background image

LCD-Monitor

Chassis  : LPT19DS / LPT20DS /

LPT22DS / LPT23DS/

LPT24DS / LPT24AS

Model 

: B1930HD / B2030HD /

B2230HD / B2330HD /

B2430HD(EU) /  

B2430HD(Australia)

SERVICE

Manual

TFT-LCD Monitor

Contents

B1930HD / B2030HD / B2230HD /  

B2330HD / B2430HD

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

1. Precautions

2. Product specification

s

3. Disassembly and Reassemble

4. Troubleshooting

5. Exploded View & Part List

6. Wiring Diagram

Summary of Contents for SyncMaster B1930HD

Page 1: ...EU B2430HD Australia SERVICE Manual TFT LCD Monitor Contents B1930HD B2030HD B2230HD B2330HD B2430HD Refer to the service manual in the GSPN see the rear cover for the more information 1 Precautions 2...

Page 2: ...MI No Screen 4 8 4 5 Faults and Corrective Actions 4 11 4 6 Adjustment 4 12 4 7 How to Access Service Mode 4 12 4 8 White Balance Calibration 4 14 4 9 White Ratio Balance Adjustment 4 15 4 10 Servicin...

Page 3: ...rope 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...

Page 4: ...cess 2 When disassembling the monitor do not use any metal tools except for the provided jig 3 Remove the signal cable and the power cord before beginning the disassembly Description Photo Screws 1 Re...

Page 5: ...3 2 3 Disassembly and Assembly Description Photo Screws 3 Turn the monitor over again...

Page 6: ...4 Turn the monitor over again to remove the back cover 5 After disassembling the Rear Cover prepare for the internal disassembly as shown in the picture on the right LAMP WIRE LVDS Screws Function Spe...

Page 7: ...ion Photo Screws 8 Remove the Function SPK wires 9 Remove the SPK upwards 10 Remove the Assy Shield Cover Disassemble the PCB inside the Assy 11 Disassemble the panel Reassembly procedures are in the...

Page 8: ...16ohm 4pin 3W L 60 R 270 1 SA M0014 BN94 02646E ASSY PCB MAIN LS23PTDSF EN 1 SA P001A BN44 00392A AC VSS I IP 65155A PLUM23 24 w MFM 0 7 1 SA CS02A BN96 14967A ASSY SHIELD P COVER Plum MFM 23 B2330HD...

Page 9: ...SPRING ETC STAND ECOFIT 23 SK5 T0 3 1 SNA 3 T0060 BN61 05968A SPRING ETC PLUM 23 SK5 T0 6 BLACK 1 SNA 3 CIS4 BN61 05971A HOLDER STAND PLUM 23 POM WHITE ACETAL 1 SNA 3 CB19 BN61 06509A BRACKET VESA PL...

Page 10: ...x 2 SA 4 IC104 0802 001012 IC CMOS LOGIC 74LCX245 TRANSCEIVER DQFN 1 SNA 4 1006 001474 IC LINE DRIVER DRV604PWP HPSSOP 28P 9 8x 1 SA 4 IC112 1103 000129 IC EEPROM 24C02 2Kbit 256x8 SOP 8P 5x4mm 2 SA 4...

Page 11: ...R1 2007 001292 R CHIP 33ohm 5 1 16W TP 1005 34 SA 4 DR43 2007 001298 R CHIP 51ohm 5 1 16W TP 1005 2 SA 4 DR1 2007 001301 R CHIP 68ohm 5 1 16W TP 1005 10 SA 4 R326 2007 001325 R CHIP 3 3Kohm 5 1 16W TP...

Page 12: ...3 006348 C CER CHIP 1000nF 10 25V X5R TP 1608 1 SA 4 C125 2203 006361 C CER CHIP 10000nF 10 10V X5R TP 2012 52 SA 4 HE4 2203 006474 C CER CHIP 22000nF 20 6 3V X5R 2012 8 SA 4 HDC11 2203 006562 C CER C...

Page 13: ...T0073 BH63 00008A GASKET EMI IB10LO CONDUCTIVE FABRIC 3MM 1 SNA 2 AC352 BN63 06990A COVER SIDE PLUM_MFM_23 ABS VO BK07 K2331 1 SNA 2 FL06 BN96 12453Q ASSY CABLE P FFC 30 MFM FFC JSCAWHSZ 506 1 SA 0 1...

Page 14: ...MISC P 01 HANDLE PACKING ALL MODEL 1 SNA 3 BN66 00007A LEVER TOP ALL MODEL LDPE WHITE 5 8g 1 SNA 3 BN66 00008A LEVER BOTTOM ALL MODEL LDPE WHITE 4 01g 1 SNA 0 1 BN92 06611A ASSY P MATERIAL LS23PT 30 M...

Page 15: ...5 8 5 Exploded View Part List Memo...

Page 16: ...American National 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 dir...

Page 17: ...ove the instrument 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 Electros...

Page 18: ...it from being exposed 4 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 chec...

Page 19: ...1 4 1 Precautions Memo...

Page 20: ...V with no particular set top box and provides simple access with a single remote control Excellent Picture Quality Dynamic Contrast Automatically detects the input visual signal and adjusts to create...

Page 21: ...zontal Vertical 409 8 H X 230 4 V 442 8 H X 249 075 V 476 64 H X 268 11 V AC power voltage Frequency AC 110 240V 50 60 Hz Power Consumption 26W 0 3W 29W 0 3W 38W 0 3W Dimensions Set W x D x H 455 6 x...

Page 22: ...play Horizontal Vertical 509 76 H X 286 74 V 531 36 H X 276 75 V AC power voltage Frequency AC 110 240V 50 60 Hz Power Consumption 43W 0 3W 39W 0 3W Dimensions Set W x D x H 560 4 x 436 7 x 197 mm wit...

Page 23: ...HD 60Hz Brightness 300cd m2 300cd m2 Contrast Ratio 1000 1 1000 1 Response Time 5ms 5ms Viewing Angle Left Right Up Down 80 80 80 80 Left Right Up Down 80 80 80 80 PC Input D SUB DVI HDMI D SUB DVI Po...

Page 24: ...x 2 BN59 01012A Samsung Electronics Service center Power Cord 3903 000452 3903 000440 Australia Stand Body BN96 12487A Stand Base BN96 12485A D Sub Cable BN39 00244H User s Guide Monitor Driver Natur...

Page 25: ...2 6 2 Product specifications Memo...

Page 26: ...indicate that the monitor is out of scan range or that you need to check the signal cable Environment The location and the position of the monitor may influence the quality and other features of the...

Page 27: ...Main Board and check if a similar symptom appears at another output terminal Diagnostics Main Board Front CN210 IC5001 Yes No Does proper 14 5V appear at pin No 2 of CN210 Does proper 5V appear at pin...

Page 28: ...4 3 4 Troubleshooting 4 2 1 Circuit diagrams when the power does not turn on...

Page 29: ...4 4 4 Troubleshooting 4 2 2 Waveforms...

Page 30: ...r of the panel is connected correctly to the IP board Diagnostics Main Board Front CN902 CN1403 HD CN1404 Full HD Yes No Does led persists green light after power on Check IP board Yes No Does proper...

Page 31: ...4 6 4 Troubleshooting 4 3 1 Circuit diagrams and waveforms Analog when no screen is displayed on the monitor...

Page 32: ...4 7 4 Troubleshooting 4 3 2 Waveforms when no screen is displayed Analog PC...

Page 33: ...1002 CN1403 HD CN1404 Full HD Yes No Does led persists green light after power on Check IP board Yes No Dose proper 5V appear at pin No 18 of CN1002 or CN1003 Check HDMI cable connection Yes No Does p...

Page 34: ...4 9 4 Troubleshooting 4 4 1 Circuit diagrams and waveforms DVI HDMI No Screen when no screen is displayed on the monitor...

Page 35: ...4 10 4 Troubleshooting 4 4 2 Waveforms when a blank screen is displayed DVI HDMI No Screen...

Page 36: ...he monitor is turned on only a full white pattern is displayed continually regardless of the signals Causes This fault occurs when only the lamp power is supplied and no video signals are input to the...

Page 37: ...on Make sure that the power cord is disconnected before replacing any parts 7 To protect aganist shock hazard use an isolation transform 4 7 How to Access Service Mode 4 7 1 Entering Factory Mode To...

Page 38: ...4 13 4 Troubleshooting 4 7 3 Sub Page of Service OPTION Control SVC ADC WB...

Page 39: ...only after comparing the result with that of the Master equipment Input mode Calibration Pattern PC IN Model_ 21 Perform in VESA XGA 1024x768 B W Pattern 24 Lattice Table 1 Method of Color Calibratio...

Page 40: ...e Master equipment Set Aging time 60min Calibration and Manual setting for WB adjustment HDMI Calibration at 24 Chessboard Pattern Manual adjustment 92 pattern 720p COMP Calibration at 24 Chessboard P...

Page 41: ...on The message Scanning for USB It may take up to 30 seconds is displayed The message Upgrade version XXXX to version XXXX 4 The system will be reset after upgrade is displayed Press the or to select...

Page 42: ...If you select MENU Support Software Upgrade on remote control you ll see below picture 2 Press ENTER then you ll see below picture Select Yes 3 Micom program is now upgrading as below picture After So...

Page 43: ...Manager Connection 1 Prepare PC to Upgrade the Program 2 Prepare the DDC Manager 3 Connect D sub cable to Target Monitor TV 4 Power on the Target Monitor TV winDDC_V2 39 Program installed Run winDDC...

Page 44: ...ISP Menu 2 Make same setting like picture 3 Choose Device Type 30 MFM B1930HD B2030HD B2230HD B2330HD B2530HD WT61P8 1 3 2 4 Load File Select file to download 5 Set Option to load Binary Files 6 Selec...

Page 45: ...4 20 4 Troubleshooting 8 Check the OK message Load 9 Click Auto Program button 10 If you see OK message Verify program download is completed 9 10 8...

Page 46: ...nuk oktpY y XT oktpY y WR nuk oktpY y WT oktpY y jsrR nuk oktpY y jsrT uj uj oktpY kkj zjs oktpY kkj zkh nuk pklu oktpY oktpY owk nuk nuk juXWWY ju WX ju WY vwXZWX oktpX y YR nuk oktpX y YT oktpX y X...

Page 47: ...Interface LVDS Connector Connect to Panel Connect with IP board PC Stereo Common Interface CI Slot EU models only PC Analog USB Program Update Speaker R Red Speaker L Yellow EXT In Output Scart EU mod...

Page 48: ...s and transmits the PWM output to the Inverter When a problem occurs The Blank Screen and No Power errors may occur CN802 Component Composite video input terminal When a problem occurs The No MIC Inpu...

Page 49: ...6 4 6 Wiring Diagram Memo...

Reviews: