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Samsung LW17M24C, Service Manual

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3 Disassembly and Reassembly

LW17M24C/LW20M21C

3-1

3 Disassembly and Reassembly

This section of the service manual describes the disassembly and reassembly procedures for the
LW17M24C/LW20M21C TFT-LCD TV.

WARNING:

This monitor contains electrostatically sensitive devices. Use caution 

when handling these components.

3-1-1 LW17M24C

Cautions:

1. Disconnect the monitor from the power source before disassembly.
2. When IP-BOARD has a defect, the whole PCB ASS’Y, not a single part, should be

replaced.

1.

Place LCD TV face down on cushioned table.
Remove 4 screws from the stand.

2.

Remove 3 screws from the rear cover and lift up
the rear cover.

3.

Remove 13 screws from the boards and remove 2
hold inverter from the boards.
Disconnect inverter cable, speaker cable, control
cable, BRKT AC cable and LVDS cable from the
boards.

4.

Lift up the boards. remove 8 screws from the
shield panel.

5.

Remove 8 screws from the shield panel.
.Lift up the panel shield. and lift up the panel.

Summary of Contents for LW17M24C

Page 1: ...ICE TFT LCD TV 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 Wiring Diagram 10 PCB Layout 11 Schematic Diagrams 12 Panel Description ...

Page 2: ...y reassembled plug the AC line cord directly into a 220V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe conduit etc and all exposed metal parts including metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repea...

Page 3: ...wer switch ON Connect an insulation resistance meter 500 V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 6 Always connect a test instrument s ground lead to the instrument chassis ground before connecting the positive lead always remove the instrument s ground lead last 6 Do not rem...

Page 4: ...stalled 18 86x8 85x18 07Inches 479x224 8x459 1mm Stateofstandinstalled 18 86x2 94x17 18Inches 479x74 7x436 4mm Stateofstanddisassembled 16 44x4 95x16 72Inches 417 5x125 7x424 6mm StateofWallmount 18 86x5 51x20 42Inches 479x139 9x518 6mm WithoutStandofWallmount Package 21 1 x 7 2 x 20 1 Inches 537 x 183 x 511 mm 22 60 x 23 35 x 8 27 Inches 574 x 593 x 210 mm Weight Set Package 4 95 Kg 10 91Ibs 7 0 ...

Page 5: ... 2 3 4 5 GND Y C GND GND 2 2 2 S Video Pin Separate Red Green Blue GND GND DDC Return GND Red GND Green GND Blue No Connection GND Sync Self Test GND DDC Data H Sync V Sync DDC Clock 2 2 4 D SUB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 No PIN Sound R out Sound R In Sound L out GND GND Sound L In Cb ID GND NC Y NC GND GND Cr BL In GND GND Video Out Video In GND 2 2 1 Scart ...

Page 6: ...tive Positive Separate 31 469 31 777 3 813 1 589 26 058 0 318 70 087 14 268 0 064 0 858 13 155 0 191 28 322 Negative Positive Separate fH KHz A µsec B µsec C µsec D µsec E µsec fV Hz O msec P msec Q msec R msec S msec Clock Freq MHz Polarity H Sync V Sync Remark IBM LW17M24C LW20M21C 640 75 Hz 60Hz 72Hz 640 x 480 800 75 Hz 56Hz 60Hz 72Hz 800 x 600 1024 60Hz 1024 x 768 VGA2 70 Hz 720 x 400 VGA3 60 ...

Page 7: ...Memo 2 Product Specifications 2 4 LW17M24C LW20M21C ...

Page 8: ...r source before disassembly 2 When IP BOARD has a defect the whole PCB ASS Y not a single part should be replaced 1 Place LCD TV face down on cushioned table Remove 4 screws from the stand 2 Remove 3 screws from the rear cover and lift up the rear cover 3 Remove 13 screws from the boards and remove 2 hold inverter from the boards Disconnect inverter cable speaker cable control cable BRKT AC cable ...

Page 9: ...d is loosely inserted into stand cover rear can be damaged when disconnected 3 Disconnect inverter holder wire from the board and carefully reomve the silicon glue on the LVDS cable with a nipper 4 Disconnect function cable speaker cable inverter cable and LVDS cable from the board 5 Remove 8 screws from the shield panel and lift up the panel 6 Lift up the panel This picture shows cover front afte...

Page 10: ...3 Disassembly and Reassembly LW17M24C LW20M21C 3 3 3 2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures ...

Page 11: ...Memo 3 Disassembly and Reassembly 3 4 LW17M24C LW20M21C ...

Page 12: ...mpedance matching is essential 4 Avoid overload Excessive signal from a sweep generator might overload the front end of the TV When inserting signal markers do not allow the marker generator to distort test result 5 Connect the TV only to an DC power source with voltage and frequency as specified on the backcover nameplate 6 Do not attempt to connect or disconnect any wire while the TV is turned o...

Page 13: ...NFO Menu 3 W B 4 ADC 5 VCTi 127 6 ACC ACM 7 Test Pattern 0 8 Bus Stop off 9 Check Sum 0 10 Reset T VNC17 20 PEU 0003 2004 04 20 1 RF VIDEO S VIDEO Factory Mode Calibration VCTi Enter 2 PC adjust in VGA MODE Based on Master device execute Auto Adjustment in Cross Hatch also called Combination Model 10 Pattern 25 VI DEO SIGNAL GENERATOR M SPG 925F After adjusting 16 Gray Pattern Model 10 Pattern 17 ...

Page 14: ... 0 255 128 128 Blue level FIX 0 255 128 128 Red Gain FIX 0 255 128 135 Green Gain ADJ 0 255 128 135 Blue Gain ADJ 0 255 128 135 gSUB Color FIX 0 255 0 0 gSUB Tint FIX 0 255 50 50 Factory Recall A S Micom I nitial Data Write 2 Option 1 Video Mute O 2 Auto Power On 3 Panel XGA 4 Inch 15 5 Antenna Osd off 6 TTXList Flof Flof 7 Auto FM On 8 Acc ACM 1 9 Gamma LUT O 10 ESM 11 System On CW LW17M24C Blue ...

Page 15: ...8 T Dixel 12 Lower End 80 Mid Start 30 Mid End 100 Up Start 40 Low Sn Thr 60 Up Sn Thr 0 Y Min 10 Y Max 255 Ym Div Slp 128 Fr Age 1 Fr App 0 Esm Ctrl 127 VCTi PC Roff set set set set set set FIX 0 127 46 Roff FIX 0 127 50 Goff FIX 0 127 66 Goff FIX 0 127 54 Boff FIX 0 127 68 Boff FIX 0 127 44 Rgain0 FI X 0 255 251 Rgain0 FI X 0 255 115 Rgain1 FI X 0 1 0 Rgain1 FI X 0 1 1 Ggain0 FI X 0 255 255 Ggai...

Page 16: ...or Bar 7 Cross 8 Bus Stop Bus stop is used data communication 9 Chcek Sum Display the current check sum size of the MICOM 10 Reset Initializes the data in the MICOM 11 T VNC17 20 PEU 0003 2004 04 20 Display the MICOM program version 4 2 3 White Balance High Low 285 295 285 295 x y x y High Low 285 295 280 295 x y x y LW17M24C LW20M21C ...

Page 17: ...f CN100 Check CN803 Pin3 Pin9 in I P Board Yes No No No No No Does proper DC A5V appear at FT144 Check IC101 and IC105 Yes Does proper B3 3V appear at Pin 2 of IC111 Check IC111 Yes Does proper DC B1 8V appear at Pin 4 of IC112 Check IC112 Yes Does proper DC B8V appear at FT130 Check IC109 1 2 3 4 5 ...

Page 18: ... LW17M24C LW20M21C No No No Check IC704 and IC802 Yes Does proper DC 5V_P appear at Pin 2 of IC104 Check IC104 Yes Does proper DC 9V_S appear at FT127 Check IC110 Yes Yes Does proper DC B5V appear at FT131 Check IC108 6 7 8 ...

Page 19: ...5 Troubleshooting LW17M24C LW20M21C 5 3 WAVEFORMS 1 2 5 3 6 4 4 7 8 ...

Page 20: ...5 Troubleshooting 5 4 LW17M24C LW20M21C 5 2 No Picture TV Video S Video DVD Check C800 TV Check C822 Video Check C824 S Video Check C821 SCART Check the input signal Yes Check the IC802 WAVEFORMS 9 9 No ...

Page 21: ... 120 SCART Pin 117 118 PC of IC802 VCTj RF Check Tu01 TV Tuner Video Check the CN913 SCART Check the CN901 Yes Does the signal appear at Pin 123 124 of IC802 VCTj Check IC802 Yes Does the signal appear at Pin 2 5 of Pin 16 19 IC600 Check the IC600 Audio amp and related circuit of IC600 Yes Replace the speaker 5 3 No Sound No No No ...

Page 22: ...Memo 5 Troubleshooting 5 6 LW17M24C LW20M21C ...

Page 23: ...LW17M24C LW20M21C 6 1 6 Exploded View and Parts List You can search for updated part codes through ITSELF web site URL http itself sec samsung co kr 6 1 LW17M24C ...

Page 24: ...6 Exploded View Parts List 6 2 LW17M24C LW20M21C 6 2 LW20M21C ...

Page 25: ...E SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D952 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D953 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D954 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D955 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0401 001056 D956 DIODE SWITCHING MMBD4148SE 100V 200MA SOT 23 TP SA 5 0...

Page 26: ... LOGIC 74LCX14 SOIC 14P 150MIL TP 3 6V 40TO 85C 5 5V 24MA SA 5 0801 002716 IC902 IC CMOS LOGIC 74LCX157 MULTIPLEXER SOIC 16P 150MIL QUAD TP PLASTIC 0V 40TO 85C 0V 10UA SA 5 0909 001036 IC706 IC REAL TIME CLOCK DS1337S SO 8P 150MIL 400KHZ TP CMOS PLASTIC 3 3V 40TO 85C SA 5 1001 001082 IC501 IC VIDEO SWITCH BA7657F SOP 24P 300MIL SINGL SA 5 1003 001713 IC704 IC LCD CONTROLLER GM2221 PQFP 208P TR PLA...

Page 27: ...CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R719 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R720 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R727 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R728 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R729 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R752 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R753 R CHIP 100ohm 5 1 10W TP 1608 SA 5 200...

Page 28: ...7 000084 R8120 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R855 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R914 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R924 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R929 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R930 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000087 R173 R CHIP 6 8Kohm 5 1 10W TP 1608 SA 5 2007 000087 R852 R CHIP 6 8Kohm...

Page 29: ...A 5 2007 000539 R828 R CHIP 200ohm 5 1 10W TP 1608 SA 5 2007 000539 R831 R CHIP 200ohm 5 1 10W TP 1608 SA 5 2007 000539 R834 R CHIP 200ohm 5 1 10W TP 1608 SA 5 2007 000570 R926 R CHIP 220OHM 1 1 10W DA TP 1608 SA 5 2007 000608 R737 R CHIP 240ohm 5 1 10W TP 1608 SA 5 2007 000643 R826 R CHIP 270ohm 5 1 10W TP 1608 SA 5 2007 000643 R829 R CHIP 270ohm 5 1 10W TP 1608 SA 5 2007 000643 R832 R CHIP 270oh...

Page 30: ... 80 20 25V Y5V TP 1608 SA 5 2203 000189 C808 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C810 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C817 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C818 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C819 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 000189 C820 C CER CHIP 100nF 80 20 25V Y5V TP 1608 SA 5 2203 0...

Page 31: ...01086 C727 C CER CHIP 0 005nF 0 25pF 50V NP0 TP 1608 SA 5 2203 001086 C728 C CER CHIP 0 005nF 0 25pF 50V NP0 TP 1608 SA 5 2203 001402 C614 C CER CHIP 220nF 80 20 16V Y5V TP 1608 SA 5 2203 001402 C617 C CER CHIP 220nF 80 20 16V Y5V TP 1608 SA 5 2203 001402 C618 C CER CHIP 220nF 80 20 16V Y5V TP 1608 SA 5 2203 001402 C621 C CER CHIP 220nF 80 20 16V Y5V TP 1608 SA 5 2203 001607 C206 C CER CHIP 0 22nF...

Page 32: ...5 4 SA 5 2402 000135 C835 C AL SMD 22uF 20 16V GP TP 5 3x5 3x5 4 SA 5 2402 000135 C836 C AL SMD 22uF 20 16V GP TP 5 3x5 3x5 4 SA 5 2402 000135 C935 C AL SMD 22uF 20 16V GP TP 5 3x5 3x5 4 SA 5 2402 000135 C937 C AL SMD 22uF 20 16V GP TP 5 3x5 3x5 4 SA 5 2402 000144 C834 C AL SMD 3 3UF 20 50V GP TP 4 3X4 3X5 4 SA 5 2402 000170 C101 C AL SMD 1uF 20 50V GP TP 4 3x4 3x5 4 SA 5 2402 000170 C102 C AL SMD...

Page 33: ...CTOR SMD 680uH 20 7070 SA 5 2703 001778 FT131 INDUCTOR SMD 3 3uH 20 3225 SA 5 2703 002327 L200 INDUCTOR SMD 3 9uH 5 3225 SA 5 2801 003667 X701 CRYSTAL SMD 14 31818MHz 30ppm 28 AAN 16 50ohm TP SA 5 2801 004004 X800 CRYSTAL SMD 20 25MHz 20ppm 28 AAN 13pF 25ohm TP SA 5 2901 001114 FT104 FILTER EMI SMD 25VDC 2 0ADC 100nF 3 2x1 6x1 SA 5 2901 001114 FT105 FILTER EMI SMD 25VDC 2 0ADC 100nF 3 2x1 6x1 SA 5...

Page 34: ... SNA 3 BN96 01395A CIS ASSY MISC P SHIELD TUNER VE15EO SPTE T0 5 SNA 2 BN92 01044G ASSY LABEL VE15EO SNA 3 AA68 50502A LABEL LABEL 00 CONFORMATION W P100 G CTV ITALY 170x110 BL SNA 3 BN68 00614A LABEL LABEL RATING 00 ALL SS PE T0 05 90 45 BLK POLYESTER NO SILK SNA 2 BN92 01068M ASSY BOX VC17EO SNA 3 BH68 00329D BOX LABEL BAR CODE 01 NO CE NO WT Y MPRII LABEL BARCODE MOJO 90G 90 95 WHT SNA 3 BH75 1...

Page 35: ... SWRCH18A SNA 4 AA60 00091E C F SPACER FELT FELT 100X10 BLK T0 5 SNA 4 AA60 00091K C F SPACER FELT FELT 330X10 BLK T0 35 SNA 4 AA60 00091S C F SPACER FELT 61L2 FELT 30 10 BLK T0 5 SNA 4 BN63 01315A C F COVER FRONT MIIDDLE LT17M2 ABS V0 SNA 4 BN63 01316B C F COVER FRONT BEZEL VC17EO ABS VO SNA 4 BN63 01474C C F FELT VENICE 17 FELT T0 35 20 300 SNA 4 BN64 00031A C F BADGE BRAND RB15AS AL T1 4 6 3 40...

Page 36: ...SNAER BZX84C5V1 4 8 5 4V 200MW SOT 23 TP SA 5 0403 000579 D920 DIODE ZESNAER BZX84C5V1 4 8 5 4V 200MW SOT 23 TP SA 5 0403 000579 D928 DIODE ZESNAER BZX84C5V1 4 8 5 4V 200MW SOT 23 TP SA 5 0403 000579 D950 DIODE ZESNAER BZX84C5V1 4 8 5 4V 200MW SOT 23 TP SA 5 0403 001048 D944 DIODE ZESNAER BZX84C16 15 3 17 1V 225MW SOT 23 TP SA 5 0403 001052 D603 DIODE ZESNAER RD8 2MB 7 7 8 7V 200MW SOT 23 TP SA 5 ...

Page 37: ...ITCH BA7657F SOP 24P 300MIL SISNAGL SA 5 1003 001713 IC704 IC LCD COSNATROLLER GM2221 PQFP 208P TR PLASTIC 3 3V 0to 70C SA 5 1103 000129 IC900 IC EEPROM 24C02 256x8 SOP 8P 5x4mm 4 5 5 5V 0to 70C SA 5 1103 001314 IC705 IC EEPROM 24C16 2Kx8 SOP 8P 5x4mm 2 7 5 5V 40to 85C SA 5 1103 001314 IC805 IC EEPROM 24C16 2Kx8 SOP 8P 5x4mm 2 7 5 5V 40to 85C SA 5 1201 001495 IC601 IC AUDIO AMP 7050 SOP 8P 150MIL ...

Page 38: ...0 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R727 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R728 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R729 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R752 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R753 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R770 R CHIP 100ohm 5 1 10W TP 1608 SA 5 2007 000074 R771 R CHIP 100ohm 5 1 10W TP 1608 SA 5...

Page 39: ...084 R609 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R800 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R801 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R8119 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R8120 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R855 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R914 R CHIP 4 7Kohm 5 1 10W TP 1608 SA 5 2007 000084 R924 R CHIP 4 7Kohm 5 1...

Page 40: ... 2007 000402 R733 R CHIP 150ohm 5 1 10W TP 1608 SA 5 2007 000402 R740 R CHIP 150ohm 5 1 10W TP 1608 SA 5 2007 000402 R817 R CHIP 150ohm 5 1 10W TP 1608 SA 5 2007 000402 R818 R CHIP 150ohm 5 1 10W TP 1608 SA 5 2007 000402 R819 R CHIP 150ohm 5 1 10W TP 1608 SA 5 2007 000402 R836 R CHIP 150ohm 5 1 10W TP 1608 SA 5 2007 000402 R840 R CHIP 150ohm 5 1 10W TP 1608 SA 5 2007 000402 R849 R CHIP 150ohm 5 1 ...

Page 41: ...100SNAF 80 20 25V SA5V TP 1608 SA 5 2203 000189 C203 C CER CHIP 100SNAF 80 20 25V SA5V TP 1608 SA 5 2203 000189 C217 C CER CHIP 100SNAF 80 20 25V SA5V TP 1608 SA 5 2203 000189 C607 C CER CHIP 100SNAF 80 20 25V SA5V TP 1608 SA 5 2203 000189 C609 C CER CHIP 100SNAF 80 20 25V SA5V TP 1608 SA 5 2203 000189 C615 C CER CHIP 100SNAF 80 20 25V SA5V TP 1608 SA 5 2203 000189 C620 C CER CHIP 100SNAF 80 20 25...

Page 42: ...50V C0G TP 1608 SA 5 2203 000783 C908 C CER CHIP 0 33SNAF 5 50V C0G TP 1608 SA 5 2203 000783 C911 C CER CHIP 0 33SNAF 5 50V C0G TP 1608 SA 5 2203 000783 C913 C CER CHIP 0 33SNAF 5 50V C0G TP 1608 SA 5 2203 000783 C931 C CER CHIP 0 33SNAF 5 50V C0G TP 1608 SA 5 2203 000783 C932 C CER CHIP 0 33SNAF 5 50V C0G TP 1608 SA 5 2203 000815 C902 C CER CHIP 0 033SNAF 5 50V C0G TP 1608 SA 5 2203 000815 C903 C...

Page 43: ...41 C CER CHIP 100SNAF 10 16V X7R TP 1608 SA 5 2203 005005 C742 C CER CHIP 100SNAF 10 16V X7R TP 1608 SA 5 2203 005005 C747 C CER CHIP 100SNAF 10 16V X7R TP 1608 SA 5 2203 005005 C749 C CER CHIP 100SNAF 10 16V X7R TP 1608 SA 5 2203 005005 C759 C CER CHIP 100SNAF 10 16V X7R TP 1608 SA 5 2203 005005 C760 C CER CHIP 100SNAF 10 16V X7R TP 1608 SA 5 2203 005005 C764 C CER CHIP 100SNAF 10 16V X7R TP 1608...

Page 44: ...SA 5 2402 001042 C767 C AL SMD 100uF 20 16V GP TP 6 6x6 6x5 4mm SA 5 2402 001042 C800 C AL SMD 100uF 20 16V GP TP 6 6x6 6x5 4mm SA 5 2402 001044 C184 C AL SMD 100UF 20 25V GP TP 8 3X8 3X6 3MM SA 5 2402 001044 C191 C AL SMD 100UF 20 25V GP TP 8 3X8 3X6 3MM SA 5 2402 001070 C193 C AL SMD 470uF 20 16V GP TP 10x10 2 SA 5 2402 001081 C110 C AL SMD 100uF 20 25V WT TP 8 3x8 3x10 SA 5 2402 001086 C114 C A...

Page 45: ...mA TP 70ohm 45MHz 82ohm 760MHz 0 01ohm SNA 5 3301 001145 FT200 BEAD SMD 60ohm 4516 6000mA TP 70ohm 45MHz 82ohm 760MHz 0 01ohm SNA 5 3301 001145 PAL BEAD SMD 60ohm 4516 6000mA TP 70ohm 45MHz 82ohm 760MHz 0 01ohm SNA 5 3704 000249 IC702 SOCKET IC 32P PLCC SSNA 1 27mm SA 5 3708 001763 CSNA702 COSNASNAECTOR FPC FFC PIC 50P 0 5MM SMD A SSNA SA 5 3711 002046 CSNA905 COSNASNAECTOR HEADER BOX 12P 1R 1 25M...

Page 46: ...20M2 ACRSAL CLEAR SA 4 BSNA96 00496A C F ASSSA SPEAKER P 16ohm Ares 15 Right 3W 530mm SNA 4 BSNA96 01155B C F ASSSA BOARD P FUSNACTIOSNA IR VE20UO FUSNATIOSNA IR SNA 4 BSNA96 01164A C F ASSSA SPEAKER P 16ohm VeSNAice Left 3W 150mm SNA 2 BSNA90 00656R ASSSA COVER REAR VE20EO SNA 3 6003 001310 C F C R STD SCREW TAPTITE BH B M4 L16 ZPC BLK SWRCH18A SNA 3 BSNA96 01159B C R ASSSA COVER P REAR VE20EO AB...

Page 47: ...eo sw itc h RGB HV RGB HV TDA7050 Head p ho ne Am p TDA7266D So und Am p Head p ho ne L R M27W401 EPROM IC803 IC600 IC802 IC601 IC704 IC705 IC706 Co m p o nent Y Pb Pr Main L R ADR 19 0 DATA 7 0 SCL SDA2 PM39LV020 Flash ADR 17 0 DATA 7 0 IO PORT SW_INVERTOR SW_POWER SW_LVDS VCTI_RESET PC_IDENT HP_IDENT AMP_MUTE SEL COMP PC SEL INT EXT EEPROM Fac to ry User d ata EEPROM DDC d ata SCL SDA1 I2C Fo r ...

Page 48: ...28 AP1117D 3 3 Fixed AP1117D 18A Fixed 3 3V _VCTI 1 8V _VCTI 1 8V_Stand b y _g m 2221 3 3V_Stand b y _g m 2221 _Pm 39LV020 _EEPRO FT101 Pin 2 IC100 IC108 IC109 IC110 IC104 IC112 IC111 IC105 IC102 IC111 IC900 Pin 8 FT144 Pin 2 M Po wer DC14V 600m A Po wer DC5V 990m A SI9993ADY FET SI9993ADY FET 5V_Stand b y _EEPROM DDC LM1085 3 3 Fixed o p tio n MP1410 Ad justab le 8 2 Input Power Block Diagram ...

Page 49: ...6 DEN 37 GND 38 DVS 39 DHS 40 GND 41 5V PANEL 5V PANEL 5V PANEL 5V PANEL 42 43 44 45 GND 46 GND 47 48 49 50 1 2 3 4 5 6 7 8 9 LED GRN LED RED 3 3V IR GND IDENT_HP HP L HP R 1 2 3 4 5 6 7 8 9 GND KEY 1 KEY 2 10 11 12 GND GND 13 14 CN909 GND PC_AR PC_AL PC_AL PC_AL PC_AR PC_AR 4 5 6 7 8 9 10 PC_SCL D SUB_V D SUB_H PC_SDA GND IDENT_PC DC_5V GND GND GND GND GND PC_Blue PC_Green PC_Red 1 2 3 4 5 6 7 8 ...

Page 50: ...9 Schematic Diagrams 9 2 LW17M24C LW20M21C Memo ...

Page 51: ...G 100 8 33 9 D949 DIODE SWITCHING 97 6 38 7 D950 DIODE ZENER 154 3 25 9 D951 DIODE SWITCHING 4 2 87 9 Loc No Description X Y D952 DIODE SWITCHING 3 1 83 4 D953 DIODE SWITCHING 7 3 84 2 D954 DIODE SWITCHING 3 1 79 0 D955 DIODE SWITCHING 7 3 75 4 D956 DIODE SWITCHING 3 1 73 5 D957 DIODE SWITCHING 6 9 71 1 IC100 FET SILICON 18 4 129 4 IC101 IC VOLTAGE REGULATOR 114 1 132 7 IC102 FET SILICON 23 0 138 ...

Page 52: ...10 PCB Layout 10 2 LW17M24C LW20M21C Memo ...

Page 53: ...50V MO 100nF C183 C182 C180 10nF R168 5 1K 100pF 50V 50V 10nF IC108 8 N_C C181 3 3UH EN 7 6 COMP FB 5 GND 4 3 SW 2 IN 1 BS MP1410ES R311 FT131 0 1 16W 50V 100pF C208 16V 100uF C178 100pF 50V MO B5V B5V 1 MO 1 U206 C209 1 U207 1 U208 U205 1 U209 1 U210 1 U200 1 U203 1 U201 R205 1 U202 0 1 U204 R207 16V 100uF C210 33V_T 0 BLM41P600S B 2 A 1 FT200 100 1 16W R203 1 16W 100 R204 1 16W 8 2Kohm R210 100K...

Page 54: ...11 Schematic Diagrams 11 2 LW17M24C LW20M21C 1 2 5 3 6 4 7 8 ...

Page 55: ...OUT 120 AOUT2L 121 AOUT1R 122 AOUT1L 109 IFIN 11 HFLB 110 IFIN 111 VREFIF 112 TAG C 113 AIN1R SIF 114 AIN1L 115 AIN2 R 101 XTAL1 102 VSUP1 8DIG 103 GND 104 GND VSUP3 3DI G 105 106 VSUP5 0IF 107 GNDIF 108 RESETQ IC802 1 BOUT 10 SAFETY 100 XTAL 2 C IC300 KIA7042AF RTF GND OUT VCC SGM32F1E104 2A FT113 1 2 3 C119 1 5nF 50V 25V 4 7uF C844 VSUP3 3EIO KSA1182 B C E 50V 0 56nF C816 Q803 B C E Q802 C118 10...

Page 56: ...11 Schematic Diagrams 11 4 LW17M24C LW20M21C 9 ...

Page 57: ... C719 100nF 1 100nF 16V MO T332 1 T333 1 C763 100nF TP711 R8120 C753 0 22pF A3 3 V 3 3V_AVDD 4 7K R8119 4 7K 1 16V 10uF C518 T321 1 T322 C737 100nF 9 MGND 1 MGND2 MO 16V 100nF C529 27 28 29 3 30 4 5 6 7 8 17 18 19 2 20 21 22 23 24 25 26 1 10 11 12 13 14 15 16 CN700 470 R528 100 R523 C 3 10K R738 FT701 SGM32F1E104 2A A 1 2 B 1 100nF C732 TP709 1 TP706 C739 100nF 100nF C721 R527 470 1 T359 TP214 1 M...

Page 58: ...11 Schematic Diagrams 11 6 LW17M24C LW20M21C This Document can not be used without Samsung s authorization 11 4 LW17M24C IP Board_1 Schematic Diagram ...

Page 59: ...LW17M24C LW20M21C 11 7 11 Schematic Diagrams This Document can not be used without Samsung s authorization 11 5 LW17M24C IP Board_2 Schematic Diagram ...

Page 60: ...11 Schematic Diagrams 11 8 LW17M24C LW20M21C This Document can not be used without Samsung s authorization 11 6 LW20M21C IP Board_1 Schematic Diagram ...

Page 61: ...LW17M24C LW20M21C 11 9 11 Schematic Diagrams This Document can not be used without Samsung s authorization 11 7 LW20M21C IP Board_2 Schematic Diagram ...

Page 62: ...11 Schematic Diagrams 11 10 LW17M24C LW20M21C Memo ...

Page 63: ...n City Kyungki Do Korea 443 742 Printed in Korea P N BN82 00103P 00 URL http itself sec samsung co kr This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ...

Page 64: ...www s manuals com ...

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