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AKIRA 21BSS3 - SCHEMATIC DIAGRAM [Circuit Diagram] - FACTORY MODE - USING ICs TMP87PS38N - AN24C16 - TB1238N - BU4053BC -TDA7057AQ & BSC25-12AW23 FBT

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AKIRA 21BSS3 - CIRCUIT DIAGRAM  {Click on circuit to Magnify}

TB 123* SERIES I2C BUS CONTROL
  1. Press the numeric keys, switch to the position 12
  2. Press the numeric keys again, switch to the position 38
  3. Press the MENU key to call up the POS.LOCK menu
  4. Press the MUTE key
  5. Press the numeric key to input the password 1, 2, 3, 8. Then the TV will enter into the factory mode while the "M" displayed on the top of the screen.
Under adjusting mode, you can select the item you want by pressing the or  keys and you can adjust the value of the items when you press the “ > / <“ keys.
If the adjusting is default, please restore the data as previous or adjust according the table as follows.
  • The items with * in value are very special, do not adjust them at random. The items (1-5) are  used to debug white-black-balance of set.
  • The general secret code is 2175.
  • If you find the threadlike disturbance on the top of picture, please adjust the VM 2 in the items and make its value come to 34.
  • When E PROM does not work, please exchange the same model chip with data that the manufacture has already input. 2
DEFAULT DATA VALUE


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