Panasonic KX-TDA0155CE Service Manual page 39

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9
DC voltage (start up)
4.0V
5.. 2 5V
10
DCDCIC check
4.0V
11
IPBX receive signal (1)
3.2V
2.1V
1.6V
12
IPBX receive signal (2)
3.. 2 V
3.2V
13
PBX receive signal (3)
DCDCIN
3.. 2 V
DCDCOUT
14
Highway signal
3.2V
IC203 pin2
3.. 2 V
IC203 pin7 3.. 2 V
3.. 2 V
IC104 pin36
PDR
IC104 pin37
PDRH
IC104 pin35
PDRL
IC104 pin39
PDX1
IC104 pin38
PDX0
39
KX-TDA0155CE
T101 pin2
PDR
IC104 pin26
HW_FH
IC104 pin25
HW_CLK
IC104 pin20
HW_UP
IC104 pin21
HW_DN