Panasonic KX-TGH262B - Telephone Line Interface Circuit; Tel Interface Functions and Operation

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KX-TGH260/KX-TGH262/KX-TGH263/KX-TGH264/KX-TGHA20/KX-TGA20
4.3. Tel Interface Circuit
TX AMP
SIDE TONE
RX AMP
CONTROL CIRCUIT
CALLER ID
DETECT
BELL DETECT
P101
R142
3
4
2
1
C101
Q141
C102
SA101
TIP
RING
R141
REGULATOR
C104
R102
C106
R104
C103
R101
C105
R103
D101