Service Manual ViewSonic VSD241/SD-A245/ CDS245 series Model No. VS15197 Smart Display (VSD241_SD-A245_CDS245_SM Rev. 1a. Aug. 2013) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...
Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes.
Products powered by electricity should be serviced or repaired only by professional technicians. Any attempt to service or repair the product or products dealt within this service manual by anyone else could result in serious injury or death. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
3. Power supply requirements The attached external power adaptor with the AC power cord is necessary for the smart monitor. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
Microphone Internal MIC x1, digital type Speakers 2W x 2 Input: 100~240VAC, 50/60Hz AC adapter Output: DC Jack 19V, 3.42A On mode: 48W (Typical) Power Consumption Sleep Mode: 0.55W Off mode: 0.53W ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
1.3 LED indicator Power Status LED Behavior Scaler Amber Blue Off (SOC Off) Off (shutdown) Saving (HDMI) Saving Normal (On)(HDMI) Normal (On) Normal (On)(Main) Reboot Off (SOC Saving) Saving Factory mode Normal (On) ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
Slider / 0-100 OSD POSITION OSD V. POSITION Slider / 0-100 SETUP MENU OSD TIME OUT 5/15/30/60 (sec) OSD BACKGROUND (note 2) TOUCH SCREEN Enable/Disable Enable POWER INDICATOR LED On/Off MEMORY RECALL ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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On The Hunt DEVICE Palladium Sound Pixie Dust Pizzicato System Plastic Pipe Fluorine Fluorine Polaris Pollux Procyon Proxima Radon Rubidium Selenium Shaula Space Seed Spica Strontium Ta Da Tejat Thallium Tinkerbell Tweeters Upsilon Vega ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Password Make passwords visible Security Device Administration PERSONAL Device administrator Unknown Source Credential Storage Trusted credentials Install form SD card Language & input Language English English Spell Checker Personal dictionary ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Bluetooth address , Up time Legal information Legal information Model number VSD241 Android version 4.2.1 About tablet 3.1.10-gccee096 pobu-build-server@pobu-bu Kernel version ild-server-desktop#1 MM-DD HH:MM-SS CST 2013 Scaler version N2A.13 FW version en_US ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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VSCN: zh_HK Serial number Base on VS SKU table ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
5. Schematic Diagrams SCHEMATIC DIAGRAM Index of this chapter: 5-1. Main Board 5-2. MIC Board ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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ULPI_DIR T206 UART4: For SQA ULPI_NXT T207 ULPI_STP T208 Note: 'EN_VDD_SDMMC1' reserved for power gating DAP3_DIN DAP3_DOUT GPIO DAP3_FS DAP3_SCLK NFC_EN_GPIO AP_ONKEY* Wake GPIO_PV0 AP_ONKEY* For AP_ONKEY# Wake GPIO_PV1 For AP_ACOK# T209 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
6. Layout Side View LAYOUT SIDE VIEW Index of this chapter: 6-1. Main Board 6-2. MIC Board ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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6-1. Main Board ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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6-2. MIC Board DA0UI1TB4B0 REV:B PROJECT PROJECT PROJECT PROJECT PROJECT PROJECT SK_TOP UI1-MIC DATE DATE DATE DATE DATE DATE LAYER LAYER LAYER LAYER LAYER LAYER 16.5 04/22/13' REV. REV. REV. REV. REV. REV. DA0UI1TB4B0 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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PROJECT PROJECT PROJECT PROJECT PROJECT PROJECT UI1-MIC DATE DATE DATE DATE DATE DATE LAYER LAYER LAYER LAYER LAYER LAYER 16.5 04/22/13' REV. REV. REV. REV. REV. REV. DA0UI1TB4B0 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
(1) Make sure the USB cable is connected properly USB Function USB anomaly (2) Check MB (1) Make sure the RJ45 cable is connected properly LAN Function LAN anomaly (2) Check MB ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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8-1. Touch SOP Touch Screen Trouble Shooting Guide ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Save the time and money spent in the shipment of fail samples and traffic. A better way to help customer identify the defects and tune the processes. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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2 or 3 sensor cables.(depending on models) 3. Any components damaged, foreign matters cover sensor and reflector, and other causes affect image quality, they will further affect touch function. System Controller Cable Board Sensor Sensor Cable Cable Sensor ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Function abnormal (Broken drawing line or partial area no function) Exchange the potential fail component by a good one to focus the fail part Controller board fail Glass sensor module fail Back to Flowchart ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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If the LED is working normal, it looks like a bright purple spot. If the LED is off, focus the inspection on that camera module and the connection of it. Back to Flowchart ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Check the HID of touch screen is installed in the OS. 0408, PID is depend on model) If the device is detected, it means the controller board and USB connection is normal. Back to Flowchart ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Inspect all connectors is complete and all pins in the connectors are not bent. Test the cables by a multimeter to check all wires in the cables are connecting normal. Sensor Sensor Connector Cable Controller Connector Cable Back to Flowchart ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Because the calibration data of all touch modules are different, be sure to pair the controller board and glass module correctly. Mismatch will cause touch function inaccuracy. Controller Glass Board Module Back to Flowchart ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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A calibration function is build in Windows OS, but wrong calibration setting will cause touch inaccuracy. Clean the calibration data and retest, when the touch screen is panel. Reset Back to Flowchart ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Force Force Force Force Force Force Light is scattered by bending glass The signal/noise rate will be lower and affect the accuracy Force Force Back to Flowchart ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Components are all normal on PCB board. The cables of the camera modules are all complete and not broken. Lens of camera modules are complete and not covered by objects. broken Transmitter Burn out Next Page ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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The CID document is the standard for appearance inspection The reflector is complete and fixed on glass. The protection film is flat or removed. CID Document Reflector Fall off Reflector Fall off Protection Film Back to Flowchart ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Design Guide and Check List: The document describe the design rules of the touch module, including optical, mechanical and EE parts. Customer should follow the design guide to make sure the design is good for optical touch. Back to Flowchart ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
9. Assembly And Disassembly ASSEMBLY AND DISASSEMBLY Index of this chapter: 9-1. Assembly SOP 9-2. Disassembly SOP ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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The glass assembly must in clean room (Step 1~ Step 5) • The VHB place stick with glass. • Operator clear the metal edge for panel Set short tape for rework and using low viscous tape to stick BKT ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Give the pressure on tape for adhive. The VHB place stick with glass JXUI1002010 TAPE LONG 3M2638 UI1A JXUI1003010 TAPE SHORT 3M2638 UI1A ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 3 Checking the glass , touch module and reflect without any appearance’s damage. Using the jig to stick glass and panel ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Make sure there is no dust between panel and To fix the glass and remove the releasing paper of touch sensor module. tape. Using Tool to stick camera Base and Glass. 3LUI1BA0000 3LUI1BA0000 UI1 CAMERA BASE ASSY ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 5 Please don’t cover the camera with To fixed to Glass with Gasket. Gasket and stick along with touch camera. GBUI1006010 GASKET TOUCH UI1A ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Please refer below picture to assemble to make sure the operation will not crack the Putting Bezel on protective pads touch camera. 25UI1LAVS00 34UI1LBVS00 34UI1LBVS00 UI1A LCD BEZEL SUB ASSY 25UI1LAVS00 UI1A LCD WITH TOUCH PANEL ASSY ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Assy(M3 Screw) Refer these pictures , along dotted line to put Rubber. MS30050ITW5 SCREW M3.0*5.0-I (NI)(NYLOK) STEEL JXUI1008010 THERMALPAD FOR HEATSINK UI1A 3CUI1PBVS00 UI1A PANEL BKT SUB ASSY GAUI1004010 RUBBER MB UI1A ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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1. First , assemble Panel BKT Assy and Panel (MS30050FEZ0*4) Fix Dmic and 2. Fix Panel BKT Assy and Bezel (MS25035I020*6) Bezel(MS25035I020*1) Fix Touch Sensor by acetate tape MM30030ICI5 SCREW M3.0*3,I,NI,NYLOK IRON MS25035I020 SCREW M2.5*3.5-I(BZN)(NYLON PATCH)(IRON) ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 9 Remark Backlight Tear off the release paper and align left the KeyPad ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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3. connect D-mic( L&R ) and remark 2. connect Camera Board and remark Stick ACID Tape and don’t block mark Assemble Camera Board and Camera Base 5.Connect LVDS and remark 4.Connect Backlight 6.Connect Button board and remark ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Lock in Panel Top BKT Board Connect touch control board cable and remark (MS25045IIE4*5) and lock-in Control Board (MM30030IJ20*2) FBUI1004010 MM30030IJ20 SCREW M3.0*5.0-I (NI)(NYLOK) STEEL FBUI1004010 PANEL TOP BKT UI1A MS25045IIE4 SCREW M2.5*4.5-I(BNI)(NYLOK) ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Tear off the releaser paper and make sure below area which mark Red couldn't put cables. Lock-in Speaker(MS20030PI30*4) Lock-in BTM BKT(MS20030PI30*4) MS20030PI30 SCREW M2.0*3.0-P(NI)IRON Empty FBUI1011010 BTM BKT UI1A MS25045IIE4 SCREW M2.5*4.5-I(BNI)(NYLOK) ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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JXUI2017010 ACID TAPE 40*30*0.2 UI2(JXUI2017,REV3A) vertical alignment JXUI2016010 ACID TAPE 20*15*0.2 UI2(JXUI2017,REV3A) JXUI1010010 CONDUCTIVE TAPE UI1A Use vinegar adhesive tape to cable and MB ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Lock-in Hinge UI1A CJE Assemble back cover and lock-in Rear Cover (MM40100BCI2*4) and Bezel (MS30050ITW5*9) 35UI1RCVS00 FBUI1006010 35UI1RCVS00 UI1A REAR COVER SUB ASSY MS30050ITW5 SCREW M3.0*5.0-I (NI)(NYLOK) STEEL FBUI1006010 HINGE UI1A CJE MM40100BCI2 SCREW M4*10.0-B(NI,NYLOK) ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 15 Refer below picture to assemble IO Cover EBUG1003010 EBUG1003010 IO COVER UG1 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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9-2. Disassembly SOP Step 1 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 2 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 3 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 4 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 5 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 5 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 6 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Step 7 ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
10. F/W Update F/W UPDATE Index of this chapter: 10-1. Image Update 10-2. FW Update 10-3. EDID Update 10-4. Region Command ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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\NVFlash_PVT_Image\usb_drv_android\android_winusb.inf If you could not find the unknown VSD241, please check if the VSD241 is listed in Portable device category and try to install the driver with the above one. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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7. After the driver has been installed, the image will start to update. If the image is fail to start to update, just re-plug the power cord and process the step 1, 2, 3 & 5. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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10-2. FW update VSD241 Scaler Update SOP Download the Mstar.zip for Scaler tooling driver. EasyWriter programs (for 32 and 64‐bit) and Scaler firmware UI1A_N2A04.zip For Windows 32‐bit, you also need to download the Writer_20130329.7z Extract all the files. Power on the VSD241 and enter into the Android system. Install the Scaler tooling board driver with Mstar.zip 1. Open the Device Manager window Click the Windows Start button , and right‐click the Computer, browser to the Properties and then click the Device Manager. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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2. Connect the Scaler tooling board and VSD241via HDMI cable 3. Connect the Scaler tooling board and NB via USB (Type A to Type B) cable 4. Install Mstar USB Debug Tool (Please process this step for twice for two Mstar USB Debug Tool) Mstar USB Debug Tool ‐> Update Driver Software ‐> Browse ‐> Let me pick a list of device drivers on my computer ‐> Show All Devices ‐> Have Disk ‐> Browse ‐> \Mstar\Cdm20808 ‐> OK ‐> Next ‐> Install ‐> Close ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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5. Install USB Serial Port driver (The same process as step 4.) USB Serial Port ‐> Update Driver Software ‐> Browse ‐> Let me pick a list of device drivers on my computer ‐> Show All Devices ‐> Have Disk ‐> Browse ‐> \Mstar\Cdm20808 ‐> OK ‐> Next ‐> Install ‐> Close (After the driver has been installed) ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Use EasyWriter for Windows 32‐bit 1. Execute EasyWriterV2012.1113_XP_W7_32.exe and process the setup 2. Unzip the Writer_20130329.7z ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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3. Execute Writer_20130329.exe Click OK Select FTDI, and Confirm Change ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Click OK *** You also could go to Option ‐> Setup ISP tool, to select the FDTI. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Go to Option ‐> WP Pin Select Enable PE0 and click Save ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Click ISP ON button Click Load File button ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Select Files of type with Binary File Browse the Scaler firmware. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Click the Auto button to start the Scaler update. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Use EasyWriter for Windows 64‐bit Please use EasyWriter X64 V14 2013.0204.exe to process all the steps. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Check the Scaler firmware version 1. Power on the set and enter into the Android system. 2. Press the power button to enter into sleep mode. The LED indicator becomes amber color. 3. Press Menu and then power button to wake up the set. The LED indicator becomes purple color. (If you are in the Android lock screen, please unlock first.) And press Menu button again. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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10-3. EDID update VSD241 EDID Update SOP Download the TVI_217.zip, PD EDID Tool_1.2.zip and UI1A_VSD241_20130424.zip 1. Power on the set and enter into the Android system. 2. Press the power button to enter into sleep mode. The LED indicator becomes amber color. 3. Press Menu and then power button to wake up the set. The LED indicator becomes purple color. (Scaler Factory mode) (If you are in the Android lock screen, please unlock first.) 4. Connect the Scaler tooling board and NB via USB (Type A to Type B) cable ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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5. Open the Device Manager window Click the Windows Start button , and right‐click the Computer, browser to the Properties and then click the Device Manager. 6. Go to Ports (COM & LPT) and right‐click on the USB Serial Port, select Properties. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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7. Change to Port Settings page ,and click Advanced button. 8. Change the COM Port Number to COM8. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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9. Execute the TVI_217.exe and proceed the installation setup. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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10. After the setup, a window pops up, please click “ This program installed correctly”. 11. Execute the TVI_PD_EDID_Tool_V012.exe ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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12. Click to browse the EDID file (*.ddc) ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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13. Click to start the EDIE update. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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10-4. Region command Region command for VSD241 (For image version which is after NVFlash_UI1A_20D0E) 1. Please download the eng build image. (Ex: NVFlash_UI1A_20D0E_eng.zip) 2. Process the adb reboot forced‐recovery step. 3. Go to the NVFlash_xxx_eng folder and execute nvflash400_1G_eng.bat. The image update will start to proceed. 4. Check USB debugging is enable in Settings > Developer options 5. Connect the VSD241 and NB via Micro USB OTG cable. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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6. Check the region command listed in the bottom of this document. 7. Execute the cmd command from RUN to open up Command prompt window 8. Type “ adb devices” to make sure the USB connection is OK. You will find there is a device displayed under the “ List of devices attached “ 9. If your region is VSD241‐WTA‐US0, please type “ adb shell mmc_access w_region_apk en_US 64 ” (Enter) 10. Process adb reboot forced‐recovery step again and update to user build image. 11. Go to the NVFlash_xxx folder and execute nvflash400_1G_ user.bat for image update. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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Mexico, Panama, Paraguay, Peru, Uruguay, Venezuela) VSD241‐WTA‐AR0 VSA adb shell mmc_access w_region_apk es_ARG 64 (Argentina) VSD241‐WTA‐EU0 VSE adb shell mmc_access w_region_apk en_GB 64 (United Kingdom, France (inc Guadeloupe), Germany, Portugal, Finland, Turkey) VSD241‐WTA‐EU1 VSE adb shell mmc_access w_region_apk ru_RU 64 (Russia, Ukraine) VSD241‐WTA‐AP0 VSI adb shell mmc_access w_region_apk zh_TW 64 (Taiwan, Singapore, Malaysia, Thailand, Philippines, Indonesia, India, Australia, New Zealand, UAE.) VSD241‐WTA‐HK0 VSCN adb shell mmc_access w_region_apk zh_HK 64 (Hong Kong) ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
Above listed items are examples, supplier can expand the rows to add more necessary items Remark 2: All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is Notice: 1.
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C. Do you have any other opinions or suggestions regarding this service manual? Reader’s basic dada: Name: Title: Company: Add: Tel: Fax: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. ViewSonic Corporation VSD241/SD-A245/CDS245 Confidential - Do Not Copy...
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