Samsung SyncMaster 2263UW Service Manual Download Page 17

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4-2

4. Troubleshooting

4-2. When the Power Does Not Turn On

Symptom

- When turning on the Power button after connecting the power, the LED at the front of the monitor

does not operate.

Major

checkpoints

- When turning on the Power button after connecting the power cable, the LED at the front of the

monitor does not operate.

- Check the IP board power fuse and the IP board output power.
- Check the connections for the IP board and the Main board inside the monitor.
- Check the Main board power part and also check whether there is any abnormal output at any of

the other output terminals.

CN103

Check the connection status for

the function assy.

Replace IP board.

Is DC 5V measured at pins 5, 6 of the

CN103 connector when pins 3, 4 are

0V?

Is DC 3.3V measured at pin 3 of IC203

when pin 1 is DC 5V?

Check the circuits related to

IC203.

Yes

Check the circuits related to

IC201.

Is DC 1.8V measured at pin 2 of IC201

when pin 3 is DC 5V?

Yes

Check and replace the IP board.

Yes

Caution

Make sure to disconnect the power before working on the IP board.

http://www.wjel.net

Summary of Contents for SyncMaster 2263UW

Page 1: ...ontens 2263UW Refer to the service manual in the GSPN see the rear cover for the more information 1 Precautions 2 Product specifications 3 Disassembly and Reassemble 4 Troubleshooting 5 Exploded View Part List 6 Wiring Diagram 7 Schematic Diagram h t t p w w w w j e l n e t ...

Page 2: ...nk Analog 4 4 4 4 When a blank screen is displayed Digital 4 7 4 5 Faults and Corrective Actions 4 10 4 6 Adjustment 4 11 5 Exploded View Part List 5 1 5 1 Exploded View 5 1 5 2 Parts List 5 3 6 Wiring Diagram 6 1 6 1 Wiring Diagram Main Board 6 1 6 2 Wiring Diagram IP Board 6 2 6 3 Connector Functions 6 3 6 4 Cables 6 3 7 Schematic Diagram 7 1 7 1 Circuit Descriptions 7 1 7 2 Schematic Diagrams P...

Page 3: ...ortal 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 2008 Samsung Electronics Co Ltd All rights reserved Printed in Korea P N BN82 00315A 00 h t t p w w w w j e l n e t ...

Page 4: ... 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 cabinets scre...

Page 5: ...nd 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 electricity Immediately...

Page 6: ...ed 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 Contact with the ...

Page 7: ...1 4 1 Precautions Memo h t t p w w w w j e l n e t ...

Page 8: ...olors Maximum resolution Horizontal 1680pixels Vertical 1050pixels Input Signal Analog DVI Digital with HDCP HDMI Input Sync Signal Seperate H V sync Composite H V Sync on Green Level TTL level Maximum Pixel Clock rate 146MHz Active Display Horizontal Vertical 473 76 H x 296 1 V AC power voltage Frequency AC 110V 130V 60Hz AC 200V 240V 50Hz Power Consumption MAX 40W Typical 35W Dimensions Set W x ...

Page 9: ... CR Custom 7 steps Text Internet Game Sports Movie Dynamic CR Custom Gamma 3 steps Mode1 Mode2 Mode3 3 steps Mode1 Mode2 Mode3 Color Tone 4 steps Cool Normal Warm Custom 4 steps Cool Normal Warm Custom 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...

Page 10: ...rranty Card Not available in all locations BN68 01146A User s Guide Monitor Driver Natural Color Pro Software BN59 00710D D Sub 15 Pin Cable BN39 00244G Power Cord 3903 000212 USB cable BN39 00397C 2 4 Accessories Sold separately Product Description Ccde No Remark DVI Cable BN39 00246K Samsung Electronics Service center h t t p w w w w j e l n e t ...

Page 11: ...2 4 2 Product specifications Memo h t t p w w w w j e l n e t ...

Page 12: ...ed jig 3 Remove the signal cable and the power cord before beginning the disassembly Description Photo Screws STAND 1 Place a soft cloth on the floor and place the monitor on it so that the front of the monitor is on the cloth Caution If you do not tilt the stand and use too much force to remove it the connection pin may break 2 Remove the two screws at the bottom of the monitor Insert your hand i...

Page 13: ...e the IP board cable and the function cable connected to the chassis IP Board Cable Function Cable 5 Remove the MIC WebCam and sub board cables connected to the chassis MIC WebCam Sub Board Cable ASSY CHASSIS 6 Remove the LVDS Cable LVDS h t t p w w w w j e l n e t ...

Page 14: ...e four 5 screws shown in the figure and remove the Bracket support The assembly is in the reverse order of the disassembly When assembling the back cover proceed from the bottom so that the Speaker parts are not leaning towards the side MAIN BOARD SMPS Sub Board The assembly is in the reverse order of disassembly h t t p w w w w j e l n e t ...

Page 15: ...3 4 3 Disassembly and Assembly Memo h t t p w w w w j e l n e t ...

Page 16: ...o picture appears make sure the power cord is correctly connected Check the following circuits No raster appears Function PBA Main PBA I P PBA 55V develop but no screen Main PBA 5V does not develop I P PBA If you select Brightness adjust menu and push the Enter Source button for 5 seconds the monitor automatically returns to factory reset 1 2 3 4 h t t p w w w w j e l n e t ...

Page 17: ... Check the Main board power part and also check whether there is any abnormal output at any of the other output terminals Diagnostics CN103 IC203 IC201 Main Board Front Yes Check the connection status for the function assy Replace IP board No Is DC 5V measured at pins 5 6 of the CN103 connector when pins 3 4 are 0V Is DC 3 3V measured at pin 3 of IC203 when pin 1 is DC 5V Check the circuits relate...

Page 18: ...4 3 4 Troubleshooting 4 2 1 Circuit diagrams when the power does not turn on h t t p w w w w j e l n e t ...

Page 19: ... IC202 X200 R104 R107 R111 Main Board Front Yes Check the signal cables and their connections Yes Replace or check related circuit No Is X200 oscillating correctly Do the RGB inputs appear at R104 R107 and R111 Check input part No Yes Do the Hsync and Vsync waveforms appear at pins 32 33 of IC202 respectively Check IC202 and related circuit No Yes Do output signals appear at pins 8 to 30 of CN100 ...

Page 20: ...4 5 4 Troubleshooting 4 3 1 Circuit diagrams and waveforms Analog when no screen is displayed on the monitor h t t p w w w w j e l n e t ...

Page 21: ...4 6 4 Troubleshooting 4 3 2 Waveforms when no screen is displayed Analog h t t p w w w w j e l n e t ...

Page 22: ...ed correctly to the IP board Diagnostics CN100 IC202 X200 R442 R445 R447 R450 Main Board Front Yes Check the signal cables and their connections Yes Check and replace the circuits related to X201 No Is X200 oscillating correctly Do the inputs appear at R442 R445 R447 and R450 Check input part No Yes Do output signals appear at pins 8 to 30 of CN100 Check CN100 and related circuit No Yes Can DC 5V ...

Page 23: ...4 8 4 Troubleshooting 4 4 1 Circuit diagrams and waveforms DVI when no screen is displayed on the monitor h t t p w w w w j e l n e t ...

Page 24: ...4 9 4 Troubleshooting 4 4 2 Waveforms when a blank screen is displayed Digital h t t p w w w w j e l n e t ...

Page 25: ... 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 panel due to a fault or incorrect connections of the LVDS cable Corrective Actions Replace or reconnect the LVDS cable correctly so that video signals can be supplied to the panel A full white pattern is a feature of th...

Page 26: ...ing a Board 1 Check the state of the PC color adjustment 2 Enter the DDC data Enter both analog and digital data 3 Check whether the MCU code that corresponds to the model has been entered 4 After completing your work in service mode reset the monitor and switch it off 4 How to execute DDC 1 Enter the DDC EDID data when the AD board is replaced 2 Download the DDC input program and the DDC file tha...

Page 27: ... OSD is displayed To exit the SVC Function turn the power off 3 Safe Mode When the input signal is higher than the supported frequency of the product safe mode gives users some time oneminute to change the video card settings to the Recommended Mode settings r Panel Information Micom version Micom checksum Select the Auto Auto option Select the Pixel Shift option Country Scaler Vender Service Mode...

Page 28: ...f When replacing the panel After replacing the panel select the Panel item and then hold down the Menu button for five 5 seconds The Ch No of the panel will increase by one 1 and the time information will change to 0 This number is incremented by 1 h t t p w w w w j e l n e t ...

Page 29: ...en icon 2 Select Two EDID 3 Select a DDC file 4 Select week 5 Click Next OK 6 Enter the serial number and press the Enter key After entering the analog data repeat the procedure above 2 to 5 times to enter digital data 1 2 3 4 5 6 h t t p w w w w j e l n e t ...

Page 30: ... How to Execute MCU Code 1 Options Checking Manufacture MSTAR Device Type TSUMxxx Communication Port DSUB15 Analog External Memory PMC25LV020 2 After click the LoadFile button choose MCU code 1 2 h t t p w w w w j e l n e t ...

Page 31: ...4 16 4 Troubleshooting 3 Auto Program button choice 4 After the Program and Verify completed execute hard power off on 3 h t t p w w w w j e l n e t ...

Page 32: ...4 17 4 Troubleshooting Inputting the Code HDCP 1 Run the service exe file 2 Click the HDCP button h t t p w w w w j e l n e t ...

Page 33: ...4 18 4 Troubleshooting 3 Click the HDCP Write button and select MStar_HDCPKEY 4 Inputting the HDCP key is completed h t t p w w w w j e l n e t ...

Page 34: ...5 1 5 Exploded View Part List 5 Exploded View Part List 5 1 LS22LIUJFV XF Exploded View T0003 M0215 BN61 02426A M0174 M0014 M0006 BN63 04290A M0852 M0013 M0027 M0003 h t t p w w w w j e l n e t ...

Page 35: ...N44 00182L IP BOARD IP 53135B LIME 22 1 4 2 8mA 6 1 S A M0014 BN94 01591X ASSY PCB MAIN STZ W W LS22LIUJFV 1 S A M0006 BN96 07236B ASSY SHIELD P COVER LS22LI_LS22LD SECC T 1 S N A BN63 04290A SHIELD LAMP LS22LIU SPTE T0 3 1 S N A M0027 BN96 06657A ASSY STAND P BASE AQUA22 ABS PMMA HB BK 1 S A M0003 BN96 06660A ASSY STAND P AQUA22 ABS PMMA HB BK26 1 S A M0852 BN96 07392A ASSY USB P LIME CHEMT 67mm ...

Page 36: ...286A COVER REAR LS22LIU PMMA ABS HB BK26 HIGH 1 S N A 3 CCM1 BN63 02183D COVER SHEET Rhcm PE Vinyl T0 05 680mm 20 0 5 S N A 2 M0081 6003 000282 SCREW TAPTITE BH B M3 L8 ZPC BLK SW 2 S A 0 1 M0106 BN91 01803J ASSY LCD STZ LS22MYK 1 S N A 2 M0215 BN07 00487A LCD PANEL LTM220M1 L01 2 1 S A 0 1 M0017 BN91 01999G ASSY CHASSIS STZ W W LS22LIUJFV 1 S N A 2 M0081 6003 000115 SCREW TAPTITE BH B M3 L6 ZPC B...

Page 37: ...ZD101 0403 001411 DIODE ZENER 5 49 5 73V 200mW SOD 323 T 1 S A 4 ZD102 0403 001411 DIODE ZENER 5 49 5 73V 200mW SOD 323 T 1 S A 4 D418 0403 001435 DIODE ZENER QZX363C5V6 5 32 5 88V 200MW 1 S A 4 D0254 0404 001020 DIODE SCHOTTKY BAT54C 30V 200mA SOT 23 T 1 S A 4 D0254 0404 001020 DIODE SCHOTTKY BAT54C 30V 200mA SOT 23 T 1 S A 4 D0254 0404 001307 DIODE SCHOTTKY SSC54 20V 5000mA DO 214AB 1 S A 4 ZD10...

Page 38: ...m 1 1 10W TP 1608 1 S A 4 R110 2007 000043 R CHIP 1Kohm 1 1 10W TP 1608 1 S A 4 R110 2007 000060 R CHIP 100Kohm 1 1 10W TP 1608 1 S A 4 R110 2007 000060 R CHIP 100Kohm 1 1 10W TP 1608 1 S A 4 R110 2007 000060 R CHIP 100Kohm 1 1 10W TP 1608 1 S A 4 R110 2007 000060 R CHIP 100Kohm 1 1 10W TP 1608 1 S A 4 R110 2007 000060 R CHIP 100Kohm 1 1 10W TP 1608 1 S A 4 R110 2007 000060 R CHIP 100Kohm 1 1 10W ...

Page 39: ...071 R CHIP 22ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000071 R CHIP 22ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000071 R CHIP 22ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000071 R CHIP 22ohm 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...

Page 40: ...083 R CHIP 3Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000083 R CHIP 3Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4...

Page 41: ... 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 00...

Page 42: ... R CHIP 10ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000309 R CHIP 10ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000309 R CHIP 10ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000309 R CHIP 10ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000309 R CHIP 10ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000309 R CHIP 10ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000475 R CHIP 1Mohm 1 1 10W TP 1608 1 S A 4 R110 2007 000708 R CHIP 3 9Kohm 1 1 10...

Page 43: ...S A 4 C120 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C120 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C120 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C120 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C120 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C120 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 S A 4 C120 2203 000257 C CER CHIP 10nF 1...

Page 44: ... 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 10 16V X7R 1608...

Page 45: ...1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 00506...

Page 46: ...6X5 3 1 S A 4 C657 2402 001086 C AL SMD 100UF 20 16V WT TP 6 6X6 6X5 3 1 S A 4 C108 2402 001128 C AL SMD 100 F 20 16V TP 6 3X5 7mm 1 S A 4 C227 2402 001128 C AL SMD 100 F 20 16V TP 6 3X5 7mm 1 S A 4 C241 2402 001128 C AL SMD 100 F 20 16V TP 6 3X5 7mm 1 S A 4 C647 2402 001128 C AL SMD 100 F 20 16V TP 6 3X5 7mm 1 S A 4 C652 2402 001128 C AL SMD 100 F 20 16V TP 6 3X5 7mm 1 S A 4 C828 2402 001128 C AL...

Page 47: ...LS4148 75V 150mA LL 34 1 S A 4 Q402 0501 000445 TR SMALL SIGNAL KTC3875S Y NPN 150mW SOT 1 S A 4 Q403 0501 000445 TR SMALL SIGNAL KTC3875S Y NPN 150mW SOT 1 S A 4 Q404 0501 000445 TR SMALL SIGNAL KTC3875S Y NPN 150mW SOT 1 S A 4 Q208 0501 000457 TR SMALL SIGNAL MMBT2222A KST2222A NPN 3 1 S A 4 T0077 BN41 00977B PCB MAIN LIME 22 CEM 3 2 1 1 1 6T 140 12 1 S N A 3 CN330 3711 006715 HEADER BOARD TO CA...

Page 48: ... 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 N A 2 M0003 BN96 06660A ASSY STAND P AQUA22 ABS PMMA HB BK26 1 S A 3 M0081 6003 000275 SCREW TAPTITE BH B M3 L10 ZPC BLK S 2 S N A 3 BN63 04161A COVER STAND FRONT LS22AQ ABS PMMA HB BK2 1 S N A 3 BN63 04162A COVER STAN...

Page 49: ...5 16 5 Exploded View Part List Memo h t t p w w w w j e l n e t ...

Page 50: ...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 h t t p w w w w j e l n e t ...

Page 51: ...tor Connect to IP Board LVDS Connector Connect to Panel DVI Connector Connect to PC 3708 001150 3711 004261 3701 001173 3701 001219 RGB Connector PConnect to PC HDMI input MIC in Camera Headset USB down Speaker out USB up Stream IP board h t t p w w w w j e l n e t ...

Page 52: ...e Main board Receives and transmits the PWM output to the Inverter When a problem occurs The Blank Screen and No Power errors may occur CN601 Transmits signals from the MIC to the Main board When a problem occurs The No MIC Input error may occur CN800 Transmits signals from the WebCam to the Main board When a problem occurs The No WebCam Input error may occur CN602 Transmits audio signals from the...

Page 53: ...6 4 6 Wiring Diagram Memo h t t p w w w w j e l n e t ...

Page 54: ...a flash type memory and the firmware can be rewritten to it MX25L4005M2C EEPROM IC403 IC404 The memory which receives the digital and HDMI DDC 24LC02B DVI HDMI Switch IC401 Sends either the DVI or HDMI signals according to the input PI3HDMI1210BE Audio Codec IC603 The IC that controls the web camera and the MIC PCM2900C1DBR Audio Amp IC602 The IC that receives the audio signals and outputs them to...

Page 55: ...7 2 7 Schematic Diagram 7 2 Schematic Diagrams Power Flowchart h t t p w w w w j e l n e t ...

Page 56: ...7 3 7 Schematic Diagrams 7 3 Schematic Diagrams This Document can not be used without Samsungs authorization 7 3 1 Schematic Diagrams DSUB LVDS POWER h t t p w w w w j e l n e t ...

Page 57: ...7 4 7 Schematic Diagrams 7 3 2 Schematic Diagrams SCALER This Document can not be used without Samsungs authorization h t t p w w w w j e l n e t ...

Page 58: ...7 5 7 Schematic Diagrams 7 3 3 Schematic Diagrams HDMI DVI AUDIO This Document can not be used without Samsungs authorization h t t p w w w w j e l n e t ...

Page 59: ...7 6 7 Schematic Diagrams 7 3 4 Schematic Diagrams AUDIO BLOCK This Document can not be used without Samsungs authorization h t t p w w w w j e l n e t ...

Page 60: ...7 7 7 Schematic Diagrams 7 3 5 Schematic Diagrams USB BLOCK This Document can not be used without Samsungs authorization h t t p w w w w j e l n e t ...

Page 61: ...7 8 7 Schematic Diagrams Memo h t t p w w w w j e l n e t ...

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