Panasonic KX-TG2873BXS, Service Manual

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89
KX-TG2873BXS/KX-TGA280BXS
103 REG1_Sense A.I - - I
104 REG1 control D.O - - H
105 REG2 control D.O - - L
106 Power Source
INPUT
VBA
T2
- - I
107 CID Signal INPUT A.I Analog Analog I
108 Analog GND AGN
D
- - -
109 1.8V +1.8
V
- - -
110 SP/HS Rec-OUT A.O Analog Analog O
111 HS Rec-OUT A.O Analog Analog O
112 CID Signal INPUT A.I Analog Analog O
113 CID AMPO A.O Analog Analog O
114 HS MIC IN A.I Analog Analog I
115 AFE-GND GND - - O
116 MIC Bias A.O - - O
117 Analog REF(0.9V) A.O - - O
118 HS MIC IN A.I Analog Analog I
119 MIC REF (1.5V) A.O - - I
120 Ext Reset IN I(1.8
V)
- Reset I-PU
121 ROM Select D.I External Internal I
122 Address bus D.O - - H
123 Address bus D.O - - H
124 Address bus D.O - - H
125 Address bus D.O - - H
126 Address bus D.O - - H
127 Address bus D.O - - H
128 Address bus D.O - - H
PIN Description I/O High High_Z Low