Table Of Contents - Panasonic KX-TG1843ALS Service Manual

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS
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
1 ABOUT LEAD FREE SOLDER (PbF: Pb free)
1.1. Suggested PbF Solder
1.2. How to recognize that Pb Free solder is used
2 FOR SERVICE TECHNICIANS
3 CAUTION
4 OPERATING INSTRUCTIONS
4.1. Battery
4.2. Location of Controls
4.3. Connections
4.4. Guide to Settings
4.5. For Service Hint
5 DISASSEMBLY INSTRUCTIONS
5.1. Base Unit
5.2. Handset
5.3. Charger Unit
6 HOW TO REPLACE THE HANDSET LCD
7 TROUBLESHOOTING FLOWCHART
7.1. Check Power
7.2. Check Battery Charge
7.3. Check Link
7.4. Check Handset Transmission
7.5. Check Handset Reception
7.6. Check Caller ID
7.7. Check Base Speakerphone Transmission
7.8. Check Base Speakerphone Reception
7.9. Bell Reception
7.10. Check TAM Operation
8 TROUBLESHOOTING BY SYMPTOM (BASE UNIT AND
CHARGER UNIT)
8.1. Check Point (Base Unit)
8.2. The Setting Method of JIG (Base Unit)
8.3. Adjustment Standard (Base Unit)
8.4. Check Point (Charger Unit)
8.5. Adjustment Standard (Charger Unit)
9 TROUBLESHOOTING BY SYMPTOM (HANDSET)
9.1. Check Point (Handset)
9.2. Troubleshooting for Speakerphone (Handset)
Page
4 9.3. The Setting Method of JIG (Handset)
4 9.4. Adjustment Standard (Handset)
5 10 THINGS TO DO AFTER REPLACING IC
5 10.1. Base Unit
5
10.2. Handset
6 11 RF SPECIFICATION
6 11.1. Base Unit
8 11.2. Handset
9 12 HOW TO CHECK THE SPEAKER OR RECEIVER
10 13 FREQUENCY TABLE (MHz)
11 14 BLOCK DIAGRAM (BASE UNIT)
12 15 CIRCUIT OPERATION (BASE UNIT)
12 15.1. Outline
13 15.2. Power Supply Circuit
14 15.3. Telephone Line Interface
15 15.4. Transmitter/Receiver
16
16 BLOCK DIAGRAM (HANDSET)
17 17 CIRCUIT OPERATION (HANDSET)
18 17.1. Outline
19 17.2. Power Supply Circuit/Reset Circuit
23 17.3. Charge Circuit
23 17.4. Battery Low/Power Down Detector
23 17.5. Speakerphone
23 18 CIRCUIT OPERATION (CHARGER UNIT)
23 18.1. Power Supply Circuit
19 SIGNAL ROUTE
24
24 20 CPU DATA (BASE UNIT)
20.1. IC4 (BBIC)
25 21 CPU DATA (HANDSET)
25 21.1. IC1 (BBIC)
30 22 ENGINEERING MODE
32 22.1. Base Unit
33 22.2. Handset
33 23 HOW TO REPLACE THE FLAT PACKAGE IC
34 23.1. PREPARATION
34 23.2. FLAT PACKAGE IC REMOVAL PROCEDURE
37 23.3. FLAT PACKAGE IC INSTALLATION PROCEDURE
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