Read Panasonic KX-TCD725GM Service Manual online
KX-TCD725GM
Digital Cordless Answering Machine
Metic Grey Version
(for Germany)
Telephone Equipment
ORDER NO. KM40109864C2
1 LOCATION OF CONTROLS
4
1.1. Base Unit
4
1.2. Handset
4
2 Displays
5
2.1. Handset Display
5
2.2. Icons
5
2.3. Characters/Symbols
5
3 DISASSEMBLY INSTRUCUTIONS
6
3.1. Assembly the LCD to P.C. Board (Handset)
7
4 SETTINGS
8
4.1. Connections
8
4.2. Using the Belt Clip
9
4.3. Batteries
9
5 OPERATIONS
11
5.1. Turning the Power ON/OFF
11
5.2. Making a Call
11
5.3. Answering Call
11
5.4. Terminating a Call
11
5.5. Summary of Programmable Function
12
6 CIRCUIT OPERATION (BASE UNIT)
14
6.1. THE BASE-BAND SECTION
14
6.2. THE LINE INTERFACE SECTION (SEE BLOCK
DIAGRAM Fig. 17)
17
6.3. RF MODULE
21
7 CIRCUIT OPERATION (HANDSET)
22
7.1. THE BASE BAND SECTION
23
7.2. RF SECTION
28
8 CHECK PROCEDURE (BASE UNIT)
29
8.1. EQUIPMENT REQUIRED
29
8.2. INITIAL POWER TESTS
29
8.3. SET THE CLOCK FREQUENCY
30
8.4. LOOPBACK TESTS
30
8.5. TELEPHONE LINE TESTS
31
8.6. CHARGE CURRENT TESTS
31
8.7. TAM VOICE PROMPT DOWN LOAD
31
9 CHECK PROCEDURE (HANDSET)
32
9.1. EQUIPMENT REQUIRED
32
9.2. INITIAL POWER TESTS
32
9.3. SET CLOCK FREQUENCY
33
9.4. LOOPBACK TESTS
33
10 TROUBLESHOOTING GUIDE
34
10.1. HANDSET: DOES NOT OPERATE
34
10.2. HANDSET: LINK
35
10.3. HANDSET: DOES NOT LINK
37
10.4. BATTERY DOES NOT CHARGE
38
10.5. NO VOICE RECEPTION
38
10.6. NO VOICE TRANSMISSION
39
10.7. BASE UNIT: DOES NOT LINK
40
10.8. BASE UNIT : CALLER ID PROBLEMS
41
10.9. BASE UNIT: TAM VOICE PLOMPT PROBLEMS
41
11 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
42
12 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 43
13 ACCESSORIES AND PACKING MATERIALS
44
14 REPLACEMENT PARTS LIST
45
14.1. Base Unit
45
14.2. Handset
46
15 EEPROM LAYOUT (BASE UNIT)
49
15.1. Scope
49
15.2. Introduction
49
15.3. EEPROM Layout
49
15.4. Appendix
56
CONTENTS
Page
Page
2
KX-TCD725GM
16 EEPROM LAYOUT (HANDSET)
61
16.1. Scope
61
16.2. Introduction
61
16.3. EEPROM contents
61
16.4. MEMO
65
17 SCHEMATIC DIAGRAM (BASE UNIT)
66
17.1. Main
66
17.2. RF Module
68
18 SCHEMATIC DIAGRAM (HANDSET)
70
18.1. Main
70
18.2. RF Section
72
19 CIRCUIT BOARD (BASE UNIT)
75
19.1. Component View
75
19.2. Flow Solder Side View
76
20 CIRCUIT BOARD (HANDSET)
77
20.1. Component View
77
20.2. Flow Solder Side View
78
3
KX-TCD725GM
1 LOCATION OF CONTROLS
1.1.
Base Unit
1.2.
Handset
4
KX-TCD725GM