Panasonic KX-A144BXF, Руководство по обслуживанию

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16.2. Handset 56
17 HOW TO CHECK THE HANDSET SPEAKER OR RECEIVER 56
18 FREQUENCY TABLE (MHz) 57
19 BLOCK DIAGRAM (BASE UNIT) 58
20 CIRCUIT OPERATION (BASE UNIT) 59
20.1. Outline 59
20.2. Power Supply Circuit 60
20.3. Telephone Line Interface 61
20.4. Transmitter/Receiver 61
20.5. Pulse Dialling 61
21 BLOCK DIAGRAM (HANDSET) 62
22 CIRCUIT OPERATION (HANDSET) 63
22.1. Outline 63
22.2. Power Supply Circuit/Reset Circuit 63
22.3. Charge Circuit 63
22.4. Battery Low/Power Down Detector 63
22.5. Speakerphone 63
23 CIRCUIT OPERATION (CHARGER UNIT) 64
23.1. Power Supply Circuit 64
24 SIGNAL ROUTE 65
25 CPU DATA (BASE UNIT) 66
25.1. IC8 (BBIC) 66
26 CPU DATA (HANDSET) 69
26.1. IC1 (BBIC) 69
27 EEPROM LAYOUT (BASE UNIT) 71
27.1. Scope 71
27.2. Introduction 71
27.3. EEPROM Layout 71
28 EEPROM LAYOUT (HANDSET) 75
28.1. Scope 75
28.2. Introduction 75
28.3. EEPROM contents 75
29 HOW TO REPLACE FLAT PACKAGE IC 78
29.1. Preparation 78
29.2. Procedure 78
29.3. Modification Procedure of Bridge 78
30 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
79
31 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 80
32 CABINET AND ELECTRICAL PARTS LOCATION (CHARGER
UNIT) 81
33 ACCESSORIES AND PACKING MATERIALS 82
33.1. KX-TCD445BXS/BXT/BXF 82
33.2. KX-A144BXS/BXT/BXF 83
34 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
84
34.1. Base Unit 84
34.2. Handset 84
34.3. Charger Unit 84
35 REPLACEMENT PARTS LIST 85
35.1. Base Unit 85
35.2. Handset 87
35.3. Charger Unit 88
35.4. Accessories and Packing Materials 88
35.5. Fixtures and Tools 88
36 FOR SCHEMATIC DIAGRAM 89
36.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT)) 89
36.2. Handset (SCHEMATIC DIAGRAM (HANDSET)) 89
36.3. Charger Unit (SCHEMATIC DIAGRAM (CHARGER UNIT))
89
37 SCHEMATIC DIAGRAM (BASE UNIT) 90
38 SCHEMATIC DIAGRAM (HANDSET) 92
39 SCHEMATIC DIAGRAM (CHARGER UNIT) 94
40 CIRCUIT BOARD (BASE UNIT) 95
40.1. Component View 95
40.2. Flow Solder Side View 96
41 CIRCUIT BOARD (HANDSET) 97
41.1. Component View 97
41.2. Flow Solder Side View 98
42 CIRCUIT BOARD (CHARGER UNIT) 99
42.1. Component View 99
42.2. Flow Solder Side View 99
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KX-TCD445BXS / KX-TCD445BXT / KX-TCD445BXF / KX-A144BXS / KX-A144BXT / KX-A144BXF /