Tuesday, July 03, 2012

RCA L32WD26D - SERVICE MODE ADJUSTMENTS - 2


Cont:

CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS AND MICON VERSION


Initial total of memory IC, Power ON total hours and MICON version can be checkde on the screen.  Total hours are displayed on the screen in 16 system of notation.
 If a Factory Initialization is set, the total hours will reset to "0".

  1. Turn ON the power and set to the TV mode.
  2. Set the volume to minimum.
  3. Press Both Vol Dn button on the TV set and channel [8] button on the remote control for more than 2 seconds.  
  4. After confirmation of each check sum, turn Off the power. Each item value might be different according to each set. The screen will have 
  • HCS CHK SUM => INITIAL SETTING DATA CHECK SUM
  • HRM CHK SUM => ROM CORRECTION DATA CHECK SUM.
  • LCD PWR ON: 0000 => POWER ON TOTAL HOURS = (16*16*16* thousands digit value)|| + (16*16*hundreds digit value)|| + (16*tens digit value)||+(ones digit value).
  • OEC6089A_005 => MICON VERSION.
  • DTV CA03B75231 => DIGITAL TV MICON FIRMWARE.
CONFIRMATION OF INITIAL DATA

If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to INITIAL SETTINGS  as given below.
  • HCS 00    0B
  • HRM  0600  01
  • OCE6089A_05
  • DTV  CA03B75231
  1. Turn the Power On and set to the TV mode.
  2. Set the Volume to minimum.
  3. Press Both Vol Dn, button on the TV set, and the channel button [6] on the remote control for more than 2 seconds. Address and Data should appear as above.
  4. Address is now selected and should 'blink'.  Using the Ch+/Ch- button on the remote, step through the Address until press Vol Up/Dn button to select the Data.  It will 'blink'.
  5. Again step through the Data using Ch Up/Dn button, until the required Data value has been selected. 
  6. Pressing Vol Up/Dn button will take back to Address for further selection if necessary.
  7. Repeat steps 4 to 6 until all Data has been checked.  
  8. When satisfied correct Data has been entered, turn Power OFF (return to Standby Mode) to finish Data input.  [After Data input, set to the initialization of shipping.]
  9. Turn On the power.
  10. Set the Volume to minimum.
  11. Press Both Vol Dn button on the TV set, and channel button [1] on the remote control for 2 seconds. 
  12. After finishing the initialization of shipping, the unit will turn Off automatically. The unit will now have the correct Data for the new memory IC.




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