5 - 5
CPU5
V
reg
u
rator
+5
V
reg
u
rator
S5
V
reg
u
rator
T5
V
reg
u
rator
R5
V
reg
u
rator
Po
w
er s
w
itch
R315
F701
(PA
u
nit )
Q26–Q2
8
IC17
Q23
Q24, Q49
Q25
V
CC
CPU5
CPU
+5
V
S5
V
“S5C”
“P
W
O
N
”
V
oltage line
Control signal
8
22
8
7
88
“T5C”
“R5C”
T5
V
LED
b
acklight dri
v
er (Q45),
LCD dri
v
er (IC20),
D/A con
v
erter (IC12), etc.
CPU (IC22),
EEPROM (IC10),
Reset IC (IC
8
), etc.
Dri
v
e amplifier (Q702),
Po
w
er amplifier (Q701), etc.
PLL IC (IC2),
V
CO’s, etc.
Transmit circ
u
its
Recei
v
e circ
u
its
R5
V
(IC22)
Battery pack
5-4 POWER SUPPLY CIRCUITS
Voltage from the attached battery pack is routed to whole of the circuit in the transceiver via a switch and regulators.
