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Table of Contents
Related Manuals for Samsung Odyssey G7 LC27G7 T Series
Summary of Contents for Samsung Odyssey G7 LC27G7 T Series
- Page 1 Gaming Monitor Chassis Model LC27G7*T LK00 LC32G7*T SERVICE Manual Gaming Monitor Contents 1. Precautions 2. Product specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Wiring Diagram G75T Refer to the service manual in the GSPN (see the rear cover) for the more information.
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Page 2: Table Of Contents
Contents 1. Precautions 1-1. Safety Precautions .........................1-1 1-1-1. Servicing the Product ......................1-1 1-1-2. Fire and Shock Hazard ......................1-1 1-1-3. Product Safety Notices .......................1-2 1-2. Servicing Precautions ........................1-3 1-2-1. General Servicing Precautions ...................1-3 1-3. Static Electricity Precautions ......................1-4 1-4. Installation Precautions ........................1-5 2. - Page 3 4. Troubleshooting 4-1. Previous check ..........................4-1 4-2. How to check fault symptom ......................4-2 4-2-1. When the Power Does Not Turn On ...................4-2 4-2-2. When a blank screen is displayed (HDMI1) ...............4-4 4-2-3. When a blank screen is displayed (DisplayPort 1) ............4-6 4-2-4.
- Page 4 E.Asia, W.Asia, https://gspn2.samsungcsportal.com China, Japan N.America, S.America https://gspn3.samsungcsportal.com This Service Manual is a property of Samsung Electronics Co.,Ltd. © 2020 Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under All rights reserved. applicable International and/or domestic law.
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Page 5: Precautions
Precautions 1. Precautions 1-1. Safety Precautions • Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. • For continued safety, do not attempt to modify the circuit board. • Disconnect the AC power and DC power jack before servicing. Warning 1-1-1. -
Page 6: Product Safety Notices
Precautions 1-1-3. Product Safety Notices • Some electrical and mechanical parts have special safetyrelated characteristics which are often not evident from visual inspection. The protection they give may not be obtained by replacing them with components rated for higher voltage, wattage, etc. -
Page 7: Servicing Precautions
• Following the repair by a non-authorised service provider, self-repair or non-professional repair of the product, Samsung is not liable for any damage to the product, any injury or any other product safety issue caused by any attempt to repair the product which does not carefully follow these repair and maintenance instructions. -
Page 8: Static Electricity Precautions
Precautions 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. 1. -
Page 9: Installation Precautions
Precautions 1-4. Installation Precautions 1. For safety reasons, more than a people are required for carrying the product. 2. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. 3. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause fire. -
Page 10: Product Specifications
Product specifications 2. Product specifications 2-1. Model Comparison Front View Detail View Front Color Silver Without Stand 614.6 x382.8 x 171.0 mm / 5.5kg Dimensions 27" With Stand 614.6 x 576.0 x 305.2 mm / 7.2 kg (W x H x D) Without Stand 710.1 x 439.1 x 187.1 mm / 6.5 kg Weight... -
Page 11: Feature & Specifications
Product specifications 2-2. Feature & Specifications Model Name C27G7*T* / C32G7*T* Features - Strengthening the experience of gaming immersion by applying the world’s first highest curvature 1000R - The higher the curve curvature, the lower the fatigue of the eyes. : Flat >... -
Page 12: Specification Comparison To Old Models
Product specifications 2-3. Specification Comparison to Old Models • O : Supported / X : Not Supported Item CHG7 (C27HG7) G75T (C27G7*T* / C32G7*T*) Design Screen size 27” (3840x2160) 27” (2560x1440) / 32” (2560X1440) Screen ratio 16:9 16:9 Curvature 1800R 1000R input HDMI x 2 / DisplayPort x 1... - Page 13 Product specifications Item CHG7 (C27HG7) G75T (C27G7*T* / C32G7*T*) Picture-by-picture FreeSync2 Yes(HDMI: 48~144Hz, DP: 48~240Hz) G-Sync NVIDIA G-Sync Compatible Auto Source Switch # of Displayport Input Version of Displayport Input # of HDMI Input Version of HDMI Input Headphone USB Hub Version of USB # of USB Down Port Type (Internal/External)
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Page 14: Accessories
Product specifications 2-4. Accessories ■ LC27* / LC32* Product Description Code. No Remark Power cord USB Cable DP Cable Adaptor Reference Electrical Parts List Samsung Electronics in Exploded View Service Center CD User Manual Warranty guide Regulatory guide Quick Setup Guide... -
Page 15: About New Features
Product specifications 2-5. About New Features 2-5-1. Picture Mode Provides an optimal screen suitable for a variety of working environments. - Unavailable menu when eye protection mode is set. - This menu is not available when an echo saving plus is set. ■... -
Page 16: Screen Scanning Rate
Product specifications 2-5-2. Screen scanning rate Change the screen scan rate on the screen. High screen scanning rate reduces eye fatigue. • HDMI : 60Hz / 120 Hz/ 144HZ • DisplayPort1, DisplayPort2: 60Hz / 120 Hz/ 144HZ / 240Hz - This menu is not available when Adaptive-Sync is set. - When the screen scan rate is changed by the graphics card specification of the PC, screen blinking may occur. - Page 17 Product specifications ■ Graphics card model supporting Adaptive-Sync function The Adaptive-Sync feature is available only for specific NVIDIA graphics card models. Refer to the following list for supported graphics cards. • GeForce GTX 10 series • GeForce RTX 29 series ※...
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Page 18: Freesync
Product specifications 2-5-4. FreeSync FreeSync is a technology that eliminates screen cracking without common delays or latency. This feature removes screen crashes or delays while the game is running. Improve your game environment. Depending on the model you purchased, the FreeSync menu of the monitor OSD may be different because it is compatible with the AMD graphics card. - Page 19 Product specifications ■ 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 ’. 2-10...
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Page 20: Core Lighting
Product specifications 2-5-5. Core Lighting You can turn the LED behind the screen on or off. System - You can select ON / OFF. . - If you select 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. -
Page 21: Mprt
Product specifications 2-5-6. MPRT „ Basic principles of MPRT MPRT (motion picture response time) video response speed • A video response measurement technique in which a camera mirror is moved at the same speed as a pattern moving at a set speed like a person's eyes following a video to measure the trailing level of the image moving on the camera to calculate response speed Camera... - Page 22 MPRT technology for the game monitor (impulsive scanning) • This is a technology that analyzes the liquid crystal action timing of VA panels used in Samsung curved monitors in detail to improve sharpness and trailing during quickly-moving games and realizes impulsive scanning only in intervals without trailing for panel back light unit operation to provide users with a sharp picture without trailing.
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Page 23: Mga Calibration
/ 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 Pro) of Samsung Service Center to correct the image quality and reflect the result value in the set. - Page 24 - 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.
- Page 25 Product specifications 5. Run Connect Device to connect the set with the PC. The connection is completed when the green light is turned on and the connected message is displayed as shown below. (Within 10 seconds) In case of connection failure, click the Options button to check which equipment is the problem and reconnect.
- Page 26 Product specifications 9. When all the adjustments are completed, complete by showing the “Calibration is Completed” message as below. - When the “Fail” message occurs, check the connection status of the instrument or the status of the set. 10. After calibration adjustment is completed, Calibration Report is provided in the OSD menu of set. - Menu >...
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Page 27: Disassembly And Reassemble
Caution • 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. - Page 28 Disassembly and Reassemble Description Picture Description Screws [Stand DISASSEMBLY] Release four SCREW points, Disassemble the stand and the torso. At this time, SCREW is not decomposed and is fixed to 6001-003016 Standby with release. ※ Zig available for Cover Rear disassembly: Delphinus (BH81-00001A) Unlock one SCREW.
- Page 29 Disassembly and Reassemble Description Picture Description Screws [Cover Rear DISASSEMBLY] Put the JIG into the SET left / right bottom decomposition groove (red circle notation position) and lift it until you hear the BH81-00001A decomposition sound to disassemble some (Delphinus Jig) of the snaps.
- Page 30 Disassembly and Reassemble Description Picture Description Screws [Main PCB DISASSEMBLY] Disassemble the 6 CABLE plugs on the MAIN PCB. 6001-003016 You can unscrew two screws to disassemble the LED PCB. 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.
- Page 31 Disassembly and Reassemble Description Picture Description Screws After lifting the top portion of the board, disassemble the terminal part attached to the bottom. Check the attachment status of the GaP pad during decomposition. decomposition complete. ※ GAP PAD imprints must be carefully assembled when reassembling.
- Page 32 Disassembly and Reassemble Description Picture Description Screws [COVER REAR BOTTOM DISASSEMBLY] Disassemble one CABLE plugged into the source PCB. Disassemble the cable while pressing the corresponding arrow portion. [BOTTOM LED PCB DISASSEMBLY] Disassemble the bottom LED PCB in the direction of the arrow. (Monitor left / right)
- Page 33 Disassembly and Reassemble Description Picture Description Screws [BOTTOM CASE DISASSEMBLY] Lift the BOTTOM CASE from both ends and disassemble it. decomposition complete • Reassembly procedures are in the reverse order of disassembly procedures. • The exterior may differ depending on the product. Note Focus Management Items for Work •...
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Page 34: Troubleshooting
Troubleshooting 4. Troubleshooting 4-1. Previous check 1. Set custom mode as follows before beginning a repair. Persuasive H-frequency HDMI : 30 ~ 214 kHz Display Port : 30 ~ 214 kHz V-frequency HDMI : 50 ~ 144 Hz Display Port : 50 ~ 240 Hz Resolution Optimal HDMI : 2560 x 1440 @ 144 Hz... -
Page 35: How To Check Fault Symptom
Troubleshooting 4-2. How to check fault symptom 4-2-1. When the Power Does Not Turn On • The LED on the front panel of the monitor does not work when the power is connected and the Power Symptom button is pressed. •... - Page 36 Troubleshooting „ Location of Parts Main Board...
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Page 37: When A Blank Screen Is Displayed (Hdmi1)
Troubleshooting 4-2-2. When a blank screen is displayed (HDMI1) Symptom • Even though the LED power turns on, the screen is blank when connecting the HDMI cable • Check the HDMI cable connections. Major • Check if the eDP cable is properly connected to the panel. checkpoints •... - Page 38 Troubleshooting „ Location of Parts Main Board...
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Page 39: When A Blank Screen Is Displayed (Displayport 1)
Troubleshooting 4-2-3. When a blank screen is displayed (DisplayPort 1) Symptom • Even though the LED power turns on, the screen is blank when connecting the DP cable • Check the DisplayPort cable connections. Major • Check whether the LVDS cable is connected correctly to the panel. checkpoints •... - Page 40 Troubleshooting „ Location of Parts Main Board...
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Page 41: When A Blank Screen Is Displayed (Displayport 2)
Troubleshooting 4-2-4. When a blank screen is displayed (DisplayPort 2) Symptom • Even though the LED power turns on, the screen is blank when connecting the DP cable • Check the DisplayPort cable connections. Major • Check whether the LVDS cable is connected correctly to the panel. checkpoints •... - Page 42 Troubleshooting „ Location of Parts Main Board...
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Page 43: Error Examples And Actions
Troubleshooting 4-3. Error Examples and Actions Error Appearance Symptoms and Actions Remarks Symptom When monitor's power is on, nothing is displayed Refer to training on the screen regardless of the signal. manual for DDC input method Cause External adapter's power is not connected, or contact failure of internal function cable. -
Page 44: Adjustment
1. Use when updating the AD board code. 2. Download the WinDDC program, DDC Input program, and Hex and DDC files appropriate to the model through the Quality Control department of Samsung Electronics. Install the jig and input the data, as shown in the figure. HDMI Connected to the computer USB port •... -
Page 45: Service Function
Troubleshooting 4-4-2. Service Function „ Checking the Code Version 1. Input SVC mode and check the MCU code version and checksum. 2. Enter SVC mode. - Set the Brightness and Contrast ratio to '0'. - Press and hold the Enter button for 5 seconds. - SVC Function OSD is displayed. - Page 46 Troubleshooting „ When replacing the panel 1. After replacing the panel, move to the Panel item and hold down the LEFT button 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...
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Page 47: Entering Win Ddc Data
Troubleshooting 4-4-3. Entering WIN DDC Data „ Installing WIN DDC and Checking/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. - Page 48 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". 4-15...
- Page 49 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. 4-16...
- Page 50 Troubleshooting 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. 4-17...
- Page 51 Troubleshooting „ Entering DDC Data winDDCU Pop-up Menus Pop-up Menus Instructions This option writes and verifies an EDID data (*.ddc) file on the monitor via a PC. EDID Writer It is mainly used to enter a single EDID data (*.ddc) file. EDID Multi-Writer This option is used to enter details of multiple (up to 6) EDID data (*.ddc) files at the same time.
- Page 52 Troubleshooting EDID Writer Modes • Factory Write mode : Writes and verifies EDID data (this mode is most-frequently used) • Quality Read mode : Performs reading data only • Manager Edit mode : Performs all the functions of writing, reading and modifying data •...
- Page 53 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) 4-20...
- Page 54 Troubleshooting DDC Data 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 4-21...
- Page 55 Troubleshooting „ MICOM input method WinISP Menus Category Item Setting Manufacture MSTAR Device Type SE15G01- MST Communication Port DDC manager input port External Memory W25X32B 1. Choose from MICOM manufacturer "Manufacture". 2. Select the "Device Type". 3. Choose your input Port. 4.
- Page 56 Troubleshooting WinISP Input Method 1. Double-check the item settings marked in the following picture. 2. Select "Load File" to select Micom input file. 4-23...
- Page 57 Troubleshooting 3. Execute "Auto Program". 4. The WinISP input will be completed. 4-24...
- Page 58 Troubleshooting 5. Execute Verify when the input is completed. 6. You can check the "Verify → OK" status. 4-25...
- Page 59 Troubleshooting 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.. 4-26...
- Page 60 Troubleshooting „ Resetting MTI-2510 Sequence of switches 1. Connect MTI-2510 to the product using a USB cable, and press switch 2. 2. With switch 2 pressed down, press switch 1 lightly and release. Next, release switch 2. Checklist in the occurrence of an error when entering DDC data 1.
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Page 61: Wiring Diagram
Wiring Diagram 5. Wiring Diagram 5-1. Wiring Diagram... -
Page 62: Block Diagram
Wiring Diagram 5-2. Block Diagram... -
Page 63: Board Connection
Wiring Diagram 5-3. Board Connection Main Board... - Page 64 Wiring Diagram CN901(Function) CN1601(LED DRIVER) KEY_GND KEY_LED LED1 LED5 KEY2 VLED1 VLED1 KEY1 LED2 LED6 LED3 LED7 CN1401(LVDS) VLED1 VLED1 DGND EDP0_TX2- LED4 LED8 EDP0_TX2+ CN1801(ARENA LIGHT_REAR) EDP_AUX+ DGND 3.3V ARENA1_R EDP_AUX- EDP0_TX1- 3.3V ARENA1_G EDP1_TX3- EDP0_TX1+ 3.3V ARENA1_B EDP1_TX3+ DGND DGND EDP0_TX0-...
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Page 65: Connector Functions
Wiring Diagram 5-4. Connector Functions Functions Loc. No. Adaptor supplies 14V to the Main Board. CN201 • If it is out of order : No Power The Main Board sends an LVDS signal to the panel. CN1401 • If it is out of order : Blank Screen The LED driver circuit sends the LED drive current to the LEDs on the panel.