDS Data Input 0 13 LV1P0 1st Channel LVDS Data Input 0 14 GND Ground 15 LV1N1 1st Channel LVDS Data Input 1 16 LV1P1 1st Channel LVDS Data Input 1 17 GND Ground 18 LV1N2 1st Channel LVDS Data Input 2 19 LV1P2 1st Channel LVDS Data Input 2 20 GND Ground 21 LVCK1N 1st Channel LVDS Clock Input 22 LVCK1P 1st Channel LVDS Clock Input 23 GND Ground 24 LV1N3 1st Channel LVDS Data Inp...

Page 13: ...4 Disassemble and assemble Remove the adhesive tape indicated on the faces upward 4 2Remove the Back Cover unit Service Manual Model No 12 4 1 Remove the Pedestal 4 3 Remove the adhesive tape ...

Page 14: ...4 4 Remove the Main board Service Manual Model No 13 CN202 CN800 J17 CN201 4 5 Remove the speaker Take out the speaker PCN4 ...

Page 15: ...4 6 Remove the remote control take out the remote controlboard Service Manual Model No 14 ...

Page 16: ...5 Installation Instructions 5 1 External Equipment Connections Accessories Remote Control User GUIDE Battery Service Manual Model No 15 ...

Page 17: ...puter are Power off 1 Connect VGA and audio cable 2 Connect power cord 3 Power on the TV switch to PC mode 4 Power on the PC This sequence is very important PC Note Aerial connections IEC female Input impendance 75 unbalanced The TV appearance subject to material object LE24B8000 LE32B8000 8 16 ...

Page 18: ...Hz not more than 60Hz 1 2 3 640 480 800 600 60 60 31 47 37 88 RESOLUTION V Freq Hz H Freq KHz 1024 768 60 48 36 PRESET MODE HDMI 1 2 3 800 600 1024 768 60 60 37 88 48 36 RESOLUTION V Freq Hz H Freq KHz 1366 768 60 47 71 4 1280 768 60 47 3 5 1920 1080 60 67 5 4 5 1366 768 60 47 71 1280 1024 60 63 98 6 1920 1080 Only for 40 60 67 5 17 ...

Page 19: ...IDEO EQUIPMENT TO VIDEO INPUTS G B R Y It can be connected to the following appliances VCR multi disc player DVD camcorder video game or stereo system etc YPbPr can support these video fomats 480i 576i 480p 576p 720p 1080i 1080p Note 1 Video and YPbPr share one audio channel 2 When HDMI port get DVI signal the PC Audio channel is changed to receive the audio for HDMI port 3 Sometimes it will not s...

Page 20: ... menu When the source device DVD player or Set Top Box supports DVI How To Connect 1 Connect the source device to HDMI port of this TV with a HDMI to DVI cable not supplied with this product 2 A separated audio connection is necessary 3 If the source device has an analog audio output connector connect the source device audio output to DVI Audio In port located on the PC port How To Use If the sour...

Page 21: ...Cable sample HDMI Cable not supplied with the product HDMI to DVI Cable not supplied with the product Analog Audio Cable Stereo to RCA type not supplied with the product Service Manual Model No 20 ...

Page 22: ...eration on AC Insert the AC cord plug into a standard polarized AC outlet NOTES Use the attached power cord only electrician replace the obsolete outlet simply unplug the unit from the AC outlet and plug it back in The unit should return to normal operation Service Manual Model No 21 ...

Page 23: ... from the PC Audio channel 1 SOURCE Display the input source menu 2 MENU Display main MENU 3 V V Adjust sound level In MENU mode press V or V to adjust the item that you selected 4 CH CH In TV mode press CH or CH to change the channel up and down In MENU mode press CH or CH to select items 5 STANDBY Press this button to turn the unit ON from STANDBY mode Press it again to turn the set back to STAN...

Page 24: ...Note The relevant button doesn t work if TV without teletext NICAM MHL function 6 3 Setting Up Your Remote Control Service Manual Model No 23 ...

Page 25: ... 24 7 Electrical parts 7 1 Service Manual Model No 4 Block Diagram ...

Page 26: ... 25 D 7 2 Circuit Diagram Circuit Diagram Circuit Diagram Service Manual Model No ...

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Page 34: ...ion wire Blacklight Service Manual Model No 7 3 Wiring Connection Diagram NO Name 1 2 3 4 5 Connection Wire For Keyboard and Remote Connection Wire For Speaker LVDS Wire Connection Wire Power Wire 5 2 3 4 1 33 ...

Page 35: ...the cursor to the program press yellow button it will show yellow cursor Press to move the program Skip Press to choose the program press Delete Rename Move Skip blue button to skip this program The icon will show on the right side of the program Choose the skipped program press the blue button again you can cancel the skip Then the icon will disappear 5 Software Update USB Update the TV set s sof...

Page 36: ...reset all the settings to default value 6 USB FUNCTION You must enter the Source menu first then choice the USB and press OK button the USB menu will appear Please make sure that the USB device have plugged in the slot There are four type media item can be selected such as photo music movie and text Select the type media item by pressing press OK button to enter the disk selection menu In the movi...

Page 37: ... display media files and folder list or choose Return to back to the media type selection menu Select the media file by pressing or then the preview frame will pop up Press the button to play the media file in full screen When the media file photo music movie or text type is playing press the OK or INFO button can display the control bar Haier Innovation Life Return C Back EXIT Move Select OK retu...

Page 38: ... menu 3 adjust the color temperature and white balance of each signal source 4 SSC to adjust the spectrum for passing the EMC test 5 special set 1 2hour off for Aging test 2 WDT watch dog 3 white pattern set pure color output for the panel used at the checking and aging test for panel 4 reset 6 Aging for Aging test 6 PEQ set sound EQ 7 sw information to check the sofeware information 8 UART DEBUG ...

Page 39: ...memory J Q Q it from computer s USB port Step 2 F W Upgrade 8 2 How to update software 2 1 AC ON 2 2 then input USB press MENU and choose update software and then press OK 2 3 Now you should choose Yes TV begin to update You should reset TV after update Note When Upgrade on the process please don t Power Off ...

Page 40: ...Channel 6 Start Menu Display 7 Input Source Change 8 Save to USB 9 Load 10 Volume Default Hotel mode switch Panel key lock Hotel mode can adjust the maximum volume Hotel mode locking TV signal source Hotel mode locking program channels Hotel Mode menu is displayed Hotel mode is to display the Source U disk data will be cloned into the machine TV related equipment will be copied to the system U dis...

Page 41: ...Service Manual Model No 9 Trouble shooting 9 1 Simple check 42 ...

Page 42: ...n35 in CN201 No Replace the Q101 Yes Check if there is normal voltage at PEC5 Yes No Check if PU6 Pin5 3 3V Pin19 12V is normal Change LVDS wire No Replace PU6 Check if PQ6 PD14 PR46 is working Yes Replace PQ6 No Service Manual Model No 9 2 Main board failure check 40 Pin3 1 25V PQ14 PR46 ...

Page 43: ...Service Manual Model No 41 C743 C744 CD20 CD28 LD3 LD3 UD3 ...

Page 44: ... 42 PEC6 12V PC28 PD3 PU2 ...

Page 45: ...is correct Poor sound Change sound system No Update the software and make the reboot or change the Mainboard Still having problems For ease of use recommend that customer format the picture and sound settings in the automatic option 43 ...

Page 46: ...system Refer to relative instructions in the Manual for color adjust No No Yes Yes Check out of picture and sound system of this channel Change the channel to the right sound system PAL M N PAL D K No color for some channel program black and white Still having problems Updata the software and make the reboot or change the maiboard 44 ...

Page 47: ... 45 PEC6 PD3 ...

Page 48: ...U202 has the right software and work well 5 Verify if the Y1 Crystal has the right frequency Panel not work 1 check if the voltage input and output of boost IC is working normally 2 Verify if the Mainboard output the right On Off signal to power board 3 Verify if the Mainboard output the LVDS singal to panel T con board 4 Verify if the software is the right version of this model 5 Change the LVDS ...

Page 49: ...check if the power supply if working normally check if the power supply of 5Vstandby is working normally 3 check if the POWER ON OFF voltage is high pressure 4 check if the power supply have 12V 5V output Check if Main board LVDS wire Panel are in good condition 47 ...

Page 50: ...or cracking Dim or L D TCP Sunken TCP lead cracking ACF bonding short Awful environment and something electric enter into LCD Mis align between TCP and Panel Panel failure TCP failure V Dim Vertal gray line V L D Vertical color line light or dark forever H B D Horizontal bar H Dim Horizontal gary line H L D H o r i z o n t a l line light or dark forever ...

Page 51: ...er Bubble Bladder in Polarizer Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F M i n s i d e Polarizer Eyewinker inside Polarizer Eyewinker inside Polarizer Circuit Abnormal Display Abnormal Display 1 Chip lose action 2 IC or bad 3 Pannel and vsc connect bad shot jointion Flashing B r i g h t a n d d a r k display alternately 49 ...

Page 52: ...display Maybe caused by surge current and EDS Black Screen B L normal only Black screen display FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Color Only color abnormal 1 Chip lose action 2 I C s h o r t o r jointion bad 3 Pannel and vsc connect bad ...

Page 53: ...ss between wire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged B L wire damaged Operation abnormal or systemic noise B L wire open Without backlight Operation abnormal or systemic noise B L shut down B L shutdown in sometime Short bitween lamp housing and wire Because consume power too much F M F M inB L white balck Rotundi...

Page 54: ...ription Phenomena Failure cause Mechanlcal or B L Light leakage Brightness at bottom of LCM brighter than normal B L unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage ...

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