
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
Q2
CHARGE
CHARGE DETECT
SWITCHED
SUPPLY
Q1
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
2, 5~9
COM 0~5
segment 0~29
1, 87
EARPIECE
42
41
45
17~21
53~55, 59, 60
34
Burst
Encoding
Burst
Decoding
+
TP6
D3
X1
90~100
72~76
78~84
61, 62, 56~58
KX-A142EXS BLOCK DIAGRAM (HANDSET)
Содержание KX-TCD420GS
Страница 32: ...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 28 ...
Страница 38: ...Cross Reference Power Supply Circuit Adjustment Base Unit 11 3 2 Handset 34 ...
Страница 60: ...18 FREQUENCY TABLE MHz 56 ...
Страница 67: ...25 CPU DATA BASE UNIT 25 1 IC8 BBIC 63 ...
Страница 69: ...Memory 65 ...
Страница 88: ...84 ...
Страница 89: ...31 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 32 CABINET AND ELECTRICAL PARTS LOCATION CHARGER UNIT 85 ...
Страница 90: ...86 ...
Страница 91: ...33 ACCESSORIES AND PACKING MATERIALS 33 1 KX TCD420GS 33 2 KX A142EXS 87 ...
Страница 92: ...34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 34 1 Base Unit 88 ...
Страница 93: ...34 2 Handset 34 3 Charger Unit 35 REPLACEMENT PARTS LIST Note 89 ...
Страница 97: ...93 ...
Страница 104: ...PbF D1 J1 CIRCUIT BOARD CHARGER UNIT Component View ...
Страница 109: ...TP3 R2 27 TP4 D1 2 1 J1 pinL DC_PLUG 22 Charge_minus TP1 TP2 R1 Charge_plus SCHEMATIC DIAGRAM CHARGER UNIT ...
Страница 119: ...PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A ...
Страница 123: ...Clip G N D S D A S C L Base PCB J105 J102 J104 J103 J103 B1 GNDMODE SCL SDA VDD B2 ...
Страница 124: ...PbF D1 J1 Marked PbF R1 R2 TP4 TP1 TP2 TP3 Marked Component View Flow Solder Side View ...
Страница 125: ...Marked 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 ...
Страница 126: ...Marked PbF IC1 IC2 100 80 5 8 4 1 50 51 30 31 1 11 18 1 28 IC3 ...
Страница 128: ...PbF IC7 IC8 IC9 144 109 108 1 1 16 17 32 1 11 36 35 28 18 73 72 Marked ...
Страница 129: ...PbF R1 R2 TP4 TP1 TP2 TP3 CIRCUIT BOARD CHARGER UNIT Flow Solder Side View ...