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LCD Television
Service Manual
Chassis： MTK8222
Product Type：LCD32V86、LCD32V86P
Ver 1.0
Hisense Electric Co.，Ltd.
April，2009
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LCD TV Service Manual Contents Contents.......................................................................................................................................................................- 2 - Service Manual ...........................................................................................................................................................- 3 - 1. Precautions and notices.........................................................
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LCD TV Service Manual Service Manual 1. Precautions and notices BEFORE SERVICING THE LCD TV, READ THE SAFETY PRECAUTIONS IN THIS 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 p
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LCD TV Service Manual 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. Hereafter throughout this manual, Hisense Electric Co., Ltd will be referred to as Hisense. 1.1 Warning 1.1.1 Critical components having special safety characteristics are identified with a by the Ref. No. in the parts list. Use of substitute replacement parts,
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LCD TV Service Manual that you are connected with the same potential as the mass of the set by a wristband with resistance. Keep components and tools also at this same potential. 1. Never replace modules or other components while the unit is switched on. 2. When making settings, use plastic rather than metal tools. This will prevent any short circuits and the danger of a circuit becoming unstable. 1.1.3 To prevent electrical shock, do not use this polarized ac p
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LCD TV Service Manual 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. (3) Do not use this product in locations where the humidity is extremely high, where it may be splashed with water, or where flammable materials surround it. Do not install or use the product in a location that does no satisfy the specified environmental conditions. This
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LCD TV Service Manual otherwise, this can lead to fire or electric shock. (10) If the power connector or the connector of the power cable becomes dirty or dusty, wipe it with a dry cloth. Otherwise, this can lead to fire. (11) Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. 1.2 Notes Notes
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LCD TV Service Manual equipment and the high voltage power supply block, it can result in electric shock or activation of the leakage-detection circuit breaker. • When installing the LCD module in, and removing it from the packing carton, be sure to have at least two persons perform the work. • When the surface of the panel comes into contact with the cushioning materials, be sure to confirm that there is no foreign matter on top of the cushioning materials before
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LCD TV Service Manual that they are not damaged and their materials do not deteriorate over long periods of time. Therefore, route the cables and fix the cables to the original position and states using the wire clamps. • Perform a safety check when servicing is completed. Verify that the peripherals of the serviced points have not undergone any deterioration during servicing. Also verify that the screws, parts and cables removed for servicing purposes have all bee
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LCD TV Service Manual 2. Product Function Specifications Specifications Hisense Confidential - 10 -
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LCD TV Service Manual 3. LCD Panel Spec LCD32V86 Panel： LTA320AP02 \ROH SN：1058148 LCD32V86P Panel：T315HW02V0 \ROH SN：1057323 3.1 Panel: LTA320AP02 \ROH 3.1.1General Description 3.1.2 General Features Hisense Confidential - 11 -
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LCD TV Service Manual 3.1 Panel: T315HW02V0 \ROH 3.1.1 General Description 3.2 General Features Hisense Confidential - 12 -
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LCD TV Service Manual 4. Chassis Layout and Overall Wiring Diagrams Boards and Chassis Layout LCD32V86： No Description Part No. Type/Model PCB/ Model (1) Main board 120726 RSAG2.908.1497-7\ROH RSAG7.820.1637\VER.E\ROH (2) Power board 120822 RSAG2.908.1285-2\ROH RSAG7.820.1377\VER.B\ROH (3) Keypad PCA 120779 RSAG2.908.1573-3\ROH RSAG7.820.1755\VER.A\ROH (4) IR board 121198 RSAG2.908.1566-2\ROH 0RSAG7.820.1725\VER.C\ROH LCD32V86P： No Description Part No
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LCD TV Service Manual 5. Factory/Service OSD Menu and Adjustment 5.1 To enter the Factory OSD Menu a. With factory RC (remote control) 1. Press “M” button and enter factory mode. 2. Press “Menu” button and enter factory OSD menu. 3. Press “CH+”/“CH-” button select the function menu, press “VOL+”/“VOL-” enter the selected function menu. Press “VOL+”/“VOL-” button adjust values in the menu. b. With user’s RC 1. Power TV On 2. Press Menu button and call up
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LCD TV Service Manual e、Close the OSD menu after 5 seconds. 5.2.2 Factory Option Item 0 Item 1 Note White Balance R DRV Red Driver adjust G DRV Green Driver adjust B DRV Blue Driver adjust R CUT Red Cut adjust G CUT Green Cut adjust B CUT Blue Cut adjust Note: Before adjusting, please change to desired source. Different source has different WB values. Set Channel Zhong Shi Qingdao Jiangxi Road factory Huang Dao Huangdao Industrial Park Gui Yang Gui Y
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LCD TV Service Manual MODE “M” is only used for factory production. Version Info Version： Current Software version Date： The date of current version Note: Software version info of the TV, readable only. Clean data except Clean Protected WB data and Auto Color data Clean all data Clean All Note: The factory menu date varies according to different sources. Incase changing the factory data by error, you can choose to “Clean Protected”, by which you can r
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LCD TV Service Manual before adjusting When value is 25 Think about the Volume 25 Audio out power before adjusting When value is 50 Think about the Volume Mid Audio out power before adjusting When value is 75 Think about the Volume 75 Audio out power before adjusting When value is 100 Think about the Volume Max Audio out power before adjusting Audio Mode Standard 、 user 、 Audio Mode Music 、 Speech, Music 120HZ Different frequencies for dif
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LCD TV Service Manual 6 Software Upgrading The first upgrading method: The software is upgraded by a burning toll-MtkTool, 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 driver MTKtools2.44.04+cp210xDriver.rar Double click the icon , install the driver. Select the default value, the driver will be installed step by step. 6.1.2 Hardware connecting Connect the unit to your pc with a USB-t
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LCD TV Service Manual For the first connecting, the pc will recognize and automatically install the USB device. The process is just like the installation of a mini disk, see the following picture. Hisense Confidential - 19 -
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LCD TV Service Manual 6.2 Upgrading with the MtkTool MTKtool is a green program needing no installation. It is saved in the folder . There are five folders/files in this folder altergether. The MtkTool using log is restored in the MtkLog folder. It records the running time and date whenever the tool is used. The log will be a txt file named by the date and time. After connecting the TV with your PC, double click icon, open the MtkTool.
