Table Of Contents - Panasonic KX-TG6561BXT Service Manual

TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 4
1.1. For Service Technicians --------------------------------- 4
2 Warning -------------------------------------------------------------- 4
2.1. Battery Caution--------------------------------------------- 4
2.2. About Lead Free Solder (Pbf: Pb free)--------------- 4
2.3. Discarding of P.C. Board--------------------------------- 5
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7
4.1. Block Diagram (Base Unit_Main)---------------------- 7
4.2. Block Diagram (Base Unit_RF Part) ------------------ 8
4.3. Circuit Operation (Base Unit) --------------------------- 9
4.4. Block Diagram (Handset)-------------------------------15
4.5. Circuit Operation (Handset)----------------------------16
4.6. Signal Route -----------------------------------------------17
5 Location of Controls and Components ------------------19
6 Installation Instructions ---------------------------------------19
7 Operating Instructions-----------------------------------------19
7.1. For Service Hint-------------------------------------------19
8 Service Mode -----------------------------------------------------20
8.1. Engineering Mode ----------------------------------------20
8.2. Copying Phonebook Items when Repairing -------24
8.3. How to Clear User Setting------------------------------26
9 Troubleshooting Guide ----------------------------------------27
9.1. Troubleshooting Flowchart -----------------------------27
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------41
9.3. Troubleshooting by Symptom (Handset) -----------44
10 Disassembly and Assembly Instructions ---------------48
10.1. Disassembly Instructions -------------------------------48
10.2. How to Replace the Handset LCD -------------------51
11 Measurements and Adjustments---------------------------52
11.1. Equipment Required -------------------------------------52
11.2. The Setting Method of JIG (Base Unit) -------------52
11.3. Adjustment Standard (Base Unit)---------------------54
11.4. The Setting Method of JIG (Handset) ---------------55
11.5. Adjustment Standard (Handset) ----------------------57
11.6. Things to Do after Replacing IC or X'tal ------------58
11.7. RF Specification-------------------------------------------60
11.8. How to Check the Handset Speaker or
Receiver ----------------------------------------------------61
11.9. Frequency Table (MHz) ---------------------------------61
12 Miscellaneous ----------------------------------------------------62
12.1. How to Replace the Flat Package IC ----------------62
12.2. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------64
12.3. How to Replace the Shield Case ---------------------66
12.4. Terminal Guide of the ICs, Transistors, Diodes
and Electrolytic Capacitors-----------------------------68
13 Schematic Diagram ---------------------------------------------69
13.1. For Schematic Diagram---------------------------------69
13.2. Schematic Diagram (Base Unit) ----------------------70
13.3. Schematic Diagram (Base Unit_Operation) -------72
13.4. Schematic Diagram (Handset) ------------------------74
14 Printed Circuit Board-------------------------------------------77
14.1. Circuit Board (Base Unit_Main) -----------------------77
14.2. Circuit Board (Base Unit_Operation) ----------------79
14.3. Circuit Board (Handset) ---------------------------------81
15 Exploded View and Replacement Parts List -----------83
PAGE
15.1. Cabinet and Electrical Parts (Base Unit) ----------- 83
15.2. Cabinet and Electrical Parts (Handset)------------- 84
15.3. Accessories------------------------------------------------ 85
15.4. Replacement Part List ---------------------------------- 86
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KX-TG6561BXT/KX-TGA651BXT
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