Epson QX-10 Technical Manual page 7

Q10GMS
Board
,uP0765
(Channel A)
MPD7210
AC Q10PS
(Channel B)
IN
board
JLPD8255
Fig 1-2 Block diagram of main component
1-3
U9h8
CRT
~
FOO (SO-321 )
Keyboard
RS-232C
Printer
(centronics type)
Open card