Read Panasonic KX-NCP1290CJ (serv.man2) Service Manual online
12
KX-NCP1290CJ
3.2.6.
Power Supply
This card is supplied +15V power through the backboard connector (90pin) from the power supply unit.
The +15V power supply generates +3.3V 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.
Shows the system diagram of the power supply.
The +15V power supply generates +3.3V 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.
Shows the system diagram of the power supply.
System diagram of the power supply
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