Read Panasonic KX-TDE620BX (serv.man2) Service Manual online
11
KX-TDE620BX
4.3.
Back Board Circuit Operation
The back board (BB) connects signals between optional card in KX-TDA620. It also supplies power from the power supply unit
to the cards.
Connectors Explanation
(1) Power Supply Unit Connector: CN100
(2) Free Slot Connectors: CN101 to CN111
(3) BUS-S Card Connector: CN112
(4) FAN Connector: CN115
(5) LED Connector: CN114
(6)Voltage drop Resistor for Fan control: R400
to the cards.
Connectors Explanation
(1) Power Supply Unit Connector: CN100
(2) Free Slot Connectors: CN101 to CN111
(3) BUS-S Card Connector: CN112
(4) FAN Connector: CN115
(5) LED Connector: CN114
(6)Voltage drop Resistor for Fan control: R400
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