Samsung LTM1555(B) Service Manual
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Samsung LTM1555(B) Service Manual

Samsung LTM1555(B) Service Manual

Tft-lcd monitor
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SERVICE
TFT-LCD MONITOR
TFT-LCD MONITOR
Chassis
Model
ES15U*
LTM1555(B)
ES17U*
LTM1755(B)
Manual
CONTENTS
CONFIDENTIAL

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Summary of Contents for Samsung LTM1555(B)

  • Page 1: Table Of Contents

    CONFIDENTIAL TFT-LCD MONITOR Chassis Model ES15U* LTM1555(B) ES17U* LTM1755(B) SERVICE Manual TFT-LCD MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignment & Adjustments 5. Troubleshooting 6. Exploded View & Parts List 7. Electrical Parts List 8. Block Diagram 9.
  • Page 2 Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea. Printed in Korea P/N : BN82-00071A-00 http://www.samsungmonitor.com (SyncMaster Worldwide) http://www.samsung-monitor.com (SyncMaster USA) http://www.sec.co.kr/monitor (Korea)

  • Page 3: Precautions

    CONFIDENTIAL 1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings For continued safety, do not attempt to modify the (READING SHOULD circuit board. NOT BE ABOVE 0.5mA) Disconnect the AC power and DC Power Jack before servicing.

  • Page 4: Servicing Precautions

    CONFIDENTIAL 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.

  • Page 5: Product Specifications

    CONFIDENTIAL 2 Product Specifications 2-1 Specifications Description Item LTM1555(B) LTM1755(B) LCD Panel TFT-LCD panel, RGB vertical stripe, normaly TFT-LCD panel, RGB vertical stripe, normaly white, 15-Inch viewable, 0.297 mm pixel pitch white, 17-Inch viewable, 0.264 mm pixel pitch Scanning Frequency Horizontal : 30 KHz ~ 69 KHz (Automatic) 30 KHz ~ 81 KHz (Automatic) Vertical...

  • Page 6: Pin Assignments

    CONFIDENTIAL 2 Product Specifications 2-2 Pin Assignments Sync Type Separate H/V Composite H/V Sync-on-green Pin No. Green Green Green + H/V Sync. Blue Blue Blue GND (DDC Return) GND (DDC Return) GND (DDC Return) GND-Red GND-Red GND-Red GND-Green GND-Green GND-Green GND-Blue GND-Blue GND-Blue...

  • Page 7: Timing Chart

    CONFIDENTIAL 2 Product Specifications 2-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. Table 2-1 Timing Chart Mode VESA VGA2/ VGA3/ 640/75 Hz 640/85 Hz 800/75 Hz 800/85 Hz 1024/60Hz 1024/75Hz...
  • Page 8 CONFIDENTIAL 2 Product Specifications Memo LTM1555(B)/LTM1755(B)

  • Page 9: Disassembly & Reassembly

    CONFIDENTIAL 3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LTM1555(B)/LTM1755(B) monitor. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly. 2.
  • Page 10 CONFIDENTIAL 3 Disassembly and Reassembly 4. Lift up the rear cover until it opens completely. 3-2 Reassembly Reassembly procedures are in the reverse order of dissasembly procedures. LTM1555(B)/LTM1755(B)

  • Page 11: Alignment & Adjustments

    CONFIDENTIAL 4 Alignments and Adjustments 4-1 General Alignment Instruction 1. Usually, a color TV-VCR needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync. 2. Use the specified test equipment or its equivalent. 3.
  • Page 12 CONFIDENTIAL 4 Alignments and Adjustments 4-2 Adjustment Instruction 4-2-1 Service Mode Screen PC white balance 1. Auto Color TV auto color 2. Options Add AFN : No Bus stop : No EEPROM clear 3. Reset 4-2-2 Service function 1. EEPROM Clear : Initially executed when replacing OTP. 2.

  • Page 13: Troubleshooting

    CONFIDENTIAL 5 Troubleshooting 5-1 No Power Does proper DC 14 V appear at Check SMPS PCB and Adapter. DC jack connected to CN12? Does proper DC 5 V appear at Check IC11. Pin 2 of IC11? Does proper DC 14V appear at Check IC11.
  • Page 14 CONFIDENTIAL 5 Troubleshooting 5-2 No Video (PC Signal) Power indicator is green. Does the signal appear at IC134, IC135, IC136 Check CN11. of R, G, B input? Does the clock pulse Check X21 and related circuit of X21. appear at X21? Does the clock pulse appear at output of <RA35~RA39, RA310>15”...
  • Page 15 CONFIDENTIAL 5 Troubleshooting 5-3 No Picture (TV, Video, S-Video) Check Pin 55, 56 (S-Video) and Pin 52 (VCR) and Pin 74 Check CN41 (Tuner) and and Pin 53 (RF-CVBS) CN26 (VCR connector). of IC401 (VSP9407). Does the signal appear at Check IC401 (VSP9407) RA33, RA34, RA311, RA312? and related circuit.

  • Page 16: No Sound

    CONFIDENTIAL 5 Troubleshooting 5-4 No Sound Does the signal appear at Pin 67 (Tuner sound signal) and Check CN11 (PC conector) Pin 57, 56 (PC sound) and Pin 51, 50 and CN26(VCR connector). (VCR sound) of IC53 (MSP3421G)? Does the signal appear at Pin 27, Check IC32 and related circuit.
  • Page 17 CONFIDENTIAL 6 Exploded View and Parts List 6-1-1 LTM1555(B) LTM1555(B)/LTM1755(B)

  • Page 18: Exploded View & Parts List

    CONFIDENTIAL 6 Exploded View & Parts List 6-1-2 LTM1555(B) Front LTM1555(B)/LTM1755(B)
  • Page 19 CONFIDENTIAL 6 Schematic Diagrams 6-1-3 LTM1555(B) Rear LTM1555(B)/LTM1755(B)
  • Page 20 CONFIDENTIAL 6 Exploded View & Parts List 6-1-3 LTM1555(B) Stand LTM1555(B)/LTM1755(B)
  • Page 21 CONFIDENTIAL 6 Schematic Diagrams 6-2-1 LTM1755(B) LTM1555(B)/LTM1755(B)
  • Page 22 CONFIDENTIAL 6 Exploded View & Parts List 6-2-2 LTM1755(B) Front LTM1555(B)/LTM1755(B)
  • Page 23 CONFIDENTIAL 6 Schematic Diagrams 6-2-3 LTM1755(B) Rear LTM1555(B)/LTM1755(B)
  • Page 24 CONFIDENTIAL 6 Exploded View & Parts List 6-2-3 LTM1755(B) Stand LTM1555(B)/LTM1755(B)

  • Page 25: Electrical Parts List

    CONFIDENTIAL 7 Electrical Parts List 7-1-1 LTM1555(B) Main PCB Parts Loc. No. Code No. Description Specification Remarks BN94-00308A ASSY PCB MAIN ES15UO BN83-00081A CKD-BN44-00056A BN44-00056A,2203-000206 BN83-00086A CKD-BN44-00056A BN44-00056A,2203-002793 BN83-00086A CKD-BN44-00056A BN44-00056A,2203-002793 C115 2409-001044 C-ORGANIC 100UF,+-20%,16V,WT,TP,8X10.5,5 C116 2409-001044 C-ORGANIC 100UF,+-20%,16V,WT,TP,8X10.5,5 BN83-00082A CKD-BN44-00056A BN44-00056A,2203-001458 BN83-00083A...
  • Page 26 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks BN83-00074A CKD-BN44-00056A BN44-00056A,0407-000114 BN83-00075A CKD-BN44-00056A BN44-00056A,0402-001110 BN83-00076A CKD-BN44-00056A BN44-00056A,0407-000122 BN83-00077A CKD-BN44-00056A BN44-00056A,0407-000116 BN83-00077A CKD-BN44-00056A BN44-00056A,0407-000116 BN83-00074A CKD-BN44-00056A BN44-00056A,0407-000114 BN83-00074A CKD-BN44-00056A BN44-00056A,0407-000114 BN83-00074A CKD-BN44-00056A BN44-00056A,0407-000114 BN83-00075A CKD-BN44-00056A BN44-00056A,0402-001110 BN83-00076A CKD-BN44-00056A BN44-00056A,0407-000122 BN83-00077A...
  • Page 27 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks BN83-00093A CKD-BN44-00056A BN44-00056A,2007-000092 BN83-00094A CKD-BN44-00056A BN44-00056A,2007-000102 BN83-00090A CKD-BN44-00056A BN44-00056A,2007-000098 BN83-00090A CKD-BN44-00056A BN44-00056A,2007-000098 BN83-00101A CKD-BN44-00056A BN44-00056A,2007-000090 BN83-00092A CKD-BN44-00056A BN44-00056A,2007-000872 BN83-00092A CKD-BN44-00056A BN44-00056A,2007-000872 BN83-00100A CKD-BN44-00056A BN44-00056A,2007-000130 BN83-00101A CKD-BN44-00056A BN44-00056A,2007-000090 BN83-00102A CKD-BN44-00056A BN44-00056A,2007-000934 BN83-00102A...
  • Page 28 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks SH/PCB+SH/D_SUB 6003-000117 SCREW-TAPTITE BH,+,B,M3,L6,ZPC(YEL),SWRCH18A BN83-00109A CKD-BN44-00056A BN44-00056A,LH26-00144A BN83-00109A CKD-BN44-00056A BN44-00056A,LH26-00144A BN83-00066A CKD-BN44-00056A BN44-00056A,1201-000471 BN83-00067A CKD-BN44-00056A BN44-00056A,1202-000104 BN83-00067A CKD-BN44-00056A BN44-00056A,1202-000104 BN83-00065A CKD-BN44-00056A BN44-00056A,1203-000560 BN83-00067A CKD-BN44-00056A BN44-00056A,1202-000104 U501 2401-002286 C-AL 470uF,20%,16V,WT,TP,10x12.5,5 BN90-00031A ASSY SHIELD-PCB...
  • Page 29 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C114 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C119 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 2402-001081 C-AL,SMD 100uF,20%,25V,WT,TP,8.3x8.3x10 C120 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C121 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C122 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C123 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C125 2203-000903 C-CERAMIC,CHIP 0.0047nF,0.25pF,50V,NP0,TP,1608...
  • Page 30 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C225 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C226 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C227 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C228 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C229 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C230 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C231 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608...
  • Page 31 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C350 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C351 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C352 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C353 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C354 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C355 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C3552 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C356 2203-000189 C-CERAMIC,CHIP...
  • Page 32 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks 2203-000972 C-CERAMIC,CHIP 47nF,10%,16V,X7R,TP,1608 C430 2203-000280 C-CERAMIC,CHIP 0.01nF,0.5pF,50V,NP0,TP,1608 C431 2203-000998 C-CERAMIC,CHIP 0.047nF,5%,50V,NP0,TP,1608 C432 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C433 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C434 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C437 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C438 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608,...
  • Page 33 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C533 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C534 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C535 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C536 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C537 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C538 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C539 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4...
  • Page 34 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C619 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C620 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C621 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C622 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C635 2203-000440 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1608,- C637 2203-000440 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1608,- C638...
  • Page 35 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks FT14 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT31 2901-001133 FILTER-EMI SMD 25V,0.15A,-,33pF,2x1.25x0.8mm,TP FT32 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT51 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT52 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT61 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT62 3301-001145...
  • Page 36 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM BN27-00007A COIL CHOKE-SMD DHB0504-100,RB15/17NS,10UH,°æ10%,-,0.08OHM,1.5A,DR5.8X4.5,20.5TS,6.0X5.2X4.5MM,- BN27-00007A COIL CHOKE-SMD DHB0504-100,RB15/17NS,10UH,°æ10%,-,0.08OHM,1.5A,DR5.8X4.5,20.5TS,6.0X5.2X4.5MM,- BN27-00007A COIL CHOKE-SMD DHB0504-100,RB15/17NS,10UH,°æ10%,-,0.08OHM,1.5A,DR5.8X4.5,20.5TS,6.0X5.2X4.5MM,- BN27-00007A COIL CHOKE-SMD DHB0504-100,RB15/17NS,10UH,°æ10%,-,0.08OHM,1.5A,DR5.8X4.5,20.5TS,6.0X5.2X4.5MM,- MP1.0 BN41-00184A PCB MAIN ES15UO,FR4,6,228X157X1.6,ES15UO 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270...
  • Page 37 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R128 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 2007-000124 R-CHIP 2.2Kohm,5%,1/16W,DA,TP,1608 R130 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R131 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R132 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R133 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R135 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R137 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608...
  • Page 38 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R240 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R241 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R242 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R243 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R244 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R245 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R246 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R247 2007-000084 R-CHIP...
  • Page 39 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R330 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R331 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R332 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R333 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R334 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R3345 2007-000113 R-CHIP 33ohm,5%,1/16W,DA,TP,1608 R335 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R336 2007-000074 R-CHIP...
  • Page 40 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R383 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R384 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 2007-000092 R-CHIP 15Kohm,5%,1/16W,DA,TP,1608 R410 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R411 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R412 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R413 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R414...
  • Page 41 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R461 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R462 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R464 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R465 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R467 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R468 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R469 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608...
  • Page 42 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R549 2007-000518 R-CHIP 2.7KOHM,5%,1/10W,DA,TP,2012 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R550 2007-000087 R-CHIP 6.8Kohm,5%,1/16W,DA,TP,1608 R551 2007-000087 R-CHIP 6.8Kohm,5%,1/16W,DA,TP,1608 R552 2007-000093 R-CHIP 20Kohm,5%,1/16W,DA,TP,1608 R553 2007-000093 R-CHIP 20Kohm,5%,1/16W,DA,TP,1608 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 2007-000098 R-CHIP...
  • Page 43 CONFIDENTIAL 7 Electrical Parts List 7-1-2 LTM1555(B) Others Loc. No. Code No. Description Specification Remarks BN90-00195E ASSY STAND GH17LS STD+C/R 6001-000154 SCREW-MACHINE BH,+,M4,L8,NI PLT,SM20C,- BN75-00242A UNIT-STAND EOS 15AS/NS,-,ABS,-,SV-012P,-,SPRAY,- 6003-000009 SCREW-TAPTITE BH,+,B,M4,L16,ZPC(YEL),SWRCH18 6003-001010 SCREW-TAPTITE FH,+,B,M3,L6,ZPC(YEL),SWRCH18A 6003-001315 SCREW-TAPTITE BH,+,B,M4,L20,ZPC(YEL),SWRCH18A BH73-60339A RUBBER-LEG SLC1400,EVA,GRAY,65HB,DIA13*H2 BN61-00159A FRAME-STAND BASE EOS/NIKE,EGI,T1.2...
  • Page 44 LTM1555BX/XAA,SEA,UNITED STATES BN96-00145K ASSY ACCESSORY LTM1555BX/XAA,SEA,UNITED STATES 0203-000214 TAPE-OPP MASKING OPP/W50/CLR,T0.05,W50,L400000, 4301-000121 BATTERY-MN 1.5V,-,AAA,10.5x44.5m,HOLDER AA68-00371C CARD WARRANTY ,SEA,W/P100(G),1 YEAR BH39-10339X CBF POWER CORD DET,SVT,125V/7A,BLK,1830,WALL(ST),MSP-33,MSC-30 BH68-00261P MANUAL SEAREGISTRATION CARD,SEA,E,USA,MOJO120G,173,234 BN39-00043A CBF SIGNAL DETACHABLE,-,15P/15P,-,-,- BN59-00302A REMOCON ,TM71,EOS,37,GR20,SS,DO BN68-00266A MANUAL-S/D LTM1555,LTM1755,SAMSUNG,E/F/S/P,ADC,W/P(100G), ,A4 7-20 LTM1555(B)/LTM1755(B)
  • Page 45 CONFIDENTIAL 7 Electrical Parts List 7-2-1 LTM1755(B) Main PCB Parts Loc. No. Code No. Description Specification Remarks BN94-00320A ASSY PCB MAIN ES17UO C115 2409-001044 C-ORGANIC 100UF,+-20%,16V,WT,TP,8X10.5,5 C116 2409-001044 C-ORGANIC 100UF,+-20%,16V,WT,TP,8X10.5,5 0201-001223 ADHESIVE-TS HT-130S,RED,700+/- 50,- 0202-001044 SOLDER-WIRE. S63S-W3.0,S63S,D3,63Sn/37Pb,- 0202-001162 SOLDER-CREAM RMA-20-21L,S63,-,SN63/PB36.6/AG0.4,FLUX9.5% 0202-001222 SOLDER-WIRE FLUX RS-107,RS60-1.2AA,D1.2,SN60/PB40,-...
  • Page 46 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks BD221 3301-001163 CORE-FERRITE BEAD AB,80ohm,2x1.25x1mm,300mA,TP,FERRITE,0.08ohm BD222 3301-001163 CORE-FERRITE BEAD AB,80ohm,2x1.25x1mm,300mA,TP,FERRITE,0.08ohm BD223 3301-001163 CORE-FERRITE BEAD AB,80ohm,2x1.25x1mm,300mA,TP,FERRITE,0.08ohm BD224 3301-001163 CORE-FERRITE BEAD AB,80ohm,2x1.25x1mm,300mA,TP,FERRITE,0.08ohm BD225 3301-001163 CORE-FERRITE BEAD AB,80ohm,2x1.25x1mm,300mA,TP,FERRITE,0.08ohm BD226 3301-001163 CORE-FERRITE BEAD AB,80ohm,2x1.25x1mm,300mA,TP,FERRITE,0.08ohm BD227 3301-001163...
  • Page 47 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C153 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C154 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C155 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C156 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C157 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C158 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C159 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C160 2203-000257 C-CERAMIC,CHIP...
  • Page 48 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C3246 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C3285 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C329 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, 2203-000697 C-CERAMIC,CHIP 0.002nF,0.25pF,50V,NP0,TP,1608 C330 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C3300 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C331 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C332 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608,...
  • Page 49 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C378 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C3782 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C379 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C380 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C381 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C382 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C383 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C384 2203-000384 C-CERAMIC,CHIP...
  • Page 50 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C510 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C511 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C512 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C513 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C514 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C515 2402-001157 C-AL,SMD 0.33UF,20%,50V,GP,TP,4X5.2MM C516 2402-001157 C-AL,SMD 0.33UF,20%,50V,GP,TP,4X5.2MM C517 2402-001006 C-AL,SMD...
  • Page 51 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C561 2203-001391 C-CERAMIC,CHIP 150nF,10%,25V,X7R,TP,2012,- C562 2203-001391 C-CERAMIC,CHIP 150nF,10%,25V,X7R,TP,2012,- C563 2203-001391 C-CERAMIC,CHIP 150nF,10%,25V,X7R,TP,2012,- C564 2203-001391 C-CERAMIC,CHIP 150nF,10%,25V,X7R,TP,2012,- C565 2203-001391 C-CERAMIC,CHIP 150nF,10%,25V,X7R,TP,2012,- C566 2203-001391 C-CERAMIC,CHIP 150nF,10%,25V,X7R,TP,2012,- C567 2203-001391 C-CERAMIC,CHIP 150nF,10%,25V,X7R,TP,2012,- C568 2203-001391 C-CERAMIC,CHIP...
  • Page 52 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks CN21 3711-002127 CONNECTOR-HEADER BOX,8P,1R,1.25mm,SMD-A,SN CN22 3711-002049 CONNECTOR-HEADER BOX,6P,1R,1.25mm,SMD-A,SN CN23 3711-002049 CONNECTOR-HEADER BOX,6P,1R,1.25mm,SMD-A,SN CN26 3711-000556 CONNECTOR-HEADER BOX,12P,1R,1.25mm,SMD-A,SN CN27 3711-000556 CONNECTOR-HEADER BOX,12P,1R,1.25mm,SMD-A,SN CN62 3711-004070 CONNECTOR-HEADER BOX,30P,1R,1.25mm,SMD-A,SN 0402-000553 DIODE-RECTIFIER SS24,40V,2.0A,DO-214AA 0402-000553 DIODE-RECTIFIER SS24,40V,2.0A,DO-214AA 0403-000579...
  • Page 53 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks IC23 0903-001202 IC-MICROCONTROLLER 80251G2,8Bit,PLCC,44P,653MIL,24MHz,TR,CMOS,PLASTIC,5V,1.5W,0to+70C,1KBYTE,-,24Bi IC24 0803-000117 IC-TTL 74F14,INVERTER,SOP,14P,150MIL, IC25 0801-002268 IC-CMOS LOGIC 74VHC139,DECODER,SOP,16P,150MI IC26 0801-000411 IC-CMOS LOGIC 74HC32,OR GATE,SOP,14P,150MIL, IC27 0801-000411 IC-CMOS LOGIC 74HC32,OR GATE,SOP,14P,150MIL, IC28 0802-001108 IC-BICMOS LOGIC 74ABT573,LATCH,TSSOP,20P,173MIL,8,TR,PLASTIC,3-STATE,-,0.55V,-65TO+150C,-,0.8V,5 IC31 1204-001551...
  • Page 54 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R1006 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R1007 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R1008 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R1009 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R1010 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R1011 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R1012 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R1013 2007-000070 R-CHIP...
  • Page 55 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks 2007-000077 R-CHIP 470ohm,5%,1/16W,DA,TP,1608 R150 2007-000102 R-CHIP 100Kohm,5%,1/16W,DA,TP,1608 R151 2007-000102 R-CHIP 100Kohm,5%,1/16W,DA,TP,1608 2007-000077 R-CHIP 470ohm,5%,1/16W,DA,TP,1608 2007-000077 R-CHIP 470ohm,5%,1/16W,DA,TP,1608 2007-000077 R-CHIP 470ohm,5%,1/16W,DA,TP,1608 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R210 2007-000077 R-CHIP 470ohm,5%,1/16W,DA,TP,1608 R211...
  • Page 56 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R2554 2007-000075 R-CHIP 220ohm,5%,1/16W,DA,TP,1608 R2555 2007-000075 R-CHIP 220ohm,5%,1/16W,DA,TP,1608 R2556 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R2557 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R2558 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R256 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R257 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R2570 2007-000070 R-CHIP...
  • Page 57 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R349 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R350 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R351 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R352 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R353 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R354 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R355 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608...
  • Page 58 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R436 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R437 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R438 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R439 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 2007-000077 R-CHIP 470ohm,5%,1/16W,DA,TP,1608 R440 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R441 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R442 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608...
  • Page 59 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R513 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R514 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R516 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R517 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R518 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R519 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 2007-000097 R-CHIP 47Kohm,5%,1/16W,DA,TP,1608 R520 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608...
  • Page 60 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 R620 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 R621 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R622 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R623 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R624 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R625 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R626 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608...
  • Page 61 CONFIDENTIAL 7 Electrical Parts List 7-2-2 LTM1755(B) Others Loc. No. Code No. Description Specification Remarks BN90-00195E ASSY STAND GH17LS STD+C/R 6001-000154 SCREW-MACHINE BH,+,M4,L8,NI PLT,SM20C,- BN75-00242A UNIT-STAND EOS 15AS/NS,-,ABS,-,SV-012P,-,SPRAY,- 6003-000009 SCREW-TAPTITE BH,+,B,M4,L16,ZPC(YEL),SWRCH18 6003-001010 SCREW-TAPTITE FH,+,B,M3,L6,ZPC(YEL),SWRCH18A 6003-001315 SCREW-TAPTITE BH,+,B,M4,L20,ZPC(YEL),SWRCH18A BH73-60339A RUBBER-LEG SLC1400,EVA,GRAY,65HB,DIA13*H2 BN61-00159A FRAME-STAND BASE EOS/NIKE,EGI,T1.2...
  • Page 62 LTM1555BX/XAA,SEA,UNITED STATES BN96-00145K ASSY ACCESSORY LTM1555BX/XAA,SEA,UNITED STATES 0203-000214 TAPE-OPP MASKING OPP/W50/CLR,T0.05,W50,L400000, 4301-000121 BATTERY-MN 1.5V,-,AAA,10.5x44.5m,HOLDER AA68-00371C CARD WARRANTY ,SEA,W/P100(G),1 YEAR BH39-10339X CBF POWER CORD DET,SVT,125V/7A,BLK,1830,WALL(ST),MSP-33,MSC-30 BH68-00261P MANUAL SEAREGISTRATION CARD,SEA,E,USA,MOJO120G,173,234 BN39-00043A CBF SIGNAL DETACHABLE,-,15P/15P,-,-,- BN59-00302A REMOCON ,TM71,EOS,37,GR20,SS,DO BN68-00266A MANUAL-S/D LTM1555,LTM1755,SAMSUNG,E/F/S/P,ADC,W/P(100G), ,A4 7-38 LTM1555(B)/LTM1755(B)

  • Page 63: Block Diagram

    CONFIDENTIAL 8 Block Diagram LTM1555(B)/LTM1755(B)
  • Page 64 CONFIDENTIAL 8 Block Diagrams Memo LTM1555(B)/LTM1755(B)

  • Page 65: Wiring Diagram

    CONFIDENTIAL 9 Wiring Diagram KEY0 KEY1 KEY2 CN21 KEY3 CN61 CN62 KEY4 KEY5 KEY6 SPK OUT R + CN53 SPK OUT -R- SPK OUT L + CN52 SPK OUT L- CN13 AUDIO L IN CN26 LED_GRN LED_RED CN22 IRRCVR COM2-Y COM2-PB CN27 COM2-PR...
  • Page 66 CONFIDENTIAL 9 Schematic Diagrams Memo LTM1555(B)/LTM1755(B)

  • Page 67: Schematic Diagrams

    CONFIDENTIAL 10 Schematic Diagrams 10-1 Power EOS_VE_NTSC Part Schematic Diagram +5V_CPU IS ALWAYS ACTIVE +3.3V_JAG IS ALWAYS ACTIVE +2.5V_A_JAG & +2.5V_D_JAG IS ALWAYS ACTIVE +5V_CPU +14V_IN +14V_IN +5V_CPU +2.5V_A_JAG +5V_CPU +2.5V_D_JAG CN12 L111 dcjhp_7 +5V_CPU +3.3V_JAG IC109 IC17 C142 IC11 IC14 KA317MR LM317SX...
  • Page 68 CONFIDENTIAL 10 Schematic Diagrams 10-2 LTM1555(B)/LTM1755(B)
  • Page 69 CONFIDENTIAL 10 Schematic Diagrams 10-2 Micom / Jack Part Schematic Diagram +5V_CPU +5V_CPU TP129 TP130 TP131 +5V_CPU CN23 slcon8p +5V_CPU R2584 U501 R257 470uF 4.7uF SCR3 CHANGE TO 32.768 D236 HB-1M2012-800JT R234 R214 CN26 IC402 C223 BD21 slcon14p_1 HC-49/S-SMD(14.31818MHZ) 330PF NM24C17FM8X 1/16W R235...
  • Page 70 CONFIDENTIAL 10 Schematic Diagrams 10-4 LTM1555(B)/LTM1755(B)
  • Page 71 CONFIDENTIAL 10 Schematic Diagrams 10-3 Scalar EOS_VE_NTSC Part Schematic Diagram LTM1555(B)/LTM1755(B) 10-5...
  • Page 72 CONFIDENTIAL 10 Schematic Diagrams 10-6 LTM1555(B)/LTM1755(B)
  • Page 73 CONFIDENTIAL 10 Schematic Diagrams 10-4 Video EOS_VE_NTSC Part Schematic Diagram +5V_DEC +5V_DEC +5V_DEC C446 C445 R447 R449 R451 22pF 22pF PB_9883 Y_9883 PR_9883 2SC2412K-Q 2SC2412K-Q 2SC2412K-Q HC-49/SM5H(20.25MHz) DTV_PB DTV_Y DTV_PR R448 R450 R452 TP417 +5V_DEC TP418 C410 C420 C413 C412 C411 C419 C418...
  • Page 74 CONFIDENTIAL 10 Schematic Diagrams 10-8 LTM1555(B)/LTM1755(B)
  • Page 75 CONFIDENTIAL 10 Schematic Diagrams 10-5 Audio Part Schematic Diagram +14V_OUT +8V_AUDIO QSS_IF IC52 +12V_AUDIO BA178M08FP IN OUT C538 C528 100nF 10uF R547 C558 100nF 150nF C5244 C521 C522 C527 10uF 3.3uF 56PF 100nF C562 C556 C531 T116 150nF R518 R519 R513 R525 R526...
  • Page 76 CONFIDENTIAL 10 Schematic Diagrams 10-10 LTM1555(B)/LTM1755(B)
  • Page 77 CONFIDENTIAL 10 Schematic Diagrams 10-6 LVDS & RAM EOS_VE_NTSC Part Schematic Diagram +3.3V_JAG +3.3V_PANEL R640 CN61 slcon22p_1 FT64 TP188 BLM41P600S TP189 TP190 TP191 Tx0- C617 C618 C619 C620 C621 C622 C611 C612 C613 C614 C615 C616 Tx0+ 22uF 100nF 100nF 100nF 100nF 100nF...
  • Page 78 CONFIDENTIAL 10 Schematic Diagrams Memo 10-12 LTM1555(B)/LTM1755(B)

  • Page 79: Panel Description

    CONFIDENTIAL 11 Panel Description Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LT140X1-002 BN07-00004A BN68-00187A LT150XS-L01 BN07-00009A BN68-00187B LT150XS-L01-B BN07-00022A BN68-00187C LTM150XS-L02 BN07-00005A BN68-00187D LT181E2-132 BN07-00001A BN68-00187E LT150XS-T01 BN07-00010A BN68-00187F LTM181E3-132 BN07-00019A BN68-00187G LT170E2-131 BN07-10001D BN68-00187H LT181E2-131 BN07-10001E BN68-00187J LTM170E4-L01 BN07-00018A BN68-00187K LTM240W1-L01 BN07-00015A...
  • Page 80 CONFIDENTIAL 11 Panel Description Memo 11-2 LTM1555(B)/LTM1755(B)
  • Page 81 CONFIDENTIAL Copyright Trademarks © 2002 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. LTM1555(B)/LTM1755(B) and Macmaster Cable This manual may not, in whole or in part, be Adapter are trademarks of Sansung Electronics copied, photocopied, reproduced, translated, or Co., Ltd.

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