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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
©2010 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.
Haier Group
Model No.
Service No. HL32K2a
Chassis
Order No.
T
LCD TV
HL32K2
MTK5305
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Table of Contents
Related Manuals for Haier HL32K2
Summary of Contents for Haier HL32K2
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Page 1: Service Manual
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. ©2010 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.: HLC32K2 CONTENTS Chapter 1: General Information......3 1-1. Document Information .............3 1-2. General Guidelines..............3 1-3. Important Notice ...............3 1-3-1. Follow the regulations and warnings ............. 3 1-3-2. Be careful to the electrical shock ............3 1-3-3. Electro static discharge (ESD) ............... 3 1-3-4. - Page 3 Service Manual Model No.: HLC32K2 4-2-1. Function Description: ................14 4-2-2. Connector definition ................14 4-3. Power Supply Board ..............16 4-3-1. Function description:................16 4-3-2. Connector definition: ................16 4-4. LCD Panel ................16 4-4-1. Function Description: Display the signal..........17 4-4-2. Connector definition: ................17 Chapter 5.
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Page 4: Chapter 1: General Information
Service Manual Model No.: HLC32K2 Chapter 1: General Information 1-1. Document Information Document format: Adobe PDF Author: Zhou Peng Compiler: Bao Qinghong 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. -
Page 5: About Lead Free Solder (Pbf)
Service Manual Model No.: HLC32K2 components commonly are called Electrostatically Sensitive (ES) Devices. The following techniques should be used to help reduce the incidence of component damage caused by electros static discharge (ESD). 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. - Page 6 Service Manual Model No.: HLC32K2 1. Always unplug the receiver AC power cord from the AC power source before: a. Removing or reinstalling any component, circuit board module or any other receiver assembly. b. Disconnecting or reconnecting any receiver electrical plug or other electrical connection. c.
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Page 7: Ordering Spare Parts
Service Manual Model No.: HLC32K2 3. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 4. Use only an anti-static type solder removal device. Some solder removal devices not classified as "anti-static" can generate electrical charges sufficient to damage ES devices. 5. - Page 8 Service Manual Model No.: HLC32K2 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”...
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Page 9: Chapter 2: Specification
Service Manual Model No.: HLC32K2 Chapter 2: Specification 2-1. Specification list Model HL32K2 Screen Size 32 inch Aspect Ratio 16:9 Resolution 1366x768 8 (GRAY TO Response Time (ms) GRAY) Angel of View Color Display 16777216 No. of Preset Channels English/Franch/... -
Page 10: External Pictures (Four Faces)
Service Manual Model No.: HLC32K2 2-2 External pictures (four faces) Front Side Left Side... - Page 11 Service Manual Model No.: HLC32K2 Right Side Back Side...
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Page 12: Chapter 3. Disassemble And Assemble
Service Manual Model No.: HLC32K2 Chapter 3. Disassemble and Assemble 3-1 Remove the Stand 1. Lay down the unit so that back cover faces upward 2. Then remove the back cover from the unit. 3-3. Remove the Adhesive Tape 2. Remove the four screws from the back cover which are indicated with the circles in the The location of the adhesive tape is shown picture above. -
Page 13: Remove The Power Supply Module
Service Manual Model No.: HLC32K2 3-6. Remove the Keypad Board 3-4. Remove the Power Supply Module Remove the two screws indicated by the red Remove the four screws indicated by the circles in below picture. red circles in below picture. 3-5. -
Page 14: Chapter 4. Location Of Controls&Components
Service Manual Model No.: HLC32K2 Chapter 4. Location of Controls and Components 4-1. Board Location Parts number Description A Board DC1670E0102M Main Board(0090724428) B Board PI160W240X200C Power Board 4-2. Main Board & AV Board... -
Page 15: Function Description
Service Manual Model No.: HLC32K2 4-2-1 Function Description: Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. 4-2-2 Connector definition Main board connector Power connectors (CNA1, CN1) CNA1 Pin number Signal name Pin number Signal name DIMMING... - Page 16 Service Manual Model No.: HLC32K2 Speaker power connector (CON1) Pin number Signal name Speaker Connector (CON2) Pin number Signal name Other connectors: CNB2 to Upgrade the program of ZORAN785 (U1) AND FLASH (U7)
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Page 17: Power Supply Board
Service Manual Model No.: HLC32K2 4-3. Power Supply Board 4-3-1. Function description: To supply power for Mainboard, Panel. 4-3-2. Connector definition: INPUT CONNECTOR CN402 Signal name CN402 Signal name CN401 Signal name +12V I_PWM +24V BL_ON/OFF +24V E_PWM Power ON/OFF I_PWM/E_PWM 4-4. -
Page 18: Function Description: Display The Signal
3-2. Interface Connections Service Manual This LCD module employs two kinds of interface connection, 30-pin connector is used for the module Model No.: HLC32K2 electronics and two 3-pin Balance PCB connectors are used for the integral backlight system. 3-2-1. LCD Module - LCD Connector : FI-X30SSL-HF(manufactured by JAE) or IS100-L30B-C23(manufactured by UJU) 4-4-1. -
Page 19: Chapter 5. Installation Instructions
If the antenna needs to be split for two TV’s, install a “2-Way Signal Splitter” in the connections. To install the antenna properly please contact a professional in your area. Note All cables shown are not included with the TV. Haier LCD HDTV EN-8... -
Page 20: Choose Your Connection
INPUT button Select the input source with using the on the remote control, and then press button to select the source, press ENTER button to confirm. External A V Source Setup EN-9 Haier LCD HDTV... -
Page 21: Connecting A Digital Audio Output
Turn on the digital set-top box. (Refer to the owner’s manual for the digital set-top box.) • If the graphic card on the computer does not output analog and digital RGB simultaneously, Use INPUT on the remote control to select Haier LCD HDTV EN-10... -
Page 22: Hdmi And Dvi Input
The synchronization input form for Horizontal and How To Use Vertical frequencies is separate. • If the source device supports Auto DVI function, the output resolution of the source device will be EN-11 Haier LCD HDTV... -
Page 23: Connecting Headphones
If the polarized AC cord does not fit into a non- polarized AC outlet, do not attempt to file or cut the blade. It is the user’s responsibility to have an electrician replace the obsolete outlet. Haier LCD HDTV EN-12... -
Page 24: Chapter 6. Operation Instructions
B Remote Sensor Do not put anything near the sensor, which may block the remote control signal. Connect a USB ash drive to view MPEG2 videos, 6 USB input JPEG images or listen to MP3 songs. EN-5 Haier LCD HDTV... -
Page 25: Back Panel Controls
Connect the audio L/R cables to your audio equipment. Connect the audio L/R cables from a computer PC Audio In to this jack. Connect a video cable from a computer to this PC Video In jack. Haier LCD HDTV EN-6... -
Page 26: Setting Up Your Remote Control
Press again to return to the program. Q CH.LIST Open the channel list in TV. R FAV.LIST Press to open the favorite channel list in TV. S ARC(Aspect Ratio Control) Press to change the aspect ratio. EN-7 Haier LCD HDTV... -
Page 27: Chapter 7. Electrical Parts
Service Manual Model No.: HLC32K2 Chapter 7. Electrical Parts 7. Electrical parts 7-1. Block Diagram 7-1. Block diagram MTK5305 TA5708 Speaker 7-2. Circuit Diagram... -
Page 28: Circuit Diagram
Service Manual Model No.: HLC32K2 7-2. Circuit Diagram... - Page 29 Service Manual Model No.: HLC32K2...
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Page 45: Wiring Connection Diagram
Service Manual Model No.: HLC32K2 7-3 .Wiring Connection Diagram Customer Model HL32K2 9.WIRRING CONNECTION Service Model HL32K2a DIAGRAM Factory Model LA32K3 Serial No. DC1670E0102 Job Order No. AT09SR1223US01 LVDS Connector Country America Customer AC 120V/60Hz Brand Haier Connecting sketch Name serial No. -
Page 46: Chapter 8. Measurements And Adjustments
Service Manual Model No.: HLC32K2 Chapter 8. Measurements and Adjustments 8-1. Service Mode 8-1-1.How to enter into Service Mode The way to the factory mode menu: Step 1: Press Menu, Step 2: Input 8893, Step 3: Press “OK” System will be into the factory mode menu when 3 steps above are done. 8-1-2.How to exit If you want to exit this factory menu, please press the button ”Exit”... -
Page 47: Video
Service Manual Model No.: HLC32K2 8-2-2.Video... -
Page 48: Audio
Service Manual Model No.: HLC32K2 8-2-3. Audio 8-2-4. Picture Mode... -
Page 49: Gamma
Service Manual Model No.: HLC32K2 8-2-5. Gamma 8-2-6. Panel Index Tuner Diagnostic: Project debugging setting, used to inspect the audio function. - Page 50 Service Manual Model No.: HLC32K2 8-2-7. Back Light 8-2-8. Mod_Param...
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Page 51: Function
Service Manual Model No.: HLC32K2 8-2-9. Function 8-2-10. Reste to default... - Page 52 Service Manual Model No.: HLC32K2...
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Page 53: Chapter 9. Trouble Shooting
Service Manual Model No.: HLC32K2 Chapter 9. Trouble shooting 9-1. Simple check Verify if the television is properly plugged Verify if the television is properly supplied power No picture/ No sound Verify if electricity is available. Verify if correct signals are input Press INPUT button to change signal input to TV input Blank screen Restart the television of power supply is interrupted... -
Page 54: Power Supply Board Failure Check
Service Manual Model No.: HLC32K2 9-2. Power Supply Board Failure Check. -
Page 55: Mainboard Failure Check
Service Manual Model No.: HLC32K2 9-3. Mainboard Failure Check Symptom: No Sound No Sound (All Mode) Fail Check the input Change Source input Source Pass Fail Check Re-soldering or change input/output IC U13 Of IC U13 of Main Pass Fail Check Re-soldering or change input/output... - Page 56 Service Manual Model No.: HLC32K2 9-4. Pannel Failure Failure Mode...
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- Page 61 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...