Analog Circuit Of Telephone Section - Panasonic KX-MB2061CXB Service Manual

6.4.

Analog circuit of Telephone section

6.4.1. General
This section is the explanation about analog signal route of voice, beep, fax signal, DTMF signal and so on.
Refer to Check Sheet for Signal Route (P.193).
6.4.1.1. Telephone Monitor
1. Function
This is the function when you are not holding the handset and can hear the caller's voice from the line.
2. Signal Path
Refer to Check Sheet for Signal Route(P.193).
6.4.1.2. Handset Circuit
1. Function
This circuit controls the conversation over the handset, i.e. the transmitted and received voices to and from the handset.
2. Signal Path (Transmission signal)
Refer to Check Sheet for Signal Route(P.193).
6.4.1.3. Monitor Circuit
1. Function
This circuit monitors various tones, such as (1) DTMF tone, (2) Alarm/Beep/Key tone/Bell.
2. Signal Path
Refer to Check Sheet for Signal Route (P.193).
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KX-MB2061CXB/KX-MB2061CX2/KX-MB2062CXB