Read Panasonic KX-TCD305RU / KX-TCD307RU / KX-TCA130RU Service Manual online
17 HOW TO CHECK THE HANDSET SPEAKER OR RECEIVER 63
18 FREQUENCY TABLE (MHz)
63
19 BLOCK DIAGRAM (BASE UNIT)
64
20 CIRCUIT OPERATION (BASE UNIT)
65
20.1. Outline
65
20.2. Power Supply Circuit
66
20.3. Telephone Line Interface
67
20.4. Transmitter/Receiver
67
20.5. Pulse Dialling
67
21 BLOCK DIAGRAM (HANDSET)
68
22 CIRCUIT OPERATION (HANDSET)
69
22.1. Outline
69
22.2. Power Supply Circuit/Reset Circuit
69
22.3. Charge Circuit
69
22.4. Battery Low/Power Down Detector
69
22.5. Speakerphone
69
23 CIRCUIT OPERATION (CHARGER UNIT)
70
23.1. Power Supply Circuit
70
24 SIGNAL ROUTE
71
25 CPU DATA (BASE UNIT)
72
25.1. IC8 (BBIC)
72
26 CPU DATA (HANDSET)
74
26.1. IC1 (BBIC)
74
27 ENGINEERING MODE
76
27.1. Base Unit
76
27.2. Handset
79
28 EEPROM LAYOUT (BASE UNIT)
81
28.1. Scope
81
28.2. Introduction
81
28.3. EEPROM Layout
81
29 EEPROM LAYOUT (HANDSET)
86
29.1. Scope
86
29.2. Introduction
86
29.3. EEPROM contents
86
30 HOW TO REPLACE FLAT PACKAGE IC
89
30.1. PREPARATION
89
30.2. FLAT PACKAGE IC REMOVALPROCEDURE
89
30.3. FLAT PACKAGE IC INSTALLATION PROCEDURE
90
30.4. BRIDGE MODIFICATION PROCEDURE
90
31 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
91
32 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET)92
33 CABINET AND ELECTRICAL PARTS LOCATION (CHARGER
UNIT)
93
34 ACCESSORIES AND PACKING MATERIALS
94
34.1. KX-TCD305RUF/RUS/RUT
94
34.2. KX-TCD307RUS/RUT
95
34.3. KX-TCA130RUF/RUS/RUT
96
35 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
97
35.1. Base Unit
97
35.2. Handset
97
35.3. Charger Unit
97
36 REPLACEMENT PARTS LIST
98
36.1. Base Unit
98
36.2. Handset
100
36.3. Charger Unit
101
36.4. Accessories and Packing Materials
102
36.5. Fixtures and Tools
102
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-TCD305RU / KX-TCD307R U / KX-TCA130RU
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