Download
Share
Print this page
Haier LE22D10 Service Manual
  1. Manuals
  2. Brands
  3. Haier Manuals
  4. LED TV
  5. LE22D10
  6. Service manual
Haier LE22D10 Service Manual

Haier LE22D10 Service Manual

Mst 318 chassis
Hide thumbs

Advertisement

Quick Links

Download this manual
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
Model No.
WARNING
©2011 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.
Haier Group
LED TV
LE22D10
MST 318
Chassis

Advertisement

loading

Related Manuals for Haier LE22D10

Summary of Contents for Haier LE22D10

  • Page 1 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. ©2011 Qingdao Haier Electronics Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • 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.: . Trouble-shootin ………….............. 8-2. Main Board Failure Check 8-3. 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 LE22D10 Screen Size 21.5inch Aspect Ratio 16:9 Resolution 1920x1080 5 (GRAY TO Response Time (ms) GRAY) Angel of View 16.7 16.7 Color Display No. of Preset Channels 200 OSD Language English/Korean ATSC/NTSC Color System Audio System Audio Output Power 3W×2...

  • Page 9: Power Board

    Service Manual Model No.: o d o Main oard DH1KM0M0600M A Board B Board Power oard 0113050443 9:KEY IR 6:PANEL BOARD Control POWER POWER IN LVDS HDCP HDMI IN 13:A DIO 12:INVERTER S-VIDEO YPBPR RL COA A DIO IN SPEAKER - 0 -...
  • Page 10 Service Manual Model No.: 3-2-1 Function Description: Process signal which incept from exterior equipment then translate into signal that panel can display. Main oard connector ON/OFF Power On/Off 5V STB 5V DC Power Supply when Stand y Ground 5V DC Power Supply Ground Ground Ground...
  • Page 11 Service Manual Model No.: Keypad and remote connector (J4) Pin number Signal name Description Ground Power key CH- key CH+ key Vol- key Vol+ key Meny key TV/AV key Ground IR Receive LED_G Green Indicator LED_R Red Indicator +5V DC Power Supply - 10 -...
  • Page 12 Service Manual Model No.: - . o e i t c i t c AC -L AC INP UT NUTUR E i t c i t c O N/OFF S MP S O N/O FF C O NTR O L(O N= HIGH)
  • Page 13 Service Manual Model No.: Pin No Symbol Function Remark RXO0- Negative Transmission data of Pixel 0 (ODD) RXO0+ Positive Transmission data of Pixel 0 (ODD) RXO1- Negative Transmission data of Pixel 1 (ODD) RXO1+ Positive Transmission data of Pixel 1 (ODD) RXO2- Negative Transmission data of Pixel 2 (ODD) RXO2+...
  • Page 14 Service Manual Model No.: Front Back 4-1, Remove the 6 screws as below picture...
  • Page 15 Service Manual Model No.: 4-2 Remove the 9 screws on the ack ca inet 4-3 Remove the 5 screws as elow picture...
  • Page 16 Service Manual Model No.: 4-4 Remove the screws on the power oard 4-4 Remove the 10screws as elow pictures...
  • Page 17 Service Manual Model No.:...
  • Page 18 Service Manual Model No.: e o e o Antenna Connection Connect one end of a coaxial ca le (not included) to the ANT IN ack on the ack of your TV/DVD com o then connect the other end of the ca le into the antenna or ca le TV wall outlet.
  • Page 19 Service Manual Model No.: Note: All ca les shown are not included with the TV. RCA Video Ca le RCA Audio Ca le DVD or VCR - Connect the VIDEO and A DIO output acks on the DVD or VCR to the AV IN acks on the TV set with a RCA ca le.
  • Page 20 Service Manual Model No.: Note: All ca les shown are not included with the TV. - If using a sound card ad ust the PC sound as required. - Set the video resolution of your PC audio PC to 1024x768 60Hz on its ca le original monitor.
  • Page 21 Service Manual Model No.: e de 1. Connect the source device to HDMI port of this TV with an HDMI ca le(not supplied with this product). 2. No separated audio connection is necessary. If the source device supports Auto HDMI function the output resolution of the source device will e automatically set to 1280x720p.
  • Page 22 Service Manual Model No.: HDMI Ca le (not supplied with the product) HDMI to DVI Ca le ( not supplied with the product) Analog Audio Ca le (Stereo to RCA type) (not supplied with the product)
  • Page 23 Service Manual Model No.: se the AC polarized line cord provided for operation on AC. Insert the AC cord plug into a standard polarized AC outlet. NOTES: se the attached power cord only. electrician replace the o solete outlet. simply unplug the unit from the AC outlet and plug it ack in. The unit should return to normal operation.
  • Page 24 Service Manual Model No.: . le - . lo Schematics BlockDiagram LED PANNEL BACKLIGHT flash lvds HDMI Antenna in TDA18273 YPbPr MST318 SCART COAX Earphone POWER DDR2 512M TPA3124 SPEAKER TITLE: Cover page Design: MODEL:MST318 Checked: PART NO.: DWG NO.: Apprd: SHEET: 0 pages 8 VER:...
  • Page 25 Service Manual Model No.:...
  • Page 26 Service Manual Model No.:...
  • Page 27 Service Manual Model No.:...
  • Page 28 Service Manual Model No.:...
  • Page 29 Service Manual Model No.:...
  • Page 30 Service Manual Model No.:...
  • Page 31 Service Manual Model No.: PWD MT...
  • Page 32 Service Manual Model No.:...
  • Page 33 Service Manual Model No.:...

  • Page 34: Upgrade Software

    Service Manual Model No.: 7-1 pgrade software Haier MST318 F/W upgrade with SB SOP Step 1: Ready for F/W pgrade 1.1 Prepare a SB memory . 1.2 Copy the software file(merg. in)from your computer to the SB memory and remove...

  • Page 35: Factory Menu

    Service Manual Model No.: 7-2 Factory menu 1. You can press MEN -8-8-9-3 to go into factory setting. Presse the key exit to shut the factory setting. content: 1:Version Info:the information a out the TV and software...
  • Page 36 Service Manual Model No.: 2: ADC setup: set ADC value of Y V VGA. It can also e auto-set. Adopt 100 color ar to yuv and Checker oard signal to vga. Color Temp: ad ust the color temperature and white alance of each signal source.
  • Page 37 Service Manual Model No.: 4: Video uality:change value of each picture mode s options 5:Sound uality:change value of each sound mode s options...
  • Page 38 Service Manual Model No.: 6:Curve Setting:change Video and Sound curve (1):Video curve Setting (2):Sound curve Setting - 7 -...
  • Page 39 Service Manual Model No.: 7:OverScan:Change the display coordinate of the source single 8:Aging Mode:made the TV into aging mode.You can out the mode only use the Key Power 9:SW pgrade:upgrade the software 10:Shipment:reset all the amend except ADC...
  • Page 40 Service Manual Model No.:...
  • Page 41 Service Manual Model No.: - . M o le In stand- y condition Check pin 1of 26 Whether got 12V Whether main oard testing TP7point got 5V testing point TP10 got 3.3v Normal ooting Check the 6 Check external power related devices suppply After power on check whether...
  • Page 42 Service Manual Model No.: e: No o Pictur e 2 Mess or Black screen Back light on Display unit(mess) Whether driven oard ca le is correct connection is Ok Check whether it is OK after chaning LCD Check output network Whether 8 driven oard socket part is normal...
  • Page 43 Service Manual Model No.: Picture 3 Display unit ( lack screen) Black screen Whether the voltage that power panel supply to Inverter is normal Check the socket that controls Inverter whether the voltage output from pin 6 of 12 is in low level Check and repair the Check the external power supply circuit Inverter is roken or...
  • Page 44 Service Manual Model No.: No sound Picture 4 If there is anyaudio signal input Audio par t (no sound) or Whether amplifier power supply is normal Whether the volume M TE setting is normal Whether there is signal output from 18 Whether there is signal input in 11 yd1517 1/9...
  • Page 45 Service Manual Model No.: TV no searching /no image Pictur e 5 Check whether Function unit (ATV video r oke down) external RF input signal is normal Whether main oard testing TP3 point got 3.3V Check R6 or R7 whether there is I2C data Whether R50 or R51 got intermediate-frequency signal Check the tuner...
  • Page 46 Service Manual Model No.: Pictur e 6 TV no sound only picture Function unit (ATV no sound) Whether there is sound under PC AV Whether software is OK input system is set correctly Refer to NO SO ND Change 10MSD318) repair guide...
  • Page 47 Service Manual Model No.: Pictur e 7 TV no searchin/no image Function unit(DTV video r eakdown) Whether external RF input signal is normal Whether main oard testing TP6point got 3.3V Check and repair peripheral Check R6 or R7 RF equipment whether there is I2C data Whether R50 or R51 got intermediate-frequency signal...
  • Page 48 Service Manual Model No.: Pictur e 8 Function unit nder PC Whether the Miss color Image not Image contact of Color No signal in the middle shakes VGA socket cast is good Whether VS HS signal Whether MSD318 Whether the is regular or sta le R.G.B input signal is normal contact of...
  • Page 49 Service Manual Model No.: Pictur e 9 Function unit HDM I nder HDMI Whether HDMI There is image No image contact ut no sound is good Check HDMI related network of 10 Whether there is MSD318 sound under PC Refer to no Check HDMI Check HDMI Refer to power failure...
  • Page 50 Service Manual Model No.: Pictur e 10 Function unit YPBPR YPBPR YPBPR miss color No signal or color cast Check 10 peripheral circuit Check Y/PB/PR crystal oscillator circuit signal input network and input network...
  • Page 51 Service Manual Model No.: l e Mode e o e Block Defect :TCP cracking or cracking Dim or L/D :TCP Sunken V B/D Vertical ar :TCP lead cracking :ACF onding short :Awful environment and something electric enter V Dim Vertal gray line into LED :Mis-align etween TCP and Panel...
  • Page 52 Service Manual Model No.: Failure Mode e o e White Screen B/L normal only white screen display M a y e c a u s e d y surge current Black Screen B/L normal and EDS only Black screen display FIIcker Crosstalk Vcom im alance...
  • Page 53 Service Manual Model No.: l e Mode e o e Mechanlcal When Caused Nolse turn panel appear y M e c h a n i c a cacophony noise of acklight unit Ripple Connectric circle Causeed y etween mechanism and pannel B/L off B/L lose action...
  • Page 54 Service Manual Model No.: l e Mode e o e Brightness B/L unit adness at ottom of LCM Light leakage righter than normal B / L r i g h t n e s s Sheet in B/L unit Mechanlcal or B/ asymmetric is uneven niformity...
  • Page 55 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...