ex: Telephone Directory number, Caller ID data, ID code
- Settings
ex: message numbers, caller ID numbers, pulse tone dial
13.3. Power Supply Circuit
Function:
The power supply voltage from AC adaptor is converted to the desired voltage of each block.
Circuit Operation:
This unit supplies the voltage to each block as shown below.
13.3.1. Charge Circuit
The voltage from the AC is supplied to the main charge circuits. Normal charge (70 mA) of
maximum 20-hours is started soon after the Handset is placed on the base unit. Then it changes
to trickle charge (15 mA on the average) to prevent from overcharging.
Normal charge : Q150 is ON
Trickle charge : Q150 is OFF
13.4. Reset Circuit
Function:
This circuit is used for to initialize the microcomputer when it incorporates an AC adaptor.
49
Содержание KX-TC1743B
Страница 2: ...1 STANDARD BATTERY LIFE 2 ...
Страница 3: ...2 LOCATION OF CONTROLS 2 1 Base unit 3 ...
Страница 4: ...2 2 Handset 4 ...
Страница 6: ...6 ...
Страница 7: ...3 2 Base unit 7 ...
Страница 8: ...8 ...
Страница 9: ...4 CONNECTIONS Note USE ONLY WITH Panasonic AC ADAPTOR KX TCA1 G 9 ...
Страница 11: ...11 ...
Страница 12: ...12 ...
Страница 13: ...13 ...
Страница 14: ...5 1 2 With the Base Unit Digital Duplex Speakerphone 14 ...
Страница 15: ...15 ...
Страница 16: ...16 ...
Страница 19: ...5 3 1 Setting the Unit to Answer Calls 5 4 Listening to Messages 19 ...
Страница 20: ...5 4 1 During playback 20 ...
Страница 21: ...21 ...
Страница 22: ...6 DISASSEMBLY INSTRUCTIONS 22 ...
Страница 23: ...23 ...
Страница 25: ...7 ASSEMBLY INSTRUCTIONS 7 1 Assembly the LCD to P C Board Handset 8 TROUBLESHOOTING GUIDE 25 ...
Страница 31: ...NOTE Flash Memory is IC300 DSP is IC201 8 8 Check Link 31 ...
Страница 38: ...NOTE Flash Memory is IC300 DSP is IC201 8 9 5 RF DSP interface signal wave form 38 ...
Страница 41: ...9 3 Test mode flow chart for Handset 41 ...
Страница 45: ...11 EXPLANATION OF BBIC Base Band IC DATA COMMUNICATION 11 1 Calling 45 ...
Страница 46: ...11 2 To Terminate Communication 11 3 Ringing 46 ...
Страница 56: ...14 BLOCK DIAGRAM Handset 56 ...
Страница 60: ...16 CPU DATA Base Unit 16 1 IC201 60 ...
Страница 61: ...17 CPU DATA Handset 17 1 IC201 61 ...
Страница 62: ...18 EXPLANATION OF IC TERMINALS RF Unit 18 1 IC101 62 ...
Страница 63: ...63 ...
Страница 66: ...21 CABINET AND ELECTRICAL PARTS Handset 66 ...
Страница 67: ...22 ACCESSORIES AND PACKING MATERIALS 67 ...
Страница 68: ...23 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 23 1 Base Unit 23 2 Handset 68 ...
Страница 82: ......
Страница 83: ...IC202 IC201 NC NC NC NC NC NC NC 1 2 3 4 5 6 23 24 26 28 30 31 34 36 42 35 27 ...
Страница 86: ...IC203 IC201 IC202 IC204 IC205 1 G 2 3 4 5 6 7 8 9 10 11 12 13 G G 15 16 14 G G G G G 18 17 G MICM MICP ...
Страница 87: ......
Страница 88: ...NC NC 1 2 3 4 13 14 15 16 17 19 20 21 22 26 23 25 5 12 IC201 IC202 IC300 ...
Страница 91: ...100Ω ANT GND HANDSET COMPONENT VIEW ANT TEST PULL UP SP SP MIC MIC 10µ 10µ IC203 IC201 IC202 IC204 IC205 ...
Страница 92: ...IC300 IC202 IC331 IC332 IC100 IC201 ANT GND ANT COMPONENT VIEW TEST ...
Страница 93: ...Line A Line B FLOW SOLDER SIDE VIEW ...
Страница 94: ...IC101 ...
Страница 95: ...TX RX 16 2 15 14 13 12 11 10 9 8 7 6 5 4 IC101 IC102 ...