Yaesu MEMORIZER FT-227R Instruction Manual page 21

fed through the voltage regulator,
/
by the HI LOW switch and the automatic final protection circuit.
V oltage regulator,
5 0308
Volts to supply
( RD6, 8 EB)
D301,
regulates the supply voltage at
VCO and phase comparator.
trol unit is regulated by a zener diode,
ed directly to keep memory when the power switch is turned off with
M
switch pressed.
A
8
regulated Volt supply using
circuits.
When the function switch is at
to
5
Volts the receiver. and
transmitter.
011 ( 2SD235D)
0605 (,uPC14305)
regulates the supply voltage at
and the display unit,
5
The Volts supply
0117, (pPC14308)
MEM
position,
D5, (WZ050)
IOkHz
Figure
- 1 9 -
which is controlled
0313, ( 2SC372Y)
6
Volts for the
for the PLL con­
D3, ( WZ050)
and is connect­
is used for all other
D4 (WZ050)
5
supplies Volts to the
MHz
IOOkHz
8
and
supplies