Tuesday, August 21, 2012

SHARP LC20B6US LCD TV ADJUSTMENT MODE


Use the specific AC adapter of a stable DC power supply as power source.
For [LC-20B6U] AC adapter is  [UADP-A065WJPZ]
                              DC power supply:  (12V - 6.6A or more).
TO ENTER THE ADJUSTMENT PROCESS MODE
  1. While Holding down the "Input" & "Vol (-)" keys on the TV, turn On the Power, and press  [Channel Dn & Volume Dn] keys at once.
  2. Turn On the Power with either of key [4] (pin '81' of microprocessor), and key [5] (pin '82' of microprocessor) staying at "L".
KEY OPERATIONS
  • Select a station with the station selection Up / Dn key.
  • Switch the input with the input selector key.
  • Using Cursor  Up / Dn key, select and item to be adjusted.   When the Cursor Dn key is pressed with the cursor placed on the bottom item, the cursor will move to the top item on the next page.  When the Cursor Up key is pressed with Cursor placed on the top item, the Cursor will move to the bottom item on the previous page.
  • Adjust the selected item with the [Vol Up / Vol Dn] key or [Cursor Right / Cursor left] key.
  • Pressing the 'Menu' key will move the cursor to next item.  When the Menu key is pressed with cursor placed on the bottom item, the cursor will move to the top item on the next page.
  • Pressing the manual memory key will return the cursor on the top item.  When manual memory key is pressed with cursor placed on the top item, the cursor will move to the top item on the next page.
  • When the 'Enter' key is pressed with cursor placed on an item other than {I2C} DATA on page [9], the setting page corresponding to the selected item will appear.
  • To "Exit" each setting page, press the "Previous Screen" key.
INITIALIZATION
  1. Set both pins [81] & [82] of (IC2001) 'Microprocessor' to GND and turn ON the power.
  2. Check the Mode name (A625).  #  Note:  Model cannot be changed.
  3. Inch selection:  Check inch size(20).  #  Note:  Inch size cannot be changed.