Panasonic KX-TCA181UAS, Service Manual

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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 ofControls 7
4.3. Connections 8
4.4. Guide to Settings 9
4.5. For Service Hint 11
5 DISASSEMBLY INSTRUCTIONS 12
5.1. Base Unit 12
5.2. Handset 13
5.3. Charger Unit 15
6 ASSEMBLY INSTRUCTIONS 16
6.1. Fix the LCD to the Main P.C.Board (Handset) 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
8 TROUBLESHOOTING BY SYMPTOM (BASE UNIT AND
CHARGER UNIT) 26
8.1. Check Point (Base Unit) 26
8.2. The Setting Method ofJIG (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 ofJIG (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 50
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) 54
20.1. IC8 (BBIC) 54
21 CPU DATA (HANDSET) 56
21.1. IC1 (BBIC) 56
22 ENGINEERING MODE 59
22.1. Base Unit 59
22.2. Handset 62
23 EEPROM LAYOUT (BASE UNIT) 64
23.1. Scope 64
23.2. Introduction 64
23.3. EEPROM Layout 64
24 FLASH LAYOUT (HANDSET) 69
24.1. Scope 69
Note:
Because CONTENTS 4 is the extract from the Operating Instructions of 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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KX-TCD816UAS / KX-TCD816U AT / KX-TCA181UAS / KX-TCA181UAT