Read Panasonic KX-TC1801B Service Manual online
28 SCHEMATIC DIAGRAM (Handset)
130mVp-p
270mVp-p
Loud Vol. Mid
Loud Vol. Mid
3.3V
3.0V
140mVp-p
2.4V
490mVp-p
90mVp-p (Headset)
TX
RX
-43dBm/600
(Headset)
Input 1.1kHz
Input 1.1kHz
Input 1.1kHz
18mVp-p (-45dBm/600 )
18mVp-p (-45dBm/600 )
0.45V
3.0V
IC201
IC203
IC202
IC205
KX-TC1801B
57
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