Panasonic KX-TS2358UAB / KX-TS2358UAW (serv.man3) Service Manual ▷ View online
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KX-TS2358UAB/KX-TS2358UAW
4.2.4.
Caller ID Detect Circuit
4.2.4.1.
Function (FSK signal)
The caller ID is a chargeable ID which the user of a telephone circuit obtains by entering a contract with the telephone company
to utilize a caller ID service. For this reason, the operation of this circuit assumes that a caller ID service contract has been
entered for the circuit being used.
The Caller-ID data from exchange is supplied to the telephone using the method of FSK and displayed on LCD of the unit.
to utilize a caller ID service. For this reason, the operation of this circuit assumes that a caller ID service contract has been
entered for the circuit being used.
The Caller-ID data from exchange is supplied to the telephone using the method of FSK and displayed on LCD of the unit.
• FSK (Frequency Shift Keying) format
4.2.4.2.
Circuit operation
Caller ID
Caller ID signal is sent through the circuit via the following path:
LINE
Caller ID signal is sent through the circuit via the following path:
LINE
→ C501/C502 → C551/C552 → R551/R552 → R553/R554 → IC801 (pin 92, 93)
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KX-TS2358UAB/KX-TS2358UAW
5 Location of Controls and
Components
5.1.
Location of Controls
5.2.
Display
Cross Reference:
Battery Installation and Replacement (P.14)
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KX-TS2358UAB/KX-TS2358UAW
6 Installation Instructions
6.1.
Connections
6.2.
Connecting a Communication Device
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KX-TS2358UAB/KX-TS2358UAW
6.3.
Battery
6.3.1.
Battery Installation and Replacement
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