Read Panasonic KX-TCD725RUM Service Manual online
1 LOCATION OFCONTROLS
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 ofProgrammable 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
20
7 CIRCUIT OPERATION (HANDSET)
21
7.1. THE BASE BAND SECTION
22
7.2. RF SECTION
27
8 CHECK PROCEDURE (BASE UNIT)
28
8.1. EQUIPMENT REQUIRED
28
8.2. INITIAL POWER TESTS
28
8.3. SET THE CLOCK FREQUENCY
29
8.4. LOOPBACK TESTS
29
8.5. TELEPHONE LINE TESTS
30
8.6. CHARGE CURRENT TESTS
30
8.7. TAM VOICE PROMPT DOWN LOAD
30
9 CHECK PROCEDURE (HANDSET)
31
9.1. EQUIPMENT REQUIRED
31
9.2. INITIAL POWER TESTS
31
9.3. SET CLOCK FREQUENCY
32
9.4. LOOPBACK TESTS
32
10 TROUBLESHOOTING GUIDE
33
10.1. HANDSET: DOES NOT OPERATE
33
10.2. HANDSET: LINK
34
10.3. HANDSET: DOES NOT LINK
36
10.4. BATTERY DOES NOT CHARGE
37
10.5. NO VOICE RECEPTION
37
10.6. NO VOICE TRANSMISSION
38
10.7. BASE UNIT: DOES NOT LINK
39
10.8. BASE UNIT : CALLER ID PROBLEMS
40
10.9. BASE UNIT: TAM VOICE PROMPT PROBLEMS
40
11 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
41
12 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 42
13 ACCESSORIES AND PACKING MATERIALS
43
14 REPLACEMENT PARTS LIST
44
14.1. Base Unit
44
14.2. Handset
45
15 EEPROM LAYOUT (BASE UNIT)
48
15.1. Scope
48
15.2. Introduction
48
15.3. EEPROM Layout
48
15.4. Appendix
55
CONTENTS
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KX-TCD725RUM
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