Panasonic KX-TCA151AXM, Service Manual

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20.1. Outline 75
20.2. Power Supply Circuit 76
20.3. Telephone Line Interface 77
20.4. Transmitter/Receiver 77
20.5. Pulse Dialing 77
21 BLOCK DIAGRAM (CORDLESS HANDSET) 78
22 CIRCUIT OPERATION (CORDLESS HANDSET) 79
22.1. Outline 79
22.2. Power Supply Circuit/Reset Circuit 79
22.3. Charge Circuit 79
22.4. Battery Low/Power Down Detector 79
22.5. Speakerphone and Headset Jack 79
23 CIRCUIT OPERATION (CHARGER UNIT) 80
23.1. Power Supply Circuit 80
24 SIGNAL ROUTE 81
25 CPU DATA (BASE UNIT) 82
25.1. IC2 (BBIC) 82
26 CPU DATA (CORDLESS HANDSET) 84
26.1. IC1 (BBIC) 84
27 EEPROM LAYOUT (BASE UNIT) 86
27.1. Scope 86
27.2. Introduction 86
27.3. EEPROM Layout 86
28 EEPROM LAYOUT (CORDLESS HANDSET) 91
28.1. Scope 91
28.2. Introduction 91
28.3. EEPROM contents 91
29 HOW TO REPLACE FLAT PACKAGE IC 93
29.1. Preparation 93
29.2. Procedure 93
29.3. Modification Procedure of Bridge 93
30 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
94
31 CABINET AND ELECTRICAL PARTS LOCATION (CORDLESS
HANDSET) 95
32 CABINET AND ELECTRICAL PARTS LOCATION (CHARGER
UNIT) 96
33 ACCESSORIES AND PACKING MATERIALS 97
33.1. KX-TCD530AXM 97
33.2. KX-TCA151AXM 98
34 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
99
34.1. Base Unit 99
34.2. Cordless Handset 99
34.3. Charger Unit 99
35 REPLACEMENT PARTS LIST 100
35.1. Base Unit 100
35.2. Cordless Handset 102
35.3. Charger Unit 104
35.4. Accessories and Packing Materials 104
35.5. Fixtures and Tools 105
36 FOR SCHEMATIC DIAGRAM 106
36.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT)) 106
36.2. Cordless Handset (SCHEMATIC DIAGRAM (CORDLESS
HANDSET)) 106
36.3. Memo 107
37 SCHEMATIC DIAGRAM (BASE UNIT) 108
37.1. Main 108
37.2. Operation 110
37.3. Memo 111
38 SCHEMATIC DIAGRAM (CORDLESS HANDSET) 112
39 SCHEMATIC DIAGRAM (CHARGER UNIT) 114
40 CIRCUIT BOARD (BASE UNIT) 115
40.1. Main 115
40.2. Operation 117
41 CIRCUIT BOARD (CORDLESS HANDSET) 119
41.1. Component View 119
41.2. Flow Solder Side View 120
42 CIRCUIT BOARD (CHARGER UNIT) 121
42.1. Component View 121
42.2. Flow Solder Side View 121
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KX-TCD530AXM / KX-TCA151AXM