Samsung 943N - SyncMaster - 19" LCD Monitor Service Manual Download Page 1

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LCD-Monitor

Chassis : LS17MYA / LS17MYB

LS19MYA / LS19MYB

Model

: 743N / 743B

743NX

943N / 943B

SERVICE

Manual

TFT-LCD Monitor

Contens

Refer to the service manual in the GSPN (see the rear cover) for the more information.

743N / 743B / 943N / 943B

1. Precautions

2. Product specifications

3. Disassembly and Reassemble

4. Troubleshooting

5. Exploded View & Part List

6. Wiring Diagram

7. Schematic Diagram

Summary of Contents for 943N - SyncMaster - 19" LCD Monitor

Page 1: ...VICE Manual TFT LCD Monitor Contens Refer to the service manual in the GSPN see the rear cover for the more information 743N 743B 943N 943B 1 Precautions 2 Product specifications 3 Disassembly and Reassemble 4 Troubleshooting 5 Exploded View Part List 6 Wiring Diagram 7 Schematic Diagram ...

Page 2: ...n On 4 2 4 3 When the screen is blank Analog 4 4 4 4 When a blank screen is displayed Digital 743B 943B only 4 7 4 5 Faults and Corrective Actions 4 10 4 6 Adjustment 4 11 5 Exploded View Part List 5 1 5 1 SIMPLE STAND Exploded View 5 1 5 2 SIMPLE STAND Parts List 5 3 5 3 HAS STAND Exploded View 5 8 5 4 HAS STAND Parts List 5 10 6 Wiring Diagram 6 1 6 1 Wiring Diagram Main Board 6 1 6 2 Wiring Dia...

Page 3: ...urope samsungportal com China http china samsungportal com Asia http asia samsungportal com Mideast Africa http mea samsungportal com 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 2007 Samsung Electronics Co Ltd All rights reserved Printed in Korea P N BN82 00294A 00 ...

Page 4: ... y y y y 01 2345 678 945 678 45 678 y 945 678 y 45 678 ABCDEFGH I J K L MNO PQRS ...

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Page 15: ... P P P P BCkÃÄCg òKkJ K L DE 23 îÅ DE23 óô Æ 6 u ANO A õö ø òù úû üÊ ýk DE 23y þ7 DE 23ÿ 6u Á8üÊk ýk O O O O AFG v gY ...

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Page 18: ... Ö Ö Ö Ö o Ó 0 1 2 3456 Û Ð ê8 æ È A Ö ...

Page 19: ... A NOèé èélý È Ø ...

Page 20: ... 0123 456789 45 A BC DEFGH IJK LM FNAODGF P QR S P MTUV WX YZ 7 TU 9_ abc def ghijkl mn LM V o pqrs tu vw xy z w1 xy z mn uz ...

Page 21: ... 9 123 45 ie e z w1 w1 L ...

Page 22: ... V zG ...

Page 23: ... TU F fg7i A DEFGH IJK LM FNAODGF tuQ R M fgVTU 0 mn tu 0 TU L 0TU D TU P UX A TU r _ ...

Page 24: ...5 1 5 Exploded View Part List 5 Exploded View Part List 5 1 SIMPLE STAND Exploded View T0003 M0215 M0081 T0514 M0081 M0174 M0006 M0013 M0003 M0027 CIS4 ...

Page 25: ...ZPC BLK SWRC 2 S A M0081 6003 000115 SCREW TAPTITE BH B M3 L6 ZPC BLK SWRC 1 S A M0081 6003 001439 SCREW TAPTITE BH S M4 L8 ZPC WHT SW 1 S N A T0514 BN61 03557A BRACKET SUPPORT 2043BW NW Mckinley SPTE 1 S N A M0006 BN96 06433E ASSY SHIELD P COVER LS17MY SECC T0 8 ANA 1 S N A 9 BN63 03986A SHIELD LAMP 743B N SPTE T0 3 1 S N A M0013 BN96 06482C ASSY COVER P REAR LS17MY HIPS HB AM BK2 1 S A M0003 BN9...

Page 26: ... B M3 L6 ZPC BLK SWRC 1 S A 2 M0081 6003 001439 SCREW TAPTITE BH S M4 L8 ZPC WHT SW 1 S N A 2 M0174 BN44 00124M IP BOARD IP 35155A MC MCKINLEY 943B 3 2 1 S A 2 T0514 BN61 03557A BRACKET SUPPORT 2043BW NW Mckinley SPTE 1 S N A 2 M0014 BN94 01576D ASSY PCB MAIN STZ W W LS17MYA 1 S N A 3 T0245 0202 001608 SOLDER WIRE FLUX LFC7 107 D0 8 99 3Sn 0 0 003 S N A 3 CN101 3701 001219 CONNECTOR DSUB 15P 3R FE...

Page 27: ... CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000080 R CHIP 2Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000080 R CHIP 2Kohm 5 1 ...

Page 28: ...V C0G 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF...

Page 29: ...0877A PCB MAIN Mckinley CEM 3 Silver 2 MP1 0 1 1 S N A 4 MICOM BN97 01899J ASSY MICOM STZ W W LS17MYA 1 S N A 5 IC115 1107 001614 IC FLASH MEMORY MX25L1005 1Mbit 1Mx1Bit 1 S N A 4 R110 2007 000124 R CHIP 2 2Kohm 5 1 10W TP 1608 1 S A 4 C120 2203 000888 C CER CHIP 4 7nF 10 50V X7R 1608 1 S A 4 C120 2203 000888 C CER CHIP 4 7nF 10 50V X7R 1608 1 S A 4 C120 2203 000888 C CER CHIP 4 7nF 10 50V X7R 160...

Page 30: ...L400 TRP 28 2 1 S N A 3 CIS4 BN61 01717A HOLDER STAND BIZET NI PLT CH M4 L11 5 1 S A 3 CCM1 BN63 02183K COVER SHEET Rhcm PE Vinyl T 0 05 250MM 2 0 25 S N A 3 T0004 BN63 04210A COVER STAND BASE 943BW 743B 743BM ABS HB 1 S N A 3 BN96 06529A ASSY HOLDER P WIRE MCKINLEY ABS HB BK26 1 S N A 4 6902 000336 BAG ZIPPER LDPE T0 05 W70 L80 TRP 1 S N A 4 M0114 BN61 03555A HOLDER WIRE MCKINLEY ABS HB BK26 1 S ...

Page 31: ...onal Standards Institute ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL Publication UL1410 59 7 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...

Page 32: ...trument s ground lead last 1 3 Static Electricity Precautions Some semiconductor solid state devices can be easily damaged by static electricity Such components are commonly called Electrostatically Sensitive Devices ESD Examples of typical ESD are integrated circuits and some field effect transistors The following techniques will reduce the incidence of component damage caused by static electrici...

Page 33: ...om being exposed to moisture Otherwise it may cause a fire or electric shock Make sure to turn the power off and unplug the power cord from the outlet before repositioning the product Also check the antenna cable or the external connectors if they are fully unplugged Damage to the cord may cause fire or electric shock Keep the antenna far away from any high voltage cables and install it firmly Con...

Page 34: ...1 4 1 Precautions Memo ...

Page 35: ...imum resolution Horizontal 1280 Pixels Vertical 1024 Pixels Input Signal 743N 943N Analog 743B 943B Analog DVI Input Sync Signal Seperate H V sync Composite H V Sync on Green Level TTL level Maximum Pixel Clock rate 135 Mhz Active Display Horizontal Vertical 17 337 92 H x 270 336 V 19 376 32 H x 301 056 V AC power voltage Frequency AC 110V 130V 60Hz AC 200V 240V 50Hz Power Consumption 743N 743B 34...

Page 36: ...PLE STAND 3 8 kg 4 95 kg HAS STAND 4 85 kg 6 5 kg Environmental Considerations Operating Temperature 10 C 50 C 50 F 122 F Operating Humidity 10 90 Operating Temperature 20 C 45 C 4 F 113 F Operating Humidity 5 90 Note Designs and specifications are subject to change without prior notice ...

Page 37: ...0 1 19 1000 1 Dynamic contrast 8000 1 700 1 MagicBright 7 step 7 step Feature Magic Color Color Effect Magic Bright3 Magic Tune Premium Magic Color Magic Bright3 Magic Tune Premium Color Effect Grey scale Images are displayed in a grey tone on the screen Green Images are displayed in a green tone on the screen Aqua Images are displayed in a blue tone on the screen Sepia Images are displayed in a b...

Page 38: ... center Warranty Card Not available in all locations BH68 00633B User s Guide Monitor Driver Natural Color Pro Software BN59 00585A D Sub 15 Pin Cable BN39 00244G Power Cord 743N 943N 3903 000042 743B 943B 2 4 Accessories Sold separately Product Description Ccde No Remark DVI Cable 743B 943B BN39 00246K Samsung Electronics Service center ...

Page 39: ...e integrated into one chip 743N 943N SE717M LF Flash Memory IC201 Stores the MCU program embedded in the scaler It is of a flash type and rewritable MX25L1005 IC203 Stores the OSD and various timing values 24C08 IC202 The memory to which DIGITAL DDC data is input 24C02 Regulator An IC that receives DC voltage inputs It is used in circuits that stabilize the DC voltage NCP117DT18T5G APL1117 33VC ...

Page 40: ...ted into one chip 743B 943B SE756M LF Flash Memory IC201 Stores the MCU program embedded in the scaler It is of a flash type and rewritable MX25L1005 IC203 Stores the OSD and various timing values 24C08 IC202 The memory to which DIGITAL DDC data is input 24C02 Regulator An IC that receives DC voltage inputs It is used in circuits that stabilize the DC voltage NCP117DT18T5G APL1117 33VC ...

Page 41: ...7 3 7 Schematic Diagram 7 2 743N 943N Schematic Diagrams Scaler Part SE717M LF 7 2 1 743B 943B Schematic Diagrams Scaler Part ...

Page 42: ...7 4 7 Schematic Diagram 7 3 Schematic Diagrams Power Flowchart ...

Page 43: ...7 5 7 Schematic Diagram 7 4 Schematic Diagrams IP Board SMPS Part ...

Page 44: ...7 6 7 Schematic Diagram Inverter Part ...

Page 45: ... 5V_IP CHK_DVI EDID_PROTECT AGND BL_ADJ_PWM 5V_EDID AGND CHK_DSUB 14V 16V 100UF 16V 100UF 16V 100UF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF RED 100NF 100NF 100NF BLU 100NF BLU 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100N...

Page 46: ...7 4 7 Schematic Diagrams Memo ...

Page 47: ...6 1 6 Wiring Diagram 6 Wiring Diagram 6 1 Wiring Diagram Main Board Lamp wire for Panel LVDS for Panel DVI Input VGA Input ...

Page 48: ...iring Diagram IP Board RGB Connector PConnect to PC DVI Connector Connect to PC LVDS Connector Connect to Panel EEPROM 3711 003847 3708 001150 3701 001173 3701 001219 IP board Flash memory Function Connector Connect to IP Board ...

Page 49: ...its the input power of 90 to 263V to the power board When a problem occurs The No Power error may occur CN102 IP BOARD Connects the function board When a problem occurs The No LED screen and Function failure errors may occur CN101 VGA signal input termina When a problem occurs The No RGB output error may occur CN400 Transmits the LVDS signals from the main board to the panel When a problem occurs ...

Page 50: ...6 4 6 Wiring Diagram Memo ...

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