Outline Of Construction And Functions; Overall Block Diagram; Fig. 301 Overall Block Diagram - Teac MT-20D-IO Maintenance Manual

\.i.l
o
....
\.i.l \.i.l
I I
........
I
....
I
PCBA
INTERFACE
CoNrROL- - - - - - - -
--l
I
r
PCBADRiVE CoNTRoL- - - - - -
--1
I I I
I
RD
I
~~rH~
______
~--
____
~I
____ - -__
~
I
I
READ HEAD
READ
I
I
I I
CPU
8bll
I
I
I
INDICAlOR,
fRDN~
I
I
I
I
I
MOTOR. REV
I
MOTOR fWD
I
I
I
I
WRITE
a
ERASE
TRO/2
RMDDE
WD
EelK
TR 012
TR
I/~
TR 0
~y
' - - - - - - - - - '
DSO
TSI
I I
I I
I
I
I I
, I
I
I
I
I
I
I
I
WRITEIREAD 1-+
CONTROL
~_f_t_..l;TS""'-O--+_---_t_-_+-__i 1/0
PORTS 1-+
CONTROL
a
SERVO
GO
fWD
HIS
lOK
I
I
I
I
I
I
I I
I I
I
I
L-________
J---------il------II-~R
fPT
ACK
ClD
COUNTER
TIMER
DMAC
RAM
INTERFACE
CONTROL
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
c:T'
I-'
o
n
?;'
~ 9i
:t:
ONl
REQ
RST
I--f--
XfR
8=:
1
ACK
RDY
EXC
12\1 OV
I I
L-----t--t.------__
J
L-... _ _ _ ....
~
DIA
I • ov I
L ___________________
J
POWER
(a)
"D/CAS
II
Fig. 301 Overall Block Diagram