Samsung SyncMaster S23A750D Скачать руководство пользователя

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故障排除

4-22

4-6-3.

Enter

DDC (MTI-2510)

WinDDCU

Pop-up menu

Function

EDID

Logger

Run a recorder and verified by computer on the monitor

EDID

Data (

*.ddc

) File.

The menu is mainly being used to enter

EDID

Data files (

*.ddc

) For

more information.

EDID

Multi-purpose

logger

Enter number

EDID

Data (up to

) (

*.ddc

) File for more

information.

WinISP

The implementation of

MICOM

Upgrade.

EEPROM

Logger

The implementation of

EEPROM

Upgrade.

Transmitter

New on the computer all

Data and uses

MTI-2510

Data display

equipment.

System upgrade

Using the system

Hex

Files to upgrade or downgrade your system

version.

EDID

Recorder menu

Содержание SyncMaster S23A750D

Страница 1: ...assis WDQ2 Model S23A750D S27A750D Service Manual Thin film liquid crystal displays Contents S23A750D S27A750D 1 Matters needing attention 2 Product specifications 3 Disassembly and reassembly 4 Troubleshooting 5 Wiring diagram ...

Страница 2: ...e old model specifications 2 2 2 3 Annex 2 3 3 Disassembly and Assembly 3 1 3 1 Disassembly 3 1 4 Troubleshooting 4 1 4 1 Troubleshooting 4 1 4 2 When the power supply is not available 4 2 4 3 When you monitor black screen HDMI 4 9 4 4 When you monitor black screen DP 4 13 4 5 Examples of faults and corrective actions 4 17 4 6 Regulation 4 18 5 Wiring diagram 5 1 5 1 The wiring diagram 5 1 5 2 Pow...

Страница 3: ...Samsung Electronics Co Ltd All rights reserved 中国印刷 The repair manual Samsung Electronics Co Ltd all Unauthorized use of this manual may be subject to applicable international and Or domestic legal punishment ...

Страница 4: ...hanical insulators etc 3 Leakage Current Hot Check Figure 1 1 Do not use an isolation transformer during this test Use a leakage current tester or a metering system that complies with American National Standards Institute ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL Publication UL1410 59 7 Figure 1 1 Leakage Current Test Circuit 4 With the unit completely reassembled...

Страница 5: ...n parallel with an electrolytic capacitor 2 Some components are raised above the printed circuit board for safety An insulation tube or tape is sometimes used The internal wiring is sometimes clamped to prevent contact with thermally hot components Reinstall all such elements to their original position 3 After servicing always check that the screws components and wiring have been correctly reinsta...

Страница 6: ... 7 Immediately before removing the protective material from the leads of a replacement ESD touch the protective material to the chassis or circuit assembly into which the device will be installed 8 Minimize body motions when handling unpackaged replacement ESDs Motions such as brushing clothes together or lifting your foot from a carpeted floor can generate enough static electricity to damage an E...

Страница 7: ...ription Model S23A750D S27A750D LCD Panel TFT LCD panel RGB vertical stripe normally white transmissive 23 Wide viewable 0 2655 H x 0 2655 W mm pixel pitch 27 Wide viewable 0 31125 H x 0 31125 W mm pixel pitch Scanning Frequency Horizontal 24 kHz 138 kHz Vertical 27 Hz 120 Hz Display Colors 16 7 million color Hi FRC Maximum resolution Horizontal 1920 pixels Vertical 1080 pixels Brightness 250cd m1...

Страница 8: ... with Stand 543 4 x 321 0 x 18 9 mm without Stand 631 2 x 453 9 x 191 1 mm with Stand 631 2 x 370 4 x 18 9 mm without Stand Weight Set After installation Stand 5 2 Kg without Stand 7 6 Kg with Stand 4 5 Kg without Stand 7 0 Kg with Stand Environmental Considerations Operating Temperature 10 C 50 C 50 F 122 F Operating Humidity 10 90 Storage Temperature 20 C 45 C 4 F 113 F Storage Humidity 5 90 Not...

Страница 9: ... 27 22 Resolution 1920 X 1080 1680 X 1050 DCR MEGA 20 000 1 IN OUT DP O X DVI DL X O HDMI O X HP OUT O X 3D Function 3D format compatible O X 2D 3D O X 3D game compatible 3D Driver O o Nvidia PS3 X Box BD Player O X 3D glasses type BT IR Feature HDCP O O Panel LED LCD 2 2 2 Product specifications ...

Страница 10: ...y Guide BN68 03413A Samsung Electronics Service center Warranty Card Not available in all locations BH68 00344C User Manual BN68 03632B Cleaning Cloth BN63 02368B Adapter BN44 00461A Power Cord 3903 000598 DP Cable BN39 01501A 3D Glasses Assy BN96 18236A 2 3 ...

Страница 11: ...ndling these parts 3 1 Disassembly Be careful 1 As before please turn off the monitor 2 When removing the display do not use the open metal tools other than the tools provided 3 Please follow the steps below carefully remove the display Introductions Pictures 1 As shown and pull the arrow and remove the bottom cover at the back 2 According to diagram the arrows and pull the back cover and remove l...

Страница 12: ...3 拆卸和重新组装 3 2 Introductions Photo caption 3 Disassembly 4 A screw 4 As backward tilt base as shown in the figure 5 Removal of the mark shown LVDS Wiring Scre 4 个 ...

Страница 13: ...3 3 Introductions Photo caption 6 Remove the front cover as shown in the figure 7 As shown in Figure remove rear cover ...

Страница 14: ...3 拆卸和重新组装 3 4 Introductions Photo caption 8 Release 5 Screws and remove the base cover 9 Release 4 Screws and remove the printed circuit board Introductions Photo caption Scre 5 个 Scre 4 个 ...

Страница 15: ...3 5 10 As shown in diagram disassembly and fan hub 11 As shown in the figure and remove LVDS Wiring and printed circuit boards ...

Страница 16: ...拆卸和重新组装 3 6 Introductions Photo caption 12 Release 4 A screw and remove the hinge at the neck and the base cover 13 As shown in the figure and remove it from the base frame the base Central cover Scre 4 个 ...

Страница 17: ...crews and remove the fan Reassembly step and disassembly steps instead Screw size Code number A mm B mm C mm The number of 6001 001114 8 6 4 4 EA 6003 000264 6 6 3 4 EA 6003 001374 8 12 4 4 EA 6006 001096 8 12 4 2 EA 6003 001785 8 8 4 5 EA Scre 2 个 ...

Страница 18: ......

Страница 19: ... printed circuit board Assembly printed circuit board assemblies If LED Background lights not lit despite LED Open check LED Drive 1 And 2 Connector between the layers and FPC LVDS Wiring If W R G B Test chart can display although the background light is lit check 60 针 FFC Wiring 1 And 2 Connector between the layers and FPC LVDS Wiring 4 Press Menu Button and change the brightness and contrast 0 T...

Страница 20: ...rs Diagnosis Replace the motherboard Attention Check the make sure to disconnect power before connecting the motherboard Main PBA 1st Floor_Top 否否是是第 2 On the power IC Is there a normal 第 1 Layer 2 Between key 6 7 和 8 V 14 Check 2 Layer IC501 IC502 IC505 和 IC506 Related circuits If necessary 2 Floor Check 1 Layer 2 Layer CN100 Related 否是第 2 On a CN504 PIN 2 和 3 Volta 为 V 0 Pipe 1 The voltage...

Страница 21: ...4 故障排除 4 3 Main PBA 1st Floor_Bottom Main PBA 2st Floor_Top IC204 Q208 CN100 IC203 Q630 IC202 IC201 ...

Страница 22: ...4 故障排除 4 4 Main PBA 2st Floor_Bottom 4 2 1 When power is not available in the circuit diagram 1 Circuit IC502 IC505 IC501 CN504 CN100 IC504 ...

Страница 23: ...4 故障排除 4 5 ...

Страница 24: ...4 故障排除 4 6 4 2 2 When power is not available in the circuit diagram 2 Circuit ...

Страница 25: ...4 故障排除 4 7 MM3374A25PRH R537 R539 C53110UF 1OHM 1OHM 6 3V C537 C539 10UF 10UF 6 3V 6 3V FGND FGND FGND FGND ...

Страница 26: ...4 故障排除 4 8 ...

Страница 27: ...r and 60 针 FFC The wiring is connected properly Diagnosis Replace the LCD screen Check the power supply status 1 Layer and 2 Connector between the layers Scrutineering HDMI The input and IC301 Circuit Scrutineering CN401 和 60 针 FFC Wiring Scrutineering 5V_Signal Attention Check the make sure to disconnect power before connecting the motherboard Main PBA Check the signal wiring and 否否是是在 R305 至...

Страница 28: ...4 故障排除 4 10 4 3 1 Black screen appears when the circuit diagram HDMI 2 1 Connector P 60 FFC Cable HDMI 2 1 Connector CN401 ...

Страница 29: ...4 故障排除 4 11 HDMI INPUT ...

Страница 30: ...4 故障排除 4 12 4 3 2 Screen no display of HDMI ...

Страница 31: ...el Check 1 Layer and 2 Between connector and 60 针 FFC The wiring is connected properly Diagnosis Replace the LCD screen Attention Check the make sure to disconnect power before connecting the motherboard Main PBA 否否是是在 R321 到 R328 DP 输 The Check 2 层 CN401 PIN 51 1 Whet The Scrut DP Input Scrut CN401 和 60 针 FFC Wiring 否是 Scrut X501 Shock is normal Check the power supply 1 层 And 2 Connector bet...

Страница 32: ...4 故障排除 4 14 4 4 1 Black screen appears when the circuit diagram DP 1 2 Connector P 60 FFC Cable DP 2 1 Connector CN401 ...

Страница 33: ...4 故障排除 4 15 4 4 2 Screen no display of waveforms DP ...

Страница 34: ...4 故障排除 4 16 ...

Страница 35: ...n the monitor on regardless of whether there is signal continuous display of full white pattern Reason an LVDS Connection failure or error connections Corrective action replace or correctly connect LVDS Wiring Indication in the connection DVD The screen noise emission Reason HDCPKey cannot be inserted Corrective action enable HDCPKey ...

Страница 36: ...ly 2 In order to secure large enough to remove the display 3 Prepare a cushion before the demolition Enter maintenance mode Enter Exit After replacing the basic maintenance items 1 Scrutineering PC Color adjustment 2 DDC Input analog and digital input 3 Check that the model is suitable MCU Code input 4 Enter maintenance mode after power off and reset ...

Страница 37: ...n off the power 3 Safe mode When the input signal when supported by higher frequency signals than the product safe mode gives the user some time 1 Minutes change the graphics mode are set to the recommended setting Board information Select the automatic option Pixel switching option is selected Country Select hot plug Scaler supplier Micom Version Micom Inspection and SVC Function OSD Included 103...

Страница 38: ...4 故障排除 4 20 Maintenance mode move 1 Press Button to move to the other options 2 Press Button change the setting to on or off ...

Страница 39: ... 21 When panels are replaced Replace the Panel select a Panel item and press the menu button five 5 Seconds Plate surface Ch No will increase 1 and time information will be changed to 0 This number increased 1 ...

Страница 40: ...D Data files ddc For more information EDID Multi purpose logger Enter number EDID Data up to 6 ddc File for more information WinISP The implementation of MICOM Upgrade EEPROM Logger The implementation of EEPROM Upgrade IR Transmitter New on the computer allIRData and usesMTI 2510Data display equipment System upgrade Using the system Hex Files to upgrade or downgrade your system version EDID Record...

Страница 41: ... Data Management edit mode perform all of the functions write read and modify data etc Bar code write mode reading the serial number barcode and direct the writing process The implementation of EDID Logger 1 The implementation of Load file And select a ddc File input for more information DDCFile name S23A750D S27A750D SMS23A750DH ddc SMS27A750DH ddc Select the input If you want to change Ctrl Q ...

Страница 42: ...nput port and mode Don t forget to check these locations 2 Check the loading process Display a confirmation click on the Logger Begin writing 3 Write to complete In factEDID The writing process was not complete at this stage ...

Страница 43: ...4 Click Verify Because of the tests included in the writing process this option can be selected is not enforced DDC Data backup 1 在 EDID Selected in the formula bar Read 2 Enter a file name and keep the backup data ...

Страница 44: ... follows When many of the same model is used you should check DDC Files for defects Run EDID Multi purpose logger for analog and HDMI Input signal 1 For analog input signal click Loading And select simulation ddc File For HDMI Input signal click Loading And select HDMI ddc File ...

Страница 45: ...4 故障排除 4 27 2 Check the loading process Display a confirmation click on the Logger and verify 3 EDID Multi purpose logger process to complete ...

Страница 46: ...4 故障排除 4 28 4 6 4 Enter EDID Connection Connection DDC Manager to your computer next use DVI 或 HDMI Wiring connections DDC Manager to the display Menu ...

Страница 47: ...mation DP EDID Has been included in the MICOM So you don t need to upgrade DP EDID DDCFile name S23A750D S27A750D SMS23A750DH ddc SMS27A750DH ddc 4 6 5 Enter Micom Connection Connection DDC Management devices to your computer USB Port connect HDMI DVI Connection to DDC Management unit and the back of the product HDMI Port WinISP Menu Select an input port DVI 或 HDMI ...

Страница 48: ...4 故障排除 4 30 1 ChooseManufactureSelectMicomConstructor 2 Select the type of device 3 Select the input port 4 Select external memory storage capacity 4 6 6 Enter the code HDCP 1 Runservice exeFile ...

Страница 49: ...4 故障排除 4 31 2 Click on the HDCP Buttons 3 点击 HDCP 写入按钮并选择 Mstar_HDCPKEY ...

Страница 50: ...4 故障排除 4 32 4 输入 HDCP 密钥已完成 ...

Страница 51: ...5 Wiring Diagram 5 1 5 Wiring Diagram ...

Страница 52: ...5 Wiring Diagram 5 2 5 1 Wiring Diagram Schematic ...

Страница 53: ...5 Wiring Diagram 5 3 5 2 Power Flow Chart 5 3 Board Connection Main PBA 1st Floor ...

Страница 54: ... Scaler This main IC receives the external input and displays pictures on the screen B to B connector between the 1st and 2nd floors Transmits the signals between the 1st and 2nd floors DP Stands for Display Port and offers a higher input port performance than a DVI HDMI Connects to an AV device or PC LED Driver Turns on the backlight of the LED panel Flash This IC is where MICOMs for the scaler a...

Страница 55: ...VDS_TX1_DP 13 LVDS_TX4_AN 43 LVDS_TX1_DN 14 GND 44 LVDS_TX1_CP 15 LVDS_TX4_CLKP 45 LVDS_TX1_CN 16 LVDS_TX4_CLKN 46 LVDS_TX1_BP 17 GND 47 LVDS_TX1_BN 18 LVDS_TX3_DP 48 LVDS_TX1_AP 19 LVDS_TX3_DN 49 LVDS_TX1_AN 20 LVDS_TX3_CP 50 GND 21 LVDS_TX3_CN 51 LVDS_TX1_CLKP 22 LVDS_TX3_BP 52 LVDS_TX1_CLKN 23 LVDS_TX3_BN 53 GND 24 LVDS_TX3_AP 54 3D_SYNC_LR 25 LVDS_TX3_AN 55 O_BLU_LED_T 26 GND 56 ENABLE_3D 27 L...

Страница 56: ... 2 LED3 12 LED5 3 LED2 13 LED4 4 LED1 14 VLED3 5 GND 15 GND 6 14V 16 SUB_SDA 7 14V 17 SUB_SCL 8 14V 18 DPMS_ON 9 HP_MUTE 19 PANEL_EN 10 NC 20 5V_PANEL Function BT Connector 1 BT_TEST 8 ENABLE_3D 2 EMIT_3D_SYNC 9 GND 3 GND 10 3 3V_FUNC 4 USB_P 11 GND 5 USB_N 12 FUNC_SDA 6 5V_BT 13 FUNC_SCL 7 PAIRING 14 FUNC_GPIO Main PBA 2nd Floor ...

Страница 57: ...rts M180 M180 This Samsung patent applied IC starts the 3D function DDR1 Starts M180 LVDS Connector Connects the LVDS 4 channel and LED driver signal panel DC Jack Supplies 14V power Audio Jack Outputs audio from the HDMI DP input B to B connector between the 1st and 2nd floors Transmits the signals between the 1st and 2nd floors 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 ...

Страница 58: ... LVDS_TX2_DN 2 AU_SCLK 32 LVDS_TX2_CP 3 AU_LRCLK 33 LVDS_TX2_CN 4 AU_SDOUT 34 LVDS_TX2_BP 5 GND 35 LVDS_TX2_BN 6 LVDS_TX4_DP 36 LVDS_TX2_AP 7 LVDS_TX4_DN 37 LVDS_TX2_AN 8 LVDS_TX4_CP 38 GND 9 LVDS_TX4_CN 39 LVDS_TX2_CLKP 10 LVDS_TX4_BP 40 LVDS_TX2_CLKN 11 LVDS_TX4_BN 41 GND 12 LVDS_TX4_AP 42 LVDS_TX1_DP 13 LVDS_TX4_AN 43 LVDS_TX1_DN 14 GND 44 LVDS_TX1_CP 15 LVDS_TX4_CLKP 45 LVDS_TX1_CN 16 LVDS_TX4...

Страница 59: ...RXE2P 54 FB4 75 STV 13 GND 34 F_RXE2N 55 VCC_LED2 76 GND 14 B_RXO3P 35 F_RXE1P 56 VCC_LED1 77 NC Sync_o 15 B_RXO3N 36 F_RXE1N 57 FB3 78 BIST_EN 16 GND 37 F_RXE0P 58 FB2 79 NC ELIT_EN 17 B_RXOCP 38 F_RXE0N 59 FB1 80 PWMI 18 B_RXOCN 39 GND 60 GND 81 Frame_sel 19 GND 40 F_RXO3P 61 GND 82 GND 20 B_RXO2P 41 F_RXO3N 62 VIN_5V 21 B_RXO2N 42 GND 63 VIN_5V ...

Страница 60: ... signal input port Failure symptoms No HDMI Output error may occur CN302 1st floor DP signal input port Failure symptoms No DP Output error may occur CN100 1st floor Port that connects the power and signals between the 1st and 2nd floors Failure symptoms No Power error may occur or the LED backlight may not turn on ...

Страница 61: ... Failure symptoms No Sound Output error may occur CN400 2nd floor Port that connects the LVDS signal between the 1st and 2nd floors Failure symptoms Panel Test Pattern W R G B may appear repeatedly CN100 2nd floor Port that connects the power and signals between the 1st and 2nd floors Failure symptoms No Power error may occur or the LED may not turn on CN401 2nd floor LVDS output port Failure symp...

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