Read Panasonic KX-TG2560B / KX-TG2560S Service Manual online
38
KX-TG2560B/KX-TG2560S
NEW CIRCUIT OPERATION (Base Unit)
1. SP-PHONE RX Circuit
Circuit Operation:
Telephone Line
→
C721
→
R724
→
C720
→
R723
→
pin 38 of IC703
→
pins 32 and 33 of IC701
→
Speaker
2. SP-PHONE TX Circuit
Circuit Operation:
MIC
→
C715
→
C714
→
C733
→
R755
→
pin 47 of IC701
→
pin 36 of IC701
→
R718
→
C710
→
C709
→
Q105
→
Telephone Line
Circuit Diagram
C108
C110
T
R
R717
R723
R724
R116
R118
R115
D106
C711
C720
32
33
38
39
IC701
SP
R113
R125
C111
Q105
C113
R117
R114
R112
C107
C106
C721
Circuit Diagram
C108
C713
R712
R112
T
R
R116
R118
R115
36
37
47
48
IC701
R113
C111
Q105
C113
R117
R114
R719
R714
R755
C716
C107
C106
C709
C715
C714
C732
C733
C710
R718
R715
R740
MIC
C731
C110
D106
R125
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