Read Panasonic KX-TCD700GB / KX-TCD700GH Service Manual online
18 SCHEMATIC DIAGRAM (BASE UNIT)
18.1. Line Interface
NC
NC
NC
NC
NC
NC
NC
NC
15k
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
270k
470k
220k
47k
47k
150p
470k
150p
IC7
IC3
IC4
IC2
LINE VOLTAGE 60V DC
60V DC
+60V DC ON-HOOK
+4.8V DC OFF-HOOK
+4.8V DC OFF-HOOK
0V ON-HOOK
+4.6V DC OFF-HOOK
+4.6V DC OFF-HOOK
RX-AF
0V ON-HOOK
+2.8V OFF-HOOK
+2.8V OFF-HOOK
0V ON-HOOK
+0.7V OFF-HOOK
+0.7V OFF-HOOK
2.65V DC
3.8V DC
12V DC
1.5V DC
+2.65V
PULLS TOWARDS
0V DURING RING
PULLS TOWARDS
0V DURING RING
TX-AF
RING
CLIP
(CALLER ID)
(CALLER ID)
CHARGE PULSE
HANDSET ON CHARGE
+12V
+5V
KX-TCD700GB / KX-TCD700GH
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