Read Panasonic KX-TCD215RU / KX-TCD217RU / KX-TCA121RU Service Manual online
17 HOW TO CHECK THE HANDSET SPEAKER OR RECEIVER 62
18 FREQUENCY TABLE (MHz)
62
19 BLOCK DIAGRAM (BASE UNIT)
63
20 CIRCUIT OPERATION (BASE UNIT)
64
20.1. Outline
64
20.2. Power Supply Circuit
65
20.3. Telephone Line Interface
66
20.4. Transmitter/Receiver
66
20.5. Pulse Dialling
66
21 BLOCK DIAGRAM (HANDSET)
67
22 CIRCUIT OPERATION (HANDSET)
68
22.1. Outline
68
22.2. Power Supply Circuit/Reset Circuit
68
22.3. Charge Circuit
68
22.4. Battery Low/Power Down Detector
68
22.5. Speakerphone
68
23 CIRCUIT OPERATION (CHARGER UNIT)
69
23.1. Power Supply Circuit
69
24 SIGNAL ROUTE
70
25 CPU DATA (BASE UNIT)
71
25.1. IC8 (BBIC)
71
26 CPU DATA (HANDSET)
73
26.1. IC1 (BBIC)
73
27 ENGINEERING MODE
75
27.1. Base Unit
75
27.2. Handset
78
28 EEPROM LAYOUT (BASE UNIT)
80
28.1. Scope
80
28.2. Introduction
80
28.3. EEPROM Layout
80
29 EEPROM LAYOUT (HANDSET)
85
29.1. Scope
85
29.2. Introduction
85
29.3. EEPROM contents
85
30 HOW TO REPLACE THE FLAT PACKAGE IC
88
30.1. PREPARATION
88
30.2. FLAT PACKAGE IC REMOVAL PROCEDURE
88
30.3. FLAT PACKAGE IC INSTALLATION PROCEDURE
89
30.4. BRIDGE MODIFICATION PROCEDURE
89
31 CABINET AND ELECTRICAL PARTS (BASE UNIT)
90
32 CABINET AND ELECTRICAL PARTS (HANDSET)
91
33 CABINET AND ELECTRICAL PARTS (CHARGER UNIT)
92
34 ACCESSORIES AND PACKING MATERIALS
93
34.1. KX-TCD215RUF/RUS/RUT
93
34.2. KX-TCD217RUS/RUT
94
34.3. KX-TCA121RUF/RUS/RUT
95
35 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
96
35.1. Base Unit
96
35.2. Handset
96
35.3. Charger Unit
96
36 REPLACEMENT PARTS LIST
97
36.1. Base Unit
97
36.2. Handset
99
36.3. Charger Unit
100
36.4. Accessories and Packing Materials
101
36.5. Fixtures and Tools
101
37 FOR SCHEMATIC DIAGRAM
103
37.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT))
103
37.2. Handset (SCHEMATIC DIAGRAM (HANDSET))
103
37.3. Charger Unit (SCHEMATIC DIAGRAM (CHARGER UNIT))
103
38 SCHEMATIC DIAGRAM (BASE UNIT)
104
39 SCHEMATIC DIAGRAM (HANDSET)
106
40 SCHEMATIC DIAGRAM (CHARGER UNIT)
108
41 CIRCUIT BOARD (BASE UNIT)
109
41.1. Component View
109
41.2. Flow Solder Side View
110
42 CIRCUIT BOARD (HANDSET)
111
42.1. Component View
111
42.2. Flow Solder Side View
112
43 CIRCUIT BOARD (CHARGER UNIT)
113
43.1. Component View
113
43.2. Flow Solder Side View
113
3
KX-TCD215RU / KX-TCD217R U / KX-TCA121RU
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