Thursday, July 19, 2012

HITACHI 32LD380TA SERVICE MODE and ADJUSTMENTS



TO ENTER SERVICE MODE
To enter service mode function, Press and Hold both buttons simultaneously on the main unit and on the remote control for at least 2 seconds.
  1. TV Mode => Vol Dn [Min] => remote key='0' => To reset the user settings items.  Picture, Volume, Language etc:- to initial state of delivery [Password is released].
  2. TV Mod => Vol Dn [Min] => remote key-'1' => Initialization of Factory TV data.
  3. TV Mode => Vol Dn [Min] => remote key-'2' => Check of the Sum Data and Micom Version on the screen.  
  4. TV Mode => Vol dn [Min] => remote key - '6' => Power On Total Hours are displayed on the screen.
  5. All Mode => Vol Dn [Min] => remote key- '9' => Display of adjustment menu on screen.
WHEN REPLACING EEPROM
Initial total of Memory IC, Powr On Total Hours and Micom version can be checked on the screen.  Total hours are displayed in '16' system of notation.
If set a factory initialization, the total hours will be set to zero.
  • Turn On the Power, and set to TV mode.
  • Set the Volume to Minimum.  Press both 'Vol Dn' button on the set and channel button '8' on the remote control for more than '2' seconds
  • After the confirmation of each check sum , turn OFF the power to Exit.
On Screen Display and Details.
Starting from Top
  • INIT:  4F7D => Initial setting data check sum
  • ROM:  0000 => Rom correction data check sum.
  • ADC:  C154 => AD Converter data check sum.
  • DVP:  A615 => Scaler data check sum.
  • LCD ON:  0000 => Power On Total Hours =  { (16*16*16* thousand digits value) +  (16*16* hundred digits value) + (16* tens digit value) + (ones digit value) }
  • OEC7154A_030 => Micon Version