LFD-Monitor
Contents
1. w ww wwwnmwamwanwwanwanwwnnwanwanuwanunanunumanunanw nanunua 4 10 4 7 Installing OS Network rrrrarernnrrranernnrrrnnrrranernanernnennnnrnnnrnnanennannnunennnernnnennanennnsennnene 4 13 FSS MEN 4 15 Wiring Diagram ER NE NE nenengen SNEUE ERN NER 5 1 ELD 5 1 9 2 BOard CONS CUO 5 a aira AA aa 5 3 5 3 Board Connection Main Board veeiscaciicedesdeacctonsenndesydedssdanscaeeUsneetersoneebeeedbsebavavctmedeysenasete 5 4 5 4 Board Connection Network BOard cccccccccseccseeeeeneeceeeseueeseeeeeeesaaeesueessueeseeesaneeses 5 5 5 5 Board Connection SMPS Board c cccccscccsececseeceececaeecceeecseescueecaesecseeseeeesseesaeeeses 5 6 5 6 Functions of Cables and Connectors cccccececcccecececcccccececcacececececcacaeeceneaeacsnenearees 5 7 2010 S Electronics Co Ltd This Service Manual is a property of Samsung Electronics Co Ltd All dad aa sdn ee Any unauthorized use of Manual can be punished under applicable Panted in Korea International and or domestic law P N BN82 01092A 00 3 Disassembly and Reassemble 3 Disassembly and Reassemble This section of the service manual describes the disassembly and reassembly procedures for the monitor Z WARNING This monitor contains electrostatically sensitive devices Use caution when handling these components 3 1 Disassembly A Cautions 1 Turn the monitor off before beginning the disassembly process 2 When disassembl2. Port 1 4 5 3 F Analog HDMI 1 2 3 One Data Two Data Win DDC System Log On C One EDID Two EDID SM460UTN2A dd Load The File Cancel ME HAN DDC ure S MN DEASMSUTINMA nM gt G anser itn Ready 53 SM460UTN2H1 Three EDID C PAE 53 SM460UTN2H2 Four Data INPUT OUTI C analog HOMI 12 3 HP PR ESP Et neo f enes He SACD f nalog DM or HDMI DDC File ddc een l 5 Enter the serial number of the monitor When Digital is input after Analog is input repeat Steps 2 5 WinDDC 5 Port or IR BY SAMSUNG ELEC Co DDC Ver 4 65 14h Program Version 20071203 USB ox ra 2003 01 01 DDC Open F5 WEEKIF6 Inform Write Station Buyer SAMSUNG File SM460UTN2A Mfr Name SAM Prod Code CB06 Week 20th of 2010 EI cade E Not Registered DDC Version 4 65 14h Upper S No CH 4 6 EDID YWrited In EON i Port no of DDC manager MTI 20xx Det Timing N u I PONE Use OSD S No Write S No Ox1E Serial No Input ZQ41H1LZ500015 Recent DDC File 1 31 SM460U TN2A DDC 22 Delete All DDC Recent file list Error Not Found ddc modelcode t t File Load File The Analog File SM460UTN2A DDC Week Input 20th of 2010 05 19 Load File Compleate BARCODE Can t Find S N Range Disable S N Range Check Function BARC
3. LFD Monitor Chassis LH46CKP LH46CKT Model 460UT 2 460UTn 2 S E R VIC Manua Ts 460UT 2 460UTn 2 1 Precautions 2 Product specifications 3 Disassembly and Reassemble 4 Troubleshooting 5 Wiring Diagram Contents Mice ce 1 1 1 1 Safety Precautions esel 1 1 1 2 SPENN 1 2 1 3 Static Electricity Precautions 1 2 1 4 Installation PISI EE 1 3 Product SPENN 2 1 2 1 Feature e 9pDecilCallODSLsaeduiniczxausE era eaaa dOInAaIM ek DUUM ERES R RECO RUE naen anane 2 1 2 2 Spec Comparison to the Old Models rrnnrrnnrrnnrrnnrnnnrnnnrnnnrnnnrnnnnnnnennnvnnnvnnsvnanennvenenene 2 4 2 9 ACCOSSOITOS ia AAA AAA AA AWA 2 5 2 4 Accessories Sold separately cccccccccsscccececeeceeeeceeeeeeseeeseeeceueeeeeesseeseeeeaeeeseeeeaeeesans 2 6 2 5 Product Differentiation Features ccccccccccscccsececeeeeeeeeseeeeceeeceeeeseeeseeesegeeseeseeseseeesans 2 7 Disassembly and Reassemble nnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnennunnnunnn 3 1 FL DENN GS 3 1 3 2 Internal Structure Skre 3 5 Troubleshooting PR 4 1 ELEN 4 1 d NOF m anae aaa IN Bada en nunc a a aaa aa ga AA bn a ag SANGA INI c n r 4 2 4 3 No PC Component AV D SUB Picture aaa aaa eaaa eaaa aana n eeeeeeeseeeseeeeseeeseneesaees 4 4 4 4 No HDMI VE 4 6 459 IO PODOS ii IA aa 4 8 4 6 Faults and Corrective ACtioONS
4. LULU GPX gp Nda TE sund KOS 900 IM 105 900 Keg eg UPS Jo SLOT JA M J03onpu 134 6 2 Board Connection 6 Wiring Diagram Network Board Only for the UTn series 6 3 6 Wiring Diagram 6 3 Board Connection Main Board n FRE m Ern i n g n ri il qu ETE Irem a jor Et MATI erg ogee VER i ibe bent u pr me Li F dd go k x i n T E 4 if a i NEN CET g y AN L E j ey Geer pes porn Ag ls a Le a En a u kawang 3 fa SEG 18 17 16 15 14 13 12 1 Function to Main connector 10 DC DC 2 SMPS to MAIN connector 11 RS232C OUT 3 FFC connector 31P 12 RS232C IN 4 IR Loop out IN OUT 13 LAN 5 D SUB IN 14 HDMI2 connected to network 6 AUDIO IN 15 HDMI1 7 AV AUDIO IN 16 DP 8 COMPOSITE 17 DVI IN 9 AUDIO OUT 18 DVI OUT Digital Loop out 6 4 6 4 Board Connection Network Board IM fv Her tiii MANE visi radiis ilia Led Hid lm 6 Wiring Diagram 16Pin power Connector Network to Sub SMPS RGB OUT HDMI out magicinfo LAN Connector USB Connector 2 3 3 3 4 Bios Clear Button PC bios Reset 6 Wiring Diagram 6 5 Board Connection SMPS Board JE EO 6 6 l Dp IU Hi arty o AB i Hg HT HH i a bre j P i A Sd E gt A I t mae IH ve NN J k a QC CX OC 5 30Pin c
5. 1 wy x 3 5 3 Disassembly and Reassemble Memo 3 6 1 Precautions 1 Precautions 1 1 Safety Precautions Follow these safety servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock 1 1 1 Warnings 1 For continued safety do not attempt to modify the circuit board 2 Disconnect the AC power and DC power jack before servicing 1 1 2 Servicing the LCD Monitor 1 When servicing the LCD Monitor Disconnect the AC line cord from the AC outlet 2 It is essential that service technicians have an accurate voltage meter available at all times Check the calibration of this meter periodically 1 1 3 Fire and Shock Hazard Before returning the monitor to the user perform the following safety checks 1 Inspect each lead dress to make certain that the leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the monitor 2 Inspect all protective devices such as nonmetallic control knobs insulating materials cabinet backs adjustment and compartment covers or shields isolation resistorcapacitor networks mechanical insulators etc 3 Leakage Current Hot Check Figure 1 1 WARNING Do not use an isolation transformer during this test READING SHOULD NOT BE ABOVE 0 5mA LEAKAGE CURRENT TESTER DEVICE UNDER TEST TEST ALL EXPOSED METAL SURFACES 2 WIRE CORD ALSO TEST WITH
6. The operating diagram below shows how the picture is displayed when a device that has the HDCP feature is connected to a monitor that contains an HDCP authentication code The picture is displayed after an authentication decoding process via the HDMI s I2C line DIGITAL VISUAL INTERFACE TRANSMITTER RECEIVER 1 Authentication takes about 2 seconds 2 If authentication fails A static screen will be displayed Check the supported resolution Turn the power switch off and on for re authentication Enter the HDCP key again Check that the device supports HDCP authentication 2 11 2 Product specifications Memo 2 12 4 Troubleshooting 4 Troubleshooting 4 1 Troubleshooting 1 Before troubleshooting setup the PC s display as below Resolution 1366 X 768 H frequency 66 kHz V frequency 60Hz 2 If no picture appears make sure the power cord is correctly connected 3 Check the following circuits e No raster appears Function PCB Main PCB I P PBA 55V develop but no screen Main PBA e 5V does not develop I P PBA After soft power turn off push the mute 1 8 2 power on and so enter the Service Menu If you choose the reset the monitor automatically returns to factory reset 4 1 4 Troubleshooting 4 2 No Power When turning on the Power button after connecting the power the LED at the front of the Symptom monitor does not operate Check the SMPS boar
7. White Balance Main Advanced Sharpness Enhancers Back End Audio AV Video System Option Spread Spectrum Panel Info Reset Factory Reset Reset the setting on the Service Menu to the default setting Need to turn the Power On Off after reset Checksum The 4 digit serial number regarding the micom code is displayed if you select this 4 21 4 Troubleshooting 4 8 3 Entering DDC Connect the parallel port printer port of the PC and the D SUB DVI HDMI cable of the monitor by using the DDC manager jig For the connection refer to the following figure DVI to HDMI Cable HDMI DDC HDMI DDC HDMI1 HDMI2 Conncet parallel of PC DVI DDC lt Input DP DDC to Main Board as code gt 4 22 4 Troubleshooting Input Procedures Select Open File 1 2 Select Port 1 D SUB Select Port 2 DVI Select Port 3 HDMI 3 Select the DDC file 4 Click the Next OK button E x C2 ES ppc D FN WEEK F6 Inform Mf Wa ppc Open F5 WEEK F6 Inform The others infomation Mfr Name Prod Code Week Model Code pum eg aS NNF Version 4 65 14h Upper S No HEST aa One Data Two Data imame p Det Timing 9 OwEDD EDID C Two EDID e SS EEUU S No SNC 2 1460UTND 84 SM460UTA sen 1460UTND 4 SM460UTN Three Data 2 DVI i i 2 SM460UTND DDC Win I pom gt Port M60UTND 3 SM460UTP S 2 3 E 460UTND 3 SM460UTN Load Four Data
8. Install and run 1123729948 SP27213 exe 2 Choose a driver equipped with USB memory and select FAT as the file system 3 Decompress EBD zip which is attached And select it for location of Format Option Create a DOS startup disk 2 SFIM Download 1 Copy the SFIM exe file from the SFIM Ver 2 0 folder and paste it to the USB memory root directory 2 Remove the USB memory from the PC 3 When the USB memory is ready connect the USB keyboard and USB memory to their corresponding USB ports on the network board of the product and then turn the power on 4 BIOS setup After turning the power on press F2 on the screen below to start the BIOS screen 5 Move to lt Info gt lt Boot gt tab using lt gt on the keyboard Select the connected USB using lt gt on the keyboard Change the boot priority order to 1 using the lt gt button 6 Press F10 to select Yes from Setup Confirmation and press Enter va a a i I i TET MEWN 7 Running SFIM After BIOS setup it operates Command Prompt Type the command as below C N gt sfim r1 image sfi In image sfi the image can be changed randomly e g 320MX sft etc 4 13 4 Troubleshooting 1 If the blue progress bar reaches its fullest extent 100 it means that the process is complete Turn the LCD monitor off Microsoft R Windows 98 C Copyright Microsoft Corp 1981 1998 gt sfin NEL LC NIS Single Image File May not be Sufficient Spanning Enable
9. may be slight difference in voltage between electrodes that work the liquid crystal LC in a pixel The voltage difference between electrodes increases with time forcing the liquid crystal to lean When this occurs the previous image may be seen when the pattern is changed To prevent this the Bus Lin ITO accumulated voltage difference must be decreased Black Matrix Cs t 2 9 2 Product specifications Type 1 Screen Scroll Screen is automatically scrolled FLIGHT TIME FLIGHT TIME 02348 20 30 02348 20 30 UA102 21 10 UA102 21 10 Interval 1 10 hour Recommend 1 Second 1 5 second Recommend 5 Type 2 Pixel One dot on off and move FLIGHT TIME 0Z348 20 30 UA102 21 10 eh Interval 1 10 hour Recommend 1 Second 10 50 second Recommend 50 Type 3 Bar 2 bars move with crossing each other FLIGHT TIME FLIGHT FLIGHT Screen Protection 07348 20 30 AR 027348 UA102 21 10 UA102 Screen Protection Interval 1 10hour Recommend 1 Second 10 50 second Recommend 50 Type 4 Eraser 2 blocks move with erasing the display FLIGHT TIME FLIGHT 02348 20 30 072348 UA102 21 10 UA102 Interval 1 10 hour Recommend 1 Second 10 50 second Recommend 50 2 10 2 Product specifications HM HDCP Operation 4 HDCP A decoding function designed to protect digital content included in HDMI signals
10. 1 Waveform uv 0 00000 s N UI D lt lt Ch2 Freq 30 49kH2 6 Feb 2006 20 53 39 ijv 0 00000 s 4 Troubleshooting Ch2 Freq 6 812kHz 20 54 27 6 Feb 2006 4 Troubleshooting 4 5 O S Problems Symptom The monitor does not boot Check the BNC cable connections Major Check whether the LVDS cable is connected correctly to the panel checkpoints Check whether the lamp connector of the panel is connected correctly to the SMPS board Diagnostics When turning on power in Magic Info mode Does the Sam Sung Logo Check the LED A appear on display Yes No Restore OS Image or Replace Does appear Blue Screen as like 0 HDD Yes During the Booting Does appear error Restore OS Image or Replace message as like QD HDD Yes Check the CPU and DIMM Memory status And Replace the Network B D Make sure to disconnect the power before working on the SMPS board 4 8 4 Troubleshooting 4 5 1 Screens to Check OL ra Va t Chg LT Cow E d iau ql Li Toe Lt a hard drive 4 9 4 Troubleshooting 4 6 Faults and Corrective Actions Category Defect symptoms and Actions taken Model 400PXn Beethoven 2 CPU Socket problem Symptoms Various defects found in marketed products Windows boot up failure Windows freeze up Windows restart Blue screen Windows error message etc Causes Poor contact occurred between the CPU and the CPU socke
11. 100 90 gt Improves the sensitivity of the existing illumination sensor according to the user conditions The function has been improved so that the lamp brightness is maintained constant for 10 a specific period of time or the brightness is changed after a specified delay In addition the brightness is changed smoothly and not in steps to resolve the problem when the screen Reading Value brightness is changed rapidly HM Digital loop out function You can connect up to 50 monitors in a Daisy chain DVI HDMI DP Magicinfo Source Supported Frang Fon sano sss 2 8 2 Product specifications B Brithness control using Ambient Sensor gt This Model needs to use remote controller and automatically adjust brightness at the front of product Ambient Sensor Control using MDC B Application of Magiclnfo i Advanced 1 Existing Model gt Magiclnfo Magiclnfo Pro Magiclnfo i Standard Edition 2 460UTn 2 Removing Magiclnfo i Standard Version for Magiclnfo i Advanced is a charged service gt Magiclnfo Pro Magiclnfo i Advanced is installed when the product is shipped HM Protection of Image Retention Image retention may not occur when a LCD panel is operated under Common normal conditions Electrode ITO Normal conditions are defined as continuously changing video p patterns When the LCD panel is operated for a long time with a fixed pattern over 12 hours there
12. ODE No S N Input Model Disable S N Range Check Function w INPUT OUTPUT sen JL sen or Eror Scan Ready DDC Manager Type 2 Port DIZO type Not Use Chk S N Range Disable 4 23 4 Troubleshooting B Must Do s after replacing the board 1 Main Board gt Check the adjusted PC color status DDC Input Input both Analog and Digital This is for registering information about the supported resolution The product serial number and EDID should also be entered Reset after entering the Service mode and turn off the main power Network Board N y Press Info and check the version of Network Check the versions of HDD and BIOS and see if they are the same as the version of the server program If the version is different refer to the descriptions above and upgrade the program Upgrade the program and turn the power off on Check if there are IC DRAM and Battery vw w v V 4 24 6 Wiring Diagram 6 Wiring Diagram 6 1 Wiring Diagram Description 3V DC Output 3V DC Output 3V DC Output 3V DC Output VDC Op DE Outpt Buono DC 0 33V Puise 0 33V S GND Error Norma SV NC Floating TNC Floating NC Floating AN v 13V DC Output 13V DC Output 13V DC Output 5 5 5 5 rter On Off Power On Off 6 Wiring Diagram BRENNE AJOUSK 99 3asnop p1eoqAay NY ee Jaa dag aulau
13. PLUG REVERSED USING AC ADAPTER PLUG AS REQUIRED EARTH GROUND Figure 1 1 Leakage Current Test Circuit 4 With the unit completely reassembled plug the AC line cord directly into a 110 220V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe conduit etc and all exposed metal parts including metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test 1 1 4 Product Safety Notices Some electrical and mechanical parts have special safetyrelated characteristics which are often not evident from visual inspection The protection they give may not be obtained by replacing them with components rated for higher voltage wattage etc Parts that have special safety characteristics are identified by N on schematics and parts lists A substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock fire and or other hazards Product safety is under review continuously and new instructions are issued whenever appropriate 1 1 1 Precautions 1 2 Servicing Precautions WARNING An electrolytic capacitor installed with the wrong polarity might explode Caution Before servicing units covered by this service manual read and follow the Safety Precautions section of this manual N
14. WMN1000BD Samsung Electronics Service center Frame type WMN4270SD BN96 15394A 2 Product specifications 2 5 Product Differentiation Features E Remote control through built in RJ45 and RS 232C ports up to 100 units IP AMEH 192 168 150 0 s Receiver e IP l A In Sender Text alert 192 168 140 1 r H DANG Z2 EA Case 1 e tm EE va 2 Connection LCD Monitor PC RS 232C IN RS 232C OUT RS 232C IN RS 232C OUT RS 232C IN RS 232C OUT mg L 1 The basic IP address of the monitor is set to the default in the factory 2 Connect the monitor and PC with a LAN cable connect to the monitor and reconfigure the individual IP address 3 The MDC program shows the list of IP addresses of the currently connected products and the list of IDs set in the OSD 4 Using the MDC program you can control each individual monitor 2 2 Product specifications B illumination Sensor gt The illumination sensor consists of a Photodiode and an A D Lamp Value converter The photodiode detects the surrounding illumination and the degree of illumination is converted into a digital value through the A D Analog to Digital converter Depending on this value Reading Value the brightness of the lamp on the panel Lamp Value is changed automatically The Lamp Value is set in 10 levels If the Reading Value exceeds the limit the lamp brightness remains the maximum 100
15. d SAMSUNG Flash Imaging Manager v2 6 Build 57 Source Local Drive 3935 5 MB Destination c image sf i ST 00 Current Par ition 1 2 NIFS 1823 7 MB urrent File 0ledb32 dll Elasped Tine 66 06 82 2 Remove the USB memory from the main body of the LCD monitor 4 14 4 Troubleshooting 4 8 Adjustment 4 8 1 Entering Service Mode with Remote Control 1 Entering Service Mode Dea wore 1 gt 5 gt 2 Faron Using factory Remocon 4 8 2 Service Mode Menu Service Menu Auto Color White Balance Main Advanced Sharpness Enhancers Back End Audio AV Video System Option Spread Spectrum Panel Info Reset Checksum Menu Description Auto Color Auto Color Adjusting White Balance Adjust color by R G B Offset Gain Main Advanced Sharpness Improving Sharpness Enhancers Enhance Image quality Back End Audio Setting the Audio delay AV Video System Y and C Sync Control Option Adjust Baudrate nMFM Function Key Operation and so on Spread Spectrum Spread Spectrum Panel Info Panel using time replacing times Reset Factory Reset Checksum Micom Code version and Date 4 15 4 Troubleshooting B AutoColor Part Service Menu White Balance Main Advanced Sharpness Enhancers Back End Audio AV Video System Option Spread Spectrum Panel Info Reset Checksum B White Balance Part Service Menu Auto Color Main Advanced Sharpness Enhancer
16. d power fuse and the SMPS board output power Major Check the connections for the SMPS board and the Main board inside the monitor checkpoints Check the Main board power part and check also whether there is any abnormal output at other output terminals Yes No Does 5 3V appear at 4pin of CN101 Diagnostics Make sure to disconnect the power before working on the SMPS board 4 Troubleshooting 4 2 1 Waveform e Tek Stop av NO mo lt lt Ch2 Freq 1 605GH2 Low resolution ee ee ees Ch2 1 24 V 6 Feb 2006 0 00000 s 20 40 53 e Tek Stop E NO oo lt lt Ch2 Freq Hz No ref crossing M100ns Ch2 2 70 V iv 0 00000 s 20 32 17 6 Feb 2006 o Tek stop 3 60 1 28 V Ch2 Freq 704 6MH2 Low resolution M io0ns Al Ch2 7 1 24 V 6 Feb 2006 uv 0 00000 S 20 38 53 4 Troubleshooting 4 3 No PC Component AV D SUB Picture Symptom Though the LED power turns on the screen is blank when connecting the VGA cable Check the D sub cable connections Major checkpoints Check whether the LVDS cable is connected correctly to the panel Check whether the lamp connector of the panel is connected correctly to the SMPS board IC101 I Scaler Ng Diagnostics Does the LED light up when turn on No Check the power port the power Yes Does 5V appear at of 9pin of CN201 Check the cable connection Does wavef
17. ether by conductive foam aluminum foil or other conductive materials 7 Immediately before removing the protective material from the leads of a replacement ESD touch the protective material to the chassis or circuit assembly into which the device will be installed Caution Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize body motions when handling unpackaged replacement ESDs Motions such as brushing clothes together or lifting your foot from a carpeted floor can generate enough static electricity to damage an ESD 1 2 1 Precautions 1 4 Installation Precautions 1 For safety reasons more than two people are required for carrying the product 2 Keeps the power cord away from any heat emitting devices as a melted covering may cause fire or electric shock 3 Do not place the product in areas with poor ventilation such as a bookshelf or closet The increased internal temperature may cause fire 4 Bend the external antenna cable when connecting it to the product This is a measure to protect it from being exposed to moisture Otherwise it may cause a fire or electric shock 5 Make sure to turn the power off and unplug the power cord from the outlet before repositioning the product Also check the antenna cable or the external connectors if they are fully unplugged Damage to the cord may cause fire or electric shock 6 Keep the antenna far away from any high voltage cab
18. f gt On with soft power Off booting with network power fails gt On the contrary booting by NW_BT is achieved If soft power is turned on again the network board shuts down black out Booting with network power is achieved when the ring signal terminal on South Bridge is on High and if the pin under the terminal is opened some network boards recognize it as on Low and cause failure Actions taken Corrected the network board s BIOS and Main MICOM Code the same action taken for both of the above causes Model 323T CK32 Problems In the French market performed follow up actions on complaints about 323T CK32 display The native resolution 1024 768 amp 1280 768 of SM323T CK32 was claimed to be foggy when compared to LG products Two samples Jan 2004 Causes The main scaler s sharpness was set to Mini Addition of an anti ESD zener diode to the input terminal deteriorated picture quality Actions taken Changed the main scaler s sharpness from Ox00h to Ox18h Removed the zener diode from the input terminal to replace it with a two way diode Modified PCB REV from 458B to 458C CHECK POINT 1 Test pattern Ran an Internet screen readability or test program Check list Blurred foggy screen sharpness etc 2 Checked if PCB REV for the concerned model was modified e g Chagall 32 inch PCB REV 4580 4 Troubleshooting 4 7 Installing OS Network 1 Making a DOS booting USB 1
19. ing the monitor do not use any metal tools except for the provided jig 3 Remove the signal cable and the power cord before beginning the disassembly 1 Remocve the 18ea screws and lift up cover Rear 2 Remove the one screw of assy function and separate the cable connected to main PBA 3 1 3 Disassembly and Reassemble 3 Remove the screws 5ea and angle screws 10ea separate the main PBA after sererating connector 4 After removing the screws 3ea and angle screws 2ea seperate SHIELE JACK 3 Disassembly and Reassemble 5 After removing the screws 6ea and connected cable seperate MAIN SMPS Screw M4 x L8 For safety 6 After removing screws 4ea and connected cable seperate Network Board Only 460UTn 2 Model 7 After removing the screw 6ea and connected separate Sub SMPS Only 460UTn 2 Model 8 After removing the screws 2ea and connected cable seperate Assy Fan 3 3 3 Disassembly and Reassemble 9 Removing screws 4ea and separate Holder Wall Screw M5 x L12 S type 10 Remove the screws 8ea and separate Assy P Side 11 Remove the screws 8ea and seperate Bracket PCB PANEL x Reassembly procedures are in the reverse order of disassembly procedures 3 4 3 Disassembly and Reassemble a ao EE 5 A uw TV OEE ib m Ya e X IP P ar Tut faks ATT i 3 2 Internal Structure NL a b ip 1 L
20. ity 5 95 None Network Model Operating Temperature 0 C 40 C 32 F 104F Operating Humidity 10 80 Operating Temperature 20 C 45 C 4 F 113 F Operating Humidity 5 95 2 3 2 Product specifications 2 2 Spec Comparison to the Old Models Chingizkhan Monterosa2 460UTn 2 460UT 2 460UTn 460UT 46 1366x768 gt SPVA 46 1366x768 gt SPVA ee om RN RJ45 RS232C MDC Program OSD Pivot Remote Control Video Wall Digital RS232C MDC Program OSD Pivot Loopout Remote Control Video Wall External Sensor Kit 2 4 2 Product specifications 2 3 Accessories wena Pesenan ME U S Quick Setup Guide BN68 02981A Warranty Card Not available in all locations BN68 01789A User s Manual BN59 01094A Remote Control BP59 00138B Samsung Electronics Service center Power Cord 3903 000455 D Sub Cable BN39 00244H Magiclnfo Software CD Magiclnfo Manual CD BN59 00821J Applicable to the UTn BN59 00821K Model only Batteries AAA x 2 4301 000121 2 5 2 Product specifications 2 4 Accessories Sold separately ot besan oe rema RGB to BNC Cable LAN Cable Applicable to the UTn Model only USB Cable Applicable to the UTn Model only RGB Component Cable RGB AV Cable DVI to HDMI Cable Wall Mount KIT Network Box Applicable to the UT Model only Semi Stand KIT 2 6 BH39 00211A AK68 01439G Wire type
21. les and install it firmly Contact with the highvoltage cable or the antenna falling over may cause fire or electric shock 7 When installing the product leave enough space 10cm between the product and the wall for ventilation purposes A rise in temperature within the product may cause fire 1 3 1 Precautions Memo 2 Product specifications 2 Product specifications 2 1 Feature amp Specifications Space 7 3mm between two neighboring displays Remote control MDC using RJ45 RS 232SC Brightness adjustment using Ambient Sensor IR LOOP OUT function Digital Loop out HDMI DVI SBB TV Network 50 Set DDC CI D sub DVI Remote Update Connectivity D SUB DVI HDMI1 2 DP AV RS232C IN OUT RJ45 PC Audio Stereo In Out TV DTV Network function Programmable PIP Picture In Picture Only Magic info Source Active Size Position adjustment Picture mode for Public Display Gamma adjustment Schedule for weekends and holidays SW Upgrade by Digital Signal Addition of Pixel to safety screen FAN Temperature Auto Power Function Key Disable User Auto Color DPM Control Lamp Schedule OSD Display Service Menu Always Auto Adjustment Addition of PC Timing Network CPU AthlonX II 2 7GHz Dual Core North Bridge AMD RS780 South Bridge AMD SB700 Memory DDR3 SO DIMM HDD SATA 40GB OS Windows XP Embedded Connectors 3 x USB2 0 port LAN port RGB out port HDMI out port 2 1 2 Pr
22. ling up and in the network board normal screen when detached Defect Causes As the network power does not work from the Capxon correction electrolysis Cap swelling up the system keeps restarting history Cap life span problem Actions taken Stopped using the Capxon electrolysis Cap B S has been complete now amp Check point Network power has been changed to one that satisfies 40 00 hour MTBF BN96 03319A gt BN96 03319B 4 11 4 Troubleshooting Category Defect symptoms and Actions taken Defect correction history Defect correction history 4 12 Model 400PXn Beethoven 2 Power sequence problem Symptoms During hard power Off gt On with soft power set to Off a defect that the MagicNet source displays only a black screen occurred Causes The MagicNet source displays only a black screen during hard power Off gt On with soft power set to Off gt This symptom may have two different causes Normal condition The network board which started up with network power during hard power Off gt On with soft power Off is shut down by NW BT If soft power is turned on again the network board normally starts up 1 Abnormal condition If AC power is applied under low AC power and full discharge conditions NW_BT is ignored and the network board proceeds with booting If soft power is turned on again the network board shuts down black out 2 Abnormal condition During hard power Of
23. ment chassis ground before connecting the positive lead always remove the instrument s ground lead last 1 3 Static Electricity Precautions Some semiconductor solid state devices can be easily damaged by static electricity Such components are commonly called Electrostatically Sensitive Devices ESD Examples of typical ESD are integrated circuits and some field effect transistors The following techniques will reduce the incidence of component damage caused by static electricity 1 Immediately before handling any semiconductor components or assemblies drain the electrostatic charge from your body by touching a known earth ground Alternatively wear a discharging wrist strap device To avoid a shock hazard be sure to remove the wrist strap before applying power to the monitor 2 After removing an ESD equipped assembly place it on a conductive surface such as aluminum foil to prevent accumulation of an electrostatic charge 3 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESDs 4 Use only a grounded tip soldering iron to solder or desolder ESDs 5 Use only an anti static solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESDs 6 Do not remove a replacement ESD from its protective package until you are ready to install it Most replacement ESDs are packaged with leads that are electrically shorted tog
24. n 1 Threshold Main H Peaking Region 1 Gain Main H Peaking Region 2 Threshold Main H Peaking Region 2 Gain Sharpness Noise Coring 4 Troubleshooting Adjusting the sharpness of displayed image Main V Peaking Y Main V Peaking UV Main V Peaking Coring Main V Peaking Region 1 Threshold Main V Peaking Region 1 Gain Main V Peaking Region 2 Threshold Main V Peaking Region 2 Gain Main H Peaking Y Main H Peaking UV Main H Peaking Coring Main H Peaking Region 1 Threshold Main H Peaking Region 1 Gain Main H Peaking Region 2 Threshold Main H Peaking Region 2 Gain Adaptive Low High Medium Off Scaling Filter Sharpness Control Peaking Y Peaking UV Adjusts the sharpness of brightness Y and color tone UV When in the range of 1 127 the higher the number the sharper the image and when in the range of 128 255 the higher the number the softer the image If the sharpness is at too high of a level then it may cause side effects such as more apparent image noise etc Noise Coring Control Peaking Coring Represents only large edges of images vividly instead of amplifying small edges assuming that they are noise Noise Coring Out Determines a threshold Peaking Coring value to highlight sharpness Sharpness Filter Out NonLinear Sharpness Control Peaking Resion1 2 Threshold Gain Instead of applying sharpness evenly to the entire image divides frequencies into sections applying different gains fo
25. oduct specifications Specifications tom Deseription gt Panel 00000 000000 AMLCD 46 LTI460AA04 left right up down 89 89 89 89 DVI HDMI DP COMPOSITE Component Resolution PC DVI Optimum 1366 x 768 60 Hz Maimum 1920 x1080 60Hz Component Optimum 1366 x 768 60 Hz Maimum 1920 x1080 60Hz Optimum 1366 x 768 60 Hz Maimum 1920 x1080 60Hz Power Voltage AC 100 to 240 50Hz 60Hz consumtion Max power consumption 360W Network Model 290W None Network Model os em Frequency Horizontal Frequency 30 81 kHz sync Vertical Frequency 56 85 Hz Clock Frequency 148 5 MHz Sync type Sep Comp SOG Dimensions Set WxDxH 1025 7 X 579 8 X 130 0 mm Set 26 3 kg None Network Model 27 8 kg Network Model Package 31 7 kg None Network Model 33 2 kg Network Model Additional HDMI version 1 4a Specification TCO standard None USB support USB 2 0 Supporting color 8bit 16 7M 2 2 2 Product specifications Specifications Windows XP Embedded AMD Athlon 2 7GHz Dual Cord DDR3 SO DIMM 2GB Special specification Loop out function Network DVI HDMI Remote control using RJ45 RS 232C Network functon using Magic Info Brightness and IR detection using Ambient Sensor Environmental Network Model Operating Temperature 10 C 40 C 50 F 104 F Considerations Operating Humidity 10 80 Operating Temperature 20 C 45 C 4 F 113 F Operating Humid
26. onnector SMPS to MAIN PBA 2 Pin Connector Sub SMPS to Network PBA 30pin to 14 14 Pin Connector PANEL Inverter 16 Pin Harness Sub SMPS to Network PBA 6 Wiring Diagram 6 6 Functions of Cables and Connectors Use LVDS Cable FAN Cable en ATIS NG tom av r s T tm Hie sae sams Se lt i whe m Photo ya ve A om a re 4 T op M 4 x ad 7 r ue A lt adang An adhan BN39 00950A Role Sends LVDS signals from the video board to the Sends fan power and signals from the fan to the panel video board Lead Connector Only Network Model Photo BN39 00984L Supplies power from the sub SMPS to the network board AC Cable Only Network Model Photo E 5 m Code BN39 01065A BN39 00618R Sends signals from the main SMPS to the video Supplies power from the main SMPS to the sub board SMPS 6 7 6 8 6 Wiring Diagram Use LVDS Cable FAN Cable Photo Code BN96 14677A BN39 01352A Role Function key connected to the main video board Alead connector contained in the function ass y Use CBF SIGNAL HDMI Photo gt gt gt Code BN39 01359A A cable that connects signals between the Magic Role Info network and main board
27. orm as the figures at 13 pin of CN201 H sync e and 14 pin V sync Gappear Check around CN201 Does clk signal appear at 16 amp 17 pin of Scaler 1C101 problem CN901 Replace main board Check the cable between the main board and panel and replace the LCD panel Make sure to disconnect the power before working on the SMPS board 4 4 4 3 1 Waveform uy 0 00000 s Ch2 Freq 47 71kH2 6 Feb 2006 20 44 35 4 Troubleshooting 3 56 V 1 24 V Ch2 Freq 59 99 Hz 6 Feb 2006 i 0 00000 s 20 45 54 4 5 4 Troubleshooting 4 4 No HDMI Video Symptom The LED power turns on but the screen is blank when the HDMI cable is connected Check the HDMI cable connections Check whether the LVDS cable is connected correctly to the panel Check whether the lamp connector of the panel is connected correctly to the SMPS board Major checkpoints IC101 I Scaler f Does the LED light up when turn on No ER the power P adn Yes Does 5V appear at Pin 18 of Check ih bl ti CN301 302 HDMI port Yes Does the waveform as the figure at R335 R331 HDMI_SCL and R336 Replace IC303 TMDS Switch R332 HDMI SDA Q appear Diagnostics Yes Does clk signal appear 16 17 pin of No Scaller IC101 Problem CN901 Replace mainboard Yes Check the cable between the main board and panel and replace the LCD panel Make sure to disconnect the power before working on the SMPS board 4 6 4 4
28. ote If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions always follow the safety precautions 1 2 1 General Servicing Precautions 1 Always unplug the unit s AC power cord from the AC power source and disconnect the DC Power Jack before attempting to a remove or reinstall any component or assembly b disconnect PCB plugs or connectors c connect a test component in parallel with an electrolytic capacitor 2 Some components are raised above the printed circuit board for safety An insulation tube or tape is sometimes used The internal wiring is sometimes clamped to prevent contact with thermally hot components Reinstall all such elements to their original position 3 After servicing always check that the screws components and wiring have been correctly reinstalled Make sure that the area around the serviced part has not been damaged 4 Check the insulation between the blades of the AC plug and accessible conductive parts examples metal panels input terminals and earphone jacks 5 Insulation Checking Procedure Disconnect the power cord from the AC source and turn the power switch ON Connect an insulation resistance meter 500 V to theblades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 6 Always connect a test instrument s ground lead to the instru
29. position Adjustment Enhancers HV size HV Position Back End Audio Video System NTSC H Size V Size H Position Option Spread Spectrum Panel Info Reset Checksum V Position Y C Dealy 4 19 4 Troubleshooting HM Option Part Service Menu Auto Color White Balance Main Advanced Sharpness Enhancers Back End Option Control Audio Baudrate Speed Setting The default value is 9600 AV Video System Baudrate Check nMFM Enabled DVI Hot Plug Delay Watch Dog Disabled HDMI1 Hot Plug Delay PDP Download Off HDMI2 Hot Plug Delay BNC SOG Detect Enabled HDMI EQ HDMI EQ Value HDMI1 Pin Set HDMI2 Pin Set Spread Spectrum Panel Info Reset Checksum Always Auto Adjustment PC Timing Add Network On in DPMS Disabled Network Off Option Disabled 4 20 4 Troubleshooting B Spread Spectrum Panel Info Part Service Menu Auto Color White Balance Main Advanced Sharpness Enhancers Back End Spread Spectrum Adjustment Audio The application status of Spread spectrum AV Video System Amplitude and Period Setting Option Spread sp 0 Disable 1 Enable Amplitude Reset Checksum Period Information of Panel Panel Time Panel Ch No Panel Time the total operating hours of the panel is 0 Hr default Panel Ch No the panel has been replaced 0 times default increases by one every time the panel is replaced B Reset Checksum Part Service Menu Auto Color
30. r each section Nonlinear Out Peaking Region Gain gt Peaking Region Gain Peaking Region2 Threshold Peaking Region Threshold Noise Coring Out 4 Troubleshooting B Enhancers Part Service Menu Auto Color White Balance Main Advanced Sharpness Back End Audio AV Video System Option Spread Spectrum Panel Info Reset Checksum B Audio Part Service Menu Auto Color White Balance Main Advanced Sharpness Enhancers Back End AV Video System Option Spread Spectrum Panel Info Reset Checksum 4 18 Adjust to display the clear and sharp image This function is used to adjust the appropriate value for each target region Change only when it is needed HLE Threshold HLE Gain HDP Threshold HDP Gain HCE Threshold HCE Gain VDP Threshold VDP Gain HLE Horizontal Large Edge Enhancer HDP Horizontal Detail Processor HCE Horizontal Chroma Enhancer Audio delay Setting Set for the video and audio synchronization AUDIO DELAY PC Audio Delay DVI Audio Delay AV Audio Delay Component Audio Delay HDMI1 Audio Delay HDMI2 Audio Delay DisplayPort Audio Delay Magicinfo Audio Delay TV Internal Audio Delay TV External Audio Delay EKT Volume Scale O Z O O O O O O O O O o Speaker EQ EXT Prescale Speaker 4 Troubleshooting E AV Video System Part Service Menu Auto Color White Balance Main Advanced Sharpness AV size
31. s Back End Audio AV Video System Option Spread Spectrum Panel Info Reset Checksum 4 16 Used for color control But excessive setting may Extreme caution needed White Balance Sub Bright Sub Contrast RED Offset GREEN Offset BLUE Offset RED Gain GREEN Gain BLUE Gain PC analog Only 1024x768 060 16gray pattern Color control operates normally only in certain modes of certain patterns but in other cases the operation may distort color Also color control is not normal when controlling color in a mode other than XGA 60Hz Extreme caution needed AV NTSC or PAL Color bar pattern Component 720P Color bar pattern Color control operates normally only in certain modes of certain patterns but in other cases the operation may distort color Extreme caution needed saturate the color On Display factory adjusting value Off Display default setting value Register value in the Scaler RED BLUE GREEN Adjust the Gain and Offset B Sharpness Part Service Menu Auto Color White Balance Enhancers Back End Audio AV Video System Option Spread Spectrum Panel Info Reset Checksum Main V Peaking Y Main V Peaking UV Main V Peaking Coring Main V Peaking Region 1 Threshold Main V Peaking Region 1 Gain Main V Peaking Region 2 Threshold Main V Peaking Region 2 Gain Main H Peaking Y Main H Peaking UV Main H Peaking Coring Main H Peaking Regio
32. t due to the CPU socket s structural problem Defect and strain correction 1 Structural problem in the CPU socket history 2 Strain due to the gap pad s thickness between the CPU heat sink and the instrument s shield cover Actions taken 1 Requested Foxconn CPU socket manufacturer to change the shape of the socket s contact area to lengthen the pin s contact or to reshape the contact area into a hook shape 2 The PBA line performed shock tests during a performance test on the network board to sort out defective sockets 3 Changed the gap pad s thickness from 3 2mm to 2 0mm Model 400PXn Beethoven 2 Problems Defects in Samhwa s 16V 100uF Caps and field defects in Japan for the Beethoven 2 model Symptoms Sound noise when opening Caps Japan Dec 07 BNC screen noise when opening TSED PBA Caps Jan 08 Actions taken Took temporary measures Samhwa in Tianjin discontinued manufacturing 100uF 16V which was supplied by Samhwa in Korea instead Jan 30 after an alternative was set up manufacturing was carried out to successfully cover the production volume which was originally to be supplied by Tianjin in December before Jan 30 Defect correction history Performed a comparative analysis of 100uF 16V M Type 105 degree 3000 hour between Korea and Tianjin Samhwa Performed a comparative analysis of Tianjin s production volume between July Aug and Dec Jan 29 Established a dualiza
33. tion schedule development evaluation Jan 25 Set up alternative measures and notified results parts warranty notified later 4 10 4 Troubleshooting Category Defect symptoms and Actions taken Model 400PXn DXn Beethoven 2 Beethoven Plus EWF related EWF Enhanced Writer Filter Protects booting volume in unnecessary writing improves system robustness protects booting volume from possible power failure protects flash volume from all writings and increases the life span of flash devices Preset to Enable by default EWF Enable During system restart after writing data program installation contents copy etc on the FDM Flash Disk Module of the network board the previously written data will be deleted Upon leaving the factory the FDM is divided into C and D drives in which EWF is set to respectively Enable and Disable EWF Disable During system restart after writing data on the FDM the previous data will remain maintaining the general PC use environment Powering on or off while EWF is on Disable Defect correction history may cause the corruption of Windows installed on the FDM Since there have been many cases that resulted in problems Windows boot up failure blue screen etc while using with EWF Disable you are recommended to maintain the EWF Enable mode Model 400PXN Symptoms Repeated power ON OFF Set Open check Defects in network power Capxon electrolysis Cap swel
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