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Maintenance Manual for Tablet MR07(TVE910S_V1.3) This manual describes common failures and troubleshooting from the angle of circuit principles. It is for your information. This manual introduces in general positions for circuit investigation. Please refer to maintenance schematic diagram for circuit details. I.
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Check if RAM, Flash and peripheral components are well welded, if Flash card data lost or if reprogram Flash. 3. No Display of LCD Confirm the current is normal the equipment is started. If LCD has no display when connected, do investigation by following the steps below. Firstly check if voltage of VCC_LCD (3.0V+/-0.1V) is normal, if abnormal, check U19 and surrounding circuits.
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Replace the LCD screen. Check if display base is well welded. Check if the connection of LCD extension cords and the CPU is normal. Check if the CPU is welded without tin. 4.Abnormal Operation of TF card Detection failure of card insertion: Check if the card connector is damaged and if it is well welded.
PCB POWER WIRE WIDTH INDICATE CONTENT INDEXING 01. INDEX above 80 miles above 50 miles 02.Modify note above 30 miles 03.Block Diagram above 16 miles 04.SYSTEM POWER DIAGRAM Under needs No indicate 05.DC/CHARG 06.SYSTEM POWER 07.USB OTG/VIB 08.DDR3 09.FLASH/SD 10.GPIO 11.AUDIO 12.LCD PANEL 13.TOUCH PANEL...
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Version Date Author Change Note Approved V1.0 20120220 First edictor TECHVISION INFORMATION TECHNOLOGY CO.LTD µÂÌìÐÅÏ¢¼¼ÊõÓÐÏÞ¹«Ë¾ Schematic NOTE Size Project TVE907R V1.0 Date: Monday, August 20, 2012 Sheet...
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NAND FLASH and iNAND DDR3 *2 DDR3 *2 select one 256M*8Bit 256M*8Bit >=1GB HSADC iNAND RK901 CIF0 SDIO0 FRONT CAMERA NANDFLASH WIFI I2C3 SDIO1 Interface RK903 CIF1 WIFI+BT+FM REAR CAMERA UART0 I2C4 I2S1 LVDS PANEL RBG TO LVDS LCDC RGB888 I2C2 TOUCH PANEL&...
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1.1V MAX 2.5A LOG/GPU Core DC1VDD VDD_LOG DCDC1 Power on/off Timing 1.1V MAX 2.5A VDD_ARM ARM Core DCDC2 PWR_EN DC2VDD 1.5V RK3066_DDR-Ctrl VCC_DDR PWR_HOLD DCDC3 MAX 1A DDR3-Device t1¡Ý0 DC3VDD VSYS GSensor/Compass/GRY VCC_33 RK3066_IO DCDC4 AP0/AP1 DC Adapter DC4VDD VCC_IO VDD_11 12V/2A MAX 1A...