Read Panasonic KX-TCD205UA / KX-TCD207UA / KX-TCA120UA Service Manual online
20.3. Telephone Line Interface
59
20.4. Transmitter/Receiver
59
20.5. Pulse Dialling
59
21 BLOCK DIAGRAM (HANDSET)
60
22 CIRCUIT OPERATION (HANDSET)
61
22.1. Outline
61
22.2. Power Supply Circuit/Reset Circuit
61
22.3. Charge Circuit
61
22.4. Battery Low/Power Down Detector
61
23 CIRCUIT OPERATION (CHARGER UNIT)
62
23.1. Power Supply Circuit
62
24 SIGNAL ROUTE
63
25 CPU DATA (BASE UNIT)
64
25.1. IC8 (BBIC)
64
26 CPU DATA (HANDSET)
65
26.1. IC1 (BBIC)
65
27 ENGINEERING MODE
67
27.1. Base Unit
67
27.2. Handset
70
28 EEPROM LAYOUT (BASE UNIT)
72
28.1. Scope
72
28.2. Introduction
72
28.3. EEPROM Layout
72
29 EEPROM LAYOUT (HANDSET)
77
29.1. Scope
77
29.2. Introduction
77
29.3. EEPROM contents
77
30 HOW TO REPLACE THE FLAT PACKAGE IC
80
30.1. PREPARATION
80
30.2. FLAT PACKAGE IC REMOVAL PROCEDURE
80
30.3. FLAT PACKAGE IC INSTALLATION PROCEDURE
81
30.4. BRIDGE MODIFICATION PROCEDURE
81
31 CABINET AND ELECTRICAL PARTS (BASE UNIT)
82
32 CABINET AND ELECTRICAL PARTS (HANDSET)
83
33 CABINET AND ELECTRICAL PARTS (CHARGER UNIT)
84
34 ACCESSORIES AND PACKING MATERIALS
85
34.1. KX-TCD205UAB/UAC/UAJ/UAW
85
34.2. KX-TCD207UAB/UAC/UAJ/UAW
86
34.3. KX-TCA120UAB/UAC
87
35 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
88
35.1. Base Unit
88
35.2. Handset
88
35.3. Charger Unit
88
36 REPLACEMENT PARTS LIST
89
36.1. Base Unit
89
36.2. Handset
91
36.3. Charger Unit
92
36.4. Accessories and Packing Materials
93
36.5. Fixtures and Tools
93
37 FOR SCHEMATIC DIAGRAM
95
37.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT))
95
37.2. Handset (SCHEMATIC DIAGRAM (HANDSET))
95
37.3. Charger Unit (SCHEMATIC DIAGRAM (CHARGER UNIT))
95
38 SCHEMATIC DIAGRAM (BASE UNIT)
96
39 SCHEMATIC DIAGRAM (HANDSET)
98
40 SCHEMATIC DIAGRAM (CHARGER UNIT)
100
41 CIRCUIT BOARD (BASE UNIT)
101
41.1. Component View
101
41.2. Flow Solder Side View
102
42 CIRCUIT BOARD (HANDSET)
103
42.1. Component View
103
42.2. Flow Solder Side View
104
43 CIRCUIT BOARD (CHARGER UNIT)
105
43.1. Component View
105
43.2. Flow Solder Side View
105
3
KX-TCD205UA / KX-TCD207U A / KX-TCA120UA
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