Read Panasonic KX-TCD297UAT / KX-TCA128UAT Service Manual online
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
10
4.4.
Guide to Settings
11
4.5.
For Service Hint
12
5
DISASSEMBLY INSTRUCTIONS
13
5.1.
Base Unit
13
5.2.
Handset
14
5.3.
Charger Unit
15
6
HOW TO REPLACE THE HANDSET LCD
16
7
TROUBLESHOOTING FLOWCHART
17
7.1.
Check Power
18
7.2.
Check Battery Charge
19
7.3.
Check Link
20
7.4.
Check Handset Transmission
24
7.5.
Check Handset Reception
24
7.6.
Check Caller ID
24
7.7.
Bell Reception
25
7.8.
Check TAM Operation
25
8
TROUBLESHOOTING BY SYMPTOM (BASE UNIT AND
CHARGER UNIT)
26
8.1.
Check Point (Base Unit)
26
8.2.
The Setting Method of JIG (Base Unit)
30
8.3.
Adjustment Standard (Base Unit)
32
8.4.
Check Point (Charger Unit)
34
8.5.
Adjustment Standard (Charger Unit)
34
9
TROUBLESHOOTING BY SYMPTOM (HANDSET)
35
9.1.
Check Point (Handset)
35
9.2.
The Setting Method of JIG (Handset)
39
9.3.
Adjustment Standard (Handset)
41
10 THINGS TO DO AFTER REPLACING IC
42
10.1. Base Unit
42
10.2. Handset
42
11 RF SPECIFICATION
43
11.1. Base Unit
43
11.2. Handset
43
12 HOW TO CHECK THE HANDSET SPEAKER OR RECEIVER 44
13 FREQUENCY TABLE (MHz)
44
14 BLOCK DIAGRAM (BASE UNIT)
45
15 CIRCUIT OPERATION (BASE UNIT)
46
15.1. Outline
46
15.2. Power Supply Circuit
47
15.3. Telephone Line Interface
48
15.4. Transmitter/Receiver
48
15.5. Pulse Dialling
48
16 BLOCK DIAGRAM (HANDSET)
49
17 CIRCUIT OPERATION (HANDSET)
50
17.1. Outline
50
17.2. Power Supply Circuit/Reset Circuit
50
17.3. Charge Circuit
50
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. IC8 (BBIC)
55
21 CPU DATA (HANDSET)
57
21.1. IC1 (BBIC)
57
22 ENGINEERING MODE
59
22.1. Base Unit
59
22.2. Handset
62
23 EEPROM LAYOUT (BASE UNIT)
65
23.1. Scope
65
23.2. Introduction
65
23.3. EEPROM Layout
65
24 EEPROM LAYOUT (HANDSET)
70
24.1. Scope
70
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 instruction on TSN Server for further information.
You can download and refer to the original operating instruction on TSN Server for further information.
CONTENTS
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KX-TCD297UAT / KX-TCA128UAT
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