Character Entry Register; Character Readout Register; Model 402-2Am13 Display Terminal, Overall Block Diagram - Raytheon DIDS-400 Series Technical Manual

i'X8
FX4
KEYBOARD
FX2
FXI
ASSEMBL Y
FY4
All FY2
FYI
KEYBOARD
FUNCTIONS
DID> 68-511
DAX8
%
IX
";;I
CHARACTER CHARACTER
DAX4
MONOSCOPE
AX2
VI
I
VIDEO
ENTRY
READOUT DEFLECTION
~IMONOSCOPE
DAXI
REGISTER
REGISTER AMPLIFIER
I
DAY4 _
PIO A l?
PIO A 12
DAY2
A3
~
DAYJ_
I
DISPLAY BUFFER
LOGIC REGISTERS
PIO A 12
PIO A 17
TIMING AND
DISCRETE
TIMING TO
AI4
~
ALL CIRCUITS
DELAY LINE
(SEE FIG. 4-18)
ELECTRONICS
A9
i
1
LV POWER
+5vch, +lOOvdc, 6vac,
SUPPl Y
A4
+72
vdc, -72 vdc
DELAY
LINE HV POWER
A IS
SUPPl Y
f--
1.2 kvdc, 12 kvdc, 500 vdc
AS
VIDEO
VIDEO
PREAMP-
r--
AMPLIFIER
lIFIER
A8
A7
INTERFACE
CIRCUITS
PIO A14
VERTICAL
VERTICAL
AND
HORIZONTAL
AMPLIFIER
A2
HORIZON
DEFLECTION
TAL
N DEFLECTIO
/
IJ
I I
CRT V2
MINtR
~
VERTICAL
}WEEP
CLEAR TO SEND
RECEIVED DATA
TRANSMITTED DATA
REQUEST TO SEND
Figure 4-12. Model 402-2AM13 Display Terminal, Overall Block Diagram