Table Of Contents - Panasonic KX-TG9120FXS 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
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)------------------------------- 11
4.4. Circuit Operation (Handset)----------------------------12
4.5. Circuit Operation (Charger Unit) ----------------------13
4.6. Signal Route -----------------------------------------------14
5 Location of Controls and Components ------------------16
5.1. Controls -----------------------------------------------------16
6 Installation Instructions ---------------------------------------17
6.1. Connections------------------------------------------------17
6.2. Battery-------------------------------------------------------17
6.3. Expanding your phone system ------------------------19
7 Operation Instructions-----------------------------------------20
7.1. Base Unit Settings----------------------------------------20
7.2. Handset Settings -----------------------------------------21
7.3. Registering a Handset to a Base Unit ---------------22
7.4. Copying Phonebook Entries ---------------------------23
7.5. For Service Hint-------------------------------------------24
8 Service Mode -----------------------------------------------------25
8.1. Engineering Mode ----------------------------------------25
8.2. Copying Phonebook Items When Repairing-------30
8.3. How to Clear User Setting------------------------------32
9 Troubleshooting Guide ----------------------------------------33
9.1. Troubleshooting Flowchart -----------------------------33
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------41
9.3. Troubleshooting by Symptom (Handset) -----------45
9.4. How to Replace the Flat Package IC ----------------49
9.5. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------51
10 Disassembly and Assembly Instructions ---------------53
10.1. Disassembly Instructions -------------------------------53
10.2. Assembly Instructions -----------------------------------57
11 Measurements and Adjustments---------------------------58
11.1. The Setting Method of JIG (Base Unit) -------------58
11.2. Adjustment Standard (Base Unit)---------------------60
11.3. Adjustment Standard (Charger Unit)-----------------61
11.4. The Setting Method of JIG (Handset) ---------------62
11.5. Adjustment Standard (Handset) ----------------------64
11.6. Things to Do after Replacing IC ----------------------65
11.7. RF Specification-------------------------------------------66
11.8. How to Check the Handset Speaker or
Receiver ----------------------------------------------------67
11.9. Frequency Table (MHz) ---------------------------------67
12 Schematic Diagram ---------------------------------------------69
12.1. For Schematic Diagram---------------------------------69
12.2. Schematic Diagram (Base Unit_Main) --------------70
12.3. Schematic Diagram (Base Unit_Operation) -------72
12.4. Schematic Diagram (Handset) ------------------------74
12.5. Schematic Diagram (Charger Unit) ------------------76
13 Printed Circuit Board-------------------------------------------77
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13.1. Circuit Board (Base Unit_Main) ---------------------- 77
13.2. Circuit Board (Base Unit_Operation)---------------- 79
13.3. Circuit Board (Handset) -------------------------------- 81
13.4. Circuit Board (Charger Unit)--------------------------- 83
14 Appendix Information of Schematic Diagram --------- 84
14.1. CPU Data (Base Unit) ---------------------------------- 84
14.2. CPU Data (Handset) ------------------------------------ 86
14.3. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 89
15 Exploded View and Replacement Parts List ----------- 90
15.1. Cabinet and Electrical Parts (Base Unit) ----------- 90
15.2. Cabinet and Electrical Parts (Handset)------------- 91
15.3. Cabinet and Electrical Parts (Charger Unit) ------- 92
15.4. Accessories and Packing Materials ----------------- 93
15.5. Replacement Parts List--------------------------------- 95
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KX-TG9120FXS/KX-TGA910FXS
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