Samsung LTM225W Service Manual
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Samsung LTM225W Service Manual

Samsung LTM225W Service Manual

Tft-lcd tv/monitor
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SERVICE
TFT-LCD TV/MONITOR
TFT-LCD TV/MONITOR
Chassis
Model
PD22UO
LTM225W
Manual
4. Alignment & Adjustments
11. Panel Description
CONFIDENTIAL
CONTENTS

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Summary of Contents for Samsung LTM225W

  • Page 1: Table Of Contents

    CONFIDENTIAL TFT-LCD TV/MONITOR Chassis Model PD22UO LTM225W SERVICE Manual TFT-LCD TV/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: Precautions

    A substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock, fire and/or other hazards. Product safety is under review continuously and new instructions are issued whenever appropriate. LTM225W...
  • Page 3 Use only an anti-static solder removal device. Some brushing clothes together, or lifting your foot from solder removal devices not classified as “anti-static” a carpeted floor can generate enough static can generate electrical charges sufficient to damage electricity to damage an ESD. ESDs. LTM225W...

  • Page 4: Product Specifications

    – BASS Control Range : -12 dB~ + 12 dB – TREBLE Control Range : -12 dB~ + 12 dB – Headphone Out: 5mW max (400m Vrms) – Output Frequency : RF => 80 Hz ~ 15 KHz A/V => 80 Hz ~ 15 KHz LTM225W...
  • Page 5 Analog Green Hot Plug Detect DDC Clock Analog Blue T.M.D.S. Data0- DDC Data Analog Horizontal Sync. T.M.D.S. Data0+ Analog Vertical Sync. Analog Ground T.M.D.S. Data0/5 Shield (analog R,G&B return) T.M.D.S. Data1- T.M.D.S. Data5- T.M.D.S. Data1+ T.M.D.S. Data5+ T.M.D.S. Data1/3 Shield LTM225W...
  • Page 6 2 Product Specifications 2-2-3 DVD, DTV 2-2-4 S-Video Separate RCA Green Pb (Cb) RCA Blue Pr (Cr) RCA Red Audio L RCA White Audio R RCA Red 2-2-5 A/V RCA Yellow CVBS Audio L RCA White Audio R RCA Red LTM225W...
  • Page 7 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. 2-3-1 LCD Panel Mode : 1 mode ✻ N/I : Non-Interlaced, I : Interlaced LTM225W...
  • Page 8 µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs LTM225W...
  • Page 9 µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs µs LTM225W...

  • Page 10: Disassembly & Reassembly

    CONFIDENTIAL 3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LTM225W 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.
  • Page 11 4. Insert a screw driver into the right and left holes on the stand’s upper groove respectively. Lift up the right & left side. 5. Pull the rear cover. 3-2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. LTM225W...
  • Page 12 6. Do not attempt to connect or disconnect any wire while the TV is turned on. Make sure that the power cord is disconnected before replacing any parts. 7. To protect aganist shock hazard, use an isolation transformer. LTM225W...
  • Page 13 4-2-1 Entering Factory Mode 1. To enter “Service Mode” Press the remote -control keys in this sequence : - If you do not have Factory remote - control - If you have Factory remote - control 4-2-2 Factory Mode Tree LTM225W...
  • Page 14 CONFIDENTIAL 4 Alignments and Adjustments LTM225W...
  • Page 15 CONFIDENTIAL 4 Alignments and Adjustments Memo LTM225W...

  • Page 16: Troubleshooting

    IC804 and Pin 2 of IC967? (BN94-00397A) IC807 is bad. Does proper DC 12V Change main assy. appear at Pin 2 of IC807? (BN94-00397A) IC803 is bad. Does proper DC 8V_A Change main assy. 1-10 appear at Pin 3 of IC803? (BN94-00397A) LTM225W...
  • Page 17 CONFIDENTIAL 5 Troubleshooting WAVEFORMS 1-10 LTM225W...
  • Page 18 Change main PCB assy. appear at X201? (BN94-00397A) RA301~RA306 are bad. Does the signal appear at Change main PCB assy. RA301~RA306? (BN94-00397A) Does the signal Power indicator is green. 2-10 appear at CN924? Replace the LCD_Panel with new one. LTM225W...
  • Page 19 CONFIDENTIAL 5 Troubleshooting WAVEFORMS 2-10 LTM225W...
  • Page 20 X201? Change main PCB assy. (BN94-00397A) RA301~RA306 are bad. Does the signal appear at Change main PCB assy. 3-13 RA301~RA306? (BN94-00397A) Does the signal Power indicator is green. 3-14 appear at CN924? Replace the LCD_Panel with new one. LTM225W...
  • Page 21 CONFIDENTIAL 5 Troubleshooting WAVEFORMS 3-10 3-11 3-12 3-13 3-14 LTM225W...
  • Page 22 X201? Change main PCB assy. (BN94-00397A) RA301~RA306 are bad. Does the signal appear at Change main PCB assy. 4-13 RA301~RA306? (BN94-00397A) Does the signal Power indicator is green. 4-14 appear at CN924? Replace the LCD_Panel with new one. LTM225W...
  • Page 23 CONFIDENTIAL 5 Troubleshooting WAVEFORMS 4-10 4-11 4-12 4-13 4-14 LTM225W...
  • Page 24 IC919 are bad. P67(Tuner) and P47, P48(PC) and Change main PCB assy. P56, P57(VCR) and P53, P54(DVD) (BN94-00397A) and P50, P51(DTV) in IC919? IC501 is bad. Does the signal appear at Change main PCB assy. L501~L504? (BN94-00397A) Replace the speaker. LTM225W...
  • Page 25 CONFIDENTIAL 5 Troubleshooting WAVEFORMS 5-10 LTM225W...

  • Page 26: Exploded View & Parts List

    CONFIDENTIAL 6 Exploded View and Parts List LTM225W...
  • Page 27 CONFIDENTIAL 6 Exploded View & Parts List Memo LTM225W...

  • Page 28: Electrical Parts List

    2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C236 2402-000135 C-AL,SMD 22uF,20%,16V,GP,TP,5.3x5.3x5.4 C237 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C238 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C239 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C241 2402-000209 C-AL,SMD 22uF,20%,16V,WT,TP,5.3x5.3mm,1 C242 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C244 2203-000815 C-CERAMIC,CHIP 0.033nF,5%,50V,NP0,TP,1608 C245 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C246 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 LTM225W...
  • Page 29 2203-000998 C-CERAMIC,CHIP 0.047nF,5%,50V,NP0,TP,1608 C307 2203-000998 C-CERAMIC,CHIP 0.047nF,5%,50V,NP0,TP,1608 C308 2203-000815 C-CERAMIC,CHIP 0.033nF,5%,50V,NP0,TP,1608 C309 2203-000815 C-CERAMIC,CHIP 0.033nF,5%,50V,NP0,TP,1608 C310 2203-000815 C-CERAMIC,CHIP 0.033nF,5%,50V,NP0,TP,1608 C311 2402-000179 C-AL,SMD 47uF,20%,16V,GP,TP,6.6x6.6x5.4 C312 2203-000815 C-CERAMIC,CHIP 0.033nF,5%,50V,NP0,TP,1608 C313 2203-000815 C-CERAMIC,CHIP 0.033nF,5%,50V,NP0,TP,1608 C314 2203-000815 C-CERAMIC,CHIP 0.033nF,5%,50V,NP0,TP,1608 C315 2203-000815 C-CERAMIC,CHIP 0.033nF,5%,50V,NP0,TP,1608 LTM225W...
  • Page 30 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C3335 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C3336 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C334 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C336 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C337 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C338 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C339 2402-000135 C-AL,SMD 22uF,20%,16V,GP,TP,5.3x5.3x5.4 C340 2203-000815 C-CERAMIC,CHIP 0.033nF,5%,50V,NP0,TP,1608 C341 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 LTM225W...
  • Page 31 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C397 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C398 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C399 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C401 2203-001851 C-CERAMIC,CHIP 0.016nF,5%,50V,NP0,TP,1608 C402 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C403 2402-001006 C-AL,SMD 4.7uF,20%,25V,GP,TP,3.6x6.3x3. C404 2203-001656 C-CERAMIC,CHIP 0.47nF,5%,50V,NP0,TP,1608 C405 2402-000135 C-AL,SMD 22uF,20%,16V,GP,TP,5.3x5.3x5.4 C406 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 LTM225W...
  • Page 32 2402-000179 C-AL,SMD 47uF,20%,16V,GP,TP,6.6x6.6x5.4 C498 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C501 2203-005015 C-CERAMIC,CHIP 150nF,+80-20%,16V,Y5V,TP,1608 C502 2203-005015 C-CERAMIC,CHIP 150nF,+80-20%,16V,Y5V,TP,1608 C503 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C504 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C505 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C506 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C507 2203-005015 C-CERAMIC,CHIP 150nF,+80-20%,16V,Y5V,TP,1608 C508 2203-005015 C-CERAMIC,CHIP 150nF,+80-20%,16V,Y5V,TP,1608 LTM225W...
  • Page 33 2402-000173 C-AL,SMD 4.7uF,20%,35V,GP,TP,4.3x4.3x5. C555 2402-000173 C-AL,SMD 4.7uF,20%,35V,GP,TP,4.3x4.3x5. C556 2402-000173 C-AL,SMD 4.7uF,20%,35V,GP,TP,4.3x4.3x5. C557 2402-000173 C-AL,SMD 4.7uF,20%,35V,GP,TP,4.3x4.3x5. C558 2402-000173 C-AL,SMD 4.7uF,20%,35V,GP,TP,4.3x4.3x5. C559 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C561 2402-000108 C-AL,SMD 10uF,20%,16V,WT,TP,4.3x4.3x5.4 C562 2402-000173 C-AL,SMD 4.7uF,20%,35V,GP,TP,4.3x4.3x5. C563 2402-000173 C-AL,SMD 4.7uF,20%,35V,GP,TP,4.3x4.3x5. C564 2402-000173 C-AL,SMD 4.7uF,20%,35V,GP,TP,4.3x4.3x5. LTM225W...
  • Page 34 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C712 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C713 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C714 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C715 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C716 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C717 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C718 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C719 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C722 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, LTM225W...
  • Page 35 2203-001402 C-CERAMIC,CHIP 220nF,+80-20%,16V,Y5V,TP,1608 C851 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C852 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C853 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C856 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C857 2409-001065 C-ORGANIC 82UF,20%,16V,WT,TP,8X6.9MM,- C858 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C859 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C861 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C862 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, LTM225W...
  • Page 36 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C9586 2409-001029 C-ORGANIC 120uF,20%,6.3V,WT,TP,10.3x10.3x10.3mm,9 C9587 2409-001029 C-ORGANIC 120uF,20%,6.3V,WT,TP,10.3x10.3x10.3mm,9 C9588 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C9589 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C9592 2203-000389 C-CERAMIC,CHIP 0.015nF,5%,50V,NP0,TP,2012 C9593 2203-000389 C-CERAMIC,CHIP 0.015nF,5%,50V,NP0,TP,2012 C9642 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C9643 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C9644 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, LTM225W...
  • Page 37 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C9689 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C9690 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C9691 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C9692 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C9693 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C9694 2203-000189 C-CERAMIC,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, C9695 2402-000108 C-AL,SMD 10uF,20%,16V,WT,TP,4.3x4.3x5.4 C9696 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C9697 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 7-10 LTM225W...
  • Page 38 DIODE-ARRAY DAN202K,80V,100MA,CA2-3,SOT-23,TP D403 0403-000579 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 D405 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D409 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D410 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D411 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D413 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D414 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D415 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D501 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP LTM225W 7-11...
  • Page 39 1203-001212 IC-VOL. DETECTOR 7029,SOT-89,3P,-,PLASTIC,-,500 IC606 1103-000129 IC-EEPROM 24C02,256x8BIT,SOP,8P,150MIL,1 IC620_SOCK 3704-000249 SOCKET-IC 32P,PLCC,SN,1.27mm IC631 0904-001009 IC-I/O SUPPORT CHIP 8574A,-,SOP,16P,300MIL,100KHz, IC632 0904-001009 IC-I/O SUPPORT CHIP 8574A,-,SOP,16P,300MIL,100KHz, IC681 1001-001109 IC-ANALOG SWITCH FST3125M,BUS SWITCH & CMOS,SOIC,17P,150MIL,QUAD,7V,-40TO+85C,PLASTIC,-,4.0OHM,5. IC711 1001-001190 IC-ANALOG SWITCH FST16233MTD,BUS SWITCH,TSSOP,56P,240MIL,-,5.5V,-40TO+85C,PLASTIC,-,20OHM,8.5NS,7 7-12 LTM225W...
  • Page 40 L540 2703-002327 INDUCTOR-SMD 3.9UH,55,3.2X2.5X2.2MM L541 2703-002327 INDUCTOR-SMD 3.9UH,55,3.2X2.5X2.2MM L555 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L801 BN27-00010A COIL CHOKE -,NK17NS,100UH,10%,-,0.7ߟ MAX,6A,DR5.8X4.5MM,59.5TS,6.0X5.2X4.5MM,1.8MM,IUEW 0. L804 BN27-00010A COIL CHOKE -,NK17NS,100UH,10%,-,0.7ߟ MAX,6A,DR5.8X4.5MM,59.5TS,6.0X5.2X4.5MM,1.8MM,IUEW 0. L806 BN27-00009A COIL CHOKE SMD 12X12X6,EOS,33UH,15%,-,0.12ߟ MAX,2A,DR10X5.0MM,18.5TS,12X12X6,1.8MM,1UEW 0. L807 BN27-20001A COIL-CHOKE -,53.0UH,20%,DR10*5,-,-,-,-,0.18ohm,-,-,-,TRAY LTM225W 7-13...
  • Page 41 R-CHIP 390ohm,5%,1/16W,DA,TP,1608 R236 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R238 2007-001134 R-CHIP 68ohm,5%,1/16W,DA,TP,1608 R239 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R241 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R248 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R249 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R297 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R298 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R299 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 7-14 LTM225W...
  • Page 42 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R433 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R434 2007-000080 R-CHIP 2Kohm,5%,1/16W,DA,TP,1608 R435 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 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 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 R439 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R440 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R441 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 LTM225W 7-15...
  • Page 43 R-CHIP 220ohm,5%,1/16W,DA,TP,1608 R4638 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 R4639 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 R4640 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 R4641 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 R4642 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R4643 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R4644 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R4645 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R4646 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 7-16 LTM225W...
  • Page 44 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R529 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R531 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R532 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R533 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R535 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R536 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R539 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R551 2007-000642 R-CHIP 270OHM,5%,1/10W,DA,TP,2012 R552 2007-000642 R-CHIP 270OHM,5%,1/10W,DA,TP,2012 LTM225W 7-17...
  • Page 45 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R648 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R649 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R650 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R651 2007-000075 R-CHIP 220ohm,5%,1/16W,DA,TP,1608 R652 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R653 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R654 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R655 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R656 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 7-18 LTM225W...
  • Page 46 R-CHIP 390ohm,5%,1/16W,DA,TP,1608 R737 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R738 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R739 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R742 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R743 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R744 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R747 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R749 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R752 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 LTM225W 7-19...
  • Page 47 R-NETWORK 10ohm,5%,63mW,L,CHIP,8P,TP RA609 2011-000651 R-NETWORK 10ohm,5%,63mW,L,CHIP,8P,TP RA610 2011-000515 R-NETWORK 4.7Kohm,5%,1/16W,L,CHIP,8P,TP RA611 2011-000515 R-NETWORK 4.7Kohm,5%,1/16W,L,CHIP,8P,TP RA733 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA734 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA735 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA736 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA737 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA738 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP 7-20 LTM225W...
  • Page 48 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 RJ16 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 RJ17 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 X201 2801-003667 CRYSTAL-SMD 14.3182MHZ,50PPM,28-AAN,16,50OHM,TP X401 2801-001473 CRYSTAL-SMD 4MHz,50ppm,28-AAN,18pF,150ohm, X511 2801-003843 CRYSTAL-SMD 18.432MHz,30ppm,28-AAN,20pF,50ohm,TP X601 2801-004117 CRYSTAL-SMD 6MHZ,30PPM,28-ABX,20PF,150OHM,TP BN97-00164J ASSY MICOM PD22UO,USA,PD22UO-WXA3/8080 IC602 1102-001129 IC-EPROM M27W401,512KX8BIT,PLCC,32P,11.35X13.89MM,80NS,3.3V,10%,PLASTIC,-40TO+85C,-,CMOS, BN82-00075P A/S MICOM PD22UO,USA LTM225W 7-21...
  • Page 49 DET,SVT,125V/7A,BLK,1830,WALL(ST),MSP-33,MSC-30 BN39-00057A CBF SIGNAL-RCA -,1500MM,RCA-3P,-,UL2863#25,- BN39-00060A CBF SIGNAL-DIN -,1500MM,-,-,UL2990,4P MINI DIN BN39-00126A CBF SIGNAL CN17BSF,24P+5C/24P+5C,20276(DVI(I)),2000MM,UL20276,IVORY,DVI-I,-,-,- BN39-00148A CBF IF-RCA PHONE JACK PC24NS,RCA-2P,2863,1500MM,UL2863,BLACK,RCA PLUG(RED/WHITE),-,-,- BN39-00279A CABLE RCA APOLLO,UL2863#25,UL/CSA,3P,RED/BLU/GRN,#25,RCA-PLUG,RCA-PLUG,BK,1500MM,2863#25,S BN39-00310A CBF SIGNAL APOLLO,15P/24P,2990,1830MM,UL2990,IVORY,D-SUB/DVI(D),DET. TYPE BN59-00306B REMOCON ,TM65A,POSEIDON,49,G6671B,NTSC,EX,AMERICA BN68-00349A MANUAL USERS LTM225W,SAMSUNG,E/F/S/P,ADC,MOJO100G 7-22 LTM225W...

  • Page 50: Block Diagram

    CONFIDENTIAL 8 Block Diagram 8-1 Block Diagram LTM225W...
  • Page 51 CONFIDENTIAL 8 Block Diagrams 8-2 Power Stage Block Diagram LTM225W...

  • Page 52: Wiring Diagram

    CONFIDENTIAL 9 Wiring Diagram 9-1 Main PCB CN924 CN01 SDA2 SCL2 ESDA ESDL CN921 ADJ_BRIGHT VSYNC_TO_INVERTER IDENT_FAC INVERTER ON_OFF SW_PCGAZN HSYNC_TO_INVERTER ESDA CN_DPTV_CONTROL ESCL (For engineer's reference only) CN502(R) CN501(L) CN712 CN713 CN714 CN715 CN923 LTM225W...
  • Page 53 +14V +14V +14V HP_OUT_R HP_OUT_L HP_OUT_R HP_OUT_L INPUT BOARD HP_IDENT RX2+ CHK_DSUB RX2- +5V_A RX1+ RX1- VOL+ BUZZER PC_VSYNC RX0+ RX0- VOL- PC_HSYNC SOURCE RXC+ MENU BLUE RXC- GREEN DDC SCL DDC SDA CN15 CN19 CN11 CN12 CN13_KOR CN10 LTM225W...

  • Page 54: Schematic Diagrams

    DEFAULT_NET_TYPE PC_DDC_SDA DDC_DVI_SDA R996 R997 C1213 C1214 C1212 C1276 DDC_DVI_SCL DVD INPUT DTV INPUT PC_DDC_SCL C1211 T991 R1048 1/16W C1215 AGND MUX_VSYNC C1216 MUX_HSYNC AGND C183 C633 AGND PRINTER:dps_c4_1 22uF 100nF IC606 NM24C02M8 PRT1A3 PRT1S3 PRINTER:dps_c4_2 PRINT1 PRINT4 LTM225W 10-1...
  • Page 55 CONFIDENTIAL 10 Schematic Diagrams 10-2 LTM225W...
  • Page 56 +3.3V_BD C282 100nF KSC1623-Y AGND4 AGND4 C308 C309 C310 C312 C313 C314 C315 C316 C317 C320 C324 33pF 33pF 33pF 33pF 33pF 33pF 33pF 33pF 33pF 33pF 33pF FROM D_MUX C9554 C9555 100nF 100nF (VS HS DCLK) DGND LTM225W 10-3...
  • Page 57 CONFIDENTIAL 10 Schematic Diagrams 2-10 3-10 3-11 3-12 3-13 3-14 4-12 4-13 4-14 10-4 LTM225W...
  • Page 58 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF AGND_S AGND_S AGND_S R4624 R4625 R4626 R4627 R4628 R4629 R4630 R4631 R4632 R4633 R4634 R4635 R4636 SCL2 SDA2 S_RESET S_MUTE_TA1101 LTM225W 10-5...
  • Page 59 CONFIDENTIAL 10 Schematic Diagrams 1-10 10-6 LTM225W...
  • Page 60 R4644 PC_L PC_R C718 C719 C722 C723 DGND TP838 1/16W 100nF 100nF 100nF 100nF DGND DGND DGND SUPLVAL DDC_DVI_SDA DGND R4649 C9706 100nF DDC_DDC_SCL 1/16W C732 C733 C734 R4643 TP837 100nF 100uF 100nF SUPLVAL 1/16W AGND_S DGND DGND LTM225W 10-7...
  • Page 61 CONFIDENTIAL 10 Schematic Diagrams 4-10 4-11 10-8 LTM225W...
  • Page 62 TP131 JACK3P VOL+_OUT TP132 CN17 AGND CN16 CN18 CN14 DGND BUZER_IN TP133 WOOFER_OUT CH-_OUT TP134 VOL-_OUT TP135 AGND SGND ZD23 INPUT PCB SOURCE_OUT TP136 RLZ8.2 100pF GND_AMP MENU_OUT TP137 ZD24 AGND GND_AMP RLZ8.2 CN15 GND_AMP AGND AGND AGND LTM225W 10-9...
  • Page 63 CONFIDENTIAL 10 Schematic Diagrams Memo 10-10 LTM225W...
  • Page 64 Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea. Printed in Korea P/N : BN82-00084A-00 http://www.samsungsupport.com...

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