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AOC LE50H234 Maintenance Service Manual
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AOC LE50H234 Maintenance Service Manual

AOC LE50H234 Maintenance Service Manual

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Summary of Contents for AOC LE50H234

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  • Page 14: Adc Adjust

    文件名称 售后维修服务手册 方案 ( 6M 181/ 6E181/ 6M 182/ 6E182 Document: After-sales Maintenance Service Manual ( 6M 181/ 6E181/ 6M 182/ 6E182 Schem e) 6M181/6E181/6M182/6E182 Scheme Adjustment of Factory Mode Press Menu to enter into the menu interface, and then press 8202 to enter into Factory menu. Primary Menu Secondary Menu Value, Notes...
  • Page 15 文件名称 售后维修服务手册 方案 ( 6M 181/ 6E181/ 6M 182/ 6E182 Document: After-sales Maintenance Service Manual ( 6M 181/ 6E181/ 6M 182/ 6E182 Schem e) Power-up mode (power-on upon powering up, power-off upon powering up, restore Power M ode to the previous status upon powering up) Burning ON/OFF.
  • Page 16 MST6M182/MST6E182 software upgrades (After Service) 1、Software upgrade tools and materials * Personal computer （ ） W I NDO W S XP syst em , USB2. 0 AC100~240V power suppl y and power cor d burning I SP boar d burning I SP boar d dr i ver *ISP Tool V4.5.2.8.SZ.exe...
  • Page 17 has been inserted into, or change another U disk and try again. ③. Display percentage progress prompts and about 10 seconds later, the machine black screen and restart automatically, means that the machine complete the upgrade process, turn off the machine first, then pull out the U disk. Press 升...
  • Page 18 following instructions. (1). Connect the ISP burning board and TV VGA port with VGA cable. (2). Insert the Mstar USB Tool into the USB port of your PC. The PC can recognize the new device. You can choose to install it in the list, or choose to install at a specified directory and specify the path to the drive file. See the figure below:...
  • Page 19 (3) When PC finds the drive file, it will give the prompts as in the figure below during the installation process. Please click “Continue" to go ahead. The system will go through three drive installation processes, including Mstar USB Debug Tool A, Mstar USB Debug Tool B, and Mstar USB SerialPort.
  • Page 20 (3). Click Connect button to connect, if it prompts “Device Type is GD25Q32”, means that normal connecting; if it prompts “Can't find the Device Type!” means that there is poor connecting, please have a check. Abnormal (4). Click "Read" button in tool bar, then click "Read" to load current software. (5).
  • Page 21 Then click “RUN”button to burn software. When display“PASS” ，means that it succeed，then burn EDID according to the following instructions.
  • Page 22 5、Use ISP way to upgrade(when used USB way to upgrade, it coundn't erase the original EDID and HDCP KEY on mainboard, so we require customer use this way to upgrade first.), when you selected "ALL Chip" under "Erase Device" option during upgrading, the TV mainboard must burn EDID and HDCP KEY. The buring tools and materials for HDCP KEY and EDID: * Personal computer （...
  • Page 23 Please click to load current software. If prompts “Device Type is GD25Q32” means that normal connect； if prompts “Can’t find the Device Type!” means that there is poor connecting, please have a check.
  • Page 24 Abnormal If prompts “Device Type is GD25Q32” means that normal connect； if prompts “Can’t find the Device Type!” means that there is poor connecting, please have a check. (3). Click HdcpEdid button in main menu bar to set corresponding settings according to the following instructions: Need to burn HDCP KEY, please select and load current KEY documents, in KEY address bar input "0 X3B0000"...
  • Page 25 interface. Don't selet, if mainboard have burned correct KEY or EDID. (4).In burning main interface, select corresponding function, click Setup button Erase Device, Don't selet, if mainboard have burned correct KEY or EDID. to enter to Erase Block Setting menu, click Clear All to clear，click drop-down list in Global Offset Address, select"OX00000000,Bank 00"，in address list select "0X3B0000", check address settings and click "OK"...
  • Page 26 (5).In burning interface, click "Run" to burn. Burning prompt bar will prompt burning process related information, about 12 seconds appear "Pass", and there is no longer any character rolling in prompt bar, means that is burning successfully. (6). Shut down the power of jig, pull out the burning wire to complete burning operation. It not allow pulling out the wires during burning process.
  • Page 27 ( 1) . Power to the machine, press MENU button on the remote control then press 8202 number keys and then will popping the factory menu automatically, press the remote control up/down cursor keys to move to the "Reset" option press OK key to implement. After about 5 seconds latter the machine implement clear command automatically.
  • Page 28 Change R-GAIN/G-GAIN/B-GAIN value and R-OFFSET/G-OFFSET/B-OFFSET value to the value before the upgrade under the YPbPr(SD/HD) mode In the ADC ADJUST item, press OK key to enter the next level menu, move the cursor to the MODE item, press the ( 5) . left/right keys tomove cursor select the YPbPr(HD)item, change the R-GAIN/G-GAIN/B-GAIN value and R-OFFSET/G-OFFSET/B-OFFSET value of the machine after the upgrade to the value before the upgrade.
  • Page 29 AMP_12V CN201 CN201 AMP_12V 配大尺寸电源，L103不贴; 2Pin/2.0mm 2Pin/2.0mm CN202 CN202 R225 R225 C238 10uF C238 10uF 配小尺寸电源，L103要贴 C101 C101 470uF 470uF R239 R239 +5V_Standby +5V_Standby P_SD 2 CN101 CN101 12pin/2.0MM 12pin/2.0MM +5V_Standby C103 C103 R227 R227 C102 C102 C237 C237 PM5V R104 R104 PM+5V...

  • Page 30: Seri Al Flash

    HDMI2-RX1- HDMI-RX1N HDMI2-RXC- HDMI-CLKN HDMI_HP2 HDMI-HP +3.3V_HDMI_VDD L302 L302 HDMI2-RX1+ HDMI-RX1P HDMI2-RXC+ HDMI-CLKP HDMI0-RX2+ HDMI2-RX2- HDMI-RX2N HDMI2-RX0- HDMI-RX0N HDMI2-SDA HDMI-SDA CRX2P +3.3V_Normal C334 C334 C335 C335 C336 C336 C337 C337 0805BEAD 0805BEAD HDMI2-RX2+ HDMI-RX2P HDMI2-RX0+ HDMI-RX0P HDMI2-SCL HDMI-SCL 0RX4 0RX4 0RX4 0RX4 0RX4...
  • Page 31 Model Base Document No. Version I TCD0601 v5. 0 Decorative Cover Assembly Station Name Section/Serial No. 50L31 Preprocessing 01 Panel Effective from Date Updated 2013- 9- 10 2013- 9- 10 Part Number Amount Descriptions Operations and Requirements Diagram Tool Parameters 7A03-500L31-14600001 50L31 glass base(black silk screen+ hollow out) Take a glass base and check if it looks fine without any scratches.
  • Page 32 Model Base Document No. Version I TCD0602 v5. 0 Base Iron Plate Locking Station Name Section/Serial No. 50L31 Preprocessing 02 Panel Effective from Date Updated 2013- 9- 10 2013- 9- 10 Part Number Amount Descriptions Operations and Requirements Diagram Tool Parameters 7115-370L11-42H20023 37L11/42L11 glass base iron plate Electric screwdriver...
  • Page 33 Model Document No. Version Base I TCD0603 v5. 0 Transparent PC Column Assembly Station Name Section/Serial No. 50L31 Preprocessing 03 Panel Effective from Date Updated 2013- 9- 10 2013- 9- 10 Part Number Descriptions Operations and Requirements Diagram Tool Parameters Amount Take transparent PC Column and check if it looks fine, then align the 7037-420L31-40041111...
  • Page 34 Model Document No. Version Base I TCD0604 v5. 0 Station Name Base Cover+Transparent Column Assembly Section/Serial No. 50L31 Preprocessing 04 Panel Effective from Date Updated 2013- 9- 10 2013- 9- 10 Part Number Descriptions Operations and Requirements Diagram Tool Parameters Amount Take base cover and check if it looks fine, the fit the processed base cover 7050-420L11-44B01101...
  • Page 35 Model Document No. Version Base I TCD0605 v5. 0 QC Base Inspection Station Name Section/Serial No. 50L31 Preprocessing 05 Panel Effective from Date Updated 2013- 9- 10 2013- 9- 10 Part Number Descriptions Operations and Requirements Diagram Tool Parameters Amount Check if base assembly looks fine and processings meet requirements.