may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any
language or computer language, in any form or by any means, electronic, mechanical, magnetic,
optical, chemical, manual or otherwise, without the prior written permission of HannStar
Corporation.
Disclaimer
HannStar makes no representations or warranties, either expressed or implied, with respect to
the contents hereof and specifically disclaims any warranty of merchantability or fitness for any
particular purpose. Further, HannStar reserves the right to revise this publication and to make
changes from time to time in the contents hereof without obligation of HannStar to notify any
person of such revision or changes.
Trademarks
HannStar is a registered trademark of HannStar Corporation.
All other trademarks used within this document are the property of their respective owners.
Revision History
Revision SM Editing Date ECR Number Description of Changes Editor
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disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 3 / 92
Document No. LF100-000210 Revision 1.0
TABLE OF CONTENTS
1. Precautions and Safety Notices 4
2. Product Specification 6
3. Front Panel Function Control Description 8
4. Disassembly Procedure 12
5. Adjustment Procedure 20
6. Troubleshooting Flow Chart 39
7. Exploded Diagram and Exploded Parts List 54
8. Block Diagram 56
9. Schematic Diagrams 57
10. PCB Layout Diagrams 79
11. Firmware Update SOP 86
12. FAQ 88
13. EDID Text 91
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disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 4 / 92
Document No. LF100-000210 Revision 1.0
1. Precautions and Safety Notices
1.1 Safety Precautions
Installation Safety Notes: Avoid allowing the TV to get prolonged exposure to sunlight or other
strong sources of heat. Leave sufficient distance between the TV and the wall to provide enough
spare space for the emission of heat.
Warning: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or
moisture. Apparatus shall not be exposed to dripping or splashing and no objects filled with
liquids, such as vases, shall be placed on the apparatus.
Caution: These serving instructions are for use by qualified service personnel only. To reduce the
risk of electric shock, do not perform any servicing other than that contained in the operating
instructions unless you are qualified to do so.
Notes:
The LCD TV is for entertainment use only and visual display tasks are excluded.
This device uses a VGA connector to connect to a PC. To reduce the influence of main frequency
of the source signal, use a VGA monitor cable with ferrite shield.
1.2Product Safety Notice
1. Read these instructions
2. Keep these instructions
3. Heed all warnings
4. Follow all instructions
5. Do not use this apparatus near water.
6. Clean only with dry cloth
7. Do not block any ventilation openings. Install in accordance with manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug
has two blades with one wider than the other. A grounding-type plug has two blades and a
third grounding prong. The wide blade or the third prong are provided for your safety. If the
provided plug does not fit into your outlet, consult an electrician for replacement of the
obsolete outlet.
10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience
receptacles, and the point where they exist from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. use only with cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with
the apparatus when a cart is used, use caution when moving the cart/apparatus combination
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 5 / 92
Document No. LF100-000210 Revision 1.0
to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus
has been damaged in any way, such as power- supply cord or plug is damaged, liquid has
been spilled or objects have fallen into the apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or has been dropped.
15. WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain
or moisture.
16. The apparatus shall be connected to a MAINS socket outlet with a protective earthing
connection.
17. Where the MAINS plug or an appliance coupler is used as disconnect device, the disconnect
device shall remain readily operable.
18. The apparatus should be used in moderate climate.
19. The apparatus shall not be exposed to dripping or splashing and that no objects filled with
liquids, such as vases, shall be placed on the apparatus.
1.3 Service Notes
When replacing parts or circuit boards, clamp the lead wires around terminals before
soldering.
Keep wires away from high voltage, high temperature components and sharp edges.
Keep wires in their original position so as to reduce interference.
Adjustment of this product please refers to the user’ manual.
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 6 / 92
Document No. LF100-000210 Revision 1.0
2. Product Specification
2.1 Front View & Back View
2.2 Physical Specification
2.2.1 Main Features
Features Specifications
Panel
Maximum Resolution 1920 x1080 (WUXGA)
Back Light System LED
Pixel Pitch 0.1615 (H) x 0.4845 (V)
Display Area 930.24 (H) x 523.26 (V), 42” diagonal
Panel Interface 4-CH LVDS
Brightness 450 cd/m2 (Typical)
Display Color 1.07G
Contrast Ratio 4000׃1 (Typical)
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disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 14 / 92
Document No. LF100-000210 Revision 1.0
1080P 1920 x 1080 148.50 67.50 60
1080P 1920 x 1080 74.25 27 24
1080P 1920 x 1080 74.25 33.75 30
2.3.4 AV
Resolution Pixel Clock MHzHsync KHz Vsync Hz
NTSC 480i 13.50 15.73 60
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disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 15 / 92
Document No. LF100-000210 Revision 1.0
3. Front Panel Function Control Description
3.1 Button Description & Function Instruction
User Control: 7 buttons at the side of the TV (from Down to Up).
Description Button Function
Power
Power button. Press to turn the TV on or
off.
Input Source INPUT Press to open the input source list.
Menu MENU Press to open the OSD menu.
Press to increase the channel number or
Channel Select CH ▲
move upward to the previous item on the
OSD menu.
Press to decrease the channel number or
Channel Select CH ▼
move downward to the next item on the
OSD menu.
Press to increase the channel number or
Volume Adjust VOL ▲
move upward to the previous item on the
OSD menu.
Press to decrease the channel number or
Volume Adjust VOL ▼
move downward to the next item on the
OSD menu.
3.2 Function of Remote Control Button
Remote Control Electrical Specifications
Custom Code and Key Code Format Definition
Transmission format: NEC 2Packet
Carrier Frequency: 37.9 kHz
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disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 16 / 92
Document No. LF100-000210 Revision 1.0
No. Key Function Description
1
Standby/ On
Switches the TV to on if the TV set is
standby. Switches the TV to standby if the
TV set is on.
2
Input Selects a connected device.
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 17 / 92
Document No. LF100-000210 Revision 1.0
3
4
5
6
7
Numeric
buttons
Selects a channel or setting.
Displays program information.
Last Returns to a previous channel.
Information Displays program information.
Menu Open/Close Main menu
Navigation and
OK
Use up/down/left/right key to navigate
menu and OK key to select.
8
DTV source display EPG guild
9
Return Return last layer OSD
Volume
10
Increases or decreases volume.
up/down
Channel
11
up/down
Switches to the next ot previous channel.
12
Mute Mutes sound output.
ATV Source:
13
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
MTS
Change TV sound to mono, stereo or SAP
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Document No. LF100-000210 Revision 1.0
mode. (Multi Channel Television Sound)
DTV Source:
Change audio language
14
15
Favorite My favorite
Aspect Aspect ratio
16
Sleep Sleep function On/ Off and time setting
17
Closed captionClosed caption function control
18
19
20
3.3 Hot Key Function Instruction
Factory Mode: non-support hotkey.
N/A(DVD use)
N/A(DVD use)
Support Universal RC
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 19 / 92
Document No. LF100-000210 Revision 1.0
4. Disassembly Procedure
Step 1. Remove the Base Assy.
Remove the 4 screws, detach the base .
Step 2. Remove the REAR COVER Assy.
Remove the 25 screws,2 bolt,1 tune nut ,1 rubber washer and the power cable cover. Detach
the REAR COVER.
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disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 20 / 92
Document No. LF100-000210 Revision 1.0
Step 3. Remove the MEMC board ,IR board,woofer
Remove the 7 ACE tape,2 foil,16 screw.Disconnect all cable include power cable, Detach the
MEMC board ,IR board,woofer and Power cable holder.
Step 4. Remove the main chassis and speaker.
Remove the 8 screw. Detach main chassis and speaker.
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 21 / 92
Document No. LF100-000210 Revision 1.0
Step 5. Remove Power board, Main board and Side I/O bracket.
Remove the 11 crews. Detach Power board, Main board and Side I/O bracket.
Step 6. Remove the Panel
Remove the 12 screws and 4 fix plate. Detach the Panel as.
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 22 / 92
Document No. LF100-000210 Revision 1.0
5. Adjustment Procedure
5.1 OSD Main Menu
5.1.1 OSD Setting Menu
The On-screen Display (OSD) menu system provides a quick and simple method to adjust theTV
setting. The OSD menu can be accessed through the buttons either on the control panel or
remote control.
Before going to details of each OSD item ,you may get acquainted with the placement of the
OSD system.
MAIN MENU
Displays a list of menu items. The
chosen items is marked by a
different color than other menu
CURRENT MENU
Displays the title of the
currently chosen menu
INSTRUCTIONS
Quick instructions
for adjusting the
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 23 / 92
Document No. LF100-000210 Revision 1.0
5.1.2 Storing Channels into Memory
1.Press MENU to display the OSD main
menu.
2.PressΛ/ V to select the channel menu,and
then press OK to enter.
3.Press Λ/ V to select Antenna and use OK
to select Air or Cable.
Air: RF signal programs by air
Cable: RF signal programs by cable
4.PressΛ/ V to select Scan Mode.
Press OK and useΛ/ V to select Auto
Analog or Digital .
5.PressΛ/ V to select Auto Scan,and then
press OK to enter.
To stop scanning, press MENU at any time.
6.The Auto Scan screen will be shown ,and
after it is done,the screen will return to the
first found channel.
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 24 / 92
Document No. LF100-000210 Revision 1.0
5.1.3 Viewing the Menus
1. Press MENU to display the OSD main menu.
There are five top menus on the screen: Picture,
Audio, Channel, V-CHIP and Setup.
2. PressΛ/ V to select your desired top menu.
3. Press OK to enter the menu you select.
4. PressΛ/ V to select the control you want to
adjust
5. When selecting the control with OK or> ,
press > or OK to enter next level menu or enable
the function.
6.Press </> to adjust or select settings.
5.1.4 Favorite Channel Setting(TBD)
5.1.5 Showing/ Hiding Channel(TBD)
5.1.6 Channel Name Setting(TBD)
5.1.7 Setting up Picture Options
1. Press MENU to display the OSD main menu.
2. PressΛ/ V to select Picture menu, and then
press OK to enter.
3. PressΛ/ V to select the control of Picture
mode, Contrast, Brightness,Shapness, Tint,
Back light, Color, Color Temp and so on, and
then press < / > to adjust the level.
4. Press RETURN to return back to previous
menu in Picture
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
A
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Document No. LF100-000210 Revision 1.0
5.1.8 Setting up Audio Options
1. Press MENU to display the OSD main
menu.
2. PressΛ/ V to select Audio menu, and
then press OK to enter.
3. PressΛ/ V to select the control of Audio
mode, Equalizer, Balance, SRS
TruSurround XT, Helios SOUND, MTS,
uto Volume, Speaker, Recall, and then
press < / > to select your desired option.
4. Press RETURN to return back to top
5.1.9 Configuring System Setting
1. Press MENU to display the OSD main
menu.
2. PressΛ/ V to select Setup, and then
press OK to enter.
3. PressΛ/ V to select the control of Setup
Wizard, OSD Language, OSD Time, Clock
Mode, Clock Set, Time Zone, Sleep Time,
and so on. and then press < / > and OK to
select your desired option.
4. Press RETURN to return back to top
5.1.10 Setting up Time Menu(TBD)
5.1.11 Closed Caption Setting(TBD)
5.1.12 Using the Parental Controls(TBD)
5.1.13 To Block Unrated Movie or TV Programs(TBD)
5.1.14 To Set Rating Region Table(TBD)
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
A
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5.1.15 To Change Password(TBD)
5.1.16 To block by Input Source(TBD)
5.1.17 To Restore Factory Setting(TBD)
5.1.18 Using PC Function
1. When in PC source, Press MENU to
display the OSD main menu.
2. Press Λ/ V to select Picture, Audio,
PC Setting, Setup and press OK to
enter.
3. PressΛ/ V to select PC Setting, use
OK and Λ/ V select H-Position,
V-Position, Phase, Clock, Auto Adjust
and then press OK to enter
5.2 OSD Function Menu
TV Mode
Layer 1 Layer 2 Layer 3 Note 1
1. Default: Vivid
2. Picture Mode: If want adjust related picture
function in Vivid, Standard and Movie Mode,
Picture
Picture Mode Vivid/ Standard/ Movie/ User
Brightness 0~100 By Picture Mode
Contrast 0~100 By Picture Mode
Sharpness 0~100 By Picture Mode
Color 0~100 By Picture Mode
Tint -16~16 By Picture Mode
Color Temp Warm/ Standard/ Cool By Picture Mode
Back Light 0~14 By Picture Mode
Aspect Ratio
Auto/ Full/ Normal/ Subtitle/
Zoom/ Zoom-1 / Wide
TV-system will copy all picture setting of curren
picture mode and save them in user mode.
nd then system will change to user mode
automatically. In this way, you can adjust
related picture functions in user mode
Default: Full.
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disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
A
Document Title SV42LMUB_AX_US_HSM Page No. 27 / 92
Document No. LF100-000210 Revision 1.0
Light Sensor Off / On
1.Default: Off
2. When set to On, Back Light needed to
disable.
1.Default: Off
X-Contrast Off / On
2. When set to On, Back Light needed to
disable.
Digital NR Off / Weak / Medium / Strong Default: Weak
Recall Set
the setting value of Picture’s sub-items return to
default value
1. Default: Dynamic
2. Audio Mode:When Dynamic Standard or Soft
Audio Mode Dynamic / Standard / Soft / User
ajust the setting, the current model will apply to
all settings in User Mode and automatically
Switch to User Mode allows to be adjusted in
this mode.
100Hz: -50~50 By Audio Mode
300Hz: -50~50 By Audio Mode
Equalizer
1KHz: -50~50 By Audio Mode
3KHz: -50~50 By Audio Mode
Audio
Balance
MTS (ATV
uto Volume
SRS
10KHz: -50~50 By Audio Mode
-50~50 Default: 0
Stereo / Mono / SAP Default: Stereo
Off / On Default: On
Off / On Default: Off
Helios Sound Off / On Default: Off
Channel
V-Chip
Speaker External /TV Default: TV
Recall Set
the setting value of Audio’s sub-items return to
default value expect MTS
Antenna Air/ Cable Default: Air
Scan Mode Auto/ Analog/ Digital Default: Auto
Default (Antenna-Air): Start
Default (Antenna-Cable): Auto
Favorite list Default: All dis-select.
1. Default: 0000
Enter
Password
Please Enter Password: ****
2. When has not input the password, the other
sub-items are disable. Enter the correct
password, Lock and Unrated Block is enable.
3. Super password (70718512).
Change
Password
Change Password: ****
Confirm Password: ****
After Change the Password input completes,
only then enters Confirm Password.
1.Default: Off
Lock Off/ On
2.When set to On, the following sub-items will
enable.
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disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
Document Title SV42LMUB_AX_US_HSM Page No. 28 / 92
Document No. LF100-000210 Revision 1.0
Unrated Block Off/ On Default: Off
MPAA G, PG, PG-13, R, NC-17, X, NR Default: All dis-select.
TV-Y: All Default: All dis-select.
TV-Y7: All, FV Default: All dis-select.
TV Rating
TV-G: All Default: All dis-select.
TV-PG: All, D, L, S, V Default: All dis-select.
TV-14: All, D, L, S, V Default: All dis-select.
TV-MA: All, L, S, V Default: All dis-select.
Setup
Canadian
English
Canadian
French
Setup Wizard Set
OSD
Language
OSD Time
Daylight
Saving
Time Zone
Sleep Time
On Time
E, C, C8+, G, PG, 14+, 18+ Default: All dis-select.
E, G, 8 ANS+, 13 ANS+, 16
ANS+, 18 ANS+
Default: All dis-select.
English/ Español/ Français Default: English
10 secs/20 secs/30 secs/60
secs
Default: 20 secs
Auto/Off/On Default: Auto
Eastern/ Central/ Mountain/
Pacific/ Alaska/ Hawaii
Off/ 30min/ 60min/ 90min/
120min/ 150min
Activate/Inactivate, Once/Daily,
Hour, Minute, AM/PM, On
Volume
Default: Eastern
Default: Off
1:Default: Inactivate.
2:When the On Time to Inactive then disable all
sub-item; When the On Time is Active then
enable all sub-item.
2:When the Off Time to Inactive then disable all
sub-item; When the Off Time is Active then
enable all sub-item.
Hannspree
Light
Off/Low/ Medium/ High Default: Low
Melody On/Off Default: On
CC Mode Off/ On/ On Mute Default: Off
Analog CC
CC 1/ CC 2/ CC3/ CC 4/ TEXT
1/ TEXT 2/ TEXT 3/ TEXT 4
Default: CC1
Auto, Service 1, Service 2,
Digital CC
Service 3, Service 4, Service 5,
Service 6, Service 7-63 [7],
1. Default: Auto.
2. Only for DTV
Analog CC
1.Default: Program.
2. Two modes have a group of settings values
(Font Size, Font Style, FG Color, BG Color, FG
CC Style(DTV
only)
Style Mode: Program/ User
Opacity, BG Opacity, Edge Type, Edge Color).
3. Under the Program mode adjusts the setting
value, all parameter values apply to User mode
and automatically switch to User Mode in order
to make adjustments for.
The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not be
disclosed, distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.
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