Table of Contents
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SERVICE MANUAL
LED TV
Model No.
LE32B8000
V59
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.
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.
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Table of Contents
Related Manuals for Haier LE32B8000
Summary of Contents for Haier LE32B8000
- Page 1 SERVICE MANUAL LED TV Model No. LE32B8000 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.
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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 -...
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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"...
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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 LE32B8000 Screen Size 32 inch Aspect Ratio 16:9 Resolution 1366*768 5.0 (GRAY TO Response Time (ms) GRAY) Angel of View 176o Color Display 16.7M No. of Preset Channels 1-200 OSD Language English Color System PAL/SECAM...
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Page 9: Location Of Controls And Components
Service Manual Model No.: 3. Location of Controls and Components 3-1 Board Location A Board Description A Board Integration Mainboard 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. Main board connector Keypad andremote connector (CN202) Pin number Signal name Description LAMP RED LED_R LED_G LAMP GREEN STANDBY REMOTE CONTROL...
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Page 11: Lcd Panel
Service Manual Model No.: 3-3. LED Panel ST3151A05-5 - 10 -... - Page 12 Service Manual Model No.: 3-4-1.Connector de finition Pin No. Symbol Description Note Power Supply ,+ 12 V DC Regulated Power Supply ,+ 12 V DC Regulated Power Supply ,+ 12 V DC Regulated Power Supply ,+ 12 V DC Regulated Ground Ground Ground...
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Page 13: 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 - 12 -... -
Page 14: Remove The Main Board
Service Manual Model No.: 4-4 Remove the Main board CN202 CN201 PCN4 CN800 4-5 Remove the speaker Take out the speaker - 13 -... -
Page 15: Remove The Remote Control Board
Service Manual Model No.: 4-6 Remove the remote control take out the remote control board - 14 -... -
Page 16: Installation Instructions
Service Manual Model No.: 5. Installation Instructions 5-1 External Equipment Connections Accessories Battery User GUIDE Remote Control - 15 -... - Page 17 Be sure both the TV and computer 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. LE24B8000/LE32B8000 HDMI2 HDMI1 PC AUDIO - 16 -...
- Page 18 INSTALLATION * Subject to material object. AV IN AV OUT VIDEO VIDEO AC-INPUT 100-240V~ 50/60Hz SUPPORTED MODE (PC) V.Freq.(Hz) H.Freq.(KHz) RESOLUTION 640*480 31.47 37.88 800*600 1024*768 48.36 1366*768 47.71 1280*1024 63.98 1920*1080 67.5 (Only for 40") NOTE: PC V.Freq.(Hz) not more than 60Hz. PRESET MODE (HDMI) V.Freq.(Hz) H.Freq.(KHz)
- Page 19 INSTALLATION AV EQUIPMENT (LE32B8000) This TV provides one group of AV, one group of YPbPr for convenient connection to VCR, DVDor other video equipment. Please refer to the owner's manual of the equipment to be connected as well. You can use the input terminals on TV set rear as follows.
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Page 20: 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 21 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) - 20 -...
- Page 22 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.
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Page 23: Operation Instructions
S e r v i c e M a n u a l M od e l N o .: 6. Operation Instructions 6-1 Front panel controls KEYBOARD (LE32B8000) Front panel (LE32B8000) SOURCE MENU V- CH- CH+ Standby 1．SOURCE： Display the input source menu. -
Page 24: Universal Remote Control
Service Manual Model No.: 6-3 Setting Up Your Remote Control Note: The relevant button doesn't work if TV without teletext, NICAM, MHL function. - 23 -... -
Page 25: Electrical Parts
Service Manual Model No.: 7. Electrical parts Block Diagram 7-1. - 24 -... -
Page 26: Circuit Diagram
Service Manual Model No.: Circuit Diagram Circuit Diagram Circuit Diagram 7-2. - 25 -... - Page 27 - 26 -...
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Page 34: Wiring Connection Diagram
Service Manual Model No.: 7-3 .Wiring Connection Diagram Name Connection Wire(For Speaker) Connection Wire(Power Wire) LVDS Wire Connection wire(Blacklight ) Connection Wire(For Keyboard and Remote) - 33 -... -
Page 35: Measurements And Adjustments
Service Manual Model No.: Measurements and Adjustments 1. CHANNEL MENU Programme Edit The first item of the MENU is CHANNEL MENU ( for TV source only). You can search channels and edit programs here. Press to move, press OK button to confirm, and press to adjust. - Page 36 4. TIME MENU The forth item of the menu is the TIME MENU You can adjust the clock, power on/off time, sleep time etc. Press▼▲to move, press OK button to confirm, Haier Innovation Life and press◀▶to adjust. Clock CHANNEL PICTURE...
- Page 37 TV OPERATION Haier Innovation Life Press ◀▶ to select the function icon, press OK button to confirm the function. Press ▼ or EXIT button to exit the control bar. NOTE: You can adjust the audio track, subtitle, or program in...
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Page 38: How To Enter Into The Factory Model
Service Manual Model No.: 8.1 How to enter into the factory m 8.1 How to enter into the factory menu 1. You can press "source-2-5-8-0" to go into factory setting. Presse the key "exit" to shut the factory setting. content: 1: ADC setup: set ADC value of YUV,VGA. -
Page 39: How To Update Software
Service Manual Model No.: 8.2 How to update software Haier V59F/W upgrade with USB SOP Step 1: Ready for F/W Upgrade 1.1 Prepare a USB memory . it from computer’s USB port! Step 2: F/W Upgrade 2.1 AC ON 2.2,then input USB , press "MENU" and choose "update software", and then press "OK". -
Page 40: 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 41: Trouble-Shooting
Service Manual Model No.: 9. Trouble shooting 9-1. Simple check - 42 -... -
Page 42: Main Board Failure Check
Service Manual Model No.: 9-2. Main board failure check No picture but h ave sound Check if PU6 Pin5(3.3V) Replace PU6 、 Pin3 （ < 1.25V ） Pin19（12V） Check if there is normal voltage at PEC5 is normal Check if there is +5V at Pin35 in CN201 Replace Check if PQ6 、... - Page 43 Service Manual Model No.: C743 C744 CD20 CD28 - 41 -...
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- Page 45 Poor sound Poor sound Verify if sound system is Change sound correct . system 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 46 No color for some channel program (black and white) No color for some channel program (blac k 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 PAL-D/K ) and sound system...
- Page 47 PEC6 - 45 -...
- Page 48 • Mainboard not work Panel not work • 1. check if the power supply have 1. check if the voltage input and 12V and 5V output output of boost IC is working •2.Verify if the DC/DC and LDO normally.
- Page 49 Power board not work 1.Verify if the power cord connect well? 2.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;...
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Page 50: 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 51 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 52 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 53 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Mechanical When Caused Noise 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 54 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/ asymmetric is uneven...