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LCD-TV Chassis : N75A Model : UA40B6000VR UA46B6000VR UA55B6000VR 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 UA40B6000VR/UA46B6000VR /UA55B6000VR 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 a 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 UA40B6000VR Feature Digital-TV, RF, 4-HDMI, 1-Component, 1-AV, USB1, D-SUB � 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 only in TV analog mode) �...
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2. Product specifications Model UA46B6000VR Feature Digital-TV, RF, 4-HDMI, 1-Component, 1-AV, USB1, D-SUB � 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 only in TV analog mode) �...
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2. Product specifications Model UA55B6000VR Feature Digital-TV, RF, 4-HDMI, 1-Component, 1-AV, USB1, D-SUB � 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 only in TV analog mode) �...
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2. Product specifications CHANNEL FREQUENCY TABLE OUTPUT FREQUENCY : ANALOG fv:45.75MHz, fs:41.25MHz DIGITAL Fc:44MHz TUNING STEP SIZE : FIRST PLL 250KHz SECOND PLL 62.5KHz OSD CH NO CH NO CH NO CH NO Air-DTV Air-NTSC BAND Cable STD BAND Cable HRC Cable IRC 72.
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2. Product specifications OSD CH NO CH NO CH NO CH NO Air-DTV Air-NTSC BAND Cable STD BAND Cable HRC Cable IRC 499.25 ULTRA 498.00 499.25 505.25 ULTRA 504.00 505.25 511.25 ULTRA 510.00 511.25 517.25 ULTRA 516.00 517.25 523.25 ULTRA 522.00 523.25 529.25...
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.
2. Product specifications 2-4. Spec Comparison to the Old Models UB6V SAPPHIRE (UA40B6000VR/UA46B6000VR/ Model ((LA46A850S1F/LA52A850S1F)) UA55B6000VR) 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 UA40B6000VR 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” 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 not 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 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 IP relay does not work when connecting the power cord if the cables are improperly connected or the Main Board or IP 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 IC601(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 + / -)
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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 IC601(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])
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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 A1B 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) 4-11...
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4. Troubleshooting 4-1-5. No Video (Video CVBS) Symptom Audio is normal but no picture is displayed on the screen. Check the Video CVBS source Major Check the A1B 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 4-1-6. No Video (Component) Symptom Audio is normal but no picture is displayed on the screen. Check the Component source Major Check the A1B 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 4-1-7. 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 IP board. Lamp(Backlight) Off, no sound.
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4. Troubleshooting 4-1-8. 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 Power OFF INFO MENU 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...
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4. Troubleshooting 4-3-3 Factory Data Option Main: Opiton, Mode : CDTV, RES :480I Factory Reset Type 40A1UF0E / 46A1UF0E / 55A1UF0E Option Model UB6000 TUNER SEC_T Region ASIA_ATV Light Effect Ch Table SUWON Medialink Infolink ON PnP Language Local Set East Asia ADC/WB ...
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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 … Movie B-Gain … 4-23...
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4. Troubleshooting Contol EDID EDID ON/OFF EDID WRITE ALL Success EDID WRITE PC Success EDID WRITE HDMI Success EDID WRITE HDMI1 EDID WRITE HDMI2 EDID WRITE HDMI3 EDID WRITE HDMI4 EDID 1.2 PORT NONE Sub Option RF Mute Time 600ms TOOLS Support ND ADJ Support...
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4. Troubleshooting Asia Option ChinaHD NT Conversion Sepco 120Hz Unbalance Sound SAP High Threshold 0x30h Pilot Level Low Thld 0x20h SAP Low Threshold 0x10h A2 Pilot AM Carr High Thld 0x0Ah Speaker Delay Normal A2 Pilot AM Carr Low Thld 0x05h Auxout Delay Normal NICAM Error High Thld...
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4. Troubleshooting Num of ATV HDMI/DVI SEL Config Option Num of DTV Indicator Led Num of AV Wall Mount Num of SVIDEO Chelsea HV Flip Num of COMP Num of DISPLAY Num of HDMI HDMI AV MUTE TIME Num of PC DVI/HDMI SOUND Auto Num of SCART...
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4. Troubleshooting Expert Advanced (Press the 0 button four times on advanced to enter hidden menu) BM_slope1 Skin-Enable FBE3 BM_slope2 Skin-UV BM_slope3 FBE Sub color BM_slope4 M-Skin-UV … BM_start M-Sub Color … BM_start_max Lfunc_basis Hfunc_basis Mean-Offset1 Mean-Offset2 Mean-Slope ACR-Offset ACR-th1 ACR-th2...
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4. Troubleshooting Standard Contrast EPA Standard Standard Brightness Standard Sharpness Standard Color Standard Tint Standard Backlight 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...
4. Troubleshooting 4-4. White Balance - Calibration 4-4-1 White Balance -Calibration 1. ADC 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 ...
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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” 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<->CN201 Supply power from SMPS to Main Board. CN1002<->T-CON The LVDS signal transfered from Main Board to Panel. CN1691<->RF module The RF signal transfered between Main Board and RF module. 6-4. Cables Main-SMPS Main-Tcon Function Assy...