Heathkit IO-4205 - Page 191

FI RST
I NPU T GA I N SECOND
VERTICAL
DEFLECTION AMPL I FI ER ATTENUATOR AMPLIF I ER AMPLIF I ER
DI ODE
SW I TCH
AND
Dl SPLAY
CONTROL
Y2 TRIGGER AMP
TR I GGER
SELEC T
YI
v
2
o
0
Ll N E. o.--o---f T R I G G E R
EX T )>-----Jr
EXT HOR I Z
I N PUT
ATTE NU ATOR
CI RCU I T
0
HORIZONTAL
DEFLECT I ON AMPLIFIER
S WEE P 1-- --<l +- -o- --f
CIRCU IT SWEEP
EXT - X
BLOCK DIAGRAM
\
\
\
BLANK I NG
AND
HIGH
VOLTAGE
SUPPLY
LOW
VOLTAGE
SUPPLY
AN D
REGULATORS