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Samsung Odyssey G7 LC27G7 T Series, Service Manual

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Samsung Odyssey G7 LC27G7 T Series Service Manual Download Page 28

3-2

Disassembly and Reassemble

Description

Picture Description

Screws

3

[Stand DISASSEMBLY]
Release four SCREW points, Disassemble 
the stand and the torso. At this time, 
SCREW is not decomposed and is fixed to 
Standby with release.

※

 Zig available for Cover Rear

    disassembly: Delphinus (

BH81-00001A

)

6001-003016

4

Unlock one SCREW. , Decompose the 
stand torso and Neck.

5

Lift it slightly up, disconnect the stand.

6

Stand decomposition complete.

Summary of Contents for Odyssey G7 LC27G7 T Series

Page 1: ...al in the GSPN see the rear cover for the more information Contents SERVICE Manual G75T 1 Precautions 2 Product specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 Wiring Diagram Gaming Monitor Chassis Model LK00 LC27G7 T LC32G7 T ...

Page 2: ...y Precautions 1 4 1 4 Installation Precautions 1 5 2 Product specifications 2 1 Model Comparison 2 1 2 2 Feature Specifications 2 2 2 3 Specification Comparison to Old Models 2 3 2 4 Accessories 2 5 2 5 About New Features 2 6 2 5 1 Picture Mode 2 6 2 5 2 Screen scanning rate 2 7 2 5 3 Adaptive Sync 2 7 2 5 4 FreeSync 2 9 2 5 5 Core Lighting 2 11 2 5 6 MPRT 2 12 2 5 7 MGA Calibration 2 14 3 Disasse...

Page 3: ...a blank screen is displayed DisplayPort 1 4 6 4 2 4 When a blank screen is displayed DisplayPort 2 4 8 4 3 Error Examples and Actions 4 10 4 4 Adjustment 4 11 4 4 1 Changing the Service Menu Settings 4 11 4 4 2 Service Function 4 12 4 4 3 Entering WIN DDC Data 4 14 5 Wiring Diagram 5 1 Wiring Diagram 5 1 5 2 Block Diagram 5 2 5 3 Board Connection 5 3 5 4 Connector Functions 5 5 ...

Page 4: ...na Japan https gspn2 samsungcsportal com N America S America https gspn3 samsungcsportal 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 2020 Samsung Electronics Co Ltd All rights reserved Printed in Korea ...

Page 5: ... insulating materials cabinet backs adjustment and compartment covers or shields isolation resistorcapacitor networks mechanical insulators etc 3 Leakage Current Hot Check Warning 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 ...

Page 6: ...ecial safety characteristics are identified by on schematics and parts lists A substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock fire and or other hazards Product safety is under review continuously and new instructions are issued whenever appropriate Warning Wear protective equipment gloves safety goggles etc to preven...

Page 7: ...ttempting to a remove or reinstall any component or assembly b disconnect PCB plugs or connectors c connect a test component in 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 elemen...

Page 8: ...s These can generate electrical charges sufficient to damage ESDs 4 Use only a grounded tip soldering iron to solder or desolder ESDs 5 Use only an anti static solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESDs 6 Do not remove a replacement ESD from its protective package until you are ready to install it Most r...

Page 9: ...re or electric shock 6 Keep the antenna far away from any high voltage cables and install it firmly Contact with the highvoltage cable or the antenna falling over may cause fire or electric shock 7 When installing the product leave enough space 0 4 m between the product and the wall for ventilation purposes A rise in temperature within the product may cause fire 8 If an equipment is provided with ...

Page 10: ...imensions W x H x D Weight 27 Without Stand 614 6 x382 8 x 171 0 mm 5 5kg With Stand 614 6 x 576 0 x 305 2 mm 7 2 kg 32 Without Stand 710 1 x 439 1 x 187 1 mm 6 5 kg With Stand 710 1 x 594 5 x 305 9 mm 8 2 kg Panel Type LCM LED BLU VA Internal Memory None DDR None Feature 240Hz FreeSync 2 0 QD Color MPRT 1ms Lighting ...

Page 11: ...e Applying the best gaming performance Refresh rate 240 Hz Response time1 ms GTG Buttery Silky Smooth of the screen through 240Hz Refresh rate To minimize the afterimage effect Provide natural game screen QLED provides clearer game image quality by applying HDR 600 Brighter places are brighter darker places are darker In game play the intended color expression of the original producer Maximize imm...

Page 12: ...8 CR 10 Brightness 350 cd m 350 cd m power consumption 36W 27inches 56W 32inches 56 3W DPMS 0 45W Same regardless of inches C R 3000 1 Typ 2500 1 Typ Stand Function Tilt Pivot HAS Tilt Swivel Pivot HAS special features FreeSync2 0 144hz 지원 NVIDIA G Sync Compatible 240Hz 지원 Brightness Typ 350cd m2 350cd m2 Contrast Ratio Static 3000 1 Typ 2400 1 Min 2 500 1 Typ HDR VESA DisplayHDR 600 VESA DisplayH...

Page 13: ...itch Yes of Displayport Input 1 2 Version of Displayport Input 1 2 1 4 of HDMI Input 2 1 Version of HDMI Input 1 4 2 0 Headphone 1 1 USB Hub 1 Yes Version of USB 3 0 3 0 of USB Down Port 2 2 Type Internal External External 27inches 100W External Adaptor 32inches 140W External Adaptor Label Rating LED Sticker TCO Epeat Energy Star No NVIDIA G Sync FreeSync USB 3 0 Up Cable Yes Yes 1 5m ...

Page 14: ...sories LC27 LC32 Product Description Code No Remark Power cord Reference Electrical Parts List in Exploded View Samsung Electronics Service Center USB Cable DP Cable Adaptor CD User Manual Warranty guide Regulatory guide Quick Setup Guide ...

Page 15: ... quality on AOS game screen sRGB Adjust the color system to sRGB mode Standard mode for this monitor AOS Image quality mode that emphasizes contrast ratio to provide optimized image quality on AOS game screen Video contrast control This mode is used to balance brightness through automatic contrast control AV mode By connecting external input via HDMI DP and setting PC AV mode to AV screen mode pro...

Page 16: ...ring and delays during games Depending on the compatibility with the product model and the NVIDIA graphics card the adaptive sync menu items displayed in the product may be different Off The Adaptive Sync function is turned off On Use additional synchronization at a higher screen frame rate This mode reduces screen tear However intermittent screen flashes may occur during game play When using this...

Page 17: ...e GTX 10 series GeForce RTX 29 series When using Adaptive Sync for the first time update the NVIDIA driver to the latest If Adaptive Sync G Sync settings cannot be automatically set after updating set it as described below and use it 1 Click the NVIDIA control panel on the desktop 2 Enter the G SYNC Settings item and check the item as shown below When you connect the Adaptive Sync menu to an AMD g...

Page 18: ...ature during the game may cause the following phenomena Depending on the type of graphics card or the video that is set or played by game the blinking may occur Lower or enable options for game settings Set the in progress FreeSync mode as the default engine log on to AMD homepage to check the latest graphics driver version and update it When using FreeSync screen blinking may occur due to output ...

Page 19: ...ns How to set FreeSync 1 On the OSD menu set FreeSync as the default or Ultimate engine 2 Set FreeSync in AMD Radeon Settings Right click AMD Radeon Settings Display The AMD FreeSync function must be set to On If not set to On ...

Page 20: ...ON it appears to be in motion and you can select a color from the color menu On the Lighting menu you can select Off Front Back and Back On the Light Effect menu monochrome fixation rainbow blinking Quick blinking can be selected during breath In the Color menu a variety of color selections are available as shown in the figure on the right ...

Page 21: ...on s eyes following a video to measure the trailing level of the image moving on the camera to calculate response speed People Eyes Camera How to measure MPRT Measures the trailing level of a pattern moving through the camera and mirror as a brightness change value to measure changes from 10 90 and time as response speed Camera Mirror 1 Measures moving pattern 2 Records trailing during movement 3 ...

Page 22: ...y in intervals without trailing for panel back light unit operation to provide users with a sharp picture without trailing TN panels the most advantageous for LCD liquid crystal speed can also trail during fast video but during impulsive scanning the back light for the trailing part of the liquid crystal is off so trailing is reduced and the picture is sharp Response Time Spec Response Time Respon...

Page 23: ...r TV LFD Samsung Color Calibration Service 1 0 Samsung Color Calibration Service 1 0 Calibration Service Tool for Samsung Electronics service for image quality correction and calibration report reissue after product panel main board replacement service according to MGA calibration application from 2016 monitor 7 series or more MGA Calibration SW is connected to the image quality meter I1 display P...

Page 24: ...f the PC and the service jack of the product to the cable You must connect the USB high speed charging terminal to the Service Jack No DP HDMI signal connection 3 Connect Samsung Electronics Service Image Quality Measurement I1 Display Pro to USB of PC In SW the instrument connection information is automatically recognized 4 Attach the image quality meter to the center of the monitor screen ...

Page 25: ... case of connection failure click the Options button to check which equipment is the problem and reconnect 6 Select the service option panel replacement or main board replacement and UI and report issuing language Enter the monitor model name and SN 7 If you select to replace the panel select the file with the Calibration Setting value entered 8 When Start Calibration is executed Calibration is ex...

Page 26: ...D menu of set Menu Picture Calibration Report INPUT LAG DEFINITION AND MEASUREMENT METHOD OF INPUT LAG INPUT LAG DEFINITION Input delay occurs between the input signal and output from the device INPUT LAG MEASURING METHOD 1 The G75T monitor is set to 240 Hz 2 With the signal generator enter the TEST SIGNAL where the white BOX blinks as shown in the figure next to it 3 On the screen of the monitor ...

Page 27: ...nstruments to pry apart the cabinet When disassembling the product do not use any metal tools except for the provided jig For information about purchasing arts and jigs for EU region please visit http www samsung com support Samsung ASC can purchase listed Jigs on GSPN BH81 00001A 3 1 Disassembly Description Picture Description Screws 1 ARENA LENS DISASSEMBLY Hold the ARENA LENS with two hands and...

Page 28: ...ts Disassemble the stand and the torso At this time SCREW is not decomposed and is fixed to Standby with release Zig available for Cover Rear disassembly Delphinus BH81 00001A 6001 003016 4 Unlock one SCREW Decompose the stand torso and Neck 5 Lift it slightly up disconnect the stand 6 Stand decomposition complete ...

Page 29: ...groove red circle notation position and lift it until you hear the decomposition sound to disassemble some of the snaps BH81 00001A Delphinus Jig 8 Lift JIG to secure space 9 COVER REAR DISASSEMBLY Use a jig to lift the locking point on the side BH81 00001A Delphinus Jig 10 Lift it in the direction of the arrow and completely disassemble the COVER REAR ...

Page 30: ...6 CABLE plugs on the MAIN PCB 6001 003016 12 You can unscrew two screws to disassemble the LED PCB 13 Disassemble the two screws to disconnect the MAIN Bracket and then lift the assembly point of the MAIN Bracket in the direction of the arrow 14 Turn the separated MAIN Bracket over Disassemble the three screws ...

Page 31: ...e the terminal part attached to the bottom 16 Check the attachment status of the GaP pad during decomposition decomposition complete GAP PAD imprints must be carefully assembled when reassembling Heat generation may occur during misassembly 17 JOG PCB DISASSEMBLY Disassemble FUNCTION by lifting it in the direction of the arrow ...

Page 32: ...ews 18 COVER REAR BOTTOM DISASSEMBLY Disassemble one CABLE plugged into the source PCB 19 Disassemble the cable while pressing the corresponding arrow portion 20 BOTTOM LED PCB DISASSEMBLY Disassemble the bottom LED PCB in the direction of the arrow Monitor left right ...

Page 33: ...OM CASE from both ends and disassemble it 22 decomposition complete Note Reassembly procedures are in the reverse order of disassembly procedures The exterior may differ depending on the product Focus Management Items for Work Hang the wire on the specified Guide Rib for 6 points Attach TAPE to Wire at 2 points ...

Page 34: ...0 x 1440 144 Hz Display Port 2560 x 1440 144 Hz 2 If the screen is blank check whether the power cord is connected correctly 3 Circuit that needs to be checked When nothing is displayed on screen Function PBA Main PBA When Function light turns on but LED Backlight doesn t come on LED Driver When Backlight turns on but W R G B Test Pattern is displayed LVDS Cable 4 Press the MENU button and change ...

Page 35: ... Check the Main board Power Diagnostics Check the connection status of the single cable Yes Is DC 22V measured at Pin 2 of IC202 No Check the circuits related to CN201 and IC202 Yes When DC 22V is measured at Pin2 are DC 5V measured at TP_5V No Check the circuits around to IC202 Yes Is appropriate power supplied to each power ICs of the board No Check the circuits around IC201 IC301 IC302 Q302 Q30...

Page 36: ...4 3 Troubleshooting Location of Parts Main Board ...

Page 37: ... connected to the main board Diagnostics Check the connection status of the signal cable Yes Does X1001 properly vibrate No Check and replace the circuits related to X1001 Yes Is Pin 18 of CN301 generate correct voltage No Check CN301 s connection cable Yes Check output signal of R418_H1 R425_H1 No Check the circuits around IC400 Yes Is DC 12V measured at Pin 46 51 of CN1401 No Check PANEL_12V_PW ...

Page 38: ...4 5 Troubleshooting Location of Parts Main Board ...

Page 39: ...on status of the signal cable Yes Does X1001 properly vibrate No Check and replace the circuits related to X1001 Yes Is input signal of CN401 ok No Check the circuits around CN401 Yes Can you check output signal at TP of CN1401 No Check the circuits around CN1401 Yes Is DC 12V measured on Pin 46 51 of CN1401 No Check PANEL_12V_PW Yes Check the panel and replace the main board Caution Make sure to ...

Page 40: ...4 7 Troubleshooting Location of Parts Main Board ...

Page 41: ...panel is connected correctly to the Main board Diagnostics Check the connection status of the signal cable Yes Does X1001 properly vibrate No Check and replace the circuits related to X1001 Yes Is input signal of CN401 ok No Check the circuits around CN402 Yes Can you check output signal at TP of CN1401 No Check the circuits around CN1401 Yes Is DC 12V measured on Pin 46 51 of CN1401 No Check PANE...

Page 42: ...4 9 Troubleshooting Location of Parts Main Board ...

Page 43: ...er and re connect or replace the internal function cable Symptom When monitor is turned on the display is black regardless of the signal Full Black Pattern is typical symptom when there is no video supply Cause This error occurs due to connection failure of LVDS cable which only supplies lamp power to the panel and not the video signal Action Re connect or replace the LVDS cable so that video sign...

Page 44: ...per MCU code for the model has been entered 4 Enter Service mode to select reset and turn off the monitor Be aware that when resetting in service mode all data is reset The user s saved game settings 1 2 3 are deleted In general OSD modes users saved game settings 1 2 3 are not deleted Service mode reset Set OSD menu brightness to 0 then hold the enter key for 5 sec DDC EDIT Data Input 1 Use when ...

Page 45: ...n 3 Safe Mode When the input signal is higher than the supported frequency of the product safe mode gives users some time one minute to change the video card settings to the Recommended Mode settings Service Function Monitor On Time X Hr Panel information Panel Ch No 0 On Time X Hr Cycle X Pixelshift Off Select the PixelShift option Country English Country HotPlug Time 0 Power Off Scaler MCU MSTAR...

Page 46: ... for five 5 seconds 2 The Ch No is incremented by 1 and then both the On Time and Cycle are set to 0 Service Function Monitor On Time X Hr Panel Ch No 0 This number is incremented by 1 On Time X Hr Cycle X Pixelshift Off Country English HotPlug Time 0 Power Off Scaler MCU MSTAR MST9804 Version M F7724CCAA XXXX X Checksun 13AF ...

Page 47: ...hecking Changing the Version 1 Download the WINDDCU file 2 Click the INSTALL file 3 Click OK 4 The installation file is executed 5 Click OK to finish the installation process 6 Connect MTI 2510 to the monitor using a USB cable Next click the winDDCU icon to start the program ...

Page 48: ... 15 Troubleshooting 7 Click the System Upgrade tab and check that the Current System File Version is the most recent 8 If winDDCU is an Old Version go to the System Upgrade tab and click Load System File ...

Page 49: ...4 16 Troubleshooting 9 In the Open window displayed select the C winDDCU folder 10 Select the C winDDCU SystemFile folder 11 Open the C winDDCU SystemFile V1 31 folder and select the DDCManSys hex file ...

Page 50: ...g 12 When Load File OK is displayed click START System Upgrade 13 When System Upgrade OK and System File Upgrade is completed are displayed click OK 14 After a system upgrade ensure you close winDDCU and then run it again ...

Page 51: ...ddc files at the same time WinISP This option is used to perform a MICOM upgrade EEPROM Writer This option is used to perform an EEPROM upgrade IR Transmitter This option creates all the IR data on the PC and transmits the data to the monitor using the device MTI 2510 System Upgrade This option is used to upgrade or downgrade the system version using a System Hex file EDID Writer Menus Selects an ...

Page 52: ...ons of writing reading and modifying data Barcode Write mode Reads a serial number in barcode and directly performs writing EDID Write method 1 Click Load File to select input ddc file EDID HDMI 1 C49HG90H1 ddc HDMI 2 C49HG90H2 ddc DisplayPort C49HG90D ddc No extra input required 1 4 3 5 2 Select an input port and mode Do not forget to check these fields 2 Check that Loading OK is displayed and cl...

Page 53: ...4 20 Troubleshooting 3 Write complete which is virtually complete state 4 Verify Run completed By implementing the Verify You do not need to run the Write bother Validation procedure ...

Page 54: ... Backup 1 Select Read in the EDID Writer tab 2 Enter the file name to save the backup data in 3 The DDC data backup is complete Case which requires DDC Backup When large number of same models are in use check if DDC file is faulty ...

Page 55: ... 2 Device Type SE15G01 MST 3 Communication Port DDC manager input port 4 External Memory W25X32B 1 Choose from MICOM manufacturer Manufacture 2 Select the Device Type 3 Choose your input Port 4 Select the amount of memory in the External Memory System will use the 1 31 version and above 1 2 3 4 ...

Page 56: ...4 23 Troubleshooting WinISP Input Method 1 Double check the item settings marked in the following picture 2 Select Load File to select Micom input file ...

Page 57: ...4 24 Troubleshooting 3 Execute Auto Program 4 The WinISP input will be completed ...

Page 58: ...4 25 Troubleshooting 5 Execute Verify when the input is completed 6 You can check the Verify OK status ...

Page 59: ...eshooting Error Messages 1 If the USB cable on MTI 2510 is disconnected or has contact failure following message appears 2 If the adapter or HDMI cable is not connected to the MAIN Board following message appears ...

Page 60: ...ext release switch 2 Checklist in the occurrence of an error when entering DDC data 1 Check that the system version has been upgraded after resetting MTI 2510 Resetting MTI 2510 always changes the winDDCU program to the factory version 1 01 automatically 2 Check the DDC input port Analog DVI HDMI 3 Check the DDC input file Analog DVI HDMI 4 Activate the factory service mode and re enter the DDC da...

Page 61: ...5 1 Wiring Diagram 5 Wiring Diagram 5 1 Wiring Diagram ...

Page 62: ...5 2 Wiring Diagram 5 2 Block Diagram ...

Page 63: ...5 3 Wiring Diagram 5 3 Board Connection Main Board ...

Page 64: ...N C 14 EDP1_TX0 40 DGND 15 EDP1_TX0 41 N C 16 DGND 42 N C 17 EHPD1 43 N C 18 DGND 44 N C 19 EHPD0 45 N C 20 DGND 46 12V 21 EDP0_AUX 47 12V 22 EDP0_AUX 48 12V 23 DGND 49 12V 24 EDP0_TX3 50 12V 25 EDP0_TX3 51 12V 26 DGND CN1601 LED DRIVER 1 LED1 7 LED5 2 VLED1 8 VLED1 3 LED2 9 LED6 4 LED3 10 LED7 5 VLED1 11 VLED1 6 LED4 12 LED8 CN1801 ARENA LIGHT_REAR 1 3 3V 4 ARENA1_R 2 3 3V 5 ARENA1_G 3 3 3V 6 ARE...

Page 65: ... occurred CN901 It is connected to the Function Board If it is out of order No LED or Function failure error may occurred CN301 HDMI signal input connector If it is out of order No HDMI Output error may occurred CN401 CN402 DisplayPort signal input connector If it is out of order No DisplayPort Output error may occurred CN801 Headphone output connector If it is out of order No Headphone Output err...

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