Hitachi 26ld8000ta Service Manual

 
 
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Menu Function Description 
Video     
  Picture ModeOSD menu video mode default setting   
  Picture Display Contrast adjustment ( Back- end ) 
  Brightness Display Brightness adjustment ( Back- end ) 
  Tint Display Hue adjustment ( Back- end ) 
  Color Display Saturation adjustment ( Back- end ) 
  Detail Display Sharpness adjustment ( Back- end ) 
  Backlight LCD backlight control ( Back- end ) 
  Color 
Temperature Color temperature default setting ( High or Low ) 
ADC     
  ADC Gain - Ronly...

 
 
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  Scalar Bri - BOutput B brightness factor adustment ( color temperature function ) 
  Scalar Off - ROutput R offset factor adustment ( color temperature function ) 
  Scalar Off - GOutput G offset factor adustment ( color temperature function ) 
  Scalar Off - BOutput B offset factor adustment ( color temperature function ) 
Display     
  Disp MP BL end ) , 
OSD sharpness adjustment item 
  HSharp LP nd ) 
  Hsharp HP end ) , 
OSD sharpness adjustment item 
  Vsharp Display Vertical sharpness...

 
 
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Enable 
  Blue Gain Blue add gain   
 
 
z COLOR TEMPERATURE ADJUSTMENTS 
Following the procedures to make the color temperature adjustments. Note that a colorimetry meter (such as 
a Minolta CA-210) is require
d to measure the actual screen color temperature. 
Low : x=0.301 +/- 0.01, y=0.314 +/- 0.01 = Color Temp.: 7500K 
High : x=0.266 +/- 0.01, y=0.264 +/- 0.01 = Color Temp.: 15000K 
 
5.2 Firmware update 
 
This model has a Debbug Mode, where the technician can debbug and update the firmware....

 
 
14 6. Load BIN file. 
  
 
 
 
 
 
7. Click OK button 
 
 
 
 
 
 
 

 
 
15 8. Click Write Device icon 
 
 
 
 
 
 
9. IAP is finished while following massage is shown. 
 
 
 
10. After IAP is done, please disconnect and reconnect AC power switch and do initialization. 
 
 
 
 
 
 
 
 
 
 
 

 
 
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5.3 Initialization 
 
This model has a Initialization Mode, where the technician can initial the EEPROM. 
 
Preliminary
 
1.To access the Bebbug Mode, the TV must be 
running. 
 
Procedure
                                                           ①               ②             
6.  Press and hold the #4 and #5 button (VOLUMES and VOLUME 
T).                 
7.  While continuing to hold the #4 and #5 button, press and hold the #1 button (SUB-POWER). 
8.  After both buttons have been held down for...

 
 
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6.Troubleshooting  
The flow chart shown below will help you to troubleshoot your TV set with it doesn’t display normally. Each 
procedure offers a simple way to check for system errors. Before starting, ensure that there is a signal in and 
that the TV is turned on. 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
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