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KX-TG6071BXM/KX-TGA601BXM
4.8.
Circuit Operation (Handset)
4.8.1.
Construction
The circuit mainly consists of DSP and RF part as shown in the block diagram.
4.8.1.1.
DSP: IC501
Function
• Battery Low, Power down detect circuit
• Ringer Generation
• Interface circuit
RF part, Speaker, Mic, LED, Key scan, LCD, Headset
Initial waves
Note:
(*1) The initializing time of the DSP chip is 20 ms under normal conditions.
4.8.1.2.
RF part
Mainly voice signal is modulated to RF, or it goes the other way.
4.8.1.3.
EEPROM: IC541
All setting data is stored.
ex: ID code, user setting (Phonebook, Caller ID data)
Summary of Contents for KX-TG6071BXM
Page 2: ...2 KX TG6071BXM KX TGA601BXM ...
Page 29: ...29 KX TG6071BXM KX TGA601BXM 4 10 Signal Route ...
Page 30: ...30 KX TG6071BXM KX TGA601BXM RF part signal route ...
Page 35: ...35 KX TG6071BXM KX TGA601BXM 7 1 2 Programming using the Direct Commands ...
Page 37: ...37 KX TG6071BXM KX TGA601BXM 7 3 Error Messages ...
Page 38: ...38 KX TG6071BXM KX TGA601BXM 7 4 Troubleshooting ...
Page 39: ...39 KX TG6071BXM KX TGA601BXM ...
Page 40: ...40 KX TG6071BXM KX TGA601BXM ...
Page 62: ...62 KX TG6071BXM KX TGA601BXM 10 1 8 5 RF DSP Interface Signal Wave Form Test Burst Mode ...
Page 63: ...63 KX TG6071BXM KX TGA601BXM Test Burst Mode ...
Page 71: ...71 KX TG6071BXM KX TGA601BXM ...
Page 72: ...72 KX TG6071BXM KX TGA601BXM 11 1 2 Handset ...
Page 73: ...73 KX TG6071BXM KX TGA601BXM 11 2 How to Replace the Handset LCD ...
Page 74: ...74 KX TG6071BXM KX TGA601BXM ...
Page 81: ...81 KX TG6071BXM KX TGA601BXM Memo ...
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Page 100: ...100 KX TG6071BXM KX TGA601BXM Memo ...
Page 106: ...106 KX TG6071BXM KX TGA601BXM 15 3 Explanation of IC Terminals RF Part 15 3 1 IC701 ...
Page 107: ...107 KX TG6071BXM KX TGA601BXM 15 3 2 IC801 ...
Page 111: ...111 KX TG6071BXM KX TGA601BXM 16 3 Accessories and Packing Materials ...