Table Of Contents - Panasonic KX-TG4131MEB 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. US-DECT Description ------------------------------------ 7
4.2. Block Diagram (Base Unit_Main)---------------------- 9
4.3. Block Diagram (Base Unit_RF Part) -----------------10
4.4. Circuit Operation (Base Unit) -------------------------- 11
4.5. Block Diagram (Handset)-------------------------------18
4.6. Block Diagram (Handset_RF Part)-------------------19
4.7. Circuit Operation (Handset)----------------------------20
4.8. Circuit Operation (Charger Unit) ----------------------22
4.9. Signal Route -----------------------------------------------23
5 Location of Controls and Components ------------------25
6 Installation Instructions ---------------------------------------25
7 Operating Instructions-----------------------------------------25
8 Test Mode ----------------------------------------------------------26
8.1. Engineering Mode ----------------------------------------26
9 Service Mode -----------------------------------------------------30
9.1. How to Clear User Setting (Handset Only)---------30
10 Troubleshooting Guide ----------------------------------------31
10.1. Troubleshooting Flowchart -----------------------------31
11 Disassembly and Assembly Instructions ---------------45
11.1. Disassembly Instructions -------------------------------45
11.2. How to Replace the Base Unit LCD -----------------49
11.3. How to Replace the Handset LCD -------------------51
12 Measurements and Adjustments---------------------------52
12.1. Equipment Required -------------------------------------52
12.2. The Setting Method of JIG -----------------------------52
12.3. Adjustment Standard (Base Unit)---------------------56
12.4. Adjustment Standard (Charger Unit)-----------------57
12.5. Adjustment Standard (Handset) ----------------------58
12.6. Things to Do after Replacing IC or X'tal ------------59
12.7. Frequency Table ------------------------------------------61
13 Miscellaneous ----------------------------------------------------62
13.1. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------62
13.2. How to Replace the Flat Package IC ----------------64
13.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------66
14 Schematic Diagram ---------------------------------------------67
14.1. For Schematic Diagram---------------------------------67
14.2. Schematic Diagram (Base Unit_Main) --------------68
14.3. Schematic Diagram (Base Unit_Operation) -------70
14.4. Schematic Diagram (Handset_Main) ----------------72
14.5. Schematic Diagram (Charger Unit) -----------------74
15 Printed Circuit Board-------------------------------------------75
15.1. Circuit Board (Base Unit_Main) -----------------------75
15.2. Circuit Board (Base Unit_Operation) ----------------77
15.3. Circuit Board (Handset_Main)-------------------------79
15.4. Circuit Board (Charger Unit) ---------------------------81
16 Exploded View and Replacement Parts List -----------82
16.1. Cabinet and Electrical Parts (Base Unit) -----------82
16.2. Cabinet and Electrical Parts (Handset) -------------83
KX-TG4131MEB/KX-TG4132MEB/KX-TG4133MEB/KX-TGA410MEB
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16.3. Cabinet and Electrical Parts (Charger Unit) ------- 84
16.4. Accessories------------------------------------------------ 85
16.5. Replacement Parts List--------------------------------- 86
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