Panasonic KX-TC1205RUW 사용자 설명서
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16 CIRCUIT OPERATION
16.1. Outline
Base unit consists of the following ICs as shown in BLOCK DIAGRAM.
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CPU:IC2
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Controlling the whole system
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Forming/analyzing all data signals (ACK, CMD signal etc.*)
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All interfaces (ex: LED, KEY, SP, Mic, LCD, Detector Circuit (Charge/ Power Down)
*Refer to EXPLANATION OF CPU DATA COMMUNICATION (P.32).
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RF IC:IC1
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PLL Oscillator
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Detection
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Compress/ Expander
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first/ second mixer
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Amplifier for transmission and reception
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Additionally,
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Power Supply Circuit
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Reset Circuit
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Charge Circuit
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Telephone Line Interface Circuit
Handset consist of the following ICs as shown in BLOCK DIAGRAM.
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CPU: IC2
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All data signals (forming/analyzing ACK or CMD signal*)
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All interfaces (ex; LED, Key, Buzzer, Detector Circuit, Charge, Battery Low)
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RAM for keeping the data (CH Number, ID Code, etc.)
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RF IC:IC1
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PLL Oscillator
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Detector
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Compress/Expander
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first, second mixer
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Amplifier for transmission and reception
*Refer to EXPLANATION OF CPU DATA COMMUNICATION (P.32).
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KX-TC1205RUB / KX-TC1205R UW / KX-TC1205R US / KX-TC1205RUF