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LCD-TV Chassis : N74A Model : UA40B7000WM UA46B7000WM UA55B7000WM SERVICE Manual TFT-LCD TV Contents 1. Precautions 2. Product specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram UA40B7000WM/UA46B7000WM/ UA55B7000WM Refer to the service manual in the GSPN (see the rear cover) for the more information.
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 For continued safety, do not attempt to modify any circuitry. 1-1-2. Servicing the LCD TV When servicing the LCD TV, Disconnect the AC line cord from the AC outlet.
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. Note: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions.
1. Precautions 1-4. Installation Precautions For safety reasons, more than two people are required for carrying the product. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause fire.
2. Product specifications 2. Product specifications 2-1. Feature & Specifications Model UA40B7000WM Feature Digital-TV, RF, 4-HDMI, 1-Component, 1-AV, USB1, USB2 (HDD is available only in USB1), D-SUB, Internet@TV � Brightness : 500cd/m � Contrast Ratio : 3000000:1 � Response time :3ms �...
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2. Product specifications Model UA46B7000WM Feature Digital-TV, RF, 4-HDMI, 1-Component, 1-AV, USB1, USB2 (HDD is available only in USB1), D-SUB, Internet@TV � Brightness : 500cd/m � Contrast Ratio : 3000000:1 � Response time : 3ms � Dynamic contrast, Super-PVA � PIP(in HDMI 1, 2, 3, 4, Component1, PC Mode and Sub picture is available in TV analog and digital mode) �...
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2. Product specifications Model UA55B7000WM Feature Digital-TV, RF, 4-HDMI, 1-Component, 1-AV, USB1, USB2 (HDD is available only in USB1), D-SUB, Internet@TV � Brightness : 500cd/m � Contrast Ratio : 3000000:1 � Response time : 3ms Dynamic contrast, Super-PVA � PIP(in HDMI 1, 2, 3, 4, Component1, PC Mode and Sub picture is available in TV analog and digital mode) �...
2. Product specifications 2-3. Internet@TV 2-3-1. Overlay Mode It offers contents to maximize the benefits of the large screen size. Overlay Overlay Overlay Overlay Overlay Overlay Overlay Overlay (Dock Mode) (Dock Mode) (Dock Mode) (Dock Mode) (Sidebar Mode) (Sidebar Mode) (Sidebar Mode) (Sidebar Mode) A.
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2. Product specifications 2-3-3. Yahoo OOBE Description A. All users go through OOBE (Guided Setup) to access the dock the first time. B. All users must specify a location and accept the TOS before the TV Widgets service are accessible. The rest of the screens are optional.
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2. Product specifications Tutorial: Screens explaining how dock works. Tutorial: Screens explaining the sidebar and global nav buttons. Final screen before dock comes up.
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2. Product specifications 2-3-4. Gallery Widget Overview A. In the TV Widgets, widget gallery services are online services where widget developers publish widgets for download. B. The default widget gallery for the platform is the Widget Gallery Services. C. To find and install new widgets, launch the gallery widget from the dock. D.
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2. Product specifications 2-3-5. Profile Widget Overview A. The Profile widget is the way to configure your widget environment for your user profile. With the settings widget you can configure: i. Profile Management: Create, edit and switch profiles. ii. Security Settings: Setup a Profile and/or Owner PIN for security purposes. iii.
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2. Product specifications 2-3-6. Flickr TV Widget Description A. Flickr TV Widget is a Widget for displaying photos from Flickr. You can view your: Personal photos Your sets of photos iii. Explore Flickr’s user community photos Your favorite photos Your contacts’...
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2. Product specifications Initial Sidebar View A. If the user is not signed and user is signed but user has no photo then the default images will be displayed from the Flickr Explore category. B. If the user is signed in and the user has 1 photo or more photos, then the photos will be displayed in the top portion of the Widget Sidebar.
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2. Product specifications 2-3-7. Weather Widget Overview A. The Weather Widget utilizes the “Tab View” layout of the Widget Sidebar i. The tab view is a viewable area than contains groups of user interface elements organized under tab headers. ii.
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2. Product specifications 2-3-9. News Widget Overview A. The News Widget sidebar will then be displayed B. Several stories will be displayed in the top featured area of the Widget Navigation will be available to move from one story to the next These stories are automatically updated by Yahoo! iii.
2. Product specifications 2-4. Using the Content Library The Content Library allows you to enjoy various content on your TV. You can use the default content stored in the TV memory or you can enjoy new content using a USB device or via the Internet. Using the Content Library Menu Press the MENU button.
You can view various recipes that you can then easily follow step by step. Enjoy thesecontents which give you great ideas for meals. - The recipes introduced in the Cooking contents on the Samsung TV are based on recipes published by Anness Publishing.
New content other than the built-in contents will be provided via the Samsung.com website with or without charge. Downloading Content Visit the www.samsung.com website and open the Content Library page. Enter the product number (UDN, Unique Device Number). Select a content item in the Contents Download page.
Compatibility problem. Before connecting your device to the TV, please back up your files to prevent them from damage or loss of data.SAMSUNG is not responsible for any data file damage or data loss. Do not disconnect the USB device while it is loading.
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2. Product specifications -. movie format File Extention Container Video Decoder Resolution Audio codec Divx 3.11/4.x/5.1/6.0 720 x 576 XviD 1920 x 1080 *.avi H.264 BP/MP/HP 1920 x 1080 LPCM MPEG4 SP/ASP 1920 x 1080 ADPCM Motion JPEG 800 x 600 Divx 3.11/4.x/5.1/6.0 720 x 576 XviD...
2. Product specifications 2-8. Spec Comparison to the Old Models UB7W SAPPHIRE ((UA40B7000WM/UA46B7000WM/ Model (LN46A850S1F/LN52A850S1F) UA55B7000WM)) Design Display Type LCD TV LCD TV Resolution 1920 x 1080 1920 x 1080 LCD Panel TFT LCD Panel 120Hz TFT LCD Panel 120Hz Screen Size 40”...
3. Disassembly and Reassemble 3. Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the UA40B7000WF LCD TV. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1. Disassembly and Reassembly Cautions: 1.
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3. Disassembly and Reassemble Description Picture Description Screws 2. Remove the screws of rear-cover. 40” 46”/55” 2-1. Pull out a AC Power Cord 3. Lift up the rear-cover.
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3. Disassembly and Reassemble Description Picture Description Screws 4. Remove the cables and screws from 40” SMPS, Main board and Woofer and Bracket stand link. 46” / 55” Woofer x 2...
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3. Disassembly and Reassemble Description Picture Description Screws 5. Remove the panel bracket screws from the panel. ※ Reassembly procedures are in the reverse order of disassembly procedures.
4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting Check the various cable connections first. • Check to see if there is a burnt or damaged cable. • Check to see if there is a disconnected or loose cable connection. • Check to see if the cables are connected according to the connection diagram. Check the power input to the Main Board.
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4. Troubleshooting Simple flow chart of malfunction Does the TV turn on? Can you see anything on the screen? Can you see OSD menu running on the screen? Can you see Digital Channel broadcast ? Check LVDS cable connected Check the Power Cord to Main Board.
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The WLAN does not work. An explanation of Equipment other than the WLAN USB stick supplied by Samsung Electronics (as a bundle) will not work. Media play The sharer must support IEEE 801.11 g/b. IEEE 801.11 n is supported.
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The DLNA server that I could see on the PC Share Manager 1.Check if the PC is turned off. 2. Check if the Samsung TV has suddenly disappeared. What Search TV is set to reject connections in the access control menu should I do? of the Samsung PC Share Manager.
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4. Troubleshooting I cannot play files with the wmv or flv DLNA Video Play The video play function is not supported for files with these extension. extensions. I cannot use the 20 second Seek DLNA Video Play To use the Seek function while playing at 2x Fast Forward, function while playing at 2x Fast press the Play button to first make the playing speed Forward.
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Images provided by Samsung.com or a 3rd party content personal photos using the Gallery Content Library provider linked to Samsung.com will not be played in the function. How can I do this? [Contents Library]. However, you can use the SlideShow function of WiseLink Pro.
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4. Troubleshooting 4-1-1. No Power The PD board relay does not work when connecting the power cord. Symptom The units appears to be dead. The PD relay does not work when connecting the power cord if the cables are improperly connected or the Main Board or PD is not functioning.
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4. Troubleshooting 4-1-2. No Video (Analog PC signal) Symptom Audio is normal but no picture is displayed on the screen. Check the PC source Major Check the IC7001(chelsea) checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Caution Make sure to disconnect the power before working on the IP board.
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4. Troubleshooting WAVEFORMS PC Input (V-Sync, H-Sync) LVDS Out (CLK + / -) 4-11...
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4. Troubleshooting 4-1-3. No Video (HDMI - Digital Signal) Symptom Audio is normal but no picture is displayed on the screen. Check the HDMI source Major Check the IC7001(chelsea) checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Caution Make sure to disconnect the power before working on the IP board.
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4. Troubleshooting WAVEFORMS HDMI Input (CLK + / -) Tuner CVBS Out (Pattern: Grey Bar) TS DATA Out (Clk, Data [0]) 4-13...
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4. Troubleshooting 4-1-4. No Video (Tuner_CVBS) Symptom Audio is normal but no picture is displayed on the screen. Check the Tuner CVBS source Major Check the Chelsea checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Caution Make sure to disconnect the power before working on the IP board.
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4. Troubleshooting WAVEFORMS Tuner CVBS Out (Pattern: Grey Bar) Eagle+ Out (Clk, H-Sync) 4-15...
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4. Troubleshooting 4-1-5. No Video (Tuner DTV) Symptom Audio is normal but no picture is displayed on the screen. Check the DTV source Major Check the Chelsea checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Caution Make sure to disconnect the power before working on the PD board.
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4. Troubleshooting WAVEFORMS Tuner CVBS Out (Pattern: Grey Bar) TS DATA Out (Clk, Data [0]) 4-17...
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4. Troubleshooting 4-1-6. No Video (Video CVBS 1) Symptom Audio is normal but no picture is displayed on the screen. Check the Video CVBS source Major Check the Chelsea checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Caution Make sure to disconnect the power before working on the PD board.
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4. Troubleshooting 4-1-7. No Video (Component 1) Symptom Audio is normal but no picture is displayed on the screen. Check the Component source Major Check the Chelsea checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. Caution Make sure to disconnect the power before working on the PD board.
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4. Troubleshooting 4-1-8. No Sound Symptom Video is normal but there is no sound. When the speaker connectors are disconnected or damaged. Major When the sound processing part of the Main Board is not functioning. checkpoints Speaker defect.. Caution Make sure to disconnect the power before working on the PD board. CN3001 CN3001 CN3005...
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4. Troubleshooting 4-1-10. Reference Output CNT which run Edge Led (Is unrelated even if right and left changes) When you see the screen in front of TV, If the left side (a) has a problem, Connect 2, cable at the 1 position, in case of normal picture, change LED panel.
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4. Troubleshooting Connecting a PC Using the D-sub cable Connect a D-Sub Cable between PC IN [PC] connector on the TV and the PC output connector on your computer Connect a PC Audio Cable between the PC IN [AUDIO] jack on the TV and the Audio Out jack of the sound card on your computer.
4. Troubleshooting 4-2. Alignments and Adjustments 4-2-1. General Alignment instruction Usually, a color LCD-TV needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync. Use the specified test equipment or its equivalent. Correct impedance matching is essential.
4. Troubleshooting 4-3. Factory Mode Adjustments 4-3-1 Entering Factory Mode To enter ‘Service Mode’ Press the remote -control keys in this sequence : - If you do not have Factory remote - control MUTE Power On 4-3-2 How to Access Service Mode Using the Customer Remote Turn the power off and set to stand-by mode Press the remote buttons in this order;...
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4. Troubleshooting 4-3-3 Factory Data Option Main: Opiton, Mode : ATV, RES :480I Option Factory Reset Type 40A1UF0E Model UB7000 TUNER SEC_T Region Light Effect Ch Table NONE Medialink Type Infolink ON PnP Language Local Set … PDP GROUP …...
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4. Troubleshooting ADC Result 1st_Y_GH 1st_Y_GL 1st_Cb_BH … 1st_Cb_BL … 1st_Cr_RH … 1st_Cr_RL … 2nd_R_L 2nd_G_L 2nd_B_L 2nd_R_H 2nd_G_H 2nd_B_H White Balance Sub Brightness R-Offset G-Offset B-Offset Sub Contrast R-Gain G-Gain B-Gain Movie R-Offset … Movie B-Offset … Movie R-Gain …...
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4. Troubleshooting Sub Option RF Mute Time 600ms TOOLS Support TTX List Flof SUB U-COM LNA Support TTX Group UserOSD RS-232 Jack UART Wiselink WithOut DB With DB 24P×4 Support Watchdog WiseLink Movie Power Indicator Support WD COUNT WiseLink DLNA BD Wise Support SSC ON/Off WiseLink Write...
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4. Troubleshooting Sound SAP High Threshold 0×30h Pilot Level Low Thld 0×20h SAP Low Threshold 0×10h A2 Pilot AM Carr High T 0×0Ah Speaker Delay Normal A2 Pilot AM Carr Low T 0×05h Auxout Delay Normal NICAM Error High Thld 0×0Eh Spdif Delay Normal NICAM Error Low Thld...
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4. Troubleshooting Advanced (Press the 0 button four times on advanced to enters hidden menu) BM_slope1 Skin-UV FBE3 BM_slope2 FBE Sub color BM_slope3 M-Skin-UV … BM_slope4 M-Sub Color … BM_start BM_start_max Lfunc_basis Hfunc_basis Mean-Offset1 Mean-Offset2 Mean-Slope ACR-Offset ACR-th1 ACR-th2 Skin-Enable WB Movie W/B MOVIE ON/OFF...
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4. Troubleshooting CH_VDEC AGC_mode CTI_level Gain_VCR ST_Beg_NTSC Y_Gain_Man VS_Slice_Level Saturation HS_Slice_Level FB_Delay_adj Y_Shape_sel RGB_Delay_adj Y_Shape_SCM h_pk_gain C_Shape_sel v_pk_gain C_Shape_SCM h_pk_band If_iir 2d_pk_gain If_filt_sel 2d_pk_band LTI_en slice_mod_fine LTI_level scm_fdet_lvl CTI_en bl_range SCM_STI_EN V_Delay_adj YC_Delay U_Delay_adj RED_CUTOFF AR_ADC GREEN_CUTOFF BLUE_CUTOFF RED GAIN GREEN GAIN BLUE GAIN PHASE...
4. Troubleshooting 4-4. White Balance - Calibration 4-4-1 White Balance -Calibration ADC/WB AV Calibration Comp Calibration PC Calibration HDMI Calibration 4-4-2 Service Adjustment - You must perform Calibration in the Lattice Pattern before adjusting the White Balance. Color Calibration Adjust spec.
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4. Troubleshooting Method of Color Calibration (AV) 1) Apply the NTSC Lattice (N0.3) pattern signal to the AV IN 1 port 2) Press the Source key to switch to “AV1” mode 3) Enter Service mode 4) Select the “ADC/WB” and “ADB” menu 5) Select the “AV Calibration”...
4-5. Servicing Information 4-5-1 Upgrading the Software Samsung may offer upgrades for TV’s firmware in the future. Please contact the Samsung call center at 1-800- SAMSUNG (726-7864) to receive information about downloading upgrades and using a USB drive. Upgrades will be possible by connecting a USB drive to the USB port located on your TV.
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1) The message “Does the problem still exist with this test pattern?” is displayed. 2) Press “Yes”. This is a TV SET problem. The massage “Contact Samsung’s call center at 1-800-SAMSUNG for assistance.” is displayed. 3) Press “No”. This is not a TV SET problem.
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1) The message “Does the problem still exist with this sound test?” is displayed. 2) Press “Yes”. This is a TV SET problem. The message “Contact Samsung’s call center at 1-800-SAMSUNG for assistance.”is displayed 3) Press “No”. This is not a TV SET problem.
6. Wiring Diagram 6-3. Connector Functions Connector Functions CNM802<->CN1001 Supply power from SMPS to Main Board. CN7005<->T-CON The LVDS signal transfered from Main Board to Panel. 6-4. Cables Main-SMPS Main-Tcon Function Assy BN39-01099M(30P 150mm) 40”, 46” : 40” BN96-10736B Code BN39-01184C(51P 300mm) 46”...