25
KX-TG6700BXB/KX-TGA670BXB
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: IC201
Function
• Battery Low, Power down detect circuit
• Ringer Generation
• Interface circuit
RF part, Speaker, Mic, LED, Key scan, LCD, Headset
Initialize
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: IC241
All setting data is stored.
ex: ID code, user setting (Phonebook, Caller ID data)
Содержание KX-TG6700BXB
Страница 2: ...2 KX TG6700BXB KX TGA670BXB ...
Страница 6: ...6 KX TG6700BXB KX TGA670BXB 3 Specifications ...
Страница 26: ...26 KX TG6700BXB KX TGA670BXB 4 8 2 Power Supply Circuit Voltage is supplied separately to each block ...
Страница 35: ...35 KX TG6700BXB KX TGA670BXB 4 11 Signal Route Each signal route is as follows ...
Страница 36: ...36 KX TG6700BXB KX TGA670BXB RF part signal route ...
Страница 37: ...37 KX TG6700BXB KX TGA670BXB 5 Location of Controls and Components 5 1 Controls 5 1 1 Base Unit ...
Страница 40: ...40 KX TG6700BXB KX TGA670BXB 6 1 2 Connecting the Telephone Line Cord ...
Страница 41: ...41 KX TG6700BXB KX TGA670BXB 6 1 2 1 If you subscribe to a DSL service ...
Страница 43: ...43 KX TG6700BXB KX TGA670BXB 6 4 1 Battery Level 6 4 2 Panasonic Battery Performance ...
Страница 44: ...44 KX TG6700BXB KX TGA670BXB 7 Operation Instructions 7 1 Symbols Used in These Operating Instructions ...
Страница 46: ...46 KX TG6700BXB KX TGA670BXB ...
Страница 47: ...47 KX TG6700BXB KX TGA670BXB 7 2 2 Programming Using the Direct Commands ...
Страница 48: ...48 KX TG6700BXB KX TGA670BXB ...
Страница 49: ...49 KX TG6700BXB KX TGA670BXB 7 3 Error Messages ...
Страница 50: ...50 KX TG6700BXB KX TGA670BXB 7 4 Troubleshooting ...
Страница 51: ...51 KX TG6700BXB KX TGA670BXB ...
Страница 52: ...52 KX TG6700BXB KX TGA670BXB ...
Страница 72: ...72 KX TG6700BXB KX TGA670BXB 10 1 9 5 RF DSP Interface Signal Wave Form Test Burst Mode ...
Страница 73: ...73 KX TG6700BXB KX TGA670BXB Test Burst Mode ...
Страница 80: ...80 KX TG6700BXB KX TGA670BXB 11 1 2 Handset ...
Страница 81: ...81 KX TG6700BXB KX TGA670BXB 11 1 3 Charger Unit ...
Страница 82: ...82 KX TG6700BXB KX TGA670BXB 11 2 Fix the LCD and the Receiver Guide to the Main P C Board Handset ...
Страница 93: ...93 KX TG6700BXB KX TGA670BXB Memo ...
Страница 97: ...97 KX TG6700BXB KX TGA670BXB Memo ...
Страница 106: ...106 KX TG6700BXB KX TGA670BXB Memo ...
Страница 116: ...116 KX TG6700BXB KX TGA670BXB 15 3 Explanation of IC Terminals RF Part 15 3 1 IC701 ...
Страница 117: ...117 KX TG6700BXB KX TGA670BXB 15 3 2 IC801 Backside Terminal GND ...
Страница 118: ...118 KX TG6700BXB KX TGA670BXB 15 3 3 IC851 Backside Terminal GND ...
Страница 119: ...119 KX TG6700BXB KX TGA670BXB 15 4 Terminal Guide of the ICs Transistors and Diodes 15 4 1 Base Unit 15 4 2 Handset ...
Страница 120: ...120 KX TG6700BXB KX TGA670BXB 16 Exploded View and Replacement Parts List 16 1 Cabinet and Electrical Parts Base Unit ...
Страница 122: ...122 KX TG6700BXB KX TGA670BXB 16 3 Cabinet and Electrical Parts Charger Unit ...
Страница 123: ...123 KX TG6700BXB KX TGA670BXB 16 4 Accessories and Packing Materials 16 4 1 KX TG6700BXB ...
Страница 124: ...124 KX TG6700BXB KX TGA670BXB 16 4 2 KX TGA670BXB ...