Tektronix 465B

Theory of Operation—465B Service
UNREGULATED
CR4431
LINE
VOLTAGE
S14510
SERIES
REGULATOR
Q4425
FEEDBACK
AMP
U4411A
Q4303
Q4302
\
CR4423
VR4422
S14510
| POWER
|
REGULATING
RANGE
SELECTOR
—8
V
SERIES
REGULATOR
Q4102
Figure
3-14. Detailed block diagram ol the
Low-Voltage Power Supply circuit.
3-26
REV A
SEP 1979