14 CIRCUIT OPERATION (Handset)
14.1. Power Supply Circuit
Voltage is supplied separately to each block.
BATTERY
+3.6V
KEY, BACK
LIGHT
LCD
RF IC
IC101
PA
REG +3.3V
Q204, IC204
DSP
IC201
E2PROM
IC202
MIC
CIRCUIT
+3.6V
+3.3V
+3.3V
+3.3V
+2.7V
REG +3.3V
IC203
Block Diagram (Handset Power)
RF UNIT
LEDS
+3.3V
BATT+
BATT-
D214
D216
CHARGE2
CN202
CHARGE1
Q203
Q211
CN202
14.2. Charge Circuit
Ni-cd battery is connected to CN202. When the handset is put on the cradle of the base unit, the power is supplied from CHARGE1
and CHARGE2 terminals to charge the battery. Q207 detects the voltage of CHARGE1 and CHARGE2 terminals, then the handset
makes ID code setting (*) with the base unit.
65
KX-TG2559LBS
Summary of Contents for KX-TG2559LBS
Page 4: ...1 LOCATION OF CONTROLS 1 1 Base Unit 4 KX TG2559LBS ...
Page 5: ...1 2 Handset 5 KX TG2559LBS ...
Page 7: ...7 KX TG2559LBS ...
Page 9: ...3 2 Adding Another Phone 9 KX TG2559LBS ...
Page 11: ...3 3 4 Battery information 3 3 5 Standby mode The handset is off the base Unit 11 KX TG2559LBS ...
Page 12: ...3 4 Selecting the Dialing Mode 12 KX TG2559LBS ...
Page 13: ...3 5 Selecting the Line Mode 13 KX TG2559LBS ...
Page 14: ...4 OPERATION 4 1 Making Calls 14 KX TG2559LBS ...
Page 15: ...15 KX TG2559LBS ...
Page 16: ...4 2 Answering Calls 16 KX TG2559LBS ...
Page 17: ...4 3 Flash Button 17 KX TG2559LBS ...
Page 21: ...21 KX TG2559LBS ...
Page 22: ...4 4 4 Calling back from the caller list 22 KX TG2559LBS ...
Page 24: ...4 4 6 Storing caller list information in the directory 24 KX TG2559LBS ...
Page 26: ...5 DISASSEMBLY INSTRUCTIONS 26 KX TG2559LBS ...
Page 28: ...6 ASSEMBLY INSTRUCTIONS 6 1 Assembly the LCD to P C Board Handset 28 KX TG2559LBS ...
Page 29: ...6 2 How To Check Splash Resistance 29 KX TG2559LBS ...
Page 31: ...7 TROUBLESHOOTING GUIDE 31 KX TG2559LBS ...
Page 32: ...7 1 Check Power 32 KX TG2559LBS ...
Page 34: ...7 3 Check Link 34 KX TG2559LBS ...
Page 41: ...7 4 6 RF DSP Interface Signal Wave Form 41 KX TG2559LBS ...
Page 42: ...7 5 Check Handset Voice Transmission 7 6 Check Handset Voice Reception 42 KX TG2559LBS ...
Page 43: ...7 7 Check Call ID 43 KX TG2559LBS ...
Page 50: ...8 7 Frequency Table 50 KX TG2559LBS ...
Page 55: ...10 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 10 1 Base Unit 10 2 Handset 55 KX TG2559LBS ...
Page 60: ...60 KX TG2559LBS ...
Page 67: ...15 CPU DATA Base Unit 15 1 IC501 68 KX TG2559LBS ...
Page 68: ...16 CPU DATA Handset 16 1 IC201 69 KX TG2559LBS ...
Page 69: ...17 EXPLANATION OF IC TERMINALS RF Unit Base Unit 17 1 IC101 70 KX TG2559LBS ...
Page 71: ...19 CABINET AND ELECTRICAL PARTS Base Unit 72 KX TG2559LBS ...
Page 72: ...20 CABINET AND ELECTRICAL PARTS Handset 73 KX TG2559LBS ...
Page 73: ...21 ACCESSORIES AND PACKING MATERIALS 74 KX TG2559LBS ...
Page 79: ...23 3 MEMO 80 KX TG2559LBS ...
Page 87: ...28 2 Flow Solder Side View IC551 B E C B E C KX TG2559LBS 88 ...
Page 90: ...91 KX TG2559LBS M H KXTG2559LBS Printed in Japan ...