View Sharp 28HW-53 (serv.man25) Technical Bulletin online
data is applied for the CRT type and Device permutations (see CTV 2002 04 01)
After blanking or replacing the NVM many default values written by the software in the set will not be the optimum,
please download the correct NVM file for the CRT type and Device permutations of the set. These can be found by
looking up the model number and going to the ‘Eprom/NVM file’ section.
and to ensure that the position of the half screen teletext picture is correct. Note that the usage
counters appear whenever the test mode is first entered.
has been switched on
Adjust the grey scale using the instructions given in Technical Bulletin CTV2000 01 04.
below are as shown. This will ensure that the audio level from the SCART input is correct.