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18 CIRCUIT OPERATION (CHARGER UNIT)
The voltage from the AC is supplied to the charge circuits. Main charge (180mA at the Battery) of maximum 6-hours is started
soon after the Handset is placed on the Base Unit. Then it changes to Trickle charge to prevent from overcharging.
Charging form
Q4 detects the ON-HOOK state (Handset is placed on Base Unit), then Q5 turns ON and LED1 lights up.
Q2 and Q3 regulate the charge current.
The route for this is as follows: DC+pin of CN1
→
D1
→
Q30
→
L30
→
D2
→
pad
→
Handset
→
CHARGE pad
→
Q2
→
R4,
R5, R9 and R10
→
DC pin of CN1.
83
KX-TG5571BXM / KX-TGA550BXM
Содержание KX-TG5571BXM
Страница 8: ...4 2 Location of Controls 4 2 1 Base Unit 8 KX TG5571BXM KX TGA550BXM ...
Страница 9: ...4 2 2 Handset 4 2 3 Charger Unit for Optional Handset 9 KX TG5571BXM KX TGA550BXM ...
Страница 10: ...4 3 Displays 4 3 1 Display Items 4 3 2 Menu Icons 10 KX TG5571BXM KX TGA550BXM ...
Страница 11: ...4 3 3 Troubleshooting Handset LCD 11 KX TG5571BXM KX TGA550BXM ...
Страница 12: ...12 KX TG5571BXM KX TGA550BXM ...
Страница 13: ...4 4 Settings 4 4 1 Connections 13 KX TG5571BXM KX TGA550BXM ...
Страница 14: ...4 4 2 Guide to Handset Programming 14 KX TG5571BXM KX TGA550BXM ...
Страница 15: ...15 KX TG5571BXM KX TGA550BXM ...
Страница 17: ...4 4 4 Direct Commands 17 KX TG5571BXM KX TGA550BXM ...
Страница 18: ...18 KX TG5571BXM KX TGA550BXM ...
Страница 19: ...19 KX TG5571BXM KX TGA550BXM ...
Страница 21: ...21 KX TG5571BXM KX TGA550BXM ...
Страница 22: ...22 KX TG5571BXM KX TGA550BXM ...
Страница 23: ...23 KX TG5571BXM KX TGA550BXM ...
Страница 24: ...24 KX TG5571BXM KX TGA550BXM ...
Страница 36: ...7 9 1 1 Canceling the Handset Registration 7 9 1 2 Reregistering the Handset 36 KX TG5571BXM KX TGA550BXM ...
Страница 40: ...7 9 5 RF DSP Interface Signal Wave Form Test Burst Mode 40 KX TG5571BXM KX TGA550BXM ...
Страница 41: ... Test Burst Mode 41 KX TG5571BXM KX TGA550BXM ...
Страница 80: ...17 2 Power Supply Circuit Voltage is supplied separately to each block 80 KX TG5571BXM KX TGA550BXM ...
Страница 84: ...19 SIGNAL ROUTE Each signal route is as follows 84 KX TG5571BXM KX TGA550BXM ...
Страница 85: ...Each signal route is as follows RF part signal route 85 KX TG5571BXM KX TGA550BXM ...
Страница 88: ...22 EXPLANATION OF IC TERMINALS RF PART 22 1 IC701 88 KX TG5571BXM KX TGA550BXM ...
Страница 89: ...22 2 IC801 Backside Terminal GND 89 KX TG5571BXM KX TGA550BXM ...
Страница 90: ...22 3 IC851 Backside Terminal GND 90 KX TG5571BXM KX TGA550BXM ...
Страница 93: ...24 CABINET AND ELECTRICAL PARTS BASE UNIT 93 KX TG5571BXM KX TGA550BXM ...
Страница 94: ...25 CABINET AND ELECTRICAL PARTS HANDSET 94 KX TG5571BXM KX TGA550BXM ...
Страница 95: ...26 CABINET AND ELECTRICAL PARTS CHARGER UNIT 95 KX TG5571BXM KX TGA550BXM ...
Страница 96: ...27 ACCESSORIES AND PACKING MATERIALS 27 1 KX TG5571BXM 96 KX TG5571BXM KX TGA550BXM ...
Страница 97: ...27 2 KX TGA550BXM Optional Set 97 KX TG5571BXM KX TGA550BXM ...
Страница 98: ...28 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 28 1 Base Unit 28 2 Handset 98 KX TG5571BXM KX TGA550BXM ...
Страница 99: ...28 3 Charger Unit 99 KX TG5571BXM KX TGA550BXM ...
Страница 106: ...Memo 106 KX TG5571BXM KX TGA550BXM ...
Страница 113: ...Memo 113 KX TG5571BXM KX TGA550BXM ...
Страница 124: ...Memo KX TG5571BXM KX TGA550BXM 124 ...