Haier LEC32B33200 Service Manual Download

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Sincere Forever

Haier Group

Haier Industrial Park, No.1, Haier Road

266101, Qingdao, China

http://www.haier.com

Printed in China

Summary of Contents for LEC32B33200

Page 1: ...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 Group 2009 Qingdao Haier Electronics Co Ltd All rights reserved Unauthorized co...

Page 2: ...ble 4 1 Remove the Pedestal 7 8 8 8 8 11 12 14 14 4 2 Remove the Back Cover 14 4 3 Remove the Terminal Bracket 15 4 4 Remove the Power Module 15 4 5 Remove the Main Board 15 4 6 Remove the Speaker 16 4 7 Remove the Remote Control Board 16 5 Installation Instructions 16 5 1 External Equipment Connections 16 5 2 HDMI Connections 20 6 Operation Instructions 24 6 1 Front Panel Controls 6 2 Back Panel ...

Page 3: ...oting 43 9 1 Simple Check 43 9 2 Main Board Failure Check 9 3 Panel Failure 44 53 8 TV Operation 36 8 1 How to enter into the factory model 8 2 How to update software 41 42 10 DVD OPERATION 56 11 DVD TROUBLE SHOOTING 60 ...

Page 4: ...ide It is dangerous 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 s...

Page 5: ...receivers covered by this service manual might be equipped CAUTION J 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 by volume i...

Page 6: ...nductor 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 electricity 4 U...

Page 7: ...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 A reference ...

Page 8: ... V Typ Color Display 16 7M No of Preset Channels Cable 1 135 Air 2 69 ATV DTV OSD Language English Color System NTSC Audio System M Audio Output Power Built in W 8W 2 Audio Output Power outer W No Total Power Input W 120W Voltage Range V AC100V 240V Power Frequency Hz 50 60Hz Net Weight KG Gross Weight KG 12 2 Net Dimension MM 793 113 511m m Packaged Dimension MM 980 205 626m m 9 5 ...

Page 9: ... 08 3 Location of Controls and Components 3 1 Board Location 3 2 Main Board No Description A Board Main Board B Board Power Board A Board B Board DH00DLM0000M 514C3207M06 LEC32B33200 ...

Page 10: ... QDPH 9 1 1 8 67 9 high voltage 9 1 32 5 21 2 967 9 9 1 1 1 9 9 Notes J16 Pin 2 Backlight on off The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path CN115 Pin 5 System power on standby System board will use this pin to control system power J16 Pin 3 Control the luminance of backlight The system can generate the PWM signal to control the strength of ...

Page 11: ...03 5 1 5 5 027 21752 1 1 9 32 5 25 5 027 3LQ QXPEHU 6LJQDO QDPH HVFULSWLRQ 1 remote connector J6 Keypad and connector J7 Speaker connector J11 Pin number Signal nameD escription K P S R K P S R 1 K P S R K P S R 2 K P S L K P S L 3 K P S L K P S L 4 ...

Page 12: ...3 3 Power Board 3 3 1 Function Description Supply power for Main board Panel 11 1 1 3LQ QXPEHU 6LJQDO QDPH 3LQ QXPEHU 6LJQDO QDPH 1 1 1 9 9 32 5 21 2 967 9 9 ...

Page 13: ...3 4 LCD Panel 12 MTC315LED D01H PANDA LM315TA T01 ...

Page 14: ...IHUHQWLDO GDWD LQSXW 9 6 5 1 3RVLWLYH 9 6 GLIIHUHQWLDO GDWD LQSXW 9 6 1 URXQG 5 1 1HJDWLYH 9 6 GLIIHUHQWLDO GDWD LQSXW 9 6 5 1 3RVLWLYH 9 6 GLIIHUHQWLDO GDWD LQSXW 9 6 1 URXQG 5 1 1HJDWLYH 9 6 GLIIHUHQWLDO GDWD LQSXW 9 6 5 1 3RVLWLYH 9 6 GLIIHUHQWLDO GDWD LQSXW 9 6 1 URXQG 1 ORFN 6LJQDO 9 6 1 ORFN 6LJQDO 9 6 1 URXQG 5 1 1HJDWLYH 9 6 GLIIHUHQWLDO GDWD LQSXW 9 6 5 1 3RVLWLYH 9 6 GLIIHUHQWLDO GDWD LQ...

Page 15: ...4 Disassemble and assemble 4 1 Remove the Pedestal Remove the adhesive tape indicated on the _ faces upward 4 2Remove the Back Cover unit 14 4 3 Remove the adhesive tape ...

Page 16: ...4 4 Remove the power module 4 5 Remove the Main board 15 J J6 J7 J9 J15 J16 J5 J3 J11 J17 4 6 Remove the speaker Take out the speaker ...

Page 17: ...4 7 Remove the remote control take out the remote control board 16 5 Installation Instructions 5 1 External Equipment Connections Accessories Remote Control User GUIDE Battery ...

Page 18: ...nbalanced STEPS PC Be sure both the TV and computer are set to Power off 1 Connect VGA and audio cable 2 Connect the power cord 3 Power on the TV switch to PC mode 4 Power on the PC This sequence is very important HDMI1 HDMI2 USB VGA HEADPHONE RF PC AUDIO COAXIAL 17 ...

Page 19: ...00 800 600 1024 768 1024 768 1024 768 1280 1024 1280 1024 70 60 75 60 75 60 70 75 60 75 31 47 31 47 37 50 37 88 46 88 48 36 56 48 60 02 63 98 80 00 RESOLUTION V Freq Hz H Freq KHz Y Pb Pr VIDEO AC INPUT 100 240V 50 60Hz L R COMPOSITE COMPONENT 11 1366 768 60 80 00 18 ...

Page 20: ...rmats 480i 576i 480p 576p 720p 1080i You can use the input terminals on TV set rear as follows HDMI Yellow video White audio L Red audio R or Pr Y W R W R G B R Blue Pb Green Y B G VIDEO EQUIPMENT with YPbPr W R G B R W R W R TO AUDIO OUTPUTS VIDEO EQUIPMENT TO VIDEO OUTPUTS HDMI1 HDMI2 USB VGA HEADPHONE RF PC AUDIO COAXIAL Y Pb Pr VIDEO AC INPUT 100 240V 50 60Hz L R COMPOSITE COMPONENT 19 ...

Page 21: ... Main source 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...

Page 22: ...VI Cable not supplied with the product Analog Audio Cable Stereo to RCA type not supplied with the product Connecting Headphones You can connect a set of headphones to your set if you wish to watch a TV programmer without disturbing the other people in the room 21 ...

Page 23: ...vided for operation 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 22 ...

Page 24: ... right POWER SOCKET VIDEO AUDIO INPUT YPbPr INPUT Note AV and YPbPr share one audio channel SIDE Connections All the terminals are from left to right HDMI1 HDMI2 USB VGA HEADPHONE PC AUDIO COAXIAL RF Note 1 When HDMI1 has an input signal coming from a DVI source then the audio input signal must be connected to the PC audio input 2 When HDMI2 has an input signal coming from a DVI source then the au...

Page 25: ...s the previously viewed program 11 ENTER Confirms selection 12 TV DISPLAY Displays removes the program Information 13 S M To switch sound mode 14 CH CH To access the next or previous Program 15 ASPECT To change picture aspect 16 CH LIST Used to display the channel list Eject or Insert the disc 17 EPG Display all the information of DTV programs 18 FAV Used to access your favourite channels in digit...

Page 26: ...8 33R R98 33R C32 47nF C32 47nF R124 75R R124 75R C30 47nF C30 47nF R905 100R R905 100R R115 22K R115 22K R163 1K R163 1K R114 22K R114 22K R903 10K R903 10K R127 12K R127 12K R97 33R R97 33R C48 560pF C48 560pF R167 1K R167 1K C503 0 1uF C503 0 1uF R919 10K R919 10K R901 100R R901 100R R125 75R R125 75R C504 0 1uF C504 0 1uF CN8 DIP 14 2 7 CN8 DIP 14 2 7 1 1 3 3 5 5 7 7 9 9 11 11 13 13 2 2 4 4 6 ...

Page 27: ...1 220nH LS11 220nH LS16 220nH LS16 220nH C71 NC 10uF C71 NC 10uF RS25 0R RS25 0R B1 GND B0 A S VCC U29 FSA3157P6X B1 GND B0 A S VCC U29 FSA3157P6X 1 2 3 4 5 6 R438 10K R438 10K RS3 10K RS3 10K CS20 2 2uF CS20 2 2uF ADJ OUT IN US2 AMS1117 ADJ ADJ OUT IN US2 AMS1117 ADJ 3 2 1 4 R153 150R R153 150R CS28 100uF 16V CS28 100uF 16V LS10 120ohm_FB LS10 120ohm_FB CS31 39pF CS31 39pF CS8 4700pF CS8 4700pF R...

Page 28: ... R789 NC 10K C124 470pF C124 470pF R366 0R R366 0R Q35 3904 Q35 3904 1 2 3 EC12 100uF 25V EC12 100uF 25V 1 2 C706 NC 1nF C706 NC 1nF R299 0R R299 0R R239 4 7K R239 4 7K R242 10K R242 10K R236 10K R236 10K R249 0R R249 0R EC11 470uF 16V EC11 470uF 16V 1 2 FB703 NC FB 1206 FB703 NC FB 1206 C705 NC 1uF C705 NC 1uF C730 NC 220nF C730 NC 220nF C743 NC 1uF C743 NC 1uF Q22 3904 Q22 3904 R233 100R R233 10...

Page 29: ... C156 NC 10nF U8 NC TPS2051D U8 NC TPS2051D 1 2 3 4 8 7 6 5 R204 NC R204 NC R318 100K R318 100K R321 4 7K R321 4 7K E80 V800AA E80 V800AA R205 NC R205 NC J17 CON4 J17 CON4 1 2 3 4 C118 100uF 16V C118 100uF 16V R323 NC R323 NC Q34 3904 Q34 3904 1 2 3 R200 NC R200 NC R326 10K R326 10K R194 NC 51K R194 NC 51K E81 V800AA E81 V800AA R195 NC 100K R195 NC 100K R158 5 1R R158 5 1R R201 NC R201 NC EC99 NC ...

Page 30: ... MSAV3207 K3 TITLE DDR2_16 CHECKED Date Feb 3 2010 APPRD SHEET 5 OF 9 VER 1 0 Vpp 200mv C433 1UF C433 1UF 7 5 3 1 8 6 4 2 RP18 75RX4 7 5 3 1 8 6 4 2 RP18 75RX4 R13 75R R13 75R 7 5 3 1 8 6 4 2 RP2 22RX4 7 5 3 1 8 6 4 2 RP2 22RX4 C430 0 1uF C430 0 1uF C446 10nF C446 10nF R83 100R R83 100R C431 0 1uF C431 0 1uF U9 DDRII512M P3R12E4JFF G8E U9 DDRII512M P3R12E4JFF G8E A0 M8 A1 M3 A2 M7 A3 N2 A4 N8 A5 N...

Page 31: ...IO 37 A CKE D19 PAD_IO 40 A BA2 E19 PAD_IO 39 A BA0 D20 PAD_IO 42 A AD10 F19 PAD_IO 41 A AD1 E20 PAD_IO 44 A AD3 F21 PAD_IO 46 A AD9 G19 PAD_IO 43 A AD5 F20 PAD_IO 35 A AD12 G20 PAD_IO 45 A AD7 G21 PAD_IO 24 A LDQSM A16 R129 100R R129 100R C140 10nF C140 10nF R556 100R R556 100R R180 2K R180 2K R164 4 7K R164 4 7K L49 FB 60R 0 3A LC0603 L49 FB 60R 0 3A LC0603 R304 4 7K R304 4 7K R72 10K R72 10K R5...

Page 32: ...22K R335 22K E65 NC E65 NC E53 NC E53 NC Q301 NC 2N7002 Q301 NC 2N7002 3 1 2 E39 NC E39 NC R351 10K R351 10K CN3 HDMI CN3 HDMI DATA2 1 DATA2 SHIELD 2 DATA2 3 DATA1 4 DATA1 SHIELD 5 DAT1A 6 DATA0 7 8 DATA0 SHIELD DATA0 9 CLK 10 CLK SHIELD 11 CLK 12 CEC 13 NC 14 SCL 15 SDA 16 DDC CEC GND 17 5V POWER 18 HOT PLUG 19 20 GND1 21 GND2 22 GND3 23 GND4 E62 NC E62 NC R310 100R R310 100R CN1 DIP 20 2 10 CN1 ...

Page 33: ...29 220R R29 220R E15 NC E15 NC R92 10K R92 10K E35 NC V800AA E35 NC V800AA C492 1nF C492 1nF R88 75R R88 75R Q11 3906 Q11 3906 1 3 2 E27 NC V800AA E27 NC V800AA R31 1K R31 1K C35 47nF C35 47nF R136 12K R136 12K R346 NC R346 NC C485 47nF C485 47nF R131 10K R131 10K E2 NC E2 NC R27 150R R27 150R R544 33R R544 33R R551 68R R551 68R R214 12K R214 12K R85 47k R85 47k R143 75R R143 75R CN11 CN11 1 2 3 4...

Page 34: ...R25 220R C171 10uF C171 10uF R208 0R R208 0R Q3 3904 Q3 3904 1 2 3 R2 NC R2 NC C19 0 1uF C19 0 1uF ADJ OUT IN U2 AMS1117 3 3 ADJ OUT IN U2 AMS1117 3 3 3 2 1 4 Q37 3904 Q37 3904 1 2 3 C999 0 1uF C999 0 1uF R33 220R R33 220R R5 0R R5 0R U3 AMS1117 3 3 U3 AMS1117 3 3 VIN 3 VOUT 2 ADJ 1 TAB 4 R294 100R R294 100R R209 NC R209 NC Q2 3904 Q2 3904 1 2 3 J16 5p 2 0 inverter J16 5p 2 0 inverter 1 1 2 2 3 3 ...

Page 35: ...O N ame 1 2 3 4 5 6 7 Connection Wire For Keyboard and Remote Connection Wire For Speaker Connection Wire Control for Backlight on off LVDS Wire Connection Wire Power For Mainboard Connection Wire Control for DVD POWER Connection Wire Control for DVD ...

Page 36: ... press MENU to exit 1 Sound Mode Select the user sound mode Standard News Music Theater Sports Custom 2 Bass Adjust to increase or decrease lower pitched sounds 3 Treble Adjust to increase or decrease higher pitched sounds 4 Balance Adjust to emphasize left or right speaker balance 5 Surround Turn on or off the simulated surround sound feature 6 AVL Auto Volume Leveler This will reduce the differe...

Page 37: ...nguage D Sexually suggestive dialog Suggested age TV Y All children TV Y7 Direct to order children TV G General audience TV PG Parental Guidance suggested TV 14 Parents strongly cautioned TV MA Mature audience only X X X X X X X X X X X X Content 2 MPAA switch the movie rating control level N A G PG PG 13 R NC 17 X Rating Description Age G General audiences All Ages admitted PG Parental Guidance s...

Page 38: ...ut may be integrated into the plot in a humorous or unrealistic manner 8ans General but inadvisable for young children May be viewed by a wide public audience but could contain scenes disturbing to children under 8 who cannot distinguish between imaginary and real situations Recommended for viewing with paren tal guidance 13ans Over 13 years Could contain scenes of frequent violent scenes and inte...

Page 39: ...ss to select VGA Settings press and the screen shown below will be displayed Select Adjust Menu Exit H pos V pos Clock Phase 50 Auto 50 50 50 4 Channel MENU Here you add skip TV channels and customize displayed channel info Press to select press to adjust Select Adjust Menu Exit Air cable Auto Scan Air Favorite Show Hide Channel NO Channel Lable DTV signal Good 2 1 Select Adjust Menu Exit Are you ...

Page 40: ...reen shown below will be displayed USB C Photo Music Everything I do mp3 C laoge 17 001 018 Total size 3 7 GB Unused size 3 7 GB Sealed With A Kiss mp3 mp3 mp3 mp3 mp3 mp3 mp3 mp3 Everything I do mp3 Title Artist Album Year Bit Rate 128kbps Play 05 49 06 33 Random Use select the jpg files or folders to display the photo or open the folder EXIT to stop playing or go to the menu press ENTER press pr...

Page 41: ... the key exit to shut the factory setting Content 1 ADC setting set ADC value of YUV VGA It can also be auto set Adopt 100 color bar to yuv and Checkerboard signal to vga 2 Color Temp 3 Video Quality 4 Sound Quality 5 Curve Setting 6 Aging Mode 7 Other Setting 8 SW Upgrade 9 Shipment 7KH UVW OLQH LV 6 9HU 1R ...

Page 42: ...o update You should remove the USB memory and reset TV after update Note When Upgrade on the process please don t Power Off Haier MSD318QT F W upgrade with USB SOP Step 1 Ready for F W Upgrade 1 1 Prepare a USB memory RS WKH VRIWZDUH OH PHUJH IURP RXU FRPSXWHU WR WKH 86 PHPRU DQG UHPRYH LW from computer s USB port Step 2 F W Upgrade 2 1 AC ON 8 2 How to update software ...

Page 43: ... 43 9 Trouble shooting 9 1 Simple check ...

Page 44: ...ce Manual Model No 9 2 Main board failure check 1 Black creen 2 White screen 6 J15 2 11 2 on VCC pins of J9 Check if Q31 is working Check if J9 is Signal on J9 Check Q2 Q3 and the 5 Is power LCD normal J2 44 ...

Page 45: ...Service Manual Model No 45 3 Panel display abnormally connector is at normal level J9 ...

Page 46: ...d Check the speakers Y N Check if there is output at J11 Check if there is 12V input at PIN of U19 Check if the power supply system is damaged short circuit or mis connected N Y Check if MUTE PIN7 of U19 is low voltage Check the volume control circuit from U19 Y N Check if there is signal input at PIN1 PIN12 of U19 Check the volume input circuit from U8 to N Y Replace U19 U19 8 ...

Page 47: ...IN2 of U24 N Y Y Y N Check the power supply circuit to this PIN2 Check if there is intermediate frequency signal output at PIN12 of Check if there is I2C signal at PIN4 PIN7 of TUNER1 Check the I2C circuit between U1 1 and Check the tuner Check the signal circuit between U1 1 and Fix the RF set N 4 U24 4 U24 4 U24 4 ...

Page 48: ... picture or picture abnormal HDMI no picture or picture abnormal If CN2 is disconnected Re solder it Re solder them Check Q35 and the circuit around it Check if R301 R310 R319 R317 R351 R338 are un soldered Y Y Y Y Y Y Y Y N N N N N N N N ...

Page 49: ... no picture or picture abnormal PC no picture or picture abnormal Picture abnormal AUTO ADJUST NO SIGNAL Check the VGA cable Check the circuit from PIN14 PIN13 to U11 Check the RGB circuit from PIN1 PIN2 PIN3 to U11 Replace U11 N N N ...

Page 50: ...RT NO Picture or picture abnormal YPBPR AV SCART All NO SIGNAL Check power 8 YPBPR AV SCART NO Picture or picture abnormal 8 YPBPR AV SCART NO Picture or picture abnormal YPBPR SCART RGB color sast Check Y PB PR or R G B input circuit N N N N ...

Page 51: ...be 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 52: ... 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 ahort or jointiog bad 3 Pannel and vsc connect bad Flashing B r i g h t a n d d a r k display alternately ...

Page 53: ... 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 54: ...n Connect badness 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 whit...

Page 55: ...omena 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 ...

Page 56: ...ories Confidential Unpublished Works 1992 1997 Dolby Laboratories Inc All rights reserved 9 Multi angle Caution This DVD Player has a Class 1 laser which may be harmful to your eyes Do not attempt to disassemble the cabinet or make any adjustments Refer all servicing to a qualified professional Features Disc formats supported by this player CH LIST How to play a DVD disc 1 Change the TV input sour...

Page 57: ...V System Select the aspect ratio Select the TV system F r more information on output format refer to the instructions or your TV set Notes o RATING SETUP Rating Select in the setup menu and display the Rating submenu The image display ratio is related to the recorded disc format Somes discs can not display images in the aspect ratio you choose If you play a disc recorded in 4 3 format on a wide sc...

Page 58: ...tton Select the categories of files that are displayed in the browser list Change the repeat playing mode Select different play mode Play chapters tracks in normal order Play tracks chapters in a random order until all tracks chapters have been played Program tracks chapters to play When you select the mode press to directory and press to choose the desired track Select Select and select to cancel...

Page 59: ... menu When a DVD SVCD VCD is playing press the RETURN button to return to the menu PBC ON only This function must be supported on the disc DISPLAY ENTER REV FWD PREV PREV NEXT NEXT STOP Play Pause REPEAT Press this button to show the information of the current disc Press the button to confirm your choice on the screen During DVD CD MP3 or VCD playback press REV to scan in reverse Press PLAY PAUSE ...

Page 60: ...ED Ensure the disc is not warped damaged or deformed Ensure the disc is not badly stained or damaged Ensure the disc format is compatible with the player Please check whether you have tried to play a software CD If so please restart the player REMOTE NOT WORKING Ensure the batteries in the remote control are working Point the remote control directly at the player s IR sensor Remove any obstacles b...

Page 61: ...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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