
33
CPU
BBIC
A/D
D/A
Analog
Front
End
Speech
Encoding
Speech
Decoding
DSP
ADPCM
Codec
Filter
BMC
RF
Interface
MIC
EEPROM
SDA
SCL
66
67
5
6
SYRI
RSSI
SYEN
RXDA
TXDA
16
12
48
23
13
RF
Module
ANT
BATTERY
TERMINAL
TP3
TP4
CHARGE
CIRCUIT
CHARGE
CHARGE DETECT
SWITCHED
SUPPLY
CHARGE
CONTACTS
TP5
4.0V
VDDBAT
VDDLR
SWITCH
31
XTAL
10.368
MHz
KEYPAD
COLUMNS
ROWS
LCD
14 Seg
Display
ON SWITCH
38
27
26
36
37
28
pin 2, 5~9
COM 0~5
segment 0~29
pin1, 90~100, 87, 78~84,
72~76, 61, 62, 56~58
EARPIECE
42
41
45
17~21
53~55, 59, 60
34
Burst
Encoding
Burst
Decoding
+
TP6
D3
KX-A143EXB/EXC/EXW BLOCK DIAGRAM (HANDSET)
46
20
4
5
13
10
Содержание KX-A143EXB
Страница 8: ...5 LOCATION OF CONTROLS 5 1 Base Unit 5 2 Handset 8 ...
Страница 18: ...8 OPERATIONS 8 1 Turning the Power On Off 18 ...
Страница 22: ...8 6 Selecting a Base Unit 9 DISASSEMBLY INSTRUCTIONS 9 1 Base Unit 22 ...
Страница 23: ...Shown in Fig To Remove Remove 1 Lower Cabinet Screws 2 6 12 A 2 2 Main P C Board Main P C Board 9 2 Handset 23 ...
Страница 26: ...11 TROUBLESHOOTING GUIDE Flow Chart 26 ...
Страница 49: ...18 FREQUENCY TABLE MHz 49 ...
Страница 56: ...25 CPU DATA BASE UNIT 25 1 IC2 BBIC 56 ...
Страница 60: ...45 MICP A I 60 ...
Страница 73: ...73 ...
Страница 74: ...31 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 32 CABINET AND ELECTRICAL PARTS LOCATION CHARGER UNIT 74 ...
Страница 75: ...33 ACCESSORIES AND PACKING MATERIALS 75 ...
Страница 76: ...33 1 KX TCD430FXB FXC FXW 33 2 KX A143EXB EXC EXW 76 ...
Страница 77: ...34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 34 1 Base Unit 77 ...
Страница 80: ...35 1 2 Main P C Board Parts Note 1 When replacing IC1 data need to be written to it with PQZZTCD430FX 80 ...
Страница 97: ...TP3 R2 27 TP4 D1 2 1 J1 pinL DC_PLUG 22 Charge_minus TP1 TP2 R1 Charge_plus SCHEMATIC DIAGRAM CHARGER UNIT ...
Страница 102: ...PbF D1 J1 CIRCUIT BOARD CHARGER UNIT Component View ...
Страница 103: ...PbF R1 R2 TP4 TP1 TP2 TP3 CIRCUIT BOARD CHARGER UNIT Flow Solder Side View ...
Страница 104: ...Marked PbF IC1 IC3 IC2 1 1 64 49 33 4 5 8 1 11 28 18 ...
Страница 106: ...PbF IC1 IC2 100 80 30 50 5 8 4 1 11 18 1 IC3 Marked ...
Страница 107: ...1 PROG PbF BOOK UP POWER CAN DOWN RIGHT REDIAL LEFT 1 2 3 6 5 7 0 R 4 9 8 INT MIC TALK 36 CN2 Marked ...
Страница 108: ...PbF D1 J1 Marked PbF R1 R2 TP4 TP1 TP2 TP3 Marked Component View Flow Solder Side View ...
Страница 112: ...PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A ...