Read Panasonic KX-TCD305UA / KX-TCD307UA / KX-TCA130UA 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)
88
29.1. Scope
88
29.2. Introduction
88
29.3. EEPROM contents
88
30 HOW TO REPLACE FLAT PACKAGE IC
91
30.1. PREPARATION
91
30.2. FLAT PACKAGE IC REMOVALPROCEDURE
91
30.3. FLAT PACKAGE IC INSTALLATION PROCEDURE
92
30.4. BRIDGE MODIFICATION PROCEDURE
92
31 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
93
32 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 94
33 CABINET AND ELECTRICAL PARTS LOCATION (CHARGER
UNIT)
95
34 ACCESSORIES AND PACKING MATERIALS
96
34.1. KX-TCD305UAF/UAS/UAT
96
34.2. KX-TCD307UAS/UAT
97
34.3. KX-TCA130UAF/UAS/UAT
98
35 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
99
35.1. Base Unit
99
35.2. Handset
99
35.3. Charger Unit
99
36 REPLACEMENT PARTS LIST
100
36.1. Base Unit
100
36.2. Handset
102
36.3. Charger Unit
103
36.4. Accessories and Packing Materials
104
36.5. Fixtures and Tools
104
37 FOR SCHEMATIC DIAGRAM
105
37.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT))
105
37.2. Handset (SCHEMATIC DIAGRAM (HANDSET))
105
37.3. Charger Unit (SCHEMATIC DIAGRAM (CHARGER UNIT))
105
38 SCHEMATIC DIAGRAM (BASE UNIT)
106
39 SCHEMATIC DIAGRAM (HANDSET)
108
40 SCHEMATIC DIAGRAM (CHARGER UNIT)
110
41 CIRCUIT BOARD (BASE UNIT)
111
41.1. Component View
111
41.2. Flow Solder Side View
112
42 CIRCUIT BOARD (HANDSET)
113
42.1. Component View
113
42.2. Flow Solder Side View
114
43 CIRCUIT BOARD (CHARGER UNIT)
115
43.1. Component View
115
43.2. Flow Solder Side View
115
3
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