Panasonic KX-FM330GR Service Manual page 22

KX-FM330GR
3 CIRCUIT OPERATIONS
3.1. NCU SECTION
Change from original page 172 (6.9. NCU SECTION)
3.1.1. GENERAL
This section is the interface with the telephone line. It is composed of a telephone line connection, bell detection circuit, pulse dial
circuit, auto disconnect circuit, side tone circuits and remote fax activation circuit.
3.1.2. TELEPHONE LINE CONNECTION
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