Systemdescriplion - Sharp MZ-800 Service Manual

4. System description
Basic RAM, 64KB
KEY
CMT VF
AMP
r - --,
I
MZ-1R18 slol
I
I
(dedicated)
I
L ___
-.J
PPI
8255
CTC
8253
PSG
SN76489
Expansion slot-l
[2]'
MFD MZ-1F02
MZ-800
16 KB
l
r---'
I
l.
MZ-1P16 OP
I
r - - - -
-,
L
_~
Plot printer
I
l
,.--J
PlO
Z-80 PlO
MlSOP5K printer
Printer interface
r----+----.J
Joystick interface
4
VRAM
16 KB
CRTC
(Semi-cuslom)
r - -----,
I
VRAM
I
I
16 KB (OP) HZ-1R25
L _ _ _ _ _
J )
--~
RS-232C
MZ-8BI03
RGBI
Video
(ATARI compatible)
o
o
0
TV
MZ-1D19