Table Of Contents - Panasonic KX-TG1381 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) ------------------------------ 7
4.2. Circuit Operation (Base Unit) --------------------------- 8
4.3. Block Diagram (Handset)-------------------------------10
4.4. Circuit Operation (Handset)---------------------------- 11
4.5. Circuit Operation (Charger Unit) ---------------------- 11
4.6. Signal Route -----------------------------------------------12
5 Location of Controls and Components ------------------13
5.1. Location of Controls--------------------------------------13
6 Installation Instructions ---------------------------------------13
6.1. Connections------------------------------------------------13
6.2. Battery-------------------------------------------------------14
7 Operating Instructions-----------------------------------------15
7.1. Guide to Base Unit Settings ---------------------------15
7.2. Guide to Handset Settings -----------------------------16
7.3. Dialling mode ----------------------------------------------16
7.4. For Service Hint-------------------------------------------17
8 Service Mode -----------------------------------------------------18
8.1. Engineering Mode ----------------------------------------18
9 Troubleshooting Guide ----------------------------------------22
9.1. Troubleshooting Flowchart -----------------------------22
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------28
9.3. Troubleshooting by Symptom (Handset) -----------31
10 Disassembly and Assembly Instructions ---------------33
10.1. Disassembly Instructions -------------------------------33
10.2. How to Replace the Handset LCD -------------------36
11 Measurements and Adjustments---------------------------37
11.1. The Setting Method of JIG (Base Unit) -------------37
11.2. Adjustment Standard (Base Unit)---------------------39
11.3. Adjustment Standard (Charger Unit)-----------------40
11.4. The Setting Method of JIG (Handset) ---------------41
11.5. Adjustment Standard (Handset) ----------------------43
11.6. Things to Do after Replacing IC ----------------------44
11.7. RF Specification-------------------------------------------45
11.8. How to Check the Handset Speaker or
Receiver ----------------------------------------------------46
11.9. Frequency Table (MHz) ---------------------------------46
12 Miscellaneous ----------------------------------------------------47
12.1. CPU Data (Base Unit) -----------------------------------47
12.2. CPU Data (Handset)-------------------------------------49
12.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------51
13 Schematic Diagram ---------------------------------------------53
13.1. For Schematic Diagram---------------------------------53
13.2. Schematic Diagram (Base Unit) ----------------------54
13.3. Schematic Diagram (Handset) ------------------------55
13.4. Schematic Diagram (Charger Unit) ------------------56
14 Printed Circuit Board-------------------------------------------57
14.1. Circuit Board (Base Unit) -------------------------------57
14.2. Circuit Board (Base Unit_Career) --------------------59
KX-TG1381HKH/KX-TG1381HKV/KX-TG1381HKW/KX-TG1382HKH/KX-TGA131HMH/KX-TGA131HMV/KX-TGA131HMW
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15 Exploded View and Replacement Parts List ----------- 65
3
14.3. Circuit Board (Handset) -------------------------------- 61
14.4. Circuit Board (Handset_Career)---------------------- 63
14.5. Circuit Board (Charger Unit)--------------------------- 64
15.1. Cabinet, Electrical Parts and Accessories
(Base Unit/Handset)------------------------------------- 65
15.2. Replacement Part List ---------------------------------- 66
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