Note:
See
CIRCUIT BOARD (BASE UNIT)
().
17.3.1. Charge Circuit
The voltage from the AC is supplied to the main charge circuits. Normal charge (290 mA) of
maximum 6-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
17.4. Reset Circuit
Function:
This circuit is used to initialize the microcomputer when it incorporates an AC adaptor.
Circuit Operation:
When the AC Adaptor is inserted into the unit, then the voltage is shifted by IC100, D101 and
power is supplied to the DSP.
The set can operate beyond point
in the circuit voltage diagram.
56
Содержание KXTG2226W - 2.4GHZ DIGITAL PHONE
Страница 6: ...4 5 Battery Replacement 4 6 Battery information 5 LOCATION OF CONTROLS 5 1 Base Unit 6 ...
Страница 7: ...5 2 Handset 7 ...
Страница 8: ...6 DISPLAY 6 1 Troubleshooting 8 ...
Страница 9: ...9 ...
Страница 10: ...10 ...
Страница 11: ...11 ...
Страница 12: ...12 ...
Страница 14: ...7 2 Downloading Phone Book Data 14 ...
Страница 15: ...15 ...
Страница 16: ...7 3 Information Download Handset 16 ...
Страница 17: ...8 SETTINGS 8 1 Connections 8 2 Display Language 17 ...
Страница 18: ...8 3 Dialing Mode Handset 8 4 Direct Commands 18 ...
Страница 19: ...9 OPERATIONS 9 1 Making Calls Handset 19 ...
Страница 20: ...20 ...
Страница 21: ...21 ...
Страница 22: ...9 2 Answering Calls Handset 9 3 FLASH Button Handset 22 ...
Страница 23: ...9 4 Erasing Messages 23 ...
Страница 25: ...25 ...
Страница 26: ...9 5 2 Dialing from the Phone Book Handset 26 ...
Страница 27: ...9 5 3 Editing an Item in the Phone Book Handset 27 ...
Страница 28: ...9 5 4 Erasing an Item in the Phone Book Handset 10 DISASSEMBLY INSTRUCTIONS 28 ...
Страница 31: ...11 ASSEMBLY INSTRUCTIONS 11 1 Fix the LCD to P C Board Handset 12 TROUBLESHOOTING GUIDE 31 ...
Страница 37: ...12 6 Check Link 37 ...
Страница 45: ...12 8 Check Handset Transmission Cross Reference SIGNAL ROUTE 45 ...
Страница 48: ...13 3 Test mode flow chart for Handset 48 ...
Страница 53: ...COMMUNICATION 15 1 Calling 15 2 To Terminate Communication 15 3 Ringing 53 ...
Страница 64: ...20 SIGNAL ROUTE Each signal route is as follows 64 ...
Страница 65: ...21 CPU DATA BASE UNIT 21 1 IC201 65 ...
Страница 66: ...22 CPU DATA HANDSET 22 1 IC201 66 ...
Страница 67: ...23 EXPLANATION OF RF UNIT TERMINALS 23 1 IC801 67 ...
Страница 68: ...68 ...
Страница 71: ...26 CABINET AND ELECTRICAL PARTS HANDSET 71 ...
Страница 72: ...27 ACCESSORIES AND PACKING MATERIALS 72 ...
Страница 73: ...28 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 28 1 Base Unit 28 2 Handset 73 ...
Страница 75: ...29 1 Base Unit 29 1 1 Cabinet and Electrical Parts 75 ...
Страница 90: ...18 1 1 30 PbF IC201 CN101 CN100 30 51 50 1 Marked ...
Страница 92: ...LCD900 1 12 MSG1 REG CHK ANS1 ANS2 ERS STOP REP SKIP DOWN UP ICON PbF MIC MSG2 Marked ...
Страница 93: ...IC201 PbF ANT ANTG Marked ...