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Samsung LA19C350D1 Service Manual

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SERVICE
TFT-LCD TV
LA19C350D1/LA22C350D1
LA26C350D1/LA32C350D1
Refer to the service manual in the GSPN (see the rear cover) for the more information.
All manuals and user guides at all-guides.com
LCD-TV
Chassis
Model
: N89B/N89A
: LA19C350D1
LA22C350D1
LA26C350D1
LA32C350D1
Manual
Contents
1. Precautions
2. Product specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram

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Summary of Contents for Samsung LA19C350D1

  • Page 1 All manuals and user guides at all-guides.com LCD-TV Chassis : N89B/N89A Model : LA19C350D1 LA22C350D1 LA26C350D1 LA32C350D1 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...

  • Page 2: Table Of Contents

    4-5. How To Upgrade ......................4-27 4-6. Servicing Information ....................4-27 5. Exploded View & Part List ..................5-1 5-1. LA19C350D1 Exploded View ..................5-1 5-2. LA19C350D1 Parts List ....................5-3 5-3. LA22C350D1 Exploded View ..................5-5 5-4. LA22C350D1 Parts List ....................5-7 5-5.
  • Page 3 Mideast & Africa http://mea.samsungportal.com © 2010 Samsung Electronics Co.,Ltd. This Service Manual is a property of Samsung Electronics Co.,Ltd. All rights reserved. Any unauthorized use of Manual can be punished under applicable Printed in Korea International and/or domestic law.
  • Page 4 All manuals and user guides at all-guides.com 3. Disassembly and Reassembly 3. Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LCD TV. WARNING: This LCD TV contains electrostatically sensitive devices. Use caution when handling these components. 3-1.
  • Page 5 All manuals and user guides at all-guides.com 3. Disassembly and Reassembly Description Picture Description Screws 3. Lift up the rear-cover. 4. Remove the left and right speaker. 5. Remove the 4 screws of main board and 22"_C350 4 screws (22"C350 : 6 screws) of IP board. 6003-000269 (M3 x L6, TAPTYPE) 6003-001439...
  • Page 6 All manuals and user guides at all-guides.com 3. Disassembly and Reassembly Description Picture Description Screws 7. Lift up the stand link. 8. Lift up the panel. Reassembly procedures are in the reverse order of disassembly procedures. ※...
  • Page 7 All manuals and user guides at all-guides.com 3. Disassembly and Reassembly 3-2. Disassembly and Reassembly (LA26", 32"C350) 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...
  • Page 8 All manuals and user guides at all-guides.com 3. Disassembly and Reassembly Description Picture Description Screws 3. Lift up the rear-cover. 4. Remove the 3 screws of main board and 4 screws of IP board. Caution : This hole is the screw point to assemble the Rear Cover.
  • Page 9 All manuals and user guides at all-guides.com 3. Disassembly and Reassembly Description Picture Description Screws 6. Remove the 8 screws of Panel. 6002-001294 (M4, L16,Tapping) 6003-001188 (M4, L10, TAPTYPE) 7. Lift up the panel. Reassembly procedures are in the reverse order of disassembly procedures. ※...
  • Page 10 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5. Exploded View & Part List 5-1. LA19C350D1 Exploded View R001A M0014 P001A AB258 M0215 F001A M0027 SP01A SP01A...
  • Page 11 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5-2. LA19C350D1 Parts List Location No. Code No. Description & Specification Q’ty SA/SNA Remark F001A BN96-12856C ASSY COVER P-FRONT;LC350 19,SO,ABS+PMMA, SP01A BN96-13057C ASSY SPEAKER P;16ohm,4pin,3W,L:350 R:400 M0215 BN07-00703A LCD-PANEL;LTM185AT01,SS8YTSV,6bit Hi-FRC...
  • Page 12 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5-2-1. LA19C350D1 Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark LA19C350D1MXL BN90-02517C ASSY COVER FRONT;LC350 19...
  • Page 13 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..5 Q409 0505-002560 FET-SILICON;AO6415,P,-20V,-3.3A,0.15ohm, ..5 Q409 0505-002572 FET-SILICON;AO4801AL,P,-30V,-5.6A,0.075o ..5 IC112 1103-001310 IC-EEPROM;24LC02B,256X8BIT,SOIC,8P,3.91X ..5 IC112 1103-001385 IC-EEPROM;AT24C256,256Kbit,32Kx8,SOP,8P, ..5 1105-001931 IC-DDR2 SDRAM;K4T51163Q,DDR2-800,512Mbit...
  • Page 14 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..5 R114 2007-001101 R-CHIP;62ohm,5%,1/10W,TP,1608 ..5 2007-001237 R-CHIP;910ohm,1%,1/10W,TP,1608 ..5 2007-001285 R-CHIP;5.6ohm,5%,1/16W,TP,1005 ..5 OTR1 2007-001292 R-CHIP;33ohm,5%,1/16W,TP,1005 ..5 R326 2007-001325 R-CHIP;3.3Kohm,5%,1/16W,TP,1005 ..5...
  • Page 15 ASSY ACCESSORY;LA19C350D1MXL BN96-13328T ASSY ACCESSORY-MANUAL;LA19C350D1MXL ...3 6801-001523 CARD-WARRANTY;INDIA,SIEL,ENGLISH,ARTPAPE ...3 T0524 6902-000361 BAG PE;LDPE,T0.05,W400,L240,TRP,8,2,8.00 ...3 AA68-03242M MANUAL FLYER-MANUAL FLYER-06,SAFETY GUID ...3 T0511 BN68-00968F MANUAL USERS;LA32R81BM/XTL,SIEL,ENGLISH, ...3 BN68-02683A MANUAL USERS-01,IB;Comm,Samsung,English, ...3 BN68-02762B MANUAL FLYER-STAND GUIDE;L350(19~22),SAM ACCE2 BN96-13329P ASSY ACCESSORY-CABLE;LA19C350D1MXL ...3 T0685 4301-000103 BATTERY-ALKALINE;1.5V,750mAH,LR03,10.5x4...
  • Page 16 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 ...3 BH83-00343C CKD;SIEL ONLY,SIEL ONLY,NON UL ...3 REMO2 BN59-01003A REMOCON;TM940,SAMSUNG,20PIN SINGLE,39KEY ...3 M9889 BN63-01798B CLOTH-CLEAN;cloth,180,200,sea blue,ToC ...3 M0045 BN96-01800C ASSY ACCESSORY;PEONY/ROSE,-,KO,-,-,Witho ..4 T0081 6002-001294 SCREW-TAPPING;BH,+,,M4,L16,ZPC(BLK) ..4 T0524 6902-001169 BAG PE;LDPE,T0.1,W60,L60,Sealing...
  • Page 17 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5. Exploded View & Part List 5-1. LA22C350D1 Exploded View R001A M0014 M0174 M0215 F001A M0027 SP01A SP01A...
  • Page 18 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5-2. LA22C350D1 Parts List Location No. Code No. Description & Specification Q’ty SA/SNA Remark F001A BN96-12857C ASSY COVER P-FRONT;LC350 22,SO,ABS+PMMA, SP01A BN96-13057C ASSY SPEAKER P;16ohm,4pin,3W,L:350 R:400 M0215 BN07-00744A LCD-PANEL;T216HA01-DB,LM216HA,6bit Hi-FR M0014 BN94-03483Q ASSY PCB MAIN;MODEL...
  • Page 19 0.74 T0524 6902-000520 BAG PE;HDPE/NITRON,T0.015/T0.5(DOUBLE),W ACCE1 BN92-05865T ASSY ACCESSORY;LA19C350D1MXL BN96-13328T ASSY ACCESSORY-MANUAL;LA19C350D1MXL ...3 6801-001523 CARD-WARRANTY;INDIA,SIEL,ENGLISH,ARTPAPE ...3 T0524 6902-000361 BAG PE;LDPE,T0.05,W400,L240,TRP,8,2,8.00 ...3 AA68-03242M MANUAL FLYER-MANUAL FLYER-06,SAFETY GUID ...3 T0511 BN68-00968F MANUAL USERS;LA32R81BM/XTL,SIEL,ENGLISH, ...3 BN68-02683A MANUAL USERS-01,IB;Comm,Samsung,English, ...3 BN68-02762B MANUAL FLYER-STAND GUIDE;L350(19~22),SAM...
  • Page 20 BN96-13329P ASSY ACCESSORY-CABLE;LA19C350D1MXL ...3 T0685 4301-000103 BATTERY-ALKALINE;1.5V,750mAH,LR03,10.5x4 ...3 T0524 6902-000361 BAG PE;LDPE,T0.05,W400,L240,TRP,8,2,8.00 ...3 BH83-00343C CKD;SIEL ONLY,SIEL ONLY,NON UL ...3 REMO2 BN59-01003A REMOCON;TM940,SAMSUNG,20PIN SINGLE,39KEY ...3 M9889 BN63-01798B CLOTH-CLEAN;cloth,180,200,sea blue,ToC ...3 M0045 BN96-01800C ASSY ACCESSORY;PEONY/ROSE,-,KO,-,-,Witho ..4 T0081 6002-001294 SCREW-TAPPING;BH,+,,M4,L16,ZPC(BLK) ..4 T0524 6902-001169 BAG PE;LDPE,T0.1,W60,L60,Sealing...
  • Page 21 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..5 IC012 1203-006138 IC-POSI.ADJUST REG.;AP1117DGZ-13-89,TO-2 ..5 IC012 1203-006239 IC-POSI.ADJUST REG.;AP1117EGZ-13-89,SOT- ..5 1205-003201 IC-BUS SWITCH;TC7WB125FK,SSOP,8P,2x2.3mm ..5 1205-003479 IC-SWITCH;TPS2051BDBVR,SOT-23,5P,2.9x1.6 ..5 IC109...
  • Page 22 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..5 2007-007319 R-CHIP;390ohm,1%,1/16W,TP,1005 ..5 2007-007334 R-CHIP;200Kohm,1%,1/16W,TP,1005 ..5 2007-007721 R-CHIP;560ohm,1%,1/10W,TP,1608 ..5 2007-007766 R-CHIP;2Kohm,1%,1/16W,TP,1005 ..5 PRN7 2011-001011 R-NETWORK;10Kohm,5%,1/16W,L,CHIP,8P,TP,3 ..5 DAR09 2011-001262...
  • Page 23 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..5 T0568 3301-001404 BEAD-SMD;30ohm,2012,TP,15.9OHM/30MHz ..5 T0568 3301-002039 BEAD-SMD;26ohm,1608,TP ..5 AC510 3708-001150 CONNECTOR-FPC/FFC/PIC;30P,1mm,SMD-A,SN,Y ..5 HB01A 3711-005940 HEADER-BOARD TO CABLE;BOX,9P,1R,2mm,SMD- ..5 HB01A 3711-005941...
  • Page 24 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5. Exploded View & Part List 5-1. LA32C350D1 Exploded View R001A P001A M0215 M0014 F001A SG04 T0175 M0027 T0175...
  • Page 25 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5-2. LA32C350D1 Parts List Location No. Code No. Description & Specification Q’ty SA/SNA Remark F001A BN96-12859C ASSY COVER P-FRONT;LC350 32,SO,ABS+PMMA, T0175 BN96-13058A ASSY SPEAKER P;16ohm,4pin,5W,L:600 R:150 M0215 BN07-00867A LCD-PANEL;T315HA01-DB,CLC4AC1,8bits,32,1 P001A BN44-00369C IP BOARD-TV;PSIV121510AI,II32HD_ASM,12mA...
  • Page 26 All manuals and user guides at all-guides.com 5. Exploded View & Part List 5-2-1. LA32C350D1 Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark LA32C350D1MXL BN90-02520C ASSY COVER FRONT;LC350 32 M0081 6006-001096 SCREW-TAPTYPE;BH,+,WP,B,M4.0,L12,ZPC(BLK...
  • Page 27 ...3 T0685 4301-000103 BATTERY-ALKALINE;1.5V,750mAH,LR03,10.5x4 ...3 T0524 6902-000361 BAG PE;LDPE,T0.05,W400,L240,TRP,8,2,8.00 ...3 M0254 AA59-00416B ANT SHIELD BOX;UGC-AS-003A,PAL-BG,DK,I,M ...3 REMO2 BN59-01003A REMOCON;TM940,SAMSUNG,20PIN SINGLE,39KEY ...3 M9889 BN63-01798B CLOTH-CLEAN;cloth,180,200,sea blue,ToC ...3 T0527 BN68-00513A LABEL-E,PASS;ALL MODEL,YUPO(110G),50X15, ...3 BN96-01800K ASSY ACCESSORY-SCREW ZIPPER;10 LCD-TV,60 ..4 T0081 6002-001294 SCREW-TAPPING;BH,+,,M4,L16,ZPC(BLK) ..4...
  • Page 28 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..5 0401-001099 DIODE-SWITCHING;1N4148WS,75V,150mA,SOD-3 ..5 0403-001052 DIODE-ZENER;RD8.2MB,7.7-8.7V,200mW,SOT-2 ..5 0403-001416 DIODE-ZENER;MMSZ5227B,3.42-3.78V,500MW,S ..5 0403-001779 DIODE-ZENER;MMSZ5234BT1G,5.89/6.51V,500m ..5 0403-001783 DIODE-ZENER;BZB84-C6V2,5.8/6.6V,300mW,SO ..5 D0254 0404-001020 DIODE-SCHOTTKY;BAT54C,30V,200mA,SOT-23,T...
  • Page 29 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..5 2007-000640 R-CHIP;270ohm,1%,1/10W,TP,1608 ..5 ER13 2007-000669 R-CHIP;2Kohm,1%,1/10W,TP,1608 ..5 2007-000755 R-CHIP;330Kohm,1%,1/10W,TP,1608 ..5 2007-000763 R-CHIP;330ohm,1%,1/10W,TP,1608 ..5 AR61 2007-000869 R-CHIP;4.7Kohm,1%,1/10W,TP,1608 ..5 DR37...
  • Page 30 All manuals and user guides at all-guides.com 5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty SA/SNA Remark ..5 AD480 2203-006336 C-CER,CHIP;10000nF,10%,25V,X5R,3216 ..5 C802 2203-006348 C-CER,CHIP;1000nF,10%,25V,X5R,TP,1608 ..5 C125 2203-006361 C-CER,CHIP;10000nF,10%,10V,X5R,TP,2012 ..5 C234 2203-006378 C-CER,CHIP;4700nF,10%,6.3V,X5R,TP,1608 ..5 AD480 2203-006460...

  • Page 31: Precautions

    All manuals and user guides at all-guides.com 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.

  • Page 32: Servicing Precautions

    All manuals and user guides at all-guides.com 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.

  • Page 33: Installation Precautions

    All manuals and user guides at all-guides.com 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.
  • Page 34 All manuals and user guides at all-guides.com 1. Precautions Memo...

  • Page 35: Product Specifications

    All manuals and user guides at all-guides.com 2. Product specifications 2. Product specifications 2-1. Feature & Specifications Model LA19C350D1 Feature RF, 1-HDMI, 1-Component, 1-AV, 1-USB2.0, D-SUB, MEDIA PLAY, Headphone Out ሪ Brightness : 350cd/m ሪ Contrast Ratio : 3000:1 ሪ...
  • Page 36 All manuals and user guides at all-guides.com 2. Product specifications Model LA22C350D1 Feature RF, 1-HDMI, 1-Component, 1-AV, 1-USB2.0, D-SUB, MEDIA PLAY, Headphone Out ሪ Brightness : 350cd/m ሪ Contrast Ratio : 3000:1 ሪ Response time : 8.5ms ሪ Specifications Item Description LCD Panel 22 inch HD 60Hz...
  • Page 37 All manuals and user guides at all-guides.com 2. Product specifications Model LA26C350D1 Feature RF, 1-HDMI, 1-Component, 1-AV, 1-USB2.0, D-SUB, MEDIA PLAY, Audio Out ሪ Brightness : 350cd/m ሪ Contrast Ratio : 3000:1 ሪ Response time : 8.5ms ሪ Specifications Item Description LCD Panel 26 inch HD 60Hz...
  • Page 38 All manuals and user guides at all-guides.com 2. Product specifications Model LA32C350D1 Feature RF, 1-HDMI, 1-Component, 1-AV, 1-USB2.0, D-SUB, MEDIA PLAY, Audio Out ሪ Brightness : 400cd/m ሪ Contrast Ratio : 3000:1 ሪ Response time : 8.5ms ሪ Specifications Item Description LCD Panel 32 inch HD 60Hz...
  • Page 39 All manuals and user guides at all-guides.com 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 (Unit : MHz) AREA ASIA HONG SOUTH Number BAND BAND BAND...
  • Page 40 All manuals and user guides at all-guides.com 2. Product specifications (Unit : MHz) AREA ASIA HONG SOUTH Number BAND BAND BAND BAND BAND W/EUROPE E/EUROPE KONG U/K INDONESIA AFRICA 791.25 791.25 791.25 791.25 791.25 799.25 799.25 799.25 799.25 799.25 807.25 807.25 807.25 807.25...
  • Page 41 All manuals and user guides at all-guides.com 2. Product specifications (Unit : MHz) AREA Number AUSTRALIA BAND CHINA BAND AMERICA BAND 46.25 57.25 49.75 64.25 57.75 55.25 86.25 65.75 61.25 95.25 77.25 67.25 102.25 85.25 77.25 175.25 168.25 83.25 182.25 176.25 175.25 189.25...
  • Page 42 All manuals and user guides at all-guides.com 2. Product specifications (Unit : MHz) AREA Number AUSTRALIA BAND CHINA BAND AMERICA BAND 695.25 823.25 699.25 702.25 831.25 705.25 709.25 839.25 711.25 716.25 847.25 717.25 723.25 855.25 723.25 730.25 863.25 729.25 737.25 735.25 744.25 741.25...
  • Page 43 All manuals and user guides at all-guides.com 2. Product specifications Cable CHANNEL (Unit : MHz) AREA ASIA HONG SOUTH Number BAND BAND BAND BAND BAND W/EUROPE E/EUROPE KONG U/K INDONESIA AFRICA 105.25 103.25 103.25 105.25 105.25 112.25 111.25 111.25 112.25 112.25 119.25 119.25...
  • Page 44 All manuals and user guides at all-guides.com 2. Product specifications (Unit : MHz) AREA Number AUSTRALIA BAND CHINA BAND AMERICA BAND 105.25 112.25 73.25 112.25 120.25 55.25 119.25 128.25 61.25 126.25 136.25 67.25 133.25 144.25 77.25 140.25 152.25 83.25 147.25 160.25 175.25 154.25...
  • Page 45 All manuals and user guides at all-guides.com 2. Product specifications (Unit : MHz) AREA Number AUSTRALIA BAND CHINA BAND AMERICA BAND 475.25 481.25 487.25 493.25 499.25 505.25 511.25 517.25 523.25 529.25 535.25 541.25 547.25 553.25 559.25 565.25 571.25 577.25 583.25 589.25 595.25 601.25...

  • Page 46: Specification Comparison To Old Models

    All manuals and user guides at all-guides.com 2. Product specifications 2-2. Specification Comparison to Old Models Model C350(LA19/22C350D1) B350(LA26/32B350F1) Design Display Type LCD TV LCD TV Built-in Tuner Resolution 1366 x 768 1366 x 768 LCD Panel TFT LCD Panel 60Hz TFT LCD Panel 60Hz Screen Size 19"/22"/26"/32"...
  • Page 47 2. Product specifications 2-3. Detail Factory Option If you replace the main board with new one, please change the factory option as well. ※ The options you must change are “Type”. Model Name LA19C350D1 LA22C350D1 LA26C350D1 LA32C350D1 Vendor CHILIN CHILIN...
  • Page 48 All manuals and user guides at all-guides.com 2. Product specifications 2-4. Wall Mount * The wall mount's SCREW point have Filim tape for Dust protection(Panel). So, If User want use Wall mount, Remove Wall mount's Film tape. Model LC3D(LA**C350D1D) Wall mount Point * LC3D Model 's Wall mount point have Film tape 1.
  • Page 49 LC350 32" : BN90-02527A LC350 26" : BN90-02526A 6002-001294 Screw (19", 22" : 2 Screws (for the stand - M4, L16) 26", 32" : 3 Screws) Samsung Electronics Service center Owner’s Instructions BN68-02683A Cleaning Cloth BN63-01798B Warranty Card / Registration...

  • Page 50: Troubleshooting

    All manuals and user guides at all-guides.com 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. •...
  • Page 51 All manuals and user guides at all-guides.com 4. Troubleshooting 4-1-1. No Power The LEDs on the front panel do not work when connecting the power cord. The SMPS relay does not work when connecting the power cord. Symptom The units appears to be dead. The IP relay or the LEDs on the front panel does not work when connecting the power cord if the cables are improperly connected or the Main Board or SMPS is not functioning.
  • Page 52 Does the digital data appear at the output of LVDS Cable? Change a main PCB ass’y 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.
  • Page 53 All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS „ R,G,B Output Signal...
  • Page 54 All manuals and user guides at all-guides.com 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 M-star checkpoints This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. 19"/22"_C350 26"/32"_C350 Power Indicator is off.
  • Page 55 All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS „ Digital Output Data Signal of HDMI(Data)
  • Page 56 Does the Signal appear at C4022 Change a main PCB ass’y. of IC4000? Diagnostics 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.
  • Page 57 All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS „ CVBS Output Signal Tuner_CVBS Output Signal...
  • Page 58 Lamp on, no picture. Does the signal appear at C4025 of Check a connection harness. IC4000? Check a LVDS cable ? Replcelcd panel? Diagnostics Please, Call to Samsung Co. LTD. Caution Make sure to disconnect the power before working on the IP board.
  • Page 59 All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS „ CVBS Output Signal 4-10...
  • Page 60 All manuals and user guides at all-guides.com 4. Troubleshooting 4-1-6. 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.
  • Page 61 All manuals and user guides at all-guides.com 4. Troubleshooting WAVEFORMS „ The Signal are Inputed to IC1201 The Signal are Inputed to IC1202 4-12...

  • Page 62: Alignments And Adjustments

    All manuals and user guides at all-guides.com 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.

  • Page 63: Factory Mode Adjustments

    All manuals and user guides at all-guides.com 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...
  • Page 64 Model LB450, LB450_22, LB460, LB480, LB480_22, LB650, LB530, LB550, B550_FBE, LB550_FBE_NM Tuner Select SEMCO, XUGUANG Samsung SUWON, SESK, SEH, TTSEC, SEIN, SDMA, TSED, SAVINA, Ch Table SIEL_C, SIEL_N, TSE Local Set Vietnam, China, India, Iran, Israel, Middle Asia, East Asia, Africa P&P Language...
  • Page 65 All manuals and user guides at all-guides.com 4. Troubleshooting ADC Result 1st_AV_Gain 0 ~ 255 1st_AV_Offset 0 ~ 255 1st_Comp_Gain 0 ~ 255 1st_Comp_Gain_ 0 ~ 255 1st_Comp_Gain_Cr 0 ~ 255 1st_Comp_Offset 0 ~ 255 1st_Comp_Offset_ 0 ~ 255 1st_Comp_Offset_ 0 ~ 255 1st_PC_R_Gain 0 ~ 255...
  • Page 66 All manuals and user guides at all-guides.com 4. Troubleshooting Control „ EDID EDID Protect On/Off EDID Type P12_1024_768, P13_1024_768, P12_1366_768, P13_1366_768, EDID Write(0x4D,0) P12_1920_1080, P13_1920_1080, L12_1366_768, L13_1366_768, L12_1920_1080, L13_1920_1080 Sub Option Video Mute Time 0~99 Inch 19, 22, 23, 26, 27, 32, 37, 40, 42, 46, 50, 52, 57 Dimm Type EXT, INT, INT_NEG,EXT_POS, EXT_NEG D.Gamma...
  • Page 67 All manuals and user guides at all-guides.com 4. Troubleshooting Spread Spectrum Spread Spectrum On/Off Step 1 0~255 Step 2 0~255 Range 1 0~255 Range 2 0~255 FBE SSC On/Off PDP Option PixelShift Test On/Off Logic Download On/Off Pattern Select FRC Mode 100Hz/Repeat FRC DBG MarkOn 0~31...
  • Page 68 All manuals and user guides at all-guides.com 4. Troubleshooting Hotel Hotel Mode On/Off Option Power On Channel 0~99 Power On Band TV, AV1, AV2, Compon1, Component2, PC, HDMI1, HDMI2, Power On Source HDMI3, HDMI4 Power On Volume 0 ~ 100 Min Volume 0 ~ 100 Max Volume...
  • Page 69 All manuals and user guides at all-guides.com 4. Troubleshooting Sound Detection Threshold M2S Thr High 0~255 M2S Thr Low 0~255 S2M Thr High 0~255 S2M Thr Low 0~255 Amp On Thr High 0~255 Amp On Thr Low 0~255 Amp Off Thr High 0~255 Amp Off Thr Low 0~255...
  • Page 70 All manuals and user guides at all-guides.com 4. Troubleshooting Advanced Menu „ MST69A84HQ VDEC SYNC_LVL 0~255 HPLL_MD HPLL_SPD1 0~63 HPLL_SPD2 0~255 CBCRLP_MD YC_DLY IFCOMP 0~63 SAT_ADJ 0~255 YSEPFLT NOISE_LVL 0~255 IPC/MJC Film Det Speed NT 0~255 Film Det Speed PAL 0~255 Motion Hist Motion History...
  • Page 71 All manuals and user guides at all-guides.com 4. Troubleshooting Pattern Select 0~25 B-Slope Gain 0~255 B-Tilt Min 0~255 B-Tilt Max 0~255 LFuc-Basis 0~255 HFuc-Basis 0~255 Mean-Offset1 0~255 Mean-Offset2 0~255 Mean-Slope 0~255 ACR Offset 0~127 ACR Th1 0~255 ACR Th2 0~255 Skin Enable 0~255 Skin Uv...
  • Page 72 All manuals and user guides at all-guides.com 4. Troubleshooting EPA Standard Std Contr 0~100 Std Bright 0~100 Std Sharp 0~100 Std Color 0~100 Std Tint 0~100 Std Backlight 0~10 Adjsut Dynamic Dimming On/Off Dynamic CE Dynamic CE On/Off B Slope On/Off LNA Plus RF Db 0 Level...
  • Page 73 All manuals and user guides at all-guides.com 4. Troubleshooting Sharpness H1 Gain 0~63 H2 Gain 0~63 H3Gain 0~63 H4 Gain 0~63 V1 Gain 0~63 V2 Gain 0~63 H Overshoot B1 0~255 H Overshoot B2 0~255 V Overshoot B5 0~255 V Overshoot B8 0~255 H Undershoot B1 0~255...

  • Page 74: White Balance -Calibration

    All manuals and user guides at all-guides.com 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 „...
  • Page 75 All manuals and user guides at all-guides.com 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"...

  • Page 76: How To Upgrade

    4-6-1 USB Download Method Samsung may offer upgrades for TV’s firmware in the future. Please contact the Samsung call center 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.

  • Page 77: Wiring Diagram

    All manuals and user guides at all-guides.com 6. Wiring Diagram 6. Wiring Diagram 6-1. Wiring Diagram...

  • Page 78: Connector

    All manuals and user guides at all-guides.com 6. Wiring Diagram 6-2. Connector CN1001 (to Power board) CN4001 (PC/DVI Sound) PWM Dimming PC_SL_IN A13V PC_SR_IN PC_SR_IN B3.3VD PC_SL_IN PC_SR_IN Inverter PC_SL_IN CN5003 (AV2) CN2005 (Speaker) AV2_SL_IN IDENT_AV2 AV2_CVBS_IN AV2_SL_IN AV2_SR_IN CN2001_HP (Head Phone) AV2_SR_IN CN5001 (Comp1/AV1) HP-R...

  • Page 79: Connector Functions

    All manuals and user guides at all-guides.com 6. Wiring Diagram 6-3. Connector Functions Connector Functions ↔ Supply main power and dimming signal from IP board to Main Board. CN1001 CNM802 ↔ The LVDS signal transfered from Main Board to Panel. CN7001 Panel 6-4.

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