Haier LE32D2320 Service Manual

Haier LE32D2320 Service Manual

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31.5"&38.5"&42"&46" LCD TV
Service
Service
Service
Description
Table of Contents............................................................1
Important Safety Notice...................................................2
Revision List.........................................................3
1. General Specification..................................................4
2. Operating Instructions............................................6
2.1 The Use of Remote Control...................................6
2.2 To Use the Menus...............................................8
2.3 Front Panel Control Knobs..................................23
2.4 How to Connect................................................24
3. Mechanical Instructions.........................................25
4. Repair Flow Chart .............................................37
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
All manuals and user guides at all-guides.com

TABLE OF CONTENTS

Page
5. PCB Layout ...................................................43
5.1 Power Board..................................................43
5.2 Key Board.....................................................50
5.3 IR Board.......................................................50
6. Adjustment.....................................................51
6.1 WB Adjustment............................................51
7. Wiring Diagram......................................................52
8. Schematic Diagram........................................56
8.1 Power Board.................................................56
8.2 Key Board...............................................63
8.3 IR Board...................................................64
SAFETY NOTICE
1
Haier LE32D2320/LE39/42/46D2380
Description
Page

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Summary of Contents for Haier LE32D2320

  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com 31.5″&38.5″&42″&46″ LCD TV Haier LE32D2320/LE39/42/46D2380 Service Service Service TABLE OF CONTENTS Description Page Description Page Table of Contents..……........…..1 5. PCB Layout …………...………………………………43 Important Safety Notice........……..2 5.1 Power Board……..…………..………….…..……..43 Revision List…………………………………………………3 5.2 Key Board………………………..……..………..50 1.
  • Page 2: Important Safety Notice

    All manuals and user guides at all-guides.com Important Safety Notice Proper service and repair is important to the safe, reliable operation of all Haier Company Equipment. The service procedures recommended by Haier and described in this service manual are effective methods of performing service operations.
  • Page 3: Revision List

    All manuals and user guides at all-guides.com Revision List Version Release Date Revision Instructions Customer Model Model LE32D2320 E32C22NKCMH9NNX LE39D2380 E39C22NKCMH9NNX May.24,2012 Initial release LE42D2380 E42C22NKCMH9NNX LE46D2380 E46CS2NKCMH9NNX...
  • Page 4: General Specification

    All manuals and user guides at all-guides.com 1. General Specification Note • This model complies with the specifications listed below. • Designs and specifications are subject to change without notice. • This model may not be compatible with features and/or specifications that may be added in the future.
  • Page 5 All manuals and user guides at all-guides.com...
  • Page 6: Operating Instructions

    All manuals and user guides at all-guides.com 2. Operating Instructions 2.1 The Use of Remote Control...
  • Page 7 All manuals and user guides at all-guides.com...
  • Page 8: To Use The Menus

    All manuals and user guides at all-guides.com 2.2 To Use the Menus Initial SetupWelcome to use the wizard for initial Setup!!Please press [ENTER] to start the wizard. LanguagePlease select your language, press [CH-]/[CH+] to select, press [ENTER] to confirm: Time ZonePlease select your time zone, press [CH-]/[CH+] to select, press [ENTER] to confirm:...
  • Page 9 All manuals and user guides at all-guides.com Tuner TypePlease select your tuner type, press [CH-]/[CH+]to select, press [ENTER] to confirm: Antenna: Set the signal type to antenna. When set to Air, the TV can receive analog and digital (ATSC) broadcasting signals.2.
  • Page 10 All manuals and user guides at all-guides.com 1. Scan: Automatically search for channels. 2. Skip Scan: Skip the scan and enter to the complete interface. Complete INPUT SOURCE Press INPUT to display the input source list, and press [CH-]/[CH+] to select and ENTER to confirm. Using the Remote Control to Display and Navigate the On-Screen Main Menus 1.
  • Page 11 All manuals and user guides at all-guides.com pressing the MENU button will exit the menu. 2. Use the [VOL-] or [VOL+] buttons to highlight the desired menu icon.Press [ENTER] to select it. 3. Use the [CH+] or [CH-] buttons to scroll up and down through the features. 4.
  • Page 12 All manuals and user guides at all-guides.com [Cool] – Select to give the white color a bluish tint. [Standard] – Select to give the white color a neutral tint. [Warm] – Select to give the white color a reddish tint. 1.
  • Page 13 All manuals and user guides at all-guides.com AUDIO 1. Sound Mode : Use the [CH-] or [CH+] buttons to highlight one of the following options, then press[ENTER] to enter the sub-menu and press[VOL-] or [VOL+] to adjust. [User] – Allow you to store your preferred settings. [Standard] –...
  • Page 14 All manuals and user guides at all-guides.com 1. Signal Type : Use the [CH-] or [CH+] buttons to highlight one of the following options, then press [ENTER] to enter the sub-menu and press[VOL-] or [VOL+] to adjust. [Antenna] – Set the signal type to antenna. When set to Air, the TV can receive analog and digital (ATSC) broadcasting signal.
  • Page 15 All manuals and user guides at all-guides.com Time Setup 1. Time Zone : Use the [CH-] or [CH+] buttons to highlight one of the following options, then press [ENTER] to enter the sub-menu and press[VOL-] or [VOL+] to adjust. Set the current time zone. Press [VOL-] or [VOL+] / [ENTER] to adjust. 2.
  • Page 16 All manuals and user guides at all-guides.com [On] – Set the caption display on to display the CC. [OnMute ] – When muted, the CC will be displayed. If audio line out is used, the line out will not be controlled. 2.
  • Page 17 All manuals and user guides at all-guides.com After entering the correct password, you will see the submenu shown below. The default password is “0000”. 1. System Block: Use the [CH-] or [CH+] buttons to highlight one of the following options, then press [ENTER] to enter the sub-menu and press[VOL-] or [VOL+] to adjust.
  • Page 18 All manuals and user guides at all-guides.com [U.S. Movie Rating]–See page 24. [Canadian English Ratings] – See page 24. [Canadian French Ratings] – See page 25. [Open V-chip] – Set the V-chip on. [Clear Open V-chip Data] – Set the V-chip data to default values. [Block Unrated] –...
  • Page 19 All manuals and user guides at all-guides.com may contain intense violence. So locking a higher level option will automatically cause locking the options that has more sensitive level. U.S. Movie Ratings This system defines the rating control which come from MPAA rules. [G] –...
  • Page 20 All manuals and user guides at all-guides.com Canadian French Rating The ratings are for programs which are using French rating system. [G] – General [8 ans+] – Not recommended for younger children [13 ans+] – Not recommended for children under age 13 [16 ans+] –...
  • Page 21 All manuals and user guides at all-guides.com Picture Press MENU to display the menu.Use the [CH+] and [CH-] buttons to select an option. [Play] – Press ENTER to pause or play the music. [Repeat] – None/Repeat One/Repeat All. Press ENTER to select the repeat mode. [Shuffle ] –...
  • Page 22 All manuals and user guides at all-guides.com Music Press MENU to display the menu. Use the [CH+] and [CH-] buttons to select an option. [Pause] – Press ENTER to pause or play the music. [Repeat ] – None/Repeat One/Repeat All. Press ENTER to select the repeat mode. [Shuffle ] –...
  • Page 23: Front Panel Control Knobs

    All manuals and user guides at all-guides.com 2.3 Rear Panel Control Knobs...
  • Page 24: How To Connect

    All manuals and user guides at all-guides.com 2.4 How to Connect 1. HDMI – Connect the primary source for digital video such as a DVD multimedia player or set top box through this all digital connector. 2. PC IN/PC AUDIO – Connect the video and audio cables from a computer here. 3.
  • Page 25: Mechanical Instructions

    All manuals and user guides at all-guides.com 3. Mechanical Instructions LE32D2320 Step1. Remove the STAND BASE. Step2. Remove the REAR COVER.
  • Page 26 All manuals and user guides at all-guides.com Step3. Remove the MAIN BOARD, POWER BOARD and SPEAKERS. Step4. Remove the KEY BOARD.
  • Page 27 All manuals and user guides at all-guides.com Step5. Separate the BEZEL and PANEL and remove the IR BOARD. Step6. Remove the BKT.
  • Page 28 All manuals and user guides at all-guides.com LE39D2380 Step1. Remove the STAND BASE. Step2. Remove the REAR COVER.
  • Page 29 All manuals and user guides at all-guides.com Step3. Remove the MAIN BOARD and POWER BOARD. Step4. Remove the SPEAKERS and KEY BOARD and the IO side iron.
  • Page 30 All manuals and user guides at all-guides.com Step5. Remove the BKT and separate the BEZEL and PANEL. Step6. Remove the KEY BOARD.
  • Page 31 All manuals and user guides at all-guides.com LE42D2380 Step1. Remove the STAND BASE. Step2. Remove the REAR COVER.
  • Page 32 All manuals and user guides at all-guides.com Step3. Remove the HINGE COVER. Step4. Remove MAIN BOARD and POWER BOARD and SPEAKERS.
  • Page 33 All manuals and user guides at all-guides.com Step5. Remove the SPEAKERS and KEY BOARD and the IO side iron. Step6. Remove the BKT and separate the BEZEL and PANEL. Step7.Remove the IR BOARD...
  • Page 34 All manuals and user guides at all-guides.com LE46D2380 Step1. Remove the STAND BASE. Step2. Remove the REAR COVER.
  • Page 35 All manuals and user guides at all-guides.com Step3. Remove MAIN BOARD and POWER BOARD and KEY BOARD. Step4. Remove the SPEAKERS and the IO side iron.
  • Page 36 All manuals and user guides at all-guides.com Step5. Remove the BKT and separate the BEZEL and PANEL. Step6.Remove the IR BOARD...
  • Page 37: Repair Flow Chart

    All manuals and user guides at all-guides.com 4. Repair Flow Chart 1. No power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Power board Replace the power board output=5/5.2V? Check the IR board and LED Replace the IR board Replace the main board...
  • Page 38 All manuals and user guides at all-guides.com 2. Can’t start Can’t start(LED red) Replace the power board Power board output=24V? Replace the key board Check the power key is under control? Replace the IR board Check the IR receiver is normal? Replace the main board Replace the Power board...
  • Page 39 All manuals and user guides at all-guides.com 3. Abnormal Display Abnormal Display Reset the source Check the source Enter factory mode to do “EEPROM initial”&“Reset” Replace the main board Check the main board Check the LVDS cable Replace the LVDS cable Check the panel Replace the panel...
  • Page 40 All manuals and user guides at all-guides.com 4. Sound problem No sound or sound abnormal Check the audio source connection and the TV system are correct? Reinsert the audio cable or change the TV system Check the TV is muted, adjust the volume or enter the menu to reset? Enter factory mode to do “Reset”...
  • Page 41 All manuals and user guides at all-guides.com 5. Remote control malfunction Remote Control malfunction Check the remote control battery is Replace the battery not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is Replace the IR board abnormal? Replace the main board...
  • Page 42 All manuals and user guides at all-guides.com 6. OSD is unstable or can’t work normally OSD is unstable or can’t work normally Key board connected properly? Reconnect the key board Replace the button function Buttons are OK? Replace the key board Key board is OK? Enter factory mode to do “Reset”...
  • Page 43: Pcb Layout

    All manuals and user guides at all-guides.com 5. PCB Layout 5.1 Power Board LE32D2320 715G5508P01000002S...
  • Page 44 All manuals and user guides at all-guides.com...
  • Page 45 All manuals and user guides at all-guides.com...
  • Page 46 All manuals and user guides at all-guides.com LE39D2380 715G5193P01000002H...
  • Page 47 All manuals and user guides at all-guides.com...
  • Page 48 All manuals and user guides at all-guides.com LE42D2380/LE46D2380 715G5246P01W21002S J8536 CN8504 CN8503 J8540 L8101 CN8502 J8533 CN8501 J8532 J8534 J8531 D8120 J8501 J8504 J8507 J8510 J8514 J8517 J8521 J8524 J8537 J8538 J8539 HS9101 J9118 R8175 J8502 J8505 J8508 J8511 J8515 J8518 J8522 J8525...
  • Page 49 All manuals and user guides at all-guides.com MH10 R8145 JR8101 R9315 R8162 R8148 R8177 R9321 R9322 C9346 JR9102 R9313 R9163 C9158 R9159 R9151 R9156 IC9101 JR9101 R9177 R9145 C9145 C9146 R9175 R9149 C9155 R9153 R9176 R9174 R9102 C9162 R9165 R9142 R9150 R9144 R9164...
  • Page 50: Key Board

    All manuals and user guides at all-guides.com 5.2 IR Board 715G5471R01000004B 5.3 Key Board 715G5298K01000004S...
  • Page 51: Adjustment

    All manuals and user guides at all-guides.com 6. Adjustment 6.1 WB Adiustment WB adjust: Choose the component source as the Current Source,Press“menu+8+8+9+3”enter the factory mode, ,then choose the Color temperature and press “OK” to go the mode of color temperature (Cool、 standard、...
  • Page 52: Wiring Diagram

    All manuals and user guides at all-guides.com 7. Wiring Diagram Panel LE32D2320 CN801 12 Pin 395G801304DY32 Harness CN903 395G801313XY29 Panel Harness 395G801840DY09 LVDS cable Power Board Board CN01 4Pin AC IN CN901 5 Pin CN201 Speaker Speaker IR Board...
  • Page 53 All manuals and user guides at all-guides.com LE39D2380 Panel 14 Pin 13 Pin 095G801313DY14 CN902 CN903 Harness 395G801304RY31 Harness Panel 395G801851DY83 LVDS cable Power Board Board CN01 4Pin AC IN CN9901 5 Pin CN201 Speaker Speaker IR Board...
  • Page 54 All manuals and user guides at all-guides.com LE42D2380 Panel Panel 12 Pin 12 Pin CN8502 CN8501 395G801304RY35 Harness Panel 095G801313D909 395G801851DY85 Harness LVDS cable Power Board CN902 Board CN01 4Pin AC IN CN901 5 Pin CN201 Speaker Speaker IR Board...
  • Page 55 All manuals and user guides at all-guides.com LE46D2380 Panel 12 Pin CN8502 395G801304RY33 Harness Panel 095G801313D909 395G801851XY84 Harness LVDS cable Power Board CN902 Board CN01 4Pin AC IN CN901 5 Pin CN201 Speaker Speaker IR Board...
  • Page 56: Schematic Diagram

    All manuals and user guides at all-guides.com 8. Schematic Diagram 8.1 Power Board LE32D2320 715G5508P01000002S BD901 FB9102 BEAD TS6B06G-05-X0 R9114 47 OHM 1/4W RV9901 C9144 C9145 C9103 C9136 C9126 2.2nF 630V 56uf 450V 56uf 450V R9115 47 OHM 1/4W TVR14561KFAOZF...
  • Page 57 All manuals and user guides at all-guides.com C8116 47pF L8101 D8101 R8118 D8103 1M 1/6W 5% MBRD10150D VLED+ +24V LED1 33UH R8119 C8112 C8101 C8102 C8113 150K 1/8W 5% 330UF 35V C8105 C8106 R8116 100UF 63V 100UF 63V 100N 50V 100K 1% 1/4W BAV99 D8104...
  • Page 58 All manuals and user guides at all-guides.com LE39D2380 715G5193P01000002H +24V LED-FB D8512 +12V C8511 C8512 L8501 L8502 MBRF10100CT 150UF 35V 150UF 35V 25UH C8507 LED-S 47UF 50V C8508 100N 50V R8513 R8514 R8515 100K 1/4W 100K 1/4W 100K 1/4W C8510 C8509 220UF 100V 12UF 160V...
  • Page 59 All manuals and user guides at all-guides.com FB9802 FB9301 BEAD D9802 BEAD R9330 R9829 IN5408G-04 T9301 47 OHM 1/4W POWER X'FMR D9801 0.1R R9331 BD9901 L9801 FMNS-1106S 47 OHM 1/4W TS10B06G-06-X0 R9325 R9327 L9902 100K 1/4W 100K 1/4W C9820 1UF 450V C9804 C9332 C9331...
  • Page 60 All manuals and user guides at all-guides.com LE42D2380/LE46D2380 715G5246P01W21002S FB9904 D9802 FB9803 C9905 CN903 IN5408G-04 BEAD 150PF 250V L9801 450UH C9833 BEAD BD9901 FB902 FB9804 FB9801 RV9902 BEAD BEAD BEAD R9330 TVR14561KFAOZF R9329 D9801 T9301 47 OHM 1/4W 47PF FMNS-1106S 0.1R R9331 FB9802...
  • Page 61 All manuals and user guides at all-guides.com D8120 FME-220B 24V-LED VLED L8101 33UH R8154 R8155 C8118 C8108 100K 100K R8156 100UF 100V 100UF 100V 100K R8145 Q8101 300K OHM 1% AOTF454FL R8147 82K +-1% 1/8W R8161 R8177 10 OHM R8157 12V_LED 0R05 R8175...
  • Page 62 All manuals and user guides at all-guides.com IC8501 IC8502 IC8503 LED-COMP COMP LED-COMP LED-COMP FLAG COMP COMP 12V_LED ISET FLAG FLAG LED-1 12V_LED 12V_LED ISET ISET R8501 LED-6 LED-2 C8501 R8502 R8503 11K 1/8W 1% C8502 C8503 PF7700S C8517 C8529 C8523 CN8503 LED-11...
  • Page 63 All manuals and user guides at all-guides.com 8.2 IR Board 715G5471R01000004B 081G 14 24 EL LED201 033G8032 5F HR LED_R R202 220 OHM 1/10W Top View LED_B R203 220 OHM 1/10W CN201 U201 16 mm R201 15K 1/10W Dip LED IRM-H636M3/TR2 C201 CONN...
  • Page 64: Key Board

    All manuals and user guides at all-guides.com 8.3 Key Board 715G5298K01000004S SW01 VOL+ 2.48V~2.72V TACT SW FWRD H1.5MM 7K5 1/8W +/-1% SW02 VOL- 2.04V~2.22V TACT SW FWRD H1.5MM 2K7 1/8W 1% SW03 1.58V~1.79V TACT SW FWRD H1.5MM 1K8 +/-1% 1/8W CN01 SW04 FUNC_KEY...

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