POWER SUPPLY
— 3 —
Fig. 3
The power supply consists of DC-DC converter, and causes the voltages to be output as shown in Table - 2.
Table - 2
Name
Voltage
Function
VCC2
4.0
±
0.02V
Main voltage
VCC6
48.0 ~ 72.0V
Tuning voltage
VCC7
28.0 ~ 40.0V
Display voltage
VEE1
-8.4 ~ -5.6V
Display voltage
DC 6V
GND
from IC400
Vref
GND
VCC2
VEE1
VCC7
VCC6
D115
D116
D117
D118
Q102
C152
Q101
R104
T100
LC12U-21
L101
C151
Q100
R103
R101
C153
C115
C116
C117
C118
2
1
9
8
3
4
5
6
7
