Haier 42E3500a Service Manual
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Haier 42E3500a Service Manual

Haier 42E3500a Service Manual

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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.
SERVICE MANUAL
WARNING
Model No.
MSD3393
LED TV
42E3500a
Chassis

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Summary of Contents for Haier 42E3500a

  • Page 1 SERVICE MANUAL LED TV 42E3500a Model No. MSD3393 Chassis WARNING 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.

  • Page 2: Table Of Contents

    Service Manual Model No.: Chapter 1: General Information 1-1. Table of Contents 1. General Information................1-1. Table of Contents 1-2. General Guidelines 1-3. Important Notice 1-4. How to Read this Service Manual ..................3. Location of Controls and Components........... 3-1. Board Location 3-2.
  • Page 3 Service Manual Model No.: 8. Measurements and Adjustments..…………......8-1. How to enter into the factory model 8-2. How to update software 8-3. How to enter into the Hotel Model 9. Trouble-shooting………….............. 9-1. Simple Check 9-2. Main Board Failure Check 9-3. Panel Failure - 02 -...

  • Page 4: General Guidelines

    Service Manual Model No.: 1-2. General Guidelines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 5 Service Manual Model No.: 1-3-6 Safety Check after Repairment in the original positions, or whether there are the positions which are deteriorated around the serviced places serviced or not. Check the insulation between the antenna terminal or external metal and the AC cord plug blades. And be sure the safety of that. General Servicing Precautions 1.
  • Page 6 Service Manual Model No.: Electrostatically Sensitive (ES) Devices 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"...

  • Page 7: How To Read This Service Manual

    Service Manual Model No.: 1-3-8. Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products, which may differ from your products in some way. 1-4. How to Read this Service Manual Using Icons: each icon is described in the table below: Note:...
  • Page 8 Service Manual Model No.: Model 40E3500a Screen Size 42 inch Aspect Ratio 16:9 Resolution 1920*1080 5.0 (GRAY TO Response Time (ms) GRAY) Angel of View 176o Color Display 16.7M Cable :1-135 No. of Preset Channels Air: 2-69 (ATV&DTV) OSD Language English Color System NTSC...

  • Page 9: Location Of Controls And Components

    Service Manual Model No.: 3. Location of Controls and Components 3-1 Board Location A Board B Board Description A Board Mainboard Power Supply B Board 3-2 Main Board - 08 -...
  • Page 10 Service Manual Model No.: 3-2-1 Function Description: Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. 3-2-2 Connector definition Main board connector Power connectors (J 16) Pin number Signal name BL-ADJUST BL-ON/OFF POWER ON/OFF +5VSTB +12V...
  • Page 11 Service Manual Model No.: Keypad and remote connector (J 2) Pin number Signal name Description KEY1 KEY0 POWER FOR REMOTE REMOTE CONTROL STANDBY LED_G LAMP GREEN LED_R LAMP RED Speaker connector (J 17) Pin number Signal name Description RSPK+ RSPK+ RSPK- RSPK- LSPK-...

  • Page 12: Power Board

    Service Manual Model No.: 3-3. Power Board 3-3-1 Function Description: Supply power for Main board, Panel. 3-3-2Connectordefinition CON201 Pin number Signal name POWER ON/OFF +5VSTB +12V +12V - 11 -...
  • Page 13 Service Manual Model No.: 3-4. LED Panel INL/V420HJ2-P01 - 12 -...

  • Page 14: Lcd Panel

    Service Manual Model No.: 3-4-1.Connector de finition Name Description Note No connection I2C clock (For Vcom tunning) I2C data (For Vcom tunning) No connection No connection No connection SELLVDS LVDS data format Selection (3)(4) No Connection No Connection No connection Ground ORX0- Odd pixel Negative LVDS differential data input.

  • Page 15: Disassemble And Assemble

    Service Manual Model No.: 4. Disassemble and assemble 4-1 Remove the Pedestal faces upward 4-2Remove the Back Cover unit. 4-3. Remove the adhesive tape Remove the adhesive tape indicated on the - 14 -...

  • Page 16: Remove The Main Board

    Service Manual Model No.: 4-4 Remove the Main board J1 J2 J16 J17 4-5 Remove the speaker Take out the speaker - 15 -...

  • Page 17: Remove The Remote Control Board

    Service Manual Model No.: 4-6 Remove the remote control take out the Remote Control and Keypad Assembly 4-7 Remove the Power Supply - 16 -...

  • Page 18: Installation Instructions

    Service Manual Model No.: 5. Installation Instructions 5-1 External Equipment Connections Accessories Battery User GUIDE Remote Control Antenna Connection Connect one end of a coaxial cable (not included) to the ANT IN jack on the back of your TV/DVD combo, then connect the other end of the cable into the antenna or cable TV wall outlet.
  • Page 19 INSTALLATION ANTENNA Note: Aerial connections: IEC (female). Input impendance: 75 unbalanced. STEPS: Be sure both the TV and computer are powered off. 1.Connect a VGA and audio cable. 2.Connect the power cord. 3.Turn on the TV, switch to PC mode. 4.Turn on the PC.
  • Page 20 INSTALLATION PRESET MODE V.Freq.(Hz) H.Freq.(KHz) RESOLUTION 640*480 31.47 800*600 37.88 48.36 1024*768 1280*1024 63.98 1366*768 47.71 67.50 1920*1080 - 19 -...
  • Page 21 INSTALLATION AV EQUIPMENT There are three HDMI ports located on the back of your TV. You can connect a Blu-ray player, DVD player, or other video equipment through these ports. The HDMI2 port is MHL enabled. You can connect MHL devices, such as the compatible mobile phones and tablets.

  • Page 22: Hdmi Connections

    Service Manual Model No.: 5-2 HDMI Connections When the source device(DVD player or Set Top Box) supports HDM How To Connect 1. Connect the source device to HDMI port of this TV with an HDMI cable(not supplied with this product). 2.
  • Page 23 Service Manual Model No.: 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) - 22 -...

  • Page 24: Back Panel Controls

    Service Manual Model No.: Power source TO USE AC POWER SOURCE Use the AC polarized line cord provided 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.

  • Page 25: Operation Instructions

    S e r v i c e M a n u a l M o de l No. : 6. Operation Instructions Basal information Front panel Panel keys SOURCE MENU V- CH- CH+ Standby 1．SOURCE： Display the input source menu. 2．MENU：...

  • Page 26: Universal Remote Control

    Service Manual Model No.: 6-3 Setting Up Your Remote Control 1.Press to turn on and off the TV. 2.USB: Press to launch the USB multimedia mode. 3.Select a closed caption option. 4.Press to input a channel. 5.Press to select the digital sub-channels.For example, to enter “54-3”, press“54”,“●”, and then “3”.

  • Page 27: Electrical Parts

    Model No.: Model No.: CVBS0 LINEIN_L0/R0...
  • Page 29 FB FB E-PAD Test MARK MARK LINEIN_L4 HDMI2-RX0P AUL4 RX0P_B LINEIN_R4 HDMI2-RX0N AUR4 RX0N_B LINE3OUT_L HDMI2-CLKP AUOUTL3 RXCP_B LINE3OUT_R HDMI2-CLKN AUOUTR3 RXCN_B LINE0OUT_L HDMI0-RX2P AUOUTL0 RX2P_D LINE0OUT_R HDMI0-RX2N AUOUTR0 RX2N_D IFAGC HDMI0-RX1P IFAGC RX1P_D VIFP HDMI0-RX1N VIFP RX1N_D VIFM HDMI0-RX0P VIFM RX0P_D HDMI0-RX0N...
  • Page 30 10pF CD68 10pF CD68 10pF CD69 10pF CD69 10pF CD70 10pF CD70 RD113 RD113 -IN R -IN L RD114 RD114 OU T R OU T L RD115 RD115 U VP PVSS PVD D 10K RD79 RD79 10K RD80 RD80 75R RD81 RD81 75R RD82 RD82...
  • Page 31 CD163 CD163 2.2uF 2.2uF LD27 LD27 330nH 140mA 330nH 140mA 10pF CD164 10pF CD164 47nF CD165 47nF CD165 47nF CD166 47nF CD166 LD28 LD28 220nH 120mA 220nH 120mA GPO1 VCC(RF) TESTIN1 GPO2 XTAL_P GND(IF) XTAL_N VCC(IF) TESTIN2 TESTIN3 VIFAGC_D VIFAGC_A...

  • Page 32: Wiring Connection Diagram

    Service Manual Model No.: 7-2 .Wiring Connection Diagram NO.N Connection Wire(For Speaker) Connection Wire(Power For Mainboard) LVDS Wire Connection Wire(For Remote and Keyboard) - 31 -...

  • Page 33: Measurements And Adjustments

    Service Manual Model No.: Measurements and Adjustments 1. PICTURE MENU Note: In this menu, you can adjust the picture options, Audio language is available in ATSC/TVmode only. such as contrast, brightness, etc. Auto volume is available only when the input signal Press to select, press OK to adjust.
  • Page 34 OPERATION 4.LOCK MENU And use the key to lock/unlock Parental In this menu, you can change the password and adjust Controls the vchip settings. Enter the password, to enter the lock menu. The 2) MPAA: Switching the movie-rating control level; factory default password is 0000.
  • Page 35 You can display the Music and Photo fil s by using the violent scenes and extreme violence. USB port that is located on the rear panel: 4.5 RRT setting Haier Innovation Life ATSC digital TV mode, it can be adjusted 4.6 Reset RRT: Press to reset the RRT settings to the factory default values.

  • Page 36: How To Enter Into The Factory Model

    Service Manual Model No.: 8.1 How to enter into the factory model 8.1 How to enter into the factory model 8.1 How to enter into the factory model 1. You can press "source-2-5-8-0" to go into factory setting. Presse the key "exit" to shut the factory setting.

  • Page 37: How To Update Software

    Service Manual Model No.: 8.2 How to update software Haier MSD3393 F/W upgrade with USB SOP Step 1: Ready for F/W Upgrade 1.1 Prepare a USB memory . 1.2 Copy the software file (merg.bin) from your computer to the USB memory, and remove it from computer’s USB port!

  • Page 38: How To Enter Into The Hotel Model

    Service Manual Model No.: 8.3 How to enter into the hotel model 1. You can press "source-1-0-0-1" to go into the hotel model. Presse the key "exit" to shut the hotel model. Content: 1.Hotel Mode: Hotel mode switch Panel key lock 2.Panel Key Lock: Hotel mode can adjust the maximum volume 3.Max Volume:...

  • Page 39: Trouble-Shooting

    Service Manual Model No.: 9. Trouble shooting 9-1. Simple check - 38 -...

  • Page 40: Main Board Failure Check

    Service Manual Model No.: 9-2. Main board failure check No picture but ave sound Replace the main board. Check if there is aboat +3V at PIN2,PIN3 of J16 Check if there is +12V at Pin35 in J1 Replace Change LVDS wire Still having Change Panel problems...
  • Page 41 Service Manual Model No.: No sound but have picture Check if there is Check the input source sound input signal check the signal input Check if there is signal at C715 and RC728 circuit of C715,C728 check the signal input 、...
  • Page 42 No sound No picture Check if the voltage pressure of J16 Pin5 is high Change U1 voltage pressure (More than 2.5V) Check if there is voltage pressure in the J16 . Change POWER board pin7/pin8 （5V ）， pin12/pin13 （12V） Check if the voltage pressure of LD23(1.2V), U104(1.8V), Change UD9,U104 or UD8 LD22(3.3V),...
  • Page 43 No sound No picture No light Check if the power cord Connect the is correctly connected power cord to the socket Check if there is voltage Replace the Power board pressure in pin6 of J16 (5V), other: can' t control Check if LD23（1.2V ）、...
  • Page 44 Poor sound Poor sound Verify if sound system is Change sound system correct . For ease of use, recommend that customer format the picture and sound settings in the automatic option. Update the software and Still having make the reboot; problems or change the Mainboard...
  • Page 45 No color for some channel program (black and white) No color for some channel program (blac and white) Verify if the same Check out of picture and sound problem exists in system of this channel other channels Change the channel to the right check out of picture sound system (PAL-M/N NTSC-M) and sound system...
  • Page 46 How to know whether the Power board is broken? Check if the power cord Reconnect the power cord with the outlet to Power board. connect well? Power on and check if Check if the break in the power 5V standby on the circuit Power board exists ? Check if there is high...
  • Page 47 3. Other problem  Mainboardnot work  1.check if the power supply have 12V and 5V output. 2.Verify if the DC/DC convertors have the right output (3.3V,1.8V,1.2V).  3.Verify if the Mainchip(MSD6306PUS), DDR2, AudioAMP…solder well;   4.Verify if the FLASH(U18) has the right software and work well; 5.Verify if the Y1(Crystal) has the right frequency ...

  • Page 48: Panel Failure

    Service Manual Model No.: 9-3. Pannel failure Failure Mode Part Name Description Phenomena Failure cause Block Defect :TCP cracking or cracking Dim or L/D :TCP Sunken V B/D Vertical bar :TCP lead cracking :ACF bonding short :Awful environment and something electric enter V Dim Vertal gray line into LCD...
  • Page 49 Service Manual Model No.: Part Name Description Phenomena Failure cause I n c o m i n g I n s p e c t i o n Standard Bright dot dark dot in Dot Defect pannel Bladder between Polarizer and top glass Polarizer Bubble Bladder in Polarizer...
  • Page 50 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause White Screen B/L normal, only white screen display M a y b e c a u s e d by surge current Black Screen B/L normal, and EDS only Black screen display FIIcker...
  • Page 51 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Mechanlcal When Caused Nolse turn panel,appear b y M e c h a n i c a cacophony noise of backlight unit Ripple Connectric circle Causeed by between mechanism and pannel B/L off...
  • Page 52 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Brightness B/L unit badness at bottom of LCM Light leakage brighter than normal B / L b r i g h t n e s s Sheet in B/L unit Mechanlcal or B/ is uneven asymmetric...
  • Page 53 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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