Custom Lsi; Block Diagram; Crt Control - Sharp MZ-700 Service Manual

CUSTOM LSI
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YTl
>
1. BLOCK DIAGRAM
CRT Control
LPHI 0
J
I
l-{
NTPL
AO
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
0
0
( '
-
9
0
0
0
0
0
0
0
Eh
H
COLR
1/2
1/2
1/4
"
/
/
/
/
/
/
/
I
J
I--
IMT
I
I.....-
AND
LOO
SCREEN
POSITION
(1)
ABC
r--
SCREEN
POSITION
(2)
"
I'
5
~
V. BLNK CIRCUIT
~
•
L - - -
\ 11
,
0123
-
~
r - -
H. SYNC. (NTSC)
r--
H. SYNC. (PAL)
f----
-
. ..,
A-C
3
\.
,
8
D-K
\ ,
~
V. SYNC. CIRCUIT
I
1
1/2
AND
It
I
1/2
-
Y
1/2
9
NTSC
PAL
SELECT
BLNK0
~
a:
w
X
w
..J
0..
i=
..J
::>
::i:
Cl)
Cl)
w
a:
0
0
et
f
I
-
f
I
-
I
1
r
~
-
~
~
"V
~
~
~
"U
~
~
~
~
Y
V
~
"!
"0
CLKN
COLR
HSY
BLNK
HBLN
LOAD
PO
P1
P2
P3
P4
P5
P6
P7
P8
pg
P10
S157
3 CS
DD
SYNN
-0
VBLN
"0
01
02
Q
03