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The seven different CPU models , pin functions are identical , except that the internal functions of some differences . 47-00001-42,47-00002-42,47-00004-42,47-00007-42 basically substitute each other , but the pattern is displayed when you boot some differences ; 04 and 07 with the NTSC automatic recognition . 47-00005-42 mask due to plant failure when this chip , so the market is rare. 47-00003-42,47-00006-42 because the software on two CPU has little defective , there will be some problems when appropriate substitution .ajNservice manual download site
ajNservice manual download site
CPU with Li tones without NICAM function can not substitute each other .ajNservice manual download site
ajNservice manual download site
● 5P20 at the heart of this machine used three kinds of CPU, model sort of 47-00009-42 to 47-00011-42 these three different CPU models , pin functions are identical , except that the internal functions of some differences . 47-00009-42 and 47-00010-42 can substitute each other , but can not substitute the previous two 47-00011-42 CPU, if the substitution will appear misplaced keys , individual dysfunction and so on.ajNservice manual download site
ajNservice manual download site
● Memory Internal memory data movement 5T03 4T01 and 3T01 , or roughly the same movement with the available 3T01 4T01 movement or storage alternative .
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