19 FREQUENCY TABLE (MHz)
52
20 BLOCK DIAGRAM (BASE UNIT)
53
21 CIRCUIT OPERATION (BASE UNIT)
54
21.1. Outline
54
21.2. Power Supply Circuit
55
21.3. Telephone Line Interface
56
21.4. Transmitter/Receiver
56
21.5. Pulse Dialing
56
22 BLOCK DIAGRAM (HANDSET)
57
23 CIRCUIT OPERATION (HANDSET)
58
23.1. Outline
58
23.2. Power Supply Circuit/Reset Circuit
58
23.3. Charge Circuit
58
23.4. Battery Low/Power Down Detector
58
23.5. Speakerphone
58
24 CIRCUIT OPERATION (CHARGER UNIT)
59
24.1. Power Supply Circuit
59
25 SIGNAL ROUTE
60
26 CPU DATA (BASE UNIT)
61
26.1. IC2 (BBIC)
61
27 CPU DATA (HANDSET)
63
27.1. IC1 (BBIC)
63
28 EEPROM LAYOUT (BASE UNIT)
65
28.1. Scope
65
28.2. Introduction
65
28.3. EEPROM Layout
65
29 EEPROM LAYOUT (HANDSET)
68
29.1. Scope
68
29.2. Introduction
68
29.3. EEPROM contents
68
30 HOW TO REPLACE FLAT PACKAGE IC
71
30.1. Preparation
71
30.2. Procedure
71
30.3. Modification Procedure of Bridge
71
31 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
72
32 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 73
33 CABINET AND ELECTRICAL PARTS LOCATION (CHARGER
UNIT)
74
34 ACCESSORIES AND PACKING MATERIALS
75
34.1. KX-TCD440HGS/HGT
75
34.2. KX-A144EXS/EXT
76
35 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
77
35.1. Base Unit
77
35.2. Handset
77
35.3. Charger Unit
77
36 REPLACEMENT PARTS LIST
78
36.1. Base Unit
78
36.2. Handset
79
36.3. Charger Unit
80
36.4. Accessories and Packing Materials
81
36.5. Fixtures and Tools
81
36.6. Memo
82
37 FOR SCHEMATIC DIAGRAM
83
37.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT))
83
37.2. Handset (SCHEMATIC DIAGRAM (HANDSET))
83
37.3. Charger Unit (SCHEMATIC DIAGRAM (CHARGER UNIT))
83
38 SCHEMATIC DIAGRAM (BASE UNIT)
84
39 SCHEMATIC DIAGRAM (HANDSET)
86
40 SCHEMATIC DIAGRAM (CHARGER UNIT)
88
41 CIRCUIT BOARD (BASE UNIT)
89
41.1. Component View
89
41.2. Flow Solder Side View
90
42 CIRCUIT BOARD (HANDSET)
91
42.1. Component View
91
42.2. Flow Solder Side View
92
43 CIRCUIT BOARD (CHARGER UNIT)
93
43.1. Component View
93
43.2. Flow Solder Side View
93
3
KX-TCD440HGS / KX-TCD440H GT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT
