Samsung Lacie720 Service Manual Download Page 71

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13 Circuit Descriptions

13-1

13 Circuit Descriptions

13-1 Block description

13-2 Block operating

Feature Description

Scaler Integrate ADC and TMDS, Scaling part

DDR memory Save frame information that SCALER needed

Microcontroller
Micom control all function of monitor

Scaler

DDR

MEMORY

-.MCU recognize angle through the sensor and rotate OSD
-.Rotate screen through the Pivot soft ware

Pivot Sensor

MICOM

Flash memory save information that MICOM needed
Program update is possible through the Firmware

FLASH

MEMORY

Summary of Contents for Lacie720

Page 1: ...doption leads the time response time which is improved Auto Pivot When the monitor is rotated in 90 degree the display LED and OSD also are autimatically rotates accordingly This can be performed only when the Pivot software are running Magic Bright 2 6step used Custom Text Internet Game Sports Movie Outside Calibrator configured possibility ...

Page 2: ...out prior written permission of Samsung Electronics Co Ltd LED20BS Service Manual First edition September 2006 Printed in Korea Trademarks Samsung is the registered trademark of Samsung Electronics Co Ltd LED20BS and MacMaster Cable Adapter are trademarks of Samsung Electronics Co Ltd Macintosh Power Macintosh are trademarks of Apple Computer Inc All other trademarks are the property of their resp...

Page 3: ...Equipment 3 1 3 2 Automatic Color Adjustment 3 1 3 3 DDC EDID Data Input 3 1 3 4 OSD Adjustment When Replacing Panel 3 1 3 5 OSD Adjustment When Replacing Lamp Only 3 2 3 6 Service Function Spec 3 2 3 7 Hidden Key list 3 3 3 8 EDID Input method Windows Program 3 4 4 4 Troubleshooting 4 4 1 4 1 No Power 4 1 4 2 No Video PC Analog Signal 4 2 4 3 No Video PC Digital Signal 4 4 4 4 Main Circuit and Ea...

Page 4: ... 12 1 12 1 Main Board Part Description 12 1 12 2 Main Board Part Number 12 2 1 13 Circuit Descriptions 1 13 1 13 1 Block description 13 1 13 2 Block operating 13 1 1 14 Reference Infomation 1 14 1 14 1 Technical Terms 14 1 14 2 Connecting the Monitor 14 3 14 3 Connecting to other devices 14 4 14 4 Pin Assignments 14 5 14 5 Timing Chart 14 6 14 6 Preset Timing Modes 14 8 14 7 Panel Description 14 9...

Page 5: ...pliances and Underwriters Laboratories UL Publication UL1410 59 7 Figure 1 1 Leakage Current Test Circuit 4 With the unit completely reassembled plug the AC line cord directly into a 120V 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 screwhe...

Page 6: ...he AC source and turn the power 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 g...

Page 7: ...tting devices as a melted covering may cause fire or electric shock 3 Do not place the product in areas with poor ventilation such as a bookshelf or closet The increased internal temperature may cause fire 4 When installing the product leave enough space 10cm between the product and the wall for ventilation purposes A rise in temperature within the product may cause fire ...

Page 8: ...1 Precautions 1 4 Memo ...

Page 9: ...ently naturally is increasing The specific gravity which is adopted with the luminous element where the LED is new from like this tendency inside increases and a high color reappearance and and power it will be able to be sufficient the craving of the users who to sleep the LED in LCD Back Light applies with to express a natural color do more The LED the BackLight which it uses at the luminous uni...

Page 10: ...it will be able to express the color which is wider Color Gamut comes to be wide The possibility of seeing from gram lower part there is an expression scope of the Red and the Green case and existing storehouse color reverse CCFL of this LED Monitor Monitor compared to come to be wide and the color reverse comes to be wide it is it will be able to express the natural color which is more Also it ha...

Page 11: ...swith of sync type Level TTL level Maximum Pixel Clock rate 130 MHz Active Display Horizontal Vertical 408 H x 306 W mm AC power voltage Frequency AC 90 264 Volts 60 50 Hz 3 Hz Power Consumption 85W Max Dimensions Set W x D x H 17 5 x 9 0 x 18 0 Inches 445 0 x 228 5 x 457 2 mm State of stand installed Package 17 0 x 10 8 x 22 8 Inches 432 x 275 x 580 mm State of stand pivoted Weight Set Package 4 ...

Page 12: ...e change of Source Automatically and change the source to the active Input EDISON supports Wall mount 6 Step Custom sRGB AdobeRGB Emulation Calibration Adjust the Sharpness As EDISON has sensor IC for Pivot 1 if Brahms rotates 90 2 MCU can detect the current status through sensor IC 3 Pivot Software can make change Screen to the rotated degrees automatically Auto Auto Auto Power on off Wall mount ...

Page 13: ... Video Component Model LY20EDB LED20BS LS21DP Gamma O X Magic Tune X Magic Tune 3 6 Magic Color X X 6 Color X X Color Weakness X X USB O X Audio X 1W x 2 PBA Color Tone 4 Steps 4 Steps Warm Normal Cool Custom Warm Normal Cool Custom 6 Steps 6 Steps Magic Bright Custom Text Internet Game Game Internet Text Custom Sports Movie Sports Movie Design ...

Page 14: ...n Screen Size 20 21 Input Source Analog Digital Analog Digital AV DVI I DVI D S Video Component Model LY20EDB LED20BS LS21DP Gamma O X Magic Tune X Magic Tune 3 6 USB O X PBA 6 Steps 6 Steps Magic Bright Custom Text Internet Game Game Internet Text Custom Sports Movie Sports Movie Design ...

Page 15: ...6A BH68 00261F BN59 00577A 3903 000085 Warranty Card Not available in all locations User s Guide Monitor Driver Natural Color software Power Cord BN39 00310C BN39 00073A DVI I is Analog Input DVI D is Digital Input DVI I Cable DVI D Cable BN39 00397A USB Cable A BType Sensor Calibrater Sensor Cradle BN96 04382A ...

Page 16: ...Memo 2 Product Specifications 2 8 ...

Page 17: ...function 3 3 DDC EDID Data Input 1 After exchange the Main Board We use the DDC control JIG and must complete downloading Connecting is refer to below picture 2 Receive Download the proper DDC file for the model from HQ SAMSUNG in Suwon quality control department Install the below jig Figure 1 and enter the data 3 4 OSD Adjustment When Replacing Panel 1 Set the Brightness and Contrast to zero and ...

Page 18: ...tem that you want and press the Enter button 3 5 OSD Adjustment When Replacing Lamp Only 1 Set the Brightness and Contrast to zero and push the MENU button more than 5 seconds The Function OSD is displayed like Figure 2 2 Select the Panel Information 3 Select the upper lamp lower lamp Note Please perform Automatic Color Adjustment when replacing the panel main board Figure 2 The example of Service...

Page 19: ...djustment is added 1 Auto Auto 2 PicelShift 3 Country Monitor Panel On Time Operating Total Time M ED20B0Caa 0805 MCU firmware version infotmation This information must be appended due to a compatibility problem report Move to the key select the enter key 1 Auto Auto 2 PicelShift 3 Country Worldwide Korean Chinese Japanese 4 Checksum MCU firmware Checksum infotmation This information must be appen...

Page 20: ... EDID you have to unLocking the MCU Figure 3 stage of EDID unlock function EDID Unlocking Method 1 Setup Service Jig Program service exe to your PC 2 Cilck the service icon 3 Extra 1 Click 4 Screen change 5 Click EEPROM WRITE button 6 Click RUN button 7 Error Message window s OK Message confirm ...

Page 21: ...inDDC exe 2 Click Sys Config Select Station Write station Check Serial No and Week Don t change Click Save 3 Click Open icon Select Connected Port 1 and Next OK File Name SM215TWA DDC SM215TWD DDC Press enter key on your keyboard 4 Confirm the DDC OK 3 8 2 EDID Input method ...

Page 22: ...3 Alignments and Adjustments 3 6 Memo ...

Page 23: ...er cord is correctly connected 3 Check the following circuits No raster appears Function PBA Main PBA SMPS Board 5V develop but no screen Main PBA 24V 5V does not develop SMPS Board Main PBA 4 1 No Power Does proper DC 24V appear at Pin 1 2 3 of CN601 Check SMPS Board and Panel Cable Check Function ass y Yes No Does the LEDDRV_EN signal appear at Pin 12 of CN603 Check MAIN MCU No Yes Replace SMPS ...

Page 24: ...rt Yes No Is there Hsync Vsync waveform at R115 R112 Check input part No Yes Is there Hsync Vsync waveform at Pin 40 41 of IC202 Check IC202 and related circuit No Yes Dose proper DC 5V appear at Pin 2 of IC602 Check Panel Cable No Yes Does the output signal appear at Pin 8 13 15 16 18 23 25 30 of CN602 Check IC202 IC602 CN4003 and related circuit No Yes Replace LCD Panel Perform Automatic Color A...

Page 25: ...4 Troubleshooting 4 3 WAVEFORMS Figure 1 PC Analog signal Waveforms ...

Page 26: ...ata RA1 1 3 5 7 PIN and RA2 1 3 PIN Check input part Yes No Is there waveform at RA2 5 7 PIN Check input part No Yes Is there R G B input at RA1 1 3 5 7 PIN and RA2 1 3 PIN Check input part No Yes Does the output signal appear at Pin 8 13 15 16 18 23 and 25 30 of CN4003 Check IC202 IC602 CN4003 and related circuit No Yes Replace LCD Panel Perform Automatic Color Adjustment 7 6 5 4 ...

Page 27: ...4 Troubleshooting 4 5 WAVEFORMS Figure 2 PC Digital Signal Waveforms ...

Page 28: ...4 Troubleshooting 4 6 4 4 Main Circuit and Each Part Number Figure 3 Main Circuit ...

Page 29: ...5 1 5 Exploded View Part List 5 Exploded View Part List 5 1 LY20EDEEB EDC Exploded View T0003 M0215 M0014 M0006 M0002 M0003 T0159 M0175 M0521 ...

Page 30: ... BK26 1 S N A M0006 BN96 04179A ASSY SHIELD P COVER EDISON 20 SECC T0 8 1 S N A M0014 BN94 01988G ASSY PCB MAIN AMZ LASIC FRANCE LS20EDEEB 1 S A M0175 BN31 00013A FAN CPU MCF TS6012M05 1 TRINIDAD 1 S A M0215 BN07 00332A LCD PANEL M201UN03 1 S A M0521 BN96 04223A ASSY BOARD P USB BOARD EDISON 20 SJ06 0 1 S A T0003 BN96 04178D ASSY COVER P FRONT LS20ED LACIE ABS HB 1 S A T0159 BN96 04034A ASSY PCB P...

Page 31: ...LD LS20EDBEB XAA 1 S N A 2 T0279 BN63 02808A COVER JACK XL20 HIPS T2 0 HB BK24 1 S N A 2 M0521 BN96 04223A ASSY BOARD P USB BOARD EDISON 20 SJ06 0 1 S A 2 SH USB SH 6003 000282 SCREW TAPTYPE BH B M3 L8 ZPC BLK SW 1 S N A 2 M2893 BH39 00362G LEAD CONNECTOR SONOMA UL1007 26 5PI N 100 1 S A 2 M2893 BN39 00795A LEAD CONNECTOR EDISON20 XL20 UL1007 2 1 S A 0 1 M0017 BN91 02421U ASSY CHASSIS AMZ LASIC FR...

Page 32: ... 1 S A 4 D108 0401 001056 DIODE SWITCHING MMBD4148SE 100V 200m A SO 1 S A 4 D109 0401 001056 DIODE SWITCHING MMBD4148SE 100V 200m A SO 1 S A 4 D110 0401 001056 DIODE SWITCHING MMBD4148SE 100V 200m A SO 1 S A 4 D111 0401 001056 DIODE SWITCHING MMBD4148SE 100V 200m A SO 1 S A 4 D112 0401 001056 DIODE SWITCHING MMBD4148SE 100V 200m A SO 1 S A 4 D113 0401 001056 DIODE SWITCHING MMBD4148SE 100V 200m A ...

Page 33: ... 323 TP 1 S N A 4 ZD109 0403 001411 DIODE ZENER 5 49 5 73V 200mW SOD 323 TP 1 S N A 4 ZD110 0403 001411 DIODE ZENER 5 49 5 73V 200mW SOD 323 TP 1 S N A 4 ZD3002 0403 001411 DIODE ZENER 5 49 5 73V 200mW SOD 323 TP 1 S N A 4 ZD3004 0403 001411 DIODE ZENER 5 49 5 73V 200mW SOD 323 TP 1 S N A 4 ZD101 0406 001061 DIODE TVS MMQA5V6T3 5 32 5 6 5 88V 24W S 1 S A 4 ZD111 0406 001061 DIODE TVS MMQA5V6T3 5 3...

Page 34: ...2843 IC DC DC CONVERTER AP1501 50K5A TO 263 5 1 S A 4 T0087 1203 003121 IC POSI FIXED REG FAN1112 SOT 223 3P 6 1 S N A 4 T0087 1203 003121 IC POSI FIXED REG FAN1112 SOT 223 3P 6 1 S N A 4 T0087 1203 003561 IC POSI FIXED REG NCP551SN15T1G TSOP 5 1 S A 4 IC109 1205 002823 IC LCD CONTROLLER MST6281LA LF 165 1 LQF 1 S A 4 R222 2007 000040 R CHIP 150ohm 1 1 10W TP 1608 1 S N A 4 R225 2007 000043 R CHIP...

Page 35: ...1 S A 4 R3035 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R3039 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R3042 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R3044 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R3046 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R3049 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R3052 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 ...

Page 36: ... 1 S A 4 R3006 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R3012 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R3014 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R3015 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R3016 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R3017 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R3070 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 ...

Page 37: ...2007 000116 R CHIP 120ohm 5 1 10W TP 1608 1 S N A 4 R4063 2007 000116 R CHIP 120ohm 5 1 10W TP 1608 1 S N A 4 R4067 2007 000116 R CHIP 120ohm 5 1 10W TP 1608 1 S N A 4 R4071 2007 000116 R CHIP 120ohm 5 1 10W TP 1608 1 S N A 4 R4073 2007 000116 R CHIP 120ohm 5 1 10W TP 1608 1 S N A 4 R4077 2007 000116 R CHIP 120ohm 5 1 10W TP 1608 1 S N A 4 R4079 2007 000116 R CHIP 120ohm 5 1 10W TP 1608 1 S N A 4 ...

Page 38: ...4 R4003 2007 000450 R CHIP 180ohm 5 1 10W TP 1608 1 S N A 4 R4021 2007 000450 R CHIP 180ohm 5 1 10W TP 1608 1 S N A 4 R4026 2007 000450 R CHIP 180ohm 5 1 10W TP 1608 1 S N A 4 R4029 2007 000450 R CHIP 180ohm 5 1 10W TP 1608 1 S N A 4 R4035 2007 000450 R CHIP 180ohm 5 1 10W TP 1608 1 S N A 4 R4064 2007 000450 R CHIP 180ohm 5 1 10W TP 1608 1 S N A 4 R4072 2007 000450 R CHIP 180ohm 5 1 10W TP 1608 1 ...

Page 39: ...RA208 2011 001193 R NETWORK 68ohm 5 1 16W L CHIP 8P TP 3 1 S A 4 RA209 2011 001193 R NETWORK 68ohm 5 1 16W L CHIP 8P TP 3 1 S A 4 RA210 2011 001193 R NETWORK 68ohm 5 1 16W L CHIP 8P TP 3 1 S A 4 RA211 2011 001193 R NETWORK 68ohm 5 1 16W L CHIP 8P TP 3 1 S A 4 C101 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 1608 1 S N A 4 C102 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 1608 1 S N A 4 C103 2203 0001...

Page 40: ...2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4027 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4028 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4029 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4030 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4031 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4032 2203 000257 C CER CHIP 10nF 10 50V...

Page 41: ... 10 50V X7R TP 1608 1 S A 4 C4120 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4121 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4122 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4123 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4124 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4125 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C4126 ...

Page 42: ... A 4 C202 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C203 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C204 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C205 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C206 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C207 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C208 2203 005005 C CER CHIP 100nF 10 16V X7R 16...

Page 43: ... S A 4 C6011 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C6012 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C6013 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C6020 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C6022 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C6024 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C6025 2203 005005 C CER CHIP 100nF 10 1...

Page 44: ...005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C3007 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S N A 4 C4001 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S N A 4 C4004 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S N A 4 C4009 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S N A 4 C4012 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S N A 4 C6031 2203 005249 C CER CHIP 1...

Page 45: ...47uF 20 6 3V FX TP 5X5 9mm 1 S A 4 C3015 2409 001049 C ORGANIC 47uF 20 6 3V FX TP 5X5 9mm 1 S A 4 C6001 2409 001049 C ORGANIC 47uF 20 6 3V FX TP 5X5 9mm 1 S A 4 C6002 2409 001049 C ORGANIC 47uF 20 6 3V FX TP 5X5 9mm 1 S A 4 C6016 2409 001049 C ORGANIC 47uF 20 6 3V FX TP 5X5 9mm 1 S A 4 C6017 2409 001049 C ORGANIC 47uF 20 6 3V FX TP 5X5 9mm 1 S A 4 C6030 2409 001049 C ORGANIC 47uF 20 6 3V FX TP 5X5...

Page 46: ...hm 45MHz 82ohm 1 S N A 4 T0568 3301 001148 BEAD SMD 60ohm 1608 TP 1 S N A 4 T0568 3301 001148 BEAD SMD 60ohm 1608 TP 1 S N A 4 T0568 3301 001148 BEAD SMD 60ohm 1608 TP 1 S N A 4 T0568 3301 001148 BEAD SMD 60ohm 1608 TP 1 S N A 4 T0568 3301 001148 BEAD SMD 60ohm 1608 TP 1 S N A 4 T0568 3301 001148 BEAD SMD 60ohm 1608 TP 1 S N A 4 T0568 3301 001148 BEAD SMD 60ohm 1608 TP 1 S N A 4 T0568 3301 001148 ...

Page 47: ...02 001216 C AL SMD 470uF 20 16V WT TP 10 3x10 3x1 1 S A 4 C6088 2402 001216 C AL SMD 470uF 20 16V WT TP 10 3x10 3x1 1 S A 4 R6023 2007 000987 R CHIP 5 6ohm 5 1 10W TP 1608 1 S A 4 SUB05 0202 001477 SOLDER CREAM LST309 M D20 45um 96 5Sn 3A 0 223 S N A 4 IC6012 1202 000104 IC VOLTAGE COMP 393 SOP 8P 150MIL DU AL 1 S A 4 C110 2203 000888 C CER CHIP 4 7nF 10 50V X7R TP 1608 1 S A 4 C111 2203 000888 C ...

Page 48: ...SSY ACCESSORY LS20EDEEB LAC 1 S A 3 T0524 6902 000110 BAG PE LDPE T0 05 W250 L400 TRP 28 2 9 1 S N A 3 T0725 BN39 00397A CBF INTERFACE USB 1703FP 4P 4P 2725 USB 1 S A 3 M0215 BN96 08211A ASSY MANUAL P IB QSG XL20 LaCie BN59 007 1 S N A 4 BN59 00759A S W DRIVER 00 IB XL20 WW LaCie 1 S N A 4 BN68 01621A MANUAL FLYER QSG XL20 LaCie Mojo 80g 210 1 S N A 3 BN68 01621B MANUAL FLYER QSG XL24 LaCie Mojo 8...

Page 49: ...7 Block Diagrams 7 1 7 Block Diagram This Document can not be used without Samsung s authorization 7 1 Main Circuit Figure 1 Main Board Block Diagram ...

Page 50: ...7 Block Diagrams 7 2 7 2 Power Board Figure 2 Power Board Block Diagram ...

Page 51: ...8 Wiring Diagram 8 1 8 Wiring Diagram ...

Page 52: ...8 Wiring Diagram 8 2 Memo ...

Page 53: ...9 Schematic Diagrams 9 1 9 Schematic Diagrams This Document can not be used without Samsung s authorization ...

Page 54: ...9 Schematic Diagrams 9 2 This Document can not be used without Samsung s authorization ...

Page 55: ...9 Schematic Diagrams 9 3 This Document can not be used without Samsung s authorization ...

Page 56: ...9 Schematic Diagrams 9 4 This Document can not be used without Samsung s authorization ...

Page 57: ...9 Schematic Diagrams 9 5 This Document can not be used without Samsung s authorization ...

Page 58: ...Memo 9 Schematic Diagrams 9 6 ...

Page 59: ... configured values may not be comfortable to your eyes depending on your taste If this is the case adjust the brightness and con trast by using the OSD menu 2 2 Text For documentations or works involving heavy text 3 3 Internet For working with a mixture of images such as text and graphics 4 4 Game For watching motion pictures such as a game 5 5 Sports For watching motion pictures such as a sport ...

Page 60: ...n is pressed the Auto Adjustment screen appears as shown in the ani mated screen on the center Press to self adjust to the incoming Analog signal The values of fine coarse and position are adjusted automatical ly 6 6 MENU button Opens the OSD menu Also use to exit the OSD menu or return to the pre vious menu 7 7 Power button Use this button for turn the monitor on and off P Power indicator This wi...

Page 61: ...gton lock is a device used to physically fix the sys tem when using it in a public place The Locking device has to be purchased separately For using a locking device contact where you purchase it 5 USB Port UP USB upstream port Connect the UP port of the monitor and the USB port of the computer with the USB cable DOWN USB downstream port Connect the DOWN port of the USB monitor and a USB device wi...

Page 62: ...ing the Stand 10 3 1 Removing the base 1 Turn off your monitor and unplug its power cord 2 Lay the LCD monitor face down on a flat surface with a cushion beneath it to protect the screen 3 Remove four screws A and then remove the Stand from the LCD monitor ...

Page 63: ...rn off your monitor and unplug its power cord 2 Lay the LCD monitor face down on a flat surface with a cushion beneath it to protect the screen 3 Remove four screws and then remove the stand from the LCD monitor 4 Align the mounting interface Pad with the holes in the rear cover mounting pad and secure it with four screws that came with the arm type base wall mount hanger or other base ...

Page 64: ...10 Operating Instructions and Installation 10 6 Memo ...

Page 65: ...or the LED20BS TFT LCD monitors WARNING This monitor contains electrostatically sensitive devices Use caution when handling these components 11 1 Disassembly Cautions 1 Disassembly stand on the flat desk 2 Disconnect the monitor from the power source before disassembly Description Picture Description 1 To take out the two screws for the stand disconnect ...

Page 66: ...e out 3 screws on rear cabinet Use the Jig and Separate Cover Rear 3 Separate 1 screw on USB shield cover 4 Separate USB shield cover Separate Function PCB wire from main board Separate other wires from main board Separate 2 wire form Panel Separate FAN wire form main board ...

Page 67: ...11 Disassembly and Reassembly 11 3 Description Picture Description 5 Separate LVDS cable form the Panel 6 Separate the 3 crews from the PBA Board ...

Page 68: ...11 Disassembly and Reassembly 11 4 11 2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures ...

Page 69: ...12 PCB Daigram 12 1 12 PCB Diagram 12 1 Main Board Part Description ...

Page 70: ...12 PCB Diagram 12 2 12 2 Main Board Part Number ...

Page 71: ...rt DDR memory Save frame information that SCALER needed Microcontroller Micom control all function of monitor Scaler DDR MEMORY MCU recognize angle through the sensor and rotate OSD Rotate screen through the Pivot soft ware Pivot Sensor MICOM 1 2 3 Flash memory save information that MICOM needed Program update is possible through the Firmware FLASH MEMORY 4 5 ...

Page 72: ...13 Circuit Descriptions 13 2 Memo ...

Page 73: ...l be able to express the color which is wider Color Gamut comes to be wide The possibility of seeing from gram lower part there is an expression scope of the Red and the Green case and existing storehouse color reverse CCFL of this LED Monitor Monitor compared to come to be wide and the color reverse comes to be wide it is it will be able to express the natural color which is more Also it has the ...

Page 74: ... monitor is composed of red green and blue dots The closer the dots the higher the resolution The distance between two dots of the same color is called the Dot Pitch Unit mm Vertical Frequency The screen must be redrawn several times per second in order to create and display an image for the user The frequency of this repetition per sec ond is called Vertical Frequency or Refresh Rate Unit Hz Exam...

Page 75: ...d Connect the DVI Cable to the DVI Port on the back of your Monitor 2 2 Connected to a Macintosh Connect the monitor to the Macintosh computer using the DVI connection cable 2 3 In the case of an old model Macintosh you need to connect the monitor using a special Mac adapter 3 Turn on your computer and monitor If your monitor displays an image installation is complete Rear of Monitor Rear of Compu...

Page 76: ...m port Connect the DOWN port of the USB monitor and a USB device with the USB cable Caution To use DOWN Downstream Port you have to connect the UP Upstream Cable to the PC Make sure to use the USB cable supplied with this monitor to connect the monitor s UP port and your com puter s USB port USB Cable A B Type cable This monitor will use the USB and it will be able to use the USB device ...

Page 77: ...n Sync Type Pin No 24P DVI D 14 4 Pin Assignments 5V_M Rx0 Rx0 No Connection No Connection No Connection No Connection RxC RxC Analog Red Analog Green Analog Blue Analog Horizontal sync Analog Ground Analog R G B return 16 17 18 19 20 21 22 23 24 C1 C2 C3 C4 C5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Rx2 Rx2 GND No Connection No Connection DDC Clock SCL DDC Data SDA No Connection Rx1 Rx1 No Connection...

Page 78: ... 26 058 0 318 59 940 16 683 0 064 0 794 15 761 0 064 26 175 Negative Negative Separate 37 500 26 667 2 032 3 810 20 317 0 508 75 000 13 333 0 080 0 427 12 800 0 027 31 500 Negative Negative Separate 37 879 26 400 3 200 2 200 20 000 0 000 60 317 16 579 0 106 0 607 15 840 0 0261 40 000 Positive Positive Separate 46 875 21 333 1 616 3 232 16 162 0 323 75 000 13 333 0 064 0 448 12 800 0 021 49 500 Pos...

Page 79: ...mposite Sync Sync on Green 79 975 12 504 1 067 1 837 9 481 0 119 75 025 13 329 0 038 0 475 12 804 0 013 135 000 Positive Positive Separate 1280 75 Hz 1280x1024 75 000 13 333 1 185 1 877 9 877 0 395 60 000 16 667 0 040 0 613 16 000 0 013 162 000 Positive 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 ...

Page 80: ... the signal transferred from the computer is the same as the following Preset Timing Modes the screen will be adjusted automatically However if the signal differs the screen may go blank while the power LED is on Refer to the video card manual and adjust the screen as follows Table 14 3 Preset Timing Horizontal Frequency The time to scan one line connecting the right edge to the left edge of the s...

Page 81: ... PVA PANEL SEC LTM240W1 L02 BN07 00062A EH Panel for 15 Wide TV SEC LTM170EU L01 BN07 00071A EJ Slim design TN SEC LTM170E5 L04 BN07 00072A EK E5 L04 6 bits FRC for IBM SEC LTA220W1 L01 BN07 00074A EL Panel for 22 TV SEC LTM170E6 L02 BN07 00075A EM AMLCD Narrow slim design 17 PVAmode SEC LTM170W1 L01 BN07 00082A EN LTM170W1 L01 ZPD panel SEC LTM170EH L01 BN07 00080A EP LTM170EH L01 ZPD panel SEC L...

Page 82: ...0A E23 creat new panel code for AMLCD 17 Panel only for TCO03 SEC LTM240W1 L03 BN07 00134B E24 24 panel ZPD code derivation SEC LTM190E4 L01 BN07 00145B E25 AMLCD 19 ZPD Panel code derivation SEC LTM240W1 L03 BN07 00134B E26 24 panel ZPD code derivation SEC LTM150XO L01 BN07 00164A E27 AMLCD 15 XO L01 new panel development SEC LTM150XO L01 BN07 00164B E28 AMLCD 15 XO L01 ZPD code derivation SEC LT...

Page 83: ...nel for 15 TV TORISAN TM150XG 26L10 BN07 00089A RH L10 change except D IC ZPD TORISAN TM150XG 26L10 BN07 00090A RJ L10 NORMAL TORISAN TM190SX 70N01 BN07 00098A RK Torisan 19 Panel TORISAN TM181SX 76N01 BN07 00106A RL ZPD Panel code TORISAN TM190SX 70N01 BN07 00107A RM ZPD Panel code TORISAN TM290WX 71N31 BN07 00115A RN Color Coordinates change panel for TORISAN 29 TV TORISAN TM396WX 71N31 BN07 001...

Page 84: ... ATZ AU Monitor 17 ZPD code Derivation ACER T315XW01 BN07 00194A AMZ AU 32 new ACER M170EG01 BN07 00192A ATH AU TN PSWG type new Panel code ACER M170EG01 BN07 00192B ATZ AU TN PSWG type NEW panel code derivation CHIMEI M170E3 LO1 BN07 00050A CA TN PANEL CHIMEI M150X3 L01 BN07 00051A CB COMPATIBLE CHIMEI M170E4 L01 BN07 00052A CC MVA PANEL CHIMEI M150X2 L01 BN07 00066A CD CHIME 15 I PVA PANEL CHIME...

Page 85: ... City Gyeonggi Do Korea 443 742 Printed in Korea P N BN82 00172A 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 ...

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