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12/9/2016 LCD-TV Chassis : G4Q22IID G4Q26IID G4Q32IID Model : LA22B480Q1 LA26B480Q1 LA32B480Q1 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 LA22B480Q1/LA26B480Q1/LA32B480Q1 Refer to the service manual in the GSPN (see the rear cover) for the more information.
This section of the service manual describes the disassembly and reassembly procedures for the LA32B450C1 LCD TV. WARNING: This LCD TV contains electrostatically sensitive devices. Use caution when handling these components. 3-1. Disassembly and Reassembly (LA22B480Q1) Cautions: 1. Disconnect the LCD TV from the power source before disassembly.
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www.freeservicemanuals.info 12/9/2016 3. Disassembly and Reassembly Description Picture Description Screws 2. Remove the screws from the bottom stand. Lift up the stand and support Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 3. Disassembly and Reassembly Description Picture Description Screws 3. Remove the screws from the Tweeters. Lift up the Speakers. Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 3. Disassembly and Reassembly Description Picture Description Screws 4. Disonnect cable from the boards. 5. Remove the screws of the boards. x 10 Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 3. Disassembly and Reassembly Description Picture Description Screws 6. Remove the screws of the BRKT. Lift up the BRKT and the LCD panel. Reassembly procedures are in the reverse order of disassembly procedures. ※ Published in Heiloo, Holland...
www.freeservicemanuals.info 12/9/2016 3. Disassembly and Reassembly 3-2. Disassembly and Reassembly (LA26B480Q1, LA32B480Q1) Cautions: 1. Disconnect the LCD TV from the power source before disassembly. 2. Follow these directions carefully; never use metal instruments to pry apart the cabinet. Description Picture Description Screws 1.
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www.freeservicemanuals.info 12/9/2016 3. Disassembly and Reassembly Description Picture Description Screws 2. Lift up rear cover and remove the stand. 3. Remove Screw from the stand BRKT, top BRKT and speakers. Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 3. Disassembly and Reassembly Description Picture Description Screws 4. Lift up the stand BRKT, top BRKT and speakers. 5. Disonnect cable from the boards. Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 3. Disassembly and Reassembly Description Picture Description Screws 6. Remove screws and Lift up the LCD panel. Reassembly procedures are in the reverse order of disassembly procedures. ※ Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ...3 T0524 6902-000361 BAG PE;LDPE,T0.05,W400,L240,TRP,8,2,8.00 S.N.A ...3 M0254 AA59-00416B ANT SHIELD BOX;UGC-AS-003A,PAL-BG,DK,I,M S.N.A ...3 BN42-01013A ANT FM T;T1811M-1,50OHM,1800 S.N.A ...3 T0074 BN59-00874A REMOCON;L610,L550,L530,L480,L450,P550,P4 ...3...
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www.freeservicemanuals.info 12/9/2016 5. Exploded View & Part List 5. Exploded View & Part List 5-1. LA32B480Q1 Exploded View Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 5. Exploded View & Part List 5-1-1. LA32B480Q1 Parts List Location No. Code No. Description & Specification Q’ty S.A/S.N.A Remark T0003 BN96-11223A ASSY COVER P-FRONT;LB480 32,XL,ABS+PMMA, M0215 BN07-00674D LCD-PANEL;LTF320AP06 T0175 BN96-09785E ASSY SPEAKER P;8E,3001-002113, 02Nos,BN3 T0175 BN96-09786B ASSY SPEAKER P;8E,3001-001302, 01Nos,BN3 M0174 BN44-00261C IP BOARD;PSIV161C01AI,HI32F1_9SS,0.12mA,...
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www.freeservicemanuals.info 12/9/2016 5. Exploded View & Part List 5-2. LA32B480Q1 Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark LA32B480Q1MHE LA32B480Q1,N66B/32BQ1-G4Q,32,LCD-TV,NEPA M0001 BN90-02235A ASSY COVER FRONT;LB480 32 S.N.A T0003 BN96-11223A...
www.freeservicemanuals.info 12/9/2016 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 the circuit board. Disconnect the AC power and DC power jack before servicing.
www.freeservicemanuals.info 12/9/2016 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.
www.freeservicemanuals.info 12/9/2016 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.
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www.freeservicemanuals.info 12/9/2016 1. Precautions Memo Published in Heiloo, Holland...
12/9/2016 2. Product specifications 2. Product specifications 2-1. Feature & Specifications Model LA22B480Q1 Feature RF, 2_HDMI, 1-HDMI/DVI, 2-Component, 1-AV, D-Sub, 1-USB, FM Radio � Brightness : 450cd/m � Contrast Ratio : 800:1 � Response time : 5ms � Dynamic contrast, Super-PVA �...
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www.freeservicemanuals.info 12/9/2016 2. Product specifications Model LA26B480Q1 Feature RF, 2_HDMI, 1-HDMI/DVI, 2-Component, 2-AV, D-Sub, 1-USB, FM Radio � Brightness : 450cd/m � Contrast Ratio : 2000:1 � Response time : 8ms � Dynamic contrast, PVA, TN � PIP(in HDMI 1, 2, 3, Component 1, PC Mode and Sub picture is available only in TV analog mode) �...
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www.freeservicemanuals.info 12/9/2016 2. Product specifications Model LA32B480Q1 Feature RF, 2_HDMI,1-HDMI/DVI,2-Component,2-AV,D-Sub, 1-USB, FM Radio � Brightness : 450cd/m � Contrast Ratio : 2000:1 � Response time : 8ms � Dynamic contrast, Super-PVA � PIP(in HDMI 1, 2, 3, Component 1, PC Mode and Sub picture is available only in TV analog mode) �...
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www.freeservicemanuals.info 12/9/2016 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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www.freeservicemanuals.info 12/9/2016 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...
BN59-00874A (AAA x 2) Power Cord 3903-000199 BN63-05580A(26”) Cover-Bottom BN63-05585A(23”) Owner’s Instructions BN68-01911C Samsung Electronics Service center Cleaning Cloth BN63-01798B Warranty Card / Registration Card / Safety Guide Manual AA68-00487D (Not available in all locations) Stand Screw x 4 6002-001294 BN90-02126A(22”)
www.freeservicemanuals.info 12/9/2016 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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Check the internal cable connection status inside the unit. Major Check the fuses of each part. checkpoints Check the output voltage of SMPS. Replace the Main Board. LA22B480Q1 LA26B480Q1, LA32B480Q1 LAMP off, power indicator Check a connection a power cable. LED red color? Diagnostics Does proper DC5V appear at Change a Assy PCB Power.
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Change a main PCB ass’y output of LVDS Cable? Check a LVDS cable? Replace a lcd panel? Please, Call to Samsung Co. LTD. Caution Make sure to disconnect the power before working on the IP board. Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting WAVEFORMS R,G,B Output Signal Published in Heiloo, Holland...
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Check the HDMI source Major Check the M-star checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. LA22B480Q1 LA26B480Q1, LA32B480Q1 Power Indicator is off. Lamp on, no video. Check the connection Input a HDMI cable.
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting WAVEFORMS Digital Output Data Signal of HDMI(Data) Published in Heiloo, Holland...
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Does the Signal appear at C6025 Change a main PCB ass’y. of IC6003? Check the LVDS cable? Replace the LCD panel? Please, Call to Samsung Co. LTD. Caution Make sure to disconnect the power before working on the IP board. Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting WAVEFORMS CVBS Output Signal Tuner_CVBS Output Signal Published in Heiloo, Holland...
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Does the signal appear at R6006, Check a connection harness. R6009(26”,32”) of IC6003? Check a LVDS cable ? Replcelcd panel? Please, Call to Samsung Co. LTD. Caution Make sure to disconnect the power before working on the IP board. Published in Heiloo, Holland...
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting WAVEFORMS CVBS Output Signal 4-10 Published in Heiloo, Holland...
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Check the RF Source Major Check the M-star checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. LA22B480Q1 LA26B480Q1, LA32B480Q1 Connect a sound cable. Picture is display, no sound. control a volume.
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting WAVEFORMS The Signal are Inputed to IC1201 The Signal are Inputed to IC1202 4-12 Published in Heiloo, Holland...
www.freeservicemanuals.info 12/9/2016 4. Troubleshooting 4-2. Alignments and Adjustments 4-2-1. General Alignment Instuction 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.
www.freeservicemanuals.info 12/9/2016 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 INFO MENU MUTE Power on - If you have Factory remote - control PICTURE ON DISPLAY...
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting Control EDID EDID Protect On/Off EDID Type L13_1920_1080 P12_1024_768, P13_1024_768, P12_1366_768, P13_1366_768, P12_1920_1080, P13_1920_1080, L12_1366_768, L13_1366_768, L12_1920_1080, L13_1920_1080 EDID Write(0x4D,0) L13_1920_1080 P12_1024_768, P13_1024_768, SUCCESS P12_1366_768, P13_1366_768, P12_1920_1080, P13_1920_1080, L12_1366_768, L13_1366_768, L12_1920_1080, L13_1920_1080 Video Mute Time 0~99 Sub Option Inch...
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting Hotel Option Hotel Option Hotel Mode On/Off Shop Option Shop Option Shop Mode On/Off Sound Detection Threshold OPTION RANGE SOUND Pilot Threshold M2S Thr High 0~255 M2S Thr Low 0~255 S2M Thr High 0~255 S2M Thr Low 0~255...
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting MST69A84HQ VDEC SYNC_LVL 0~255 HPLL_MD HPLL_SPD1 0~63 HPLL_SPD2 0~255 CBCRLP_MD YC_DLY IFCOMP 0~63 0~255 SAT_ADJ YSEPFLT NOISE_LVL 0~255 Film Det Speed NT 0~255 IPC/MJC Film Det Speed PAL 0~255 Motion Hist Motion History Red Sat 0~30 Color Space Red Hue...
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting EPA Standard Std Contr 0~100 EPA Standard Std Bright 0~100 Std Sharp 0~100 Std Color 0~100 Std Tint 0~100 Std Backlight 0~10 Adjust Adjust Dynamic Dimming On/Off Dynamic CE Dynamic CE On/Off B Slope On/Off LNA Plus RF Db 0 Level...
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting YC_Delay PAL BG YC Delay PAL DK PAL I SECAM BG SECAM DK SECAM L NTSC 358 NTSC 443 AV PAL AV SECAM AV NT358 AV NT443 AV PAL60 Sharpness Sharpness H1 Gain 0~63 H2 Gain 0~63 H3Gain...
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www.freeservicemanuals.info 12/9/2016 4. Troubleshooting Skin X 0~11 Skin Y 0~11 B Slope 0~255 DLC ML 0~255 DLC_MH 0~255 DLC_H 0~255 Skin_SAT 0~15 Skin_Hue 0~127 M_Skin_Hue M_Skin_X 0~11 M_Skin_Y 0~11 Mid_color_level 0~255 M_Mid_color_level 0~255 EEPROM Reset EEPROM Reset EEPROM Reset NVR All Clear On/Off Defect Log...
www.freeservicemanuals.info 12/9/2016 4. Troubleshooting 4-4. White Balance - Calibration 4-4-1 White Balance -Calibration 1. Calibration 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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www.freeservicemanuals.info 12/9/2016 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 “Calibration” menu 5) Select the “AV Calibration”...
4-5. Servicing Information 4-5-1 USB Download Method 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.
www.freeservicemanuals.info 12/9/2016 6. Wiring Diagram 6-4. Cables 6-4-1. LA22/26/32B480Q1 (3) CONNECTOR IP to SUB (1) LVDS CONNECTOR (2) CONNECTOR POWER 16P POWER 3P BN96-02854F (22”) BN39-00691L (26”) BN39-00618M (26”) Code BN96-07766J (26”) BN39-00691K (32”) BN39-00618H (32”) BN96-07766K (32”) Photo (4) CONNECTOR ASSY PCB (5) ASSY-SPEAKER (6) IR to FUNCTION MAIN to SUB POWER 6P...