Haier L32F6 Service Manual

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Service manual (67 pages)

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Page 1 Haier SERVICE MANUAL Order No. LCD TV L32F6 Model No. L42F6 Chassis MTK5363 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
1-4-1. Using icons: ................... 6 Chapter 2. Speciﬁ cation 2-1. Speciﬁ cation list ..................7 2-2. External pictures (four faces) ..............7 Chapter 3. Disassemble and Assemble 3-1. L32F6....................13 3-2. L42F6....................15 Chapter 4. Location of Controls and Components 4-1. Board Location ..................17 4-2.
Page 3 Service Manual Model No.: L32/42F6 Chapter 5. Installation Instructions 5-1. Accessories..................27 5-2. External Equipment Connections ............27 Chapter 6. Operation Instructions 6-1. Get To Know Your TV ................32 6-2. Get To Know Your Remote Control ..........34 Chapter 7. Electrical Parts 7-1.
Page 4: Chapter 1.General Information
Service Manual Model No.: L32/42F6 Chapter 1.General Information 1-1. Document Information Document format: Adobe PDF Author: Compiler: 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: About Lead Free Solder (Pbf)
Service Manual Model No.: L32/42F6 Some semiconductor (solid state) devices can be damaged easily by static electricity. Such 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).
Page 6 Service Manual Model No.: L32/42F6 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.
Page 7: Ordering Spare Parts
Service Manual Model No.: L32/42F6 12. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 13. Use only an anti-static type solder removal device. Some solder removal devices not classiﬁ ed as "anti-static" can generate electrical charges sufﬁ cient to damage ES devices. 14.
Page 8: Using Icons
Service Manual Model No.: L32/42F6 1-4. How to Read this Service Manual 1-4-1. Using icons: Icons are used to attract the attention of the reader to specific information. The meaning of each icon is described in the table below: Note: A “note”...
Page 9: Chapter 2. Speciﬁ Cation
Service Manual Model No.: L32/42F6 Chapter 2. Speciﬁ cation 2-1. Speciﬁ cation list PAL NTSC PAL NTSC 2*8W 2*8W 130W 180W 100-240V 100-240V...
Page 10: External Pictures (Four Faces)
Service Manual Model No.: L32/42F6 2-2. External pictures (four faces) 2-2-1 Front Side Left Side...
Page 11 Service Manual Model No.: L32/42F6 Right Side Back Side...
Page 12 Service Manual Model No.: L32/42F6 2-2-2 Front Side Left Side...
Page 13 Service Manual Model No.: L32/42F6 Right Side Back Side...
Page 14: Chapter 3. Disassemble And Assemble
Service Manual Model No.: L32/42F6 Chapter 3. Disassemble and Assemble 3-1. 3-1-1. Remove the Stand 3-1-3. Remove the mainboard power supply 3-1-4. Remove the 3-1-2. Remove the Back Cover...
Page 15 Service Manual Model No.: L32/42F6 3-1-5. Remove the Speaker Take out the speaker directly. 3-1-6. Remove the remote control 3-1-7. Remove the O rnamental Assembly 3-1-8. Remove the Panel...
Page 16: L42F6
Service Manual Model No.: L32/42F6 3-2. 3-2-1. Remove the Stand 3-2-3. Remove the mainboard and bracket of Side AV 3-2-2. Remove the Back Cover 3-2-4. Remove the power supply...
Page 17 Service Manual Model No.: L32/42F6 3-2-8. Remove the O rnamental Light Assembly 3-2-5. Remove the Speaker 3-2-9. Remove the panel bracket 3-2-6. Remove the remote control 3-2-7. Remove the Metal connecting board...
Page 18: Chapter 4. Location Of Controls And Components
Service Manual Model No.: L32/42F6 Chapter 4. Location of Controls and Components 4-1. Board Location 4-1-1. Parts number Description DZ0YE0E0100M Mainboard Assembly A Board B Board 0094001236DC Panel C Board 0094001274B Power Supply 4-1-2. Parts number Description Panel A Board 0094001165DE B Board Power Supply...
Page 19: Main Board & Av Board
Service Manual Model No.: L32/42F6 4-2.Mainboard 4-2-1. Function Description: Process signal which incept from exterior equipment then translate into signal that panel can display. 4-2-2.Connector definition 4-2-2-1.Mainboard of L32F6 L42F6 CON1 CNC1 CND1 CND2 CNA1 CNE1 CNE2 4-2-2-2.Connector definition Power connectors (CNA1)
Page 20 Service Manual Model No.: L32/42F6 Back light connectors (CN1) Signal name Description Pin number Back light adjust PBON Back light ON/OFF Power of audio anplifier connector (CON1) Pin number Description Signal name Speaker connector (CNC1) Pin number Signal name Description Left of audio Left of audio Right of audio...
Page 21 Service Manual Model No.: L32/42F6 LVDS Connector (CND1) Pin number Pin number Description Description Signal name Signal name ODSEL2 ODSEL2 ODSEL1 ODSEL1 PNL_SDA PNL_SDA PNL_CLK PNL_CLK BRI_IN BRI_IN PB-ADJUST PB-ADJUST LVDS Connector (CND2) Pin number Pin number Description Description Signal name Signal name...
Page 22: Connector Deﬁ Nition
Service Manual Model No.: L32/42F6 4-3. Power Supply Board 4-3-1. Function description: To supply power for Mainboard, Panel. 4-3-2. Connector deﬁ nition: 4-3-2-1.L32F6 PIN NUMBER DESIGNATION 5VSTB V-IPWM BL-ON V-EPWM Signal name Pin number Pin number Signal name...
Page 23 Service Manual Model No.: L32/42F6 4-3-2-2.L42F6 Signal name Pin number Pin number Signal name DC-DIMMING BL-ON/OFF PWM-DIMMING STATUS Pin number Signal name Pin number Signal name P-ON/OFF DC-DIMMING PWM-DIMMING BL-ON/OFF STATUS...
Page 24: Lcd Panel
Model No.: L32/42F6 4-4.LCD Panel 4-4-1. Function Description: Display the signal. 4-4-2. Connector deﬁ nition AU T315XW03 V5 4-4-2-1.L32F6 BACKLIGHT CONNECTOR PIN CONFIGURATION : Description Unit Condition/Note 1. Dimming range is set 100% 2. Base on lamp specification, for each...
Page 25 Service Manual Model No.: L32/42F6 LVDS: Connector on Panel: 093G30-B0001A-1 (Manufactured by Pin No Symbol Description Default +12V, DC, Regulated +12V, DC, Regulated +12V, DC, Regulated +12V, DC, Regulated Ground and Signal Return Ground and Signal Return Ground and Signal Return Ground and Signal Return LVDS Option Low/Open for Normal (NS), High for JEIDA NS mode...
Page 26 Service Manual Model No.: L32/42F6 4-4-2-2.L42F6 NVERTER UNIT Symbol Description VDDB (Main Power) DV input 24.0 VDC VDDB (Main Power) DV input 24.0 VDC VDDB (Main Power) DV input 24.0 VDC VDDB (Main Power) DV input 24.0 VDC VDDB (Main Power) DV input 24.0 VDC Ground Ground...
Page 27 Service Manual Model No.: L32/42F6 LVDS connector P-TWO 187059-5122 which is compatible FI-RE51S-HF (JAE) No Symbol Description No Symbol Description 1 GND Ground 27 GND Ground 2 NC No connection 28 RE0N SECOND CHANNEL 0- 3 NC No connection 29 RE0P SECOND CHANNEL 0+ 4 NC No connection...
Page 28: Chapter 5. Installation Instructions
Service Manual Model No.: L32/42F6 Chapter 5. Installation Instructions 5-1. Accessories CABLE PICTURE AUDIO HDMI INPUT MUTE RECALL MENU EXIT ENTER SLEEP DISPLAY PLAY/PAUSE STOP PREV NEXT REPEAT MTS/SAP FREEZE CH.LIST GUIDE FAVORITE Alkaline battery (AAA) x 2 Remote control Owner’s manual 5-2.
Page 29: Choose Your Connection
Service Manual Model No.: L32/42F6 to select the source, press OK button to confirm. Choose Your Connection There are several ways to connect your television, External AV Source Setup depending on the components you want to connect and the quality of the signal you want to achieve. The following are examples of some different ways to How to connect connect your TV with different input sources.
Page 30: Connecting A Digital Audio Output
Service Manual Model No.: L32/42F6 audio outputs to the YPbPr Audio IN jacks on the TV, as shown in the figure. Video output ports on DVD player Connecting a DTV (digital TV) This TV can receive Digital Over-the-air/Cable signals without an external digital set-top box. However, if you do receive Digital signals from a digital set-top box or other digital external device, refer to the figure as shown below.
Page 31: Connecting A Computer
Service Manual Model No.: L32/42F6 See the external audio equipment instruction Then, make the corresponding audio connection. manual for operation. If using a sound card, adjust the VGA sound as required. Note When connecting with external audio equipments, such as amplifers or speakers, please turn the TV speakers off.
Page 32: Hdmi And Dvi Input
Service Manual Model No.: L32/42F6 The synchronization input form for Horizontal and resolution of the source device to 1280 720p. Vertical frequencies is separate. Press the INPUT button to select HDMI input source in input source option of Select Main source menu. HDMI and DVI input When the source device (DVD player or Set Top Box) supports HDMI...
Page 33: Chapter 6. Operation Instructions
Service Manual Model No.: L32/42F6 Chapter 6. Operation Instructions 6-1. Get to know your TV TV Side panel controls and connections Menu display. Press to access the on-screen 1 MENU menu display. Press this key to open/close signal source 2 INPUT options menu.
Page 34: Back Panel Connections
Service Manual Model No.: L32/42F6 Back panel connections 8 AV OUT Video/Audio output terminal. Connect a component Video/Audio device to DIGIAL AUDIO OUT(OPTICAL) these jacks. 9 USB jack Connect USB storage device to this jack. Component Connect a component Video/Audio device to Connect the S-Video cable from an external signal S-Video In these jacks.
Page 35: Get To Know Your Remote Control
Service Manual Model No.: L32/42F6 6-2. Get to know your remote control Remote control The remote control cannot be operated unless the batteries are properly loaded. When using the remote control, aim it at the remote sensor on the TV. 1 Power Press to turn on and off the TV 2 INPUT...
Page 36: Chapter 7. Electrical Parts
Service Manual Model No.: L32/42F6 Chapter 7. Electrical Parts 7-1. Block Diagram Video DAC OUT2 Audio DAC1 Line Out LINE IN CVBS/SY Video DAC OUT1 Audio DAC0 Line Out LINE IN CVBS YPbPr1 HDMI3 HDMI2 HDMI x1 HDMI1...
Page 37: Circuit Diagram
Service Manual Model No.: L32/42F6 7-2. Circuit Diagram...
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Page 53: Wiring Connection Diagram
Service Manual Model No.: L32/42F6 7-3. Wiring Connection Diagram Name Parts number 0090402070B LVDS Cable 0090402469 Cable(Power For Mainboard) 0090403399E Cable(Power For Audio Amplifier) 0090402849A Cable(For Keypad) 0090401643D Cable(For Remote) Cable(For Speaker) 0090402750B Cable(For Ornamental Light) Name Parts number 0090402724B LVDS Cable 0090402862B Cable(For Back Light)
Page 54: Chapter 8. Measurements And Adjustments
Service Manual Model No.: L32/42F6 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: 1st, press menu, 2en, input 8893, Finished these operations ,system will be into the factory mode menu. At the end of the main factory menu, you can see the edition of the software, like this”...
Page 55: Video
Service Manual Model No.: L32/42F6 8-2-2. Video Color Temperature This page is control the Color Temperature, like normal,warm,cool.
Page 56: Audio
Service Manual Model No.: L32/42F6 8-2-3. Audio This page is control the sound effect .
Page 57: Chapter 9. Trouble Shooting
Service Manual Model No.: L32/42F6 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 58: Power Supply Board Failure Check
Service Manual Model No.: L32/42F6 9-2. Power Supply Board Failure Check. State:No picture First,check cables which connect with PSU,then check as follows Check input voltage voltage: +5VSB----POWER ON(2.6V) -----+12V TJC3-7A PW_ON/OFF-INV 5VMst +12V CNA1 5VMst +3.3VDD R212 2.2K R225 R215 R214 PW-ON/OFF-INV PW_ON/OFF-INV...
Page 59: Mainboard Failure Check
Service Manual Model No.: L32/42F6 9-3. Mainboard Failure Check...
Page 60: Pannel Failure
Service Manual Model No.: L32/42F6 9-4. Pannel Failure Failure Mode...
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Page 65 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...

This manual is also suitable for:

L42f6

Haier L32F6 Service Manual

Chapter 1.General Information

Chapter 2. Speciﬁ Cation

Chapter 3. Disassemble and Assemble

Chapter 4. Location of Controls and Components

Chapter 5. Installation Instructions

Chapter 6. Operation Instructions

Chapter 7. Electrical Parts

Chapter 8. Measurements and Adjustments

Chapter 9. Trouble Shooting

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