19.4. Charge Circuit
Circuit Operation:
When charging the handset on the base unit, the charge current is as follows;
DC (JK2) L8 D6 Q14 Q24 L7 CHG+(Base) [CHG+(Handset) L4 Q9
BATT(1)....Battery....BATT(2) L5
CHG-(Handset)] CHG-(Base) L5,
In this way, the CPU on both unit detects the fact that the battery is charged.
The charge current is controlled by switching Q24, Q25 of Base Unit. The battery is charged in
normal mode for 15 hours and then in trickle mode.
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Содержание KX-TC2000SNB
Страница 5: ...4 2 Battery information 5 BATTERY REPLACEMENT 5 ...
Страница 6: ...6 LOCATION OF CONTROLS 6 1 Base Unit 6 ...
Страница 7: ...6 2 Handset 7 ...
Страница 8: ...7 CONNECTION 8 ...
Страница 10: ...8 OPERATIONS 8 1 Making Calls 10 ...
Страница 11: ...8 2 Answering Calls 8 3 Storing Phone Numbers in Memory 11 ...
Страница 12: ...8 4 Storing a Phone Number in the DIRECT Button 8 5 Dialing a Stored Number 12 ...
Страница 13: ...8 6 Dialing the Stored Number in the DIRECT Button 8 7 Flash Button 13 ...
Страница 26: ...Note Refet to CIRCUIT BOARD Handset Signal Route 12 2 How to change the channel 12 3 Adjustment 26 ...
Страница 29: ...29 ...
Страница 31: ... The channel is changed if the noise interferes with the conversation 16 2 Ringing 31 ...
Страница 32: ...16 3 Changing the Channel 32 ...
Страница 45: ...Fig 6 21 CPU DATA Base Unit 21 1 IC2 45 ...
Страница 46: ...22 CPU DATA Handset 22 1 IC2 46 ...
Страница 47: ...23 RF IC Base Unit and Handset 23 1 IC1 47 ...
Страница 50: ... BASE UNIT 26 CABINET AND ELECTRICAL PARTS LOCATION HANDET 50 ...
Страница 51: ...27 ACCESSORIES AND PACKING MATERIALS 51 ...
Страница 66: ...33 2 Flow Solder Side View G KXTC2000SNB KXTC2000SNS 66 ...
Страница 74: ...IC5 JK1 Marked ...
Страница 75: ...IC2 DPX1 Marked ...