31.5 &42 LCD TV Haier HL32D2&HL42XD2 1 Service Service Service Horizontal Frequency 31~68 KHz Table of Contents Description Page Description Page SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 6.1 Main Board………………..………………...……….....30 6.2 Power Board…..…………..……….…….…..…..........34 6.3 Key Board…………………………..……..……….......40 6.4 IR Board……………………………..……….…….......40 7.Adjustment..............................................................41 8.Block Diagram.…….....................................................42 9.Wiring Diagram.……....................................................43 10.Schematic Diagram….....……..……..………………...45 10.1 Main Board…….………...….………………...….......45 10.2 Power Board…….……….…....………...……….......58 10.3 Key Board………….……...….……….………….......67 10.4 IR Board……………..……..…………….……….......68 11.Exploded View……………………….………….…....69 Table of Contents.......……...................................…........1 Important Safety Notice......................................……......2 Revision List…………………………………………………3 1.General Specification.................................……........4 2.Operating Instructions…………………….……..….......6 2.1 The Use of Remote Control…….…………...…….......6 2.2 To Use the Menus…...………………….….………......7 2.3 Front Panel Control Knobs……………….………......12 2.4 How to Connect…….…………………….…..…….....13 3.Input/Output Specification…………....................…....14 4.Mechanical Instructions…………………….................17 5.Repair Flow Chart ……………………….…….…….....25 6.PCB Layout ………………..………………....…..........30
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31.5 &42 LCD TV Haier HL32D2&HL42XD2
1
ServiceServiceService
Horizontal Frequency 31~68 KHz
Table of Contents
Description Page Description Page
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
Important Safety NoticeProper service and repair is important to the safe, reliable operation of all Haier Company Equipment. The service procedures recommended by Haier and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.
It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Haier could not possibly know, evaluate and advise the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way. Consequently, Haier has not undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not recommended by Haier must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected. Hereafter throughout this manual, Haier Company will be referred to as Haier.
WARNING Use of substitute replacement parts, which do not have the same, specified safety characteristics might create shock, fire, or other hazards.
Under no circumstances should the original design be modified or altered without written permission from Haier. Haier assumes no liability, express or implied, arising out of any unauthorized modification of design. Servicer assumes all liability.
FOR PRODUCTS CONTAINING LASER: DANGER-Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BEAM. CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. CAUTION -The use of optical instruments with this product will increase eye hazard.
TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION OF THIS SERVICE MANUAL. Take care during handling the LCD module with backlight unit -Must mount the module using mounting holes arranged in four corners. -Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen. -Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to the panel. -Protect the module from the ESD as it may damage the electronic circuit (C-MOS). -Make certain that treatment person’s body is grounded through wristband. -Do not leave the module in high temperature and in areas of high humidity for a long time. -Avoid contact with water as it may a short circuit within the module. -If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth may damage the panel.)
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Revision List
Version Release Date Revision Instructions Customer Model Model
A00 Mar.29,2010 Initial release
HL32D2 E32AAZNK3WH3N
E32AAZNK3WH3XNX
HL42XD2 E42AMZNK3WH3N
E42AMZNK3WH3XNX
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1. General Specification * This model complies with the specifications listed below. * Designs and specifications are subject to change without notice. * These models may not be compatible with features and/or specifications that may be added in the future.
Model No. HL32D2 HL42XD2
DISPLAY
Viewable 31.5W" 42W"
Television System NTSC standard,ATSC standard (8-VSB, Clear-QAM)
Channel Coverage
VHF: 2 through 13 UHF: 14 through 69 Cable TV: Mild band (A - 8 through A - 1,A through I),
Super band (J through W), Hyper band (AA through ZZ,AAA, BBB), Ultra band (65 through 94, 100 through 125)
Weight with Stand 12.5 Kg 20.5 Kg Weight without Stand and Base 10.6 Kg 17.6 Kg
WALL MOUNTING VESA-compatible wall bracket (W x H) 200 x 200 mm 400 x 200 mm
Screw type Metric 6 x 10 mm Metric 6 x 10 mm
POWER
Power Consumption 150W 250W
Standby <1W
Mains Power 120V~60Hz
Audio Power 10W + 10W 10W + 10W
Ambient Temperature 5°C - 35°C
PACKAGE CONTENTS TV unit x1 Base x1
Supplied Accessories
Screws x 4 (for 32” only) Power cord x 1 Remote control x1 (with two size AAA alkaline batteries) User manual x1
English FCC statement x1
Registration Card x1
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2. Operating Instructions2.1 The Use of Remote Control
Power Press to power ON/OFF(standby) TV. (Note: 1. TV is never completely power off unless physically unplugged. 2. Press to turn on TV after the power on status, LED had changed to blue and stopped flashing.)
VideoPress repeatedly to choose S-Video/Composite source mode.
Comp Press to choose Component source mode.
PC/HDMIPress repeatedly to choose VGA or HDMI source mode.
TVPress to choose ATSC/NTSC TV source mode.
0 ~ 9 / – number Press to enter TV channel number to select channel (Press ‘-’ to choose the sub-channel).
PREV CH Press to display the previous channel.
SleepPress to set the preset time to switch the TV to standby mode automatically (off / 5 / 10 / 15/ 30 / 60 / 90 / 120 / 180 /240 mins).
Freeze Press to freeze the displayed picture.
MTS/SAPPress to activate the NTSC TV sounds, such as: Stereo, SAP or Mono tone, and languages of DTV.
Wide Press to choose the display aspect as: Normal, Zoom1, Wide, Zoom2, or HDMI PC mode.
Fav Press "Fav" to open or toggle channel item in Favorite Channel List.
Source Press repeatedly to choose the various input sources.
EPGPress to display the Electronic Program Guide.
CH+ / CH - Press + or - to browse through the TV channels.
MuteSwitch the sound ON/OFF.
InfoPress to show the information about the input source, TV channel, display resolution and current time.
VOL+ / VOL Press + or - to adjust the volume.
Menu Press to open or exit menu.
, , , , ENTER Press to adjust the various function items on the menu.
ExitPress to exit menu or OSD.
V-ChipPress to lock Parental Control temporarily. (After setting the restricted table of MPAA or TV Rating.)
Video Adj Provide video modes switching.
Audio Adj Provide audio modes switching.
C. C. Press repeatedly to change the closed caption type as CC On/CC Off/CC On With Mute.
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2.2 To Use the Menus 1. Press the Menu button to display or close the main menu. 2. Use the Navigation Ring to move around to select, adjust or confirm an item in the OSD (On Screen Display) menu. Press the Menu button to enter the main OSD. Adjust the items including Video menu,Audio menu, Feature menu,Channel menu, and VGA menu. However, some function items in the menus may only be enabled in the particular source modes.
CHANNEL MENU The Channel menu in TV mode shows as below.
1. Tuning Band: Select TV source signal from the Air (antenna) or Cable (CATV). 2. Channel Strength: Show the intensity of the received DTV signal. 3. Auto CH Search: Automatically scan all NTSC / ATSC TV channels and then store in the channel table. In channel
scan process, the OSD can display the number of channels which had been found. 4. Add on CH Search: Add channels which are new found. 5. Channel List: Show the Channel List. User can edit (add/delete) the channel numbers. 6. Channel Labels: Show the NTSC / ATSC TV Channel Labels menu for user modifying channel labels specifically. 7. FAV Channel Setting: Show the Favorite Channel List. User can edit (add/delete) the favorite channels.
VIDEO MENU The Video menu in most source modes shows as below. It provides several video adjustment items for user fine tuning the video display. Only in VGA source mode, the Video menu simply provides Picture mode, Color Temp, Backlight, Aspect Ratio, Preset items.
1. Picture Mode: Adjust the best picture appearance from selecting the preset value of Vivid, Standard, Eco, Movie, or Personal. 2. Brightness: Video brightness adjustment, the tuning range is 0 ~ 100. 3. Contrast: Video contrast adjustment, thetuning range is 0 ~ 100. 4. Sharpness: Video sharpness adjustment,the tuning range is 0 ~ 100. 5. Color: Video color chroma adjustment,the tuning range is 0 ~ 100. 6. Tint: Video tint adjustment, the tuning range is R50 ~ G50. 7. Color Temp: Three color temperature modes. (Normal / Warm / Cool) 8. Noise Reduction: Gives four NR effect degrees, such as: Low, Mid, High and Off. 9. Adaptive Contrast: Choose On or Off to adjust the gamma after analyzing the input signal automatically. 10. Backlight: Backlight strength adjustment,the tuning range is 0 ~ 30. 11. Aspect Ratio: Choose the display aspect: Normal, Zoom1, Wide, Zoom2, or HDMI PC mode. 12. Preset: Restore the default video settings.
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AUDIO MENU The Audio menu in TV mode shows as below. It provides audio adjustment for user to modify the audio setting. Audio language setting is only available with ATSC TV source, the option is disable under other source modes.
Sound Mode: Choose the audio mode: Personal, Music, or Speech. 2. Bass: Bass tone adjustment, the tuning range is 0 ~ 63. (The default state is enabled.) 3. Treble: Treble tone adjustment, the tuning range is 0 ~ 63. (The default state is enabled.) 4. Balance: Audio balance adjustment, the tuning range is L50 ~ R50. 5. Audio Source: Select the audio source from Mono, Stereo, or SAP. (This function works in ATV only.) 6. Audio Language: Change the audio language setting on ATSC TV programs. The number of the supported
audio languages depends on the ATSC TV programs. (English / Français / Español) 7. SPDIF: Digital audio output format. Select from RAW and PCM. (This function works in DTV only.) 8. Speaker: Choose to turn on / off the TV internal speaker. The digital audio output signals and earphone output
signals will not be turned off even though the TV speaker is off. The default setting is On. 9. AVL: Choose On or Off to adjust volume to be consistent across programs and channels automatically. 10. Preset: Restore the default audio settings.
FEATURE MENU The Feature menu in TV mode shows as below. This menu gives users the most flexibility to satisfy their generally demands. According to the various requirements in different source modes, certain features should be hidden (disable) on the menu. The detailed footnotes will be described clearly below.
1. Menu Language: Select the menu display language. (English / Français / Español) 2. Time: Set current time. The sub-menu includes Time Mode, Time Zone, and Daylight Savings. [Time Mode] Choose from Auto or Manual. [Time Zone] Set current time zone. [Daylight Savings] Set to On or Off.
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3. Transparency: Adjust the transparency of the on-screen menu from range 0 to 10.
4. Password Setting: Change the 4-numeral parental control password. Three steps are required for changing the password: Enter Old Password -> Enter New Password ->Confirm New Password. Note: This item is only available in TV, Composite and S-Video source modes. The default password is 0 0 0 0 .
5. Parental Control: Provide the parental Control (V-chip) function setting. Before entering the Parental Control sub-menu, user has to key in the password first. Enter the Parental Lock item, then the user can modify the restricted table about MPAA or TV Rating respectively. While exiting the sub-menu, the parental control function is working. The inhibitive channels or source signals can be unlock through key in the correct password. Note: This feature is only available in TV, Composite and S-Video source modes.(The default password is: 0 0 0 0.)
[Button Lock] – Select On or Off to lock or unlock the control buttons on the side panel of the TV. When this function enables, the control buttons on your TV will be locked and TV only can be controlled by remote control only. [Block Unrated TV] – When Block Unrated TV is set to on, your TV will block unrated program. [USA Parental Locks] – Set the parental control level by MPAA or TV Rating. [Canadian Parental Locks] – Set the parental control level by English Rating or French Rating. [Open V-Chip] – Open V-Chip is an advanced V-Chip rating system for digital channels that are received. The rating table will be updated by downloading the RRT5 data for blocking.
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6. Closed Captions: Select a closed caption options. (Off / On / With Mute) 7. Analog Captions: Select an analog caption options. (CC 1-4 / TEXT 1-4) 8. Digital Captions: Select a digital caption options. (SERVICE 1-6) 9. Digital Captions Setup: Provide numerous options for setting the digital closed caption style in the sub-menu. [Style] – Set to Automatic or Customer mode. If Custom mode is selected, user can modify the detail styles described below. The setting result will be shown immediately on the bottom of the submenu OSD. Note: This feature is only available in Digital TV (ATSC) mode.
[Size] – Digital closed caption font size, which can be set as Automatic, Small, Normal, or Large. [Font] – Digital closed caption font style,which can be chosen as Automatic, Default,or Font 1 ~ 7. [Text Color] – Automatic / White / Red / Green / Blue / Yellow / Magenta / Cyan / Black. [Text Opacity] – Automatic / Solid /Flashing / Transparent / Translucent. [Background Color] – Automatic /Black / White/ Red / Green / Blue / Yellow /Magenta / Cyan. [Background Opacity] – Automatic /Solid / Flashing / Transparent / Translucent. [Edge Effect] – Automatic / None/ Raised / Depressed / Uniform / Left / Shadow / Right Shadow. [Edge Color] – Automatic / Red / Green / Blue / Yellow / Magenta / Cyan / Black / White. 10. Input Labels: User can edit the input labels. 11. Component Setting: This option only shows and is available in component mode,which provides fine tuning component display. [Phase] – Adjust Picture Phase to reduce Horizontal-Line noise. The tuning range is from 0 to 31. [Preset] – Restore the default component setting values.
12. MultiMedia Menu: This option shows the photos in JPEG formats and plays the music in MP3 formats that stored in a USB storage device.Note: File number is limited to 1000 files. JPEG sizes are limited as followed: For 19"/32": 10928x6114 For 24"/42": 15360x8640 There are two ways to enter JPEG Viewer and MP3 MusicBox interface: After plugging USB storage device into USB hub, Multimedia List menu will display.
Select MultiMedia Menu in Feature Menu to choose JPEG Viewer or MP3 MusicBox. These two items are activated only if the USB storage device is plugged into the USB hub.
[JPEG Viewer] Press Menu to display control menu. Press Enter to enlarge the selected photo (orange frame) in browser. Image Delay: Set display time for each picture in slide show. There are three options: Fast, Slow, and Normal. Music On Slide Show: Enable background Music during slide show. It will play with the MP3 file sequence in current folder repeatedly. Music On Slide Show item will be grayed out if there is no MP3 file in current folder.
•• Back to Upper Folder: Return to the upper folder. •• Back to Root Folder: Return to root folder. •• Back To Browser: Return to Browser mode. (Photo page with control menu.) •• Exit: Exit JPEG Viewer and return to original source. (Browser with Control menu.)
[MP3 MusicBox] •• ListInfoBar (at the bottom): This part contains play list information as: “Current Directory”, “Total File(s)”,“Total Folder(s)”, “Current Item” in current directory and Key Help Bar. •• PlayList (on the right side): This part contains MP3 music files. ••ControlPanel (on the left side): Bass, Treble, Balance, Volume: Adjust the audio tone. Mute Screen: This provides an option for enabling (On) or disabling (Off) auto turn-off backlight feature while playing MP3 media. The setting status is valid in MP3 media player interface only. After setting to On state, backlight will be turned-off automatically after 10 seconds no any key pressed. Press any key to turn on the TV immediately; but if there’s no other keys pressed after 10 seconds, it will be turned-off again. Preset: Resetting MP3 relative audio parameters to the default values. Exit MP3MusicBox: Exit MP3MusicBox interface.
13. Reset to Default: Restore all the default settings.
VGA MENU This option only shows and is available in VGA mode, which provides several items for the VGA display fine tuning. 1. H-Position: Adjust the horizontal position of the picture. (0-40) 2. V-Position: Adjust the vertical position of the picture. (0-16) 3. Clock: Adjust picture clock to reduce Vertical-Line noise. (0-16) 4. Phase: Adjust picture phase to reduce Horizontal-Line noise. (0-31) 5. Auto Adjust: Adjust the settings automatically. 6. Preset: Restore the default VGA setting values.
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2.3 Front Panel Control Knobs
1. VOL + VOL +: Press to increase the sound volume level.
2. VOL - VOL -: Press to decrease the sound volume level.
3. CH CH : Press to select the next higher Programme number.
4. CH CH : Press to select the next lower Programme number.
5. MENU Menu key: Press to open or exit the OSD (on-screen display) menu.
6. INPUT Input key: Press to select the input source.
7. POWERPower key: Press to turn on / off (standby) the TV set. (Press to turn on TV after the power on status, LED had changed to the Blue colour and stopped flashing.)
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2.4 How to Connect
1. HDMI – Connect the primary source for digital video such as a DVD multimedia player or set top box through this
all digital connector.
2. PC IN – Connect the video and audio cables from a computer here.
3. AV IN (AV/S-VIDEO) – Connect the input source for composite video devices, such as a VCR or video game. Use
the white and red connectors to connect the external audio from the same source. The signal being carried by the
S-Video cable and connector, if connected, will take priority over the Video RCA connector (yellow connector).
444 COMPONENT (Y/Pb/Pr with Audio L/R) – Connect the primary source for component video devices such as a
DVD Player or set top box here. Use red for Pr, blue for Pb, green for Y, red for right audio (R) and white for left
audio (L) inputs.
5. ANTENNA/CABLE DIGITAL/ANALOG – Connect to an antenna or digital cable (outof- the-wall, not from Cable
Box) for Digital TV.
6. SPDIF (Optical Digital Audio Out) – When a digital audio signal is associated with the input selected for viewing,
the digital audio will be available on this SPDIF connection to your home theater system.
7. USB PORT – Insert USB storage device to the USB port to view photos or listen to music.
8. Earphone Output – Connect to the headphones. When the headphone is inserted to the plug, all the speakers
will be muted.
Once your equipment is connected, use the following procedure to view the input signal:
Press the Source button on the remote control to select the relevant source to view. (ex: Press Comp
button to select “Component” if you have connected a video recorder to Component socket.)
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3. Input/Output Specification 3.1 Input Signal Connector
D-SUB
Pin No. Description Pin No. Description
1 Red Video 9 No Pin
2 Green Video 10 Sync GND
3 Blue Video 11 SDA(Remote Control)
4 SCL(Remote Control) 12 Serial Data for DDC
5 Ground 13 H. Sync
6 Red Ground 14 V. Sync
7 Green Ground 15 Serial Clock for DDC
8 Blue Ground
HDMI
Pin No. Description Pin No. Description
1 TMDS Data2+ 11 TMDS Clock Shield
2 TMDS Data2 shield 12 TMDS Clock-
3 TDMS Data2- 13 CEC
4 TMDS Data1+ 14 NC
5 TMDS Data1 shield 15 SCL
6 TMDS Data1- 16 SDA
7 TMDS Data0+ 17 DDC/CEC Ground
8 TMDS Data0 shield 18 +5V Power
9 TMDS Data0- 19 Hot Plug Detect
10 TMDS Clock+
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3.2 Input Signal Timing HL32D2 Analog RGB
VESA MODES
Horizontal Vertical
Mode Resolution Total Nominal Frequency(KHz)
Sync Polarity
Nominal Freq.(Hz)
Sync Polarity
Nominal Pixel Clock
(MHz)
VGA640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175 640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500 640x480@75Hz 840 x 500 37.500 N 75 N 31.500
DOS 720x400@70Hz 900 x 449 31.469 N 70.087 P 28.322
SVGA
800x600@56Hz 1024 x 625 35.156 P 56.250 P 36.000 800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000 800x600@72Hz 1040 x 666 48.077 P 72.188 P 50.000 800x600@75Hz 1056 x 625 46.875 P 75 P 49.500
XGA1024x768@60Hz 1344 x 806 48.363 N 60.004 N 65.000 1024x768@70Hz 1328 x 806 56.476 N 70.069 N 75.000 1024x768@75Hz 1312 x 800 60.023 P 75.029 P 78.750
CVT-0.92M9 1280x720@60Hz 1664 x 748 44.722 N 59.855 P 74.500 WXGA 1280x768@60Hz 1440 x 790 47.396 P 59.995 N 68.250 WXGA 1360x768@60Hz 1720 x 795 75.000 P 60.020 P 162.000
HL42XD2 Analog RGB Horizontal Vertical
Resolution Total Nominal
Frequency (KHz)
Sync Polarity
Nominal Freq.(Hz)
Sync Polarity
Nominal PixelClock (MHz)
640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175 640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500 640x480@75Hz 840 x 500 37.5 N 75 N 31.500 720x400@70Hz 900 x 449 31.469 N 70.087 P 28.322 800x600@56Hz 1024 x 625 35.156 P 56.25 P 36.000 800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000 800x600@72Hz 1040 x 666 48.077 P 72.188 P 50.000 800x600@75Hz 1056 x 625 46.875 P 75 P 49.5 1024x768@60Hz 1344x806 48.363 N 60.004 N 65.000 1024x768@70Hz 1328x806 56.476 N 70.069 N 75.000 1024x768@75Hz 1312x800 60.023 P 75.029 P 78.750 1280x720@60Hz 1664x748 44.772 N 59.855 P 74.5 1280x768@60Hz 1440x790 47.396 P 59.995 N 68.250 1280x1024@60Hz 1688x1066 63.981 P 60.020 P 108.000 1360x768@60Hz 1792x795 47.712 P 60.015 P 85.500 1440x900@60Hz 1600x926 55.469 P 59.901 N 88.750 1680x1050@60Hz 2240x1089 65.290 N 59.954 P 146.25 1600x1200@60Hz 2160x1250 75.000 P 60.000 P 162.00 1920x1080@60Hz 2200x1125 67.500 P 60.000 P 148.500
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HL32D2 Component
HL42XD2 Component
HL32D2&HL42XD2 HDMI VESA MODES
Horizontal Vertical
Mode Resolution Total Nominal
Frequency(KHz)
Sync Polarity
Nominal Freq. (Hz)
Sync Polarity
Nominal Pixel Clock
(MHz) DOS 720 x 400 900 x 449 31.469 N 70.087 P 28.322
VGA 640 x 480 800 x 525 31.469 N 59.940 N 25.175
SVGA 800 x 600 1056 x 628 37.879 P 60.317 P 40
XGA 1024 x 768 1344 x 806 48.363 N 60.004 N 65
WXGA 1280 x 768 1664 x 798 47.396 P 59.995 N 68.25
CVT-0.92M9 1280 x 720 1664 x 748 44.772 N 59.855 P 74.5
WXGA 1360x768@60Hz 1720 x 795 75.000 P 60.020 P 162.000
1080P 1920 x 1080P 2200 x 1125 67.5 60, 148.5
720P 1280 x 720P 1650 x 750 45.00 60, 74.25
1080i 1920 x 1080i 2200 x 1125 33.75 60, 74.25
480P 720 x 480P 858 x 525 31.50 60, 27.03
480i 720 x 480i 1716 x 525 15.75 60, 13.51
Industry Code
Input signal Format
Display performance description
Interlacerate
Partition
Total Line Per Frame
HorizontalFrequency
(KHz) Vertical
Frequency (Hz) SamplingFrequency
(MHz) ASPECT
480i 720 x 480 i 2:1 525 15.75 60 13.51 480P 720 x 483 P 1:1 525 31.50 60 27.03 720P 1280 x 720 P* 1:1 750 45 60 74.25 16:91080i 1920 x 1080 i* 2:1 1125 33.75 60 74.25 16:9
Industry Code
Input signal Format
Display performance descrip
Interlacerate
Partition
Total Line Per Frame
HorizontalFrequency
(KHz) Vertical
Frequency (Hz) SamplingFrequency
(MHz) ASPECT
480i 720x480i 2:1 525 15.75 60 13.51
480P 720x480P 1:1 525 31.50 60 27.03
720P 1280×720P* 1:1 750 45 60 74.25 16:9
1080i 1920×1080i* 2:1 1125 33.75 60 74.25 16:9
1080P 1920x1090P 1:1 1125 67.5 60 148.5 16:9
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4. Mechanical Instructions Note: Below are only the critical steps of disassembing the HL32D2 and HL42XD2 TV, and may be there is a little difference for the following pictures with the actual TV, only for your reference. HL32D2 Front and Rear View
1. Remove the BASE ASS’Y Unscrew the 4 screws as Fig 1.
Fig 1 2. Remove the REAR COVER ASS’Y Unscrew the 13 screws as Fig 2.
Fig 2
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3. Remove all the detachable HARNESS or CABLE. Disconnect the harness and cable as Fig 3.
Fig 3 4. Remove the MAIN, POWER, INVERTER BOARD and BASE-SUPPORT. Unscrew the 22 screws as Fig 4.
Fig 4
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5. Remove the BEZEL and PANEL. a. Unscrew the 4 screws as Fig 5a. b. Remove the 4 washers as Fig 5b.
Fig 5a
Fig 5b The BEZEL.
Fig 5
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HL42XD2 Front and Rear view
1. Remove the NECK COVER and STAND ASS’Y. a. Unscrew the 5 screws to remove NECK COVER as Fig 1a. b. Unscrew the 1 screw to remove STAND ASS’Y as Fig 1b.
Fig 1a
Fig 1b
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2. Remove the REAR COVER. Unscrew the 12 screws for rear cover and 3 screws for HDMI commector as Fig 2.
\Fig 2
3. Remove the all the detachable HARNESS. Disconnect all the detachable HARNESS as Fig 3.
Fig 3
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4. Remove the VESA BRACKET LCM. Unscrew the 2 screws to remove VESA BRACKET LCM as Fig 4.
Fig 4
5. Remove the MAIN, POWER and INVERTER BOARD. Unscrew the 17 screws as Fig 5.
Fig 5
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6. Remove the STAND BRACKET and BOLT. Unscrew the 7 screws and 4 bolts as Fig 6.
Fig 6
7. Remove the BEZEL and PANEL. Unscrew the 6 screws as Fig 7.
Fig 7
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The BEZEL.
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5. Repair Flow Chart 1. No power
No power (LED “Off”)
Check the AC input and the power is “On”?
Power “On”
Check the IR board and LED
Replace the IR board
Replace the main board
Power board output=5V? Replace the power board
No
Yes
No
Yes
No
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2. Can’t start
Can’t start (LED Red)
Replace the main board
Replace the Power board
No
Yes
No
Yes
No
No
Power board output 24V?
Check the power key is under control?
Check the IR receiver is normal?
Replace the power board
Replace the key board
Yes
Replace the IR board
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3. No display
Check the B/L signal is available?
Replace main board
Replace the power board
Panel Vcc = 5 V?
Replace the Panel
No display (LED Blue)
Replace the main board
Check the backlight is “On”?
Check the LVDS cable
Reinsert or replace the LVDS cable
Replace the main board
Replace the Panel
No
Yes
Yes No
Yes
No
No
YesYes
No
Yes No
Power board output 24V?
Check TV is under control and power on/off by remote control and power key?
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4. Sound problem
No sound or sound abnormal
Check the TV is muted, adjust the volume or enter the menu to reset?
Reinsert the audio cable or change the TV system
Replace the cable
Replace the speaker
Replace the main board
No
Yes
No
Check the cable between the speakers and main board is ok?
Check the speaker resistance value is in spec (Remark: The value is marked on the speaker)?
Check the audio source connection and the TV system are correct
Yes
No
No
Yes
29
5. Remote Control malfunction
6. OSD is unstable or can’t work normally
Remote Control malfunction
Replace the battery
Replace the remote control
Whether the IR board is abnormal?
Yes
No
Replace the IR board
Replace the main board
No
Yes
No
Yes
Use the other remote controls
Check the remote control battery is not properly placed or no power?
Key board connected properly? Reconnect the key board
Buttons are ok? Replace the button function
Yes
No
Key board is ok? Replace the key board
Replace the main board
No
Yes
No
Yes
OSD is unstable or can’t work normally
30
6. PCB Layout 6.1 Main Board
715G3269M01001005K
31
32
33
34
6.2 Power Board HL32D2 715G3332 1
35
715G3645P01W30003S
36
HL42XD2 715G3351 1
37
38
39
715G3358 2
40
6.3 Key Board 715G3293 1
6.4 IR Board 715T3294 1
41
7. Adjustment It’s no need to adjust the white balance for this model, do ADC only.
Step1: Turn on the TV, press “Menu”, then press number key 1 9 9 9 and “ENTER”, it will achieve the factory
mode. Take the following picture for example:
Step2: Change TV, press the “Current Source” to Component mode and change signal to 1080i mode, press the
“Auto Color”;
Step3: Change TV, press the “Current Source” to PC mode and change signal to PC TIMING 137(1024X768);
Pattern 147 (16 Grays), press the “Auto Color”.
42
8. Block Diagram
5VT8V3P12VU708 G9084T43UP12V
U706 SC194BMLTRT
CVBS
POWERBOARD
ZR39775HGCF
FLASH ROMMX25L3205DMI-12G
P24V
DDRIIH5PS5162FFR-25C
LCD PANELLVDS
P24V
EJTAG
GPIO
M24C64
Inverter & Audio Amplifier
U704 SC4524BSETRT
+5VSB+5VSB
1V8_STB
VCC5D
U707 SC4524BSETRT
3V3_STB
D3V3U703 G1084-33T43Uf
VCC5D
VCC1V1
U702 AIC1084-18PE
U710 SC4525BSETRTP12V
PANEL_5V
CVBS
VIDEO1
TunerENV56S02D8F
VIF
CVBS
VIDEO2
LINE OUTR/L
Audio AmplifierTPA3121D2PWPR
SPEAKER
S/PDIF
Earphone AmplifierTPA6113A2DR
EAR PHONE
TL072CDR
S-VIDEO1 Y/C
YPbPr
YPbPr1 AUDIO-R\L
SN74LVC1G17
AV1 AUDIO-R\L
I2C
AV2 AUDIO-R\L
Hsync, Vsync
AF24BC02
YPbPr2 AUDIO-R\L
YPbPr1
VGA
YPbPr2
RGB
VGA AUDIO-R\L
YPbPr
For TPA6113A2DR
U404 MX25L3205DMI-12GFor SPI Flash
3V3_STB
FOR VGA EDID
P24V
U602 TPA3123D2PWPR
VCC1V1
U405 M24C64
POWER INPUT TYPE +5VSB , P12V, P24V
For ZORAN standby pow er
D3V3
FOR TUNER+5V8.3V
For EEPROM
VCC5D
D3V3
U604 TPA6113A2DR
For Digital Circuit
U707 SC4524BSETRT
5VTU709 AZ1117D-5.0-E1
+5VSB
U401 ZR39775HGCF
For ZR39775 Core
+5VSB
U703 G1084-33T43Uf
U401 ZR39775HGCF
P12V
TU201U708 G9084T43U
FOR MCU 1V8_STB
FOR PANEL LVDS
For ZR39775
U208 AF24BC02-SI
FOR Inverter
FOR TPA3123D2PWPR
TMDS
TMDS
HDMI-3 TMDS TMDS
HDMI-1
TMDS
TPD12S520DBTR
SiI9185A
HDMI-2
TMDS
HDMI-4
U702 AIC1084-18PE1V8_STB
U706 SC194BMLTRT
U401 ZR39775HGCFD1V8
For DDR IIU410 H5PS5162FFR-25C
For ZR39775U704 SC4524BSETRT
U709 AZ1117D-5.0-E1
D1V8
43
9. Wiring Diagram HL32D2
Key Board
Power Board U401
3 Pi
n (2
ndN
C)
CN
801
Panel
IR Board
CN
902
CN01
5 Pi
n
CN
802
Speaker R/L
5 Pi
n
24 Pin
Scaler IC
ZR39775HGCF
LVDS Cable
CN405
CN
701
12 P
in
10 Pin
12 P
in
CN403
Tuner
4 Pin
CN01
4 Pi
n
CN
606
InverterBoard
3 Pi
n 3
Pin
6 Pi
n C
N88
02
CN
8801
C
N88
03
TU201
CN901
44
HL42XD2
Key Board
Power Board
U401
3 Pi
n (2
ndN
C)
CN
801
Panel
IR Board
CN
903
CN01
5 Pi
n
CN
802
Speaker R/L
5 Pi
n
24 Pin
Scaler IC
ZR39775HGCF
LVDS Cable
CN405
CN
701
12 P
in
10 Pin
12 P
in
CN403
Tuner
4 Pin
CN01
4 Pi
n
CN
606
Inve
ter B
oard
6
Pin
3 Pi
n C
N88
01
CN
8802
TU201
CN901
CN
8810
C
N88
09
CN
8808
C
N88
07
CN
8806
C
N88
05
CN
8804
C
N88
03
To panel
45
10. Schematic Diagram 10.1 Main Board 715G3269M01001005K03) Tuner