KX-NCP1188XJ - Panasonic PBX Service Manual (repair manual). Page 15

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15
     KX-NCP1188XJ
4.8.
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.
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