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7.7. POWER SUPPLY
This card is supplied +15V power through the backboard connector (90pin) from the power
supply unit.
The +15V power supply generates +5V, +3.3V and +1.8V via DC/DC converter, and they are fed
as the power of circuit in the card.
The +40V power supply is not used due to no feeding to the line.
Fig.5.9 shows the system diagram of the power supply.
Fig.5.9 System diagram of the power supply
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