Tektronix 7613 - sm_Page_064.tif

Circuit Description—7613/R7613 Service
> 2 X2
ON ~\ N o~\
NOTE: Indicates
y (Strobe) number of lines.
__(R-3)
Zeros Logic 4 3
—<«—{ and Memory |(c-1 to C-4,
c-10)
u2232 Ly
(Word
a
Where
no
number
trigger) appears; there is one
4 (Ready) Decimal line.
‘\ 7! «point Logic
(Word trigger) {| and Character
> Position
/ Sf \3 Counter
™~ (TS-1 to
U2260
(TS-1,
TS-5,
NE
TS-3)
186.183)
‘\
A
A
(R-7,
R-10)
\5 2
y~ N (6-3 to C-7) ‘
(Ready)
(Character
(Zero-adding position) ——~ (Channel
and prefix- PN p Address ginal to
shifting
data)
LO
No.
2}
Vertical
\8 Y
Y N (Character Y Y
sean} y
Column
\
>
Decoder
VoF
0
>
Generator
N N (C-1 to C-10) at “) Format
u2244 (fifty character Generator
matrix)
5 U2270, U2274 U2284
Lo U2272, U2276|—__»
/ U2278
(R-1, R-2, R-4
R-5, R-6)
X-Signal to
Row ‘:
Horizontal
; Decoder N\ 8 Amplifier
U2185 ‘
Q2153
Fig. 3-27. Detailed block diagram of Readout System (cont).
3-37
REV. JAN 1974
7613