1 ABOUT LEAD FREE SOLDER (PbF: Pb free) 4
1.1. Suggested PbF Solder
4
1.2. How to recognize that Pb Free solder is used
5
2 FOR SERVICE TECHNICIANS
5
3 CAUTION
5
4 OPERATING INSTRUCTIONS
6
4.1. Battery
6
4.2. Location of Controls
8
4.3. Connections
9
4.4. Guide to Settings
10
4.5. Registering a Handset to a Base Unit
12
4.6. Copying Phonebook Entries
13
4.7. For Service Hint
13
5 DISASSEMBLY INSTRUCTIONS
14
5.1. Base Unit
14
5.2. Handset
15
5.3. Charger Unit
16
6 HOW TO REPLACE THE HANDSET LCD
17
7 TROUBLESHOOTING FLOWCHART
18
7.1. Check Power
19
7.2. Check Battery Charge
20
7.3. Check Link
21
7.4. Check Handset Transmission
25
7.5. Check Handset Reception
25
7.6. Check Caller ID
25
7.7. Check Base Speakerphone Transmission
25
7.8. Check Base Speakerphone Reception
25
7.9. Bell Reception
26
7.10. Check TAM Operation
26
8 TROUBLESHOOTING BY SYMPTOM (BASE UNIT AND
CHARGER UNIT)
27
8.1. Check Point (Base Unit)
27
8.2. The Setting Method of JIG (Base Unit)
32
8.3. Adjustment Standard (Base Unit)
34
8.4. Check Point (Charger Unit)
35
8.5. Adjustment Standard (Charger Unit)
35
9 TROUBLESHOOTING BY SYMPTOM (HANDSET)
36
9.1. Check Point (Handset)
36
9.2. Troubleshooting for Speakerphone (Handset)
39
9.3. The Setting Method of JIG (Handset)
40
9.4. Adjustment Standard (Handset)
42
10 THINGS TO DO AFTER REPLACING IC
43
10.1. Base Unit
43
10.2. Handset
43
11 RF SPECIFICATION
44
11.1. Base Unit
44
11.2. Handset
44
12 HOW TO CHECK THE SPEAKER OR RECEIVER
45
13 FREQUENCY TABLE (MHz)
45
14 BLOCK DIAGRAM (BASE UNIT)
46
15 CIRCUIT OPERATION (BASE UNIT)
47
15.1. Outline
47
15.2. Power Supply Circuit
48
15.3. Telephone Line Interface
49
15.4. Transmitter/Receiver
49
15.5. Pulse Dialling
49
16 BLOCK DIAGRAM (HANDSET)
50
17 CIRCUIT OPERATION (HANDSET)
51
17.1. Outline
51
17.2. Power Supply Circuit/Reset Circuit
51
17.3. Charge Circuit
51
17.4. Battery Low/Power Down Detector
51
17.5. Speakerphone
51
18 CIRCUIT OPERATION (CHARGER UNIT)
52
18.1. Power Supply Circuit
52
19 SIGNAL ROUTE
53
20 CPU DATA (BASE UNIT)
55
20.1. IC4 (BBIC)
55
21 CPU DATA (HANDSET)
58
21.1. IC1 (BBIC)
58
22 ENGINEERING MODE
60
22.1. Base Unit
60
22.2. Handset
63
22.3. Copying Phonebook Items When Repairing
66
Note:
Because section 4 of this manual is an extract from the operating instructions for this model, it is subject to change without notice.
You can download and refer to the original operating instructions on TSN Server for further information.
CONTENTS
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2
KX-TG1233BXS / KX-TG1233BXT / KX-TCA122CXS / KX-TCA122CXT / KX-TCA121CXS / KX-TCA121CXT
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