Service manual
-
PC
- l600
2. Block diagram
Since the printer, cassette, and floppy disk drive are
all
contro
lled
by
the
PC-
1
600,
the CE·1600P and PC·1
BOO
F
can not
ope
rate by itself.
Battery. however, can
be
recharged
without
intervention of
the PC·l 600.
A 32KB
ROM
within the CE
·l600
P
conta
ins
th
e program
to
operate the printer, cassette, and floppy disk drive.
6O-pin
r-
4-color plolting
print.r
1(""
(!;(liar
chIong'.
PTMPG3308A
f..."le
fol'Wllrd
.nd
reverse
p~leedl
SVII...,
bu.
!.~~nlio"
;;;-
r
Printtr
drl".
tlel
n,l
SwilCMI (remote,
PC
'''''
(M,in
un
III
6O.pin
mil,
5O-9ln
eR
detection
F-
Addreu/
D.t
prim)
Dri
...
r
I-
LB1247 (x2)
Fl
el,v
drl"l
Prlnte
••
nd
..
I ....
tlgllil
drlll"leIn,I,
Oth,,,
Aemot.
~
ead
Ii!;;;!
~
Gate
""
y
etlHlt1
LA38045 interf
ace
t--
REM)
MIC
Ce·
IS2
EAR
(cas~te!lllt
rewrde,j
Wr
ite
,ign,l
Chip
select
32KB
ADM
SC21C256
CE,
'600F
12.5" FOD
,-
f
.....
I.
Po_.
wppl
,
EA-I60
•
Piou
ing
print
••
(AC
IdllPiorl
•
Cauettl
rteXl.de.
VP
[
IOtlrf.ce
1
VBAT
•
~E·'600F
IOft_re
vCCl
l
____
,
_,_
In
m«l'lOry
Ni<d
PC-'600 IAAX5)
PA7B
080-1
P
A71
Po_r
""ppl." circuit
(Fi
g.
1)
CE
·1600P block diagram
.
RO
:
.......
.
·~r~
···
..
...
;
........
:
:
CM
T ./ F
~
,
,
,
,
.--
,
,
,
r FF
'}=
)NT
,
,
,
OATA
.U
'--~~F~'l:;st:
P.o-6'
~
.--)-1
:
:
F--<!MUF~~~={~9FF2~
PBON-7N
:
~
'T
AO-11
~;~A~D~D~R~E~SS~=]r==~'-,-~:""
---~I-
r-~
:
A14. ' SA
~
r-
.
PTI.
PUI
. EZI ;
~
~
~
!+-9FF3
~,
PCQN
- 7N
MINI,
lORa
•
~
MRQ •• RON I :
''-
_____
~_~]
WRNI :
DC'
DC
0C3
1
~
: I
RST'-
~:--
I----t-
{:~
R~S~
T
~)-
---.-J
......
[
...........
·····
f · r
j
CSNO
I
01N
RSTN GNO
vec
(Fig.
1)
LR38045 gate arrey block
di
ag
ram
-
64-
Bu
:
Mu:
FFl
-3:
DCl-3:
8 bits I/O Buffer
Multiplexer
8 bits Latch
Decorder
INT: interru
pt
circuit
RST: Reset circuit
CM
T I/F: Se
ri
al
input
P
Ao-7
1: 8 bits in
put
P
AO
N-
7N
: 8 bits
outp
ut
port
P
CQ
N-
7N
: 8
bi
ts
o~t
Pu
t
port