19
KX-TG6700B/KX-TG6702B/KX-TGA670B
4.5.6.
Auto Disconnect Circuit
Function:
This circuit is used to detect the fact that another telephone connected to the same line is OFF-HOOK while the unit is in mes-
sage receiving, OGM transmitting and Hold status.
Circuit Operation:
Operational amplifier with high value resisters is used in order to isolate both lines.
This circuit gain is controlled by the signal (inverse RLY). When the base unit is in off-hook condition, the control signal logic is
zero.
This circuit transforms the voltage of the line and DSP monitors the result of the transformation.
When the DSP detects the voltage drop 0.2 V or more by parallel-connected telephone off-hook, the unit will disconnect the line.
Pin 113 is for Line 1.
Pin 128 is for Line 2.
Line 1
Содержание KX-TG6700B - Cordless Phone - Operation
Страница 2: ...2 KX TG6700B KX TG6702B KX TGA670B ...
Страница 6: ...6 KX TG6700B KX TG6702B KX TGA670B 3 Specifications ...
Страница 27: ...27 KX TG6700B KX TG6702B KX TGA670B 4 8 2 Power Supply Circuit Voltage is supplied separately to each block ...
Страница 36: ...36 KX TG6700B KX TG6702B KX TGA670B 4 11 Signal Route Each signal route is as follows ...
Страница 37: ...37 KX TG6700B KX TG6702B KX TGA670B RF part signal route ...
Страница 38: ...38 KX TG6700B KX TG6702B KX TGA670B 5 Location of Controls and Components 5 1 Controls 5 1 1 Base Unit ...
Страница 41: ...41 KX TG6700B KX TG6702B KX TGA670B 6 1 2 Connecting the Telephone Line Cord ...
Страница 42: ...42 KX TG6700B KX TG6702B KX TGA670B 6 1 2 1 If you subscribe to a DSL service ...
Страница 45: ...45 KX TG6700B KX TG6702B KX TGA670B 7 Operation Instructions 7 1 Symbols Used in These Operating Instructions ...
Страница 47: ...47 KX TG6700B KX TG6702B KX TGA670B ...
Страница 48: ...48 KX TG6700B KX TG6702B KX TGA670B 7 2 2 Programming Using the Direct Commands ...
Страница 49: ...49 KX TG6700B KX TG6702B KX TGA670B ...
Страница 50: ...50 KX TG6700B KX TG6702B KX TGA670B 7 3 Error Messages ...
Страница 52: ...52 KX TG6700B KX TG6702B KX TGA670B ...
Страница 53: ...53 KX TG6700B KX TG6702B KX TGA670B ...
Страница 54: ...54 KX TG6700B KX TG6702B KX TGA670B ...
Страница 74: ...74 KX TG6700B KX TG6702B KX TGA670B 10 1 9 5 RF DSP Interface Signal Wave Form Test Burst Mode ...
Страница 75: ...75 KX TG6700B KX TG6702B KX TGA670B Test Burst Mode ...
Страница 82: ...82 KX TG6700B KX TG6702B KX TGA670B 11 1 2 Handset ...
Страница 83: ...83 KX TG6700B KX TG6702B KX TGA670B 11 1 3 Charger Unit ...
Страница 84: ...84 KX TG6700B KX TG6702B KX TGA670B 11 2 Fix the LCD and the Receiver Guide to the Main P C Board Handset ...
Страница 95: ...95 KX TG6700B KX TG6702B KX TGA670B Memo ...
Страница 99: ...99 KX TG6700B KX TG6702B KX TGA670B Memo ...
Страница 108: ...108 KX TG6700B KX TG6702B KX TGA670B Memo ...
Страница 118: ...118 KX TG6700B KX TG6702B KX TGA670B 15 3 Explanation of IC Terminals RF Part 15 3 1 IC701 ...
Страница 119: ...119 KX TG6700B KX TG6702B KX TGA670B 15 3 2 IC801 Backside Terminal GND ...
Страница 120: ...120 KX TG6700B KX TG6702B KX TGA670B 15 3 3 IC851 Backside Terminal GND ...
Страница 124: ...124 KX TG6700B KX TG6702B KX TGA670B 16 3 Cabinet and Electrical Parts Charger Unit ...
Страница 125: ...125 KX TG6700B KX TG6702B KX TGA670B 16 4 Accessories and Packing Materials 16 4 1 KX TG6700B ...
Страница 126: ...126 KX TG6700B KX TG6702B KX TGA670B 16 4 2 KX TG6702B ...
Страница 127: ...127 KX TG6700B KX TG6702B KX TGA670B 16 4 3 KX TGA670B ...