Hisense Lcd32v86 Service Manual

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
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 
 
 
						

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
 
3.1 Panel: T315HW02V0 \ROH   
3.1.1 General Description 
 
 
3.2 General Features
 
 
 
 
 
 
 
 
 
 
						

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
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. Type/Model PCB/ Model 
 (1) Main board  121184 RSGA2.908.1497-15\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 15RSAG7.820.1755\VER.A\ROH 
(4) IR board  121198 RSAG2.908.1566-2\ROH RSAG7.820.1725\VER.C\ROH 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
						

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
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 User OSD Menu 
3. Select Audio-> Balance 
4. Enter 0->5->3 ->2 in sequence.   
Note: If necessary, re-do number keys. 
5. Factory OSD appears.   
6. Press Menu again and leave factory OSD. 
 
5.2 Factory OSD Menu   
5.2.1 White Balance  
 
Note: Different source has different WB values. Before adjusting, please change to desired source.   
 
1. Auto Color 
For VGA and Component Video sources, WB values must be adjusted. And at others signal sources, the 
“auto colour “does not work. 
  Before adjusting, prepare the signal instruments such as DVD or K-8256 f irst, and f ind the video picture 
with gray and color bars. Then please change to desired source. 
 
 source Timing  Pattern  Notes 
1  ADC VGA  1024*768 gray-3color  For VGA source 
2    ADC HDTV  720P  gray-3color  For Component Video 
Notes: 
a、Press “M” button and enter factory mode. 
  b、Press “Menu” button and enter factory OSD menu. 
    c、Select the item “Auto Color”. 
  d、Press VOL+ button to auto color. 
 
						

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
  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 Yang Industrial Park 
  Liao Ning  Liao Ning Industrial Park 
 Hungary Hisense Hungary 
 Australia Hisense Australia 
 France Hisense France 
Auto Color For VGA and Component Video 
sources, WB values must be 
adjusted
 
And at others signal sources, 
the “auto colour “does not 
work. 
 
Color Temp 
 Standard\cool\warm 
R Offset   
G Offset   
Color Temp 
B Offset   
Brightness Min  Min Brightness 
Brightness Mid  Mid Brightness 
Brightness Max  Max Brightness 
Contrast Min  Min Contrast 
Contrast Mid  Mid Contrast 
Contrast Max  Max Contrast s 
Saturation Min  Min Saturation 
Saturation Mid  Mid Saturation 
Video Curve 
Saturation Max  Max Saturation 
Factory Option 
To  FA C  M-Can enter factory mode 
with factory RC or user RC. 
U-Can enter factory mode 
only with user’s RC. 
  Logo Option  Logo Selection 
 OSD  
 
						

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
MODE “M” is only used for factory production. 
Version Info     
 Ve r s i on：  Current Software version 
 Date：  The date of current version 
Note: Software version info of the TV, readable only. 
Clean Protected 
 Clean data except 
WB data and Auto Color data
Clean All   Clean all data 
 
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 resume the default value. 
To clear the EEPROM: 
a. Select the item “Clean All”. 
b. Press VOL+ button to clear the EEPROM data. 
c. Close the OSD menu after 5 seconds. 
d. Restart the TV. 
 
5.3 Designer Menu 
Item 0 Item 1 Item 2   Note 
Picture Mode  SOURCE  The current program 
source 
 VIVID Brightness Brightness of VIVID 
mode 
  VIVID Contrast  Contrast of VIVID 
mode 
 VIVID Saturation Saturation of VIVID 
mode 
  STD Brightness  Brightness of STD 
mode 
 STD Contrast Contrast of STD 
mode 
  STD Saturation  Saturation of STD 
mode 
 MOVIE Brightness Brightness of Movie 
mode 
  MOVIE Contrast  Contrast of Movie 
mode 
Designer Menu 
 MOVIE Saturation Saturation of Movie 
mode 
Sound Mode  Volume Curve 
Volume Min  When value is 1 
Think about the 
Audio out power 
 
						

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
before adjusting   
 
Volume 25 When value is 25 
Think about the 
Audio out power 
before adjusting 
 
Volume Mid When value is 50 
Think about the 
Audio out power 
before adjusting 
 
Volume 75 When value is 75 
Think about the 
Audio out power 
before adjusting 
 
Volume Max When value is 100 
Think about the 
Audio out power 
before adjusting 
Audio Mode 
Audio Mode Standard、user、
Music、 Speech, 
Music 
 120HZ 
 500HZ 
 1.5kHZ 
 5kHZ 
 
 10kHZ Different frequencies 
for different Audio 
Mode 
 
 
 
The above “Factory/Service OSD Menu” are reference only, please refer to the actual units to 
determine the appearances. 
 
 
 
 
 
 
 
 
 
						

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
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 
 
Double click the icon 
MTKtools2.44.04+cp210xDriver.rar, 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-to-serial port cable. USB port connects to your pc, and 
serial port to the TV’s RS232 port. 
 
USB connector: to PC. 
Serial connector: to TV’s RS232 
port. 
 
						

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
 
 
 
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. 
 
 
 
 
 
 
						

							 
 
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LCD TV Service Manual                         
Hisense Confidential 
 
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. 
       If following error appears, it means the related port is not be set properly. 
       
 
              Ignore these errors, click “Confirm” and enter the MtkTool main interface, see the 
following picture. 
Flash chip model   
Please refer to follow steps to update the software: 
1—Select mode of Flash chip to MT8226 as the below picture. 
2—Refer to the next page instruction to select the communicate port.