Related Manuals for Hisense LCD19V88
Summary of Contents for Hisense LCD19V88
- Page 1 Liquid Crystal Display Television Service Manual Chassis MST6E16GS Product Type LCD19V88/LCD22V88 Ver 1.0 Hisense Electric Co. Ltd. June, 2009...
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Page 2: Table Of Contents
Contents Contents................................- 2 - Service Manual ..............................- 3 - 1. Precautions and notices..........................- 3 - 1.1 WARNING ............................- 4 - 1.2 NOTES ............................- 7 - 2. Product Function Specifications ......................- 10 - Specifications............................- 10 - 3. LCD Panel Spec............................- 11 - Model LC190WH1-TLA1\JK \ROH SN 1056286 .................- 11 - Model V216B1-L01\JK\ROH SN 1058189..................- 13 -... -
Page 3: Service Manual
WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER. Proper service and repair is important to the safe, reliable operation of all Hisense Electric Co., Ltd Equipment. The service procedures recommended by Hisense and described in this Service Guide are effective methods of performing service operations. -
Page 4: Warning
Accordingly, a serviceman that uses a service procedure or tools, which are not recommended by Hisense, must first satisfy himself thoroughly that neither his safety nor the safe of the equipment will be jeopardized by the service method selected. - Page 5 1.1.2. All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set by a wristband with resistance.
- Page 6 cable clamps. -The insulation of the mains lead should be checked for external damage. 1.1.6 (1) Do not touch Signal and Power Connector while this product operates. Do not touch EMI ground part and Heat Sink of Film Filter. (2) Do not supply a voltage higher than that specified to this product. This may damage the product and may cause a fire.
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Page 7: Notes
(7) Do not pull out or insert the power cable from/to an outlet with wet hands. It may cause electric shock. (8) Do not damage or modify the power cable. It may cause fire or electric shock. (9) If the power cable is damaged, or if the connector is loose, do not use the product: otherwise, this can lead to fire or electric shock. - Page 8 been turned off. • While the main power is on, do not touch any parts or circuits other than the ones specified. If any connection other than the one specified is made between the measuring equipment and the high voltage power supply block, it can result in electric shock or activation of the leakage-detection circuit breaker.
- Page 9 the original routing and fixing configuration when servicing is completed. All the wires are routed far away from the areas that become hot (such as the heat sink). These wires are fixed in position with the wire clamps so that the wires do not move, thereby ensuring that they are not damaged and their materials do not deteriorate over long periods of time.
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Page 11: Lcd Panel Spec
3. LCD Panel Spec 3.1 LCD19V88 Model LC190WH1-TLA1\JK \ROH SN 1056286 3.1.1 General Description 3.1.2 General Features - 11 -... - Page 12 - 12 -...
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Page 13: Model V216B1-L01\Jk\Roh Sn 1058189
3.2 LCD22V88 Model V216B1-L01\JK\ROH SN 1058189 3.2.1 General Description 3.2.2 General Features - 13 -... -
Page 14: Chassis Layout And Overall Wiring Diagrams
4. Chassis Layout and Overall Wiring Diagrams Chassis Layout LCD19V88 Description Part No. Type/Model PCB/ Model Main Board 120538 RSAG2.908.1544-4\ROH RSAG7.820.1701\VERC\ROH Power Board 118023 RSAG2.908.1470\ROH RSAG7.820.1585\VER.D\ROH Keypad PCA 114552 RSAG2.908.1168-2\ROH RSAG7.820.1214\VER.A\ROH IR Board 120825 RSAG2.908.1551-4\ROH RSAG7.820.1733\VER.B\ROH LCD22V88 Description Part No. -
Page 15: Factory Osd Menu
G DRV OSD Language B DRV Country R CUT Options G CUT Factory Init B CUT Test Pattern Version: LOGO ADC Adjust NULL HISENSE Only in component and VGA WELCOME ADC Adjust SOURCE ,The CUSTOMER Can be chosen. - 15 -... - Page 16 Option Factory Init SOURCE QingDao TOFAC HuangDao AGC TOP Hungary AGC CURVE France Australia Star TUP Menu CLEAR PROTECTLY MACHINE TYPE 0 CLEAR UNPROTECTLY HIDEF Test Pattern Version Test pattern NULL Version: Panel Type: FLASH : 5.2.2 Design Menu - 16 -...
- Page 17 Design Menu Picture Mode Sound Mode Picture Curve Audio Curve SSC Setting Saving MODE Picture Mode Sound Mode Mode Standard Mode User Brightness 120Hz Contrast 500Hz Colour 1.5KHz 5KHz 10KHz Picture Curve Audio Curve Mode Brightness Mode Volume Curve 0 Curve 0 Curve 25 Curve 25...
- Page 18 SSC Setting Saving MODE DDR SSC DDR MCM 60 LVDS SSC LVDS PCM 60 The above Factory/Service OSD Menu are reference only, please refer to the actual units to determine the appearances. - 18 -...
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Page 19: Software Upgrading
6. Software Upgrading The software is upgraded by a burning tool- ISP_TOOL4.0.9, which can burn the program file * bin to the main board of the unit 6.1 Get ready for upgrading 6.1.1 Install the ISP_TOOL4.0.9-------only for the first time update. Port Setting Choose “system”option from the “control panel”... - Page 20 Click the “system” icon as the following Choose the “hardware” option from the dialog window - 20 -...
- Page 21 Click“device management” icon as the following Choose the port (COM and LPT1) Choose the ECP print port (LPT1 - 21 -...
- Page 22 Click the port of print LPT1 as the following Choose “port setting”option as the following - 22 -...
- Page 23 Find the folder where the ISP_TOOL4.0.9 lies in. There are three folders/files in this folder together. DLPORTIO.dll and FTD2XX.DLL must be in the same folder Double click the ISP_TOOL4.0.9 icon, and then a dialog window will show as below. - 23 -...
- Page 24 Click the Config button. And then a dialog window will show as below. Port Type setting is LPT1 Base Addr setting is 0x378 Draw on the front of “pin 1 switch UART/I2c” Speed setting is 99 As following Choose“SDA in”and setting “PIN” is “PIN10” Notes: Do not draw on the front of “Reverse High”...
- Page 25 Choose “SCL in”and setting “PIN” is “PIN11” Notes: Do not draw on the front of “Reverse High” As following Choose “SDA out”and setting “PIN” is “PIN4” Notes: Draw on the front of “Reverse High” As following Choose “SCL out”and setting “PIN” is “PIN2” Notes: Draw on the front of “Reverse High”...
- Page 26 After having finished all above, clicking the “Apply ”button to complete the configuration 6.1.2 Hardware connecting You can update the software through a special tool (as following) - 26 -...
- Page 27 Connect the Debug board to the TV use VGA interface, the other parallel port to the computer, just as the following - 27 -...
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Page 28: Upgrading With The Isp_Tool4.0.9
6.2 Upgrading with the ISP_TOOL4.0.9 6.2.1 Double click the ISP_TOOL4.0.9 icon and a dialog window will show as following Click the“Read ”button - 28 -... - Page 29 Choose the update file from the folder - 29 -...
- Page 30 The update file has been chosen successfully Click the“Auto”button and choose parameters as following Click the“Run”button Click the“connect”button,then show a dialog box as following - 30 -...
- Page 31 If show above then click the“Run”button again and again till show the following dialog window - 31 -...
- Page 32 The above appears on the screen-the word “program ok”shows in the information displaying window,indicating upgrading is over 6.2.2 After the update is over. Must Confirm the software Version in the Version Menu. If the update is successful, enter Factory Init Menu and select “Clear Unprotectly” a.
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Page 33: Troubleshooting
7. Troubleshooting 7.1 Troubleshooting for Remote Control Remote control does not work Try new batteries Replace battery Replace RC Replace remote control Check IR receiver Change Led & IR board Replace Led & IR BD Change Led & IR cable Replace Led &... -
Page 34: Troubleshooting For Function Key
7.2 Troubleshooting for Function Key Buttons does not work Replace tact switch Check switches Replace Key BD Check key board Check Key BD cable Change Key BD cable Replace main board - 34 -... -
Page 35: Tv Won't Power On
7.3 TV won’t Power On TV won’t power on Is LED light? Make Sure Power Check Power source is live Inlet Replace Check Power BLUE Power Cord Cord Check/replace IR Only BD or Keypad one works Try Power on by Check signal RC and Button OSD? -
Page 36: Troubleshooting For Audio
7.4 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker wire Replace speaker set Check speaker set Replace main board - 36 -... -
Page 37: Troubleshooting For Tv/Vga/Hdmi Input
7.5 Troubleshooting for TV/VGA/HDMI input No picture on the screen Check Signal Source Make sure signal source is available Reconnect Check connect Replace cable Check cable Replace main board - 37 -... -
Page 38: Troubleshooting For Ypbpr Input
7.6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check Source Device Reconnect Check connect Check Wires (Green Blue, Red) Replace wires Replace main board - 38 -... -
Page 39: Troubleshooting For Video/S-Video Input
7.7 Troubleshooting for Video/S-Video input No picture on the screen Check Source work or not Check Signal Source Reconnect Check connect Replace Cable/Wires Check Cable/ Wires Replace main board - 39 -... -
Page 40: Explode View
8. Explode View 9. Schematic circuit diagram - 40 -... - Page 45 INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT...
- Page 46 INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT...
- Page 47 INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT...