Read Panasonic KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Service Manual online
22.1. Outline
62
22.2. Power Supply Circuit/Reset Circuit
62
22.3. Charge Circuit
62
22.4. Battery Low/Power Down Detector
62
22.5. Speakerphone and Headset Jack
62
23 CIRCUIT OPERATION (CHARGER UNIT)
63
23.1. Power Supply Circuit
63
24 SIGNAL ROUTE
64
25 CPU DATA (BASE UNIT)
65
25.1. IC2 (BBIC)
65
26 CPU DATA (HANDSET)
67
26.1. IC1 (BBIC)
67
27 EEPROM LAYOUT (BASE UNIT)
69
27.1. Scope
69
27.2. Introduction
69
27.3. EEPROM Layout
69
28 EEPROM LAYOUT (HANDSET)
72
28.1. Scope
72
28.2. Introduction
72
28.3. EEPROM contents
72
29 HOW TO REPLACE FLAT PACKAGE IC
75
29.1. Preparation
75
29.2. Procedure
75
29.3. Modification Procedure of Bridge
75
30 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
76
31 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 77
32 CABINET AND ELECTRICAL PARTS LOCATION (CHARGER
UNIT)
78
33 ACCESSORIES AND PACKING MATERIALS
79
33.1. KX-TCD450RUM/RUT
79
33.2. KX-A145RUM/RUT
80
34 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
81
34.1. Base Unit
81
34.2. Handset
81
34.3. Charger Unit
81
35 REPLACEMENT PARTS LIST
82
35.1. Base Unit
82
35.2. Handset
83
35.3. Charger Unit
85
35.4. Accessories and Packing Materials
85
35.5. Fixtures and Tools
85
36 FOR SCHEMATIC DIAGRAM
86
36.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT))
86
36.2. Handset (SCHEMATIC DIAGRAM (HANDSET))
86
36.3. Memo
87
37 SCHEMATIC DIAGRAM (BASE UNIT)
88
38 SCHEMATIC DIAGRAM (HANDSET)
90
39 SCHEMATIC DIAGRAM (CHARGER UNIT)
92
40 CIRCUIT BOARD (BASE UNIT)
93
40.1. Component View
93
40.2. Flow Solder Side View
94
41 CIRCUIT BOARD (HANDSET)
95
41.1. Component View
95
41.2. Flow Solder Side View
96
42 CIRCUIT BOARD (CHARGER UNIT)
97
42.1. Component View
97
42.2. Flow Solder Side View
97
3
KX-TCD450RUM / KX-A145RUM / KX-TCD450R UT / KX-A145RUT
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