Table Of Contents - Panasonic KX-TG9385BXT Service Manual

TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 4
1.1. For Service Technicians --------------------------------- 4
2 Warning -------------------------------------------------------------- 4
2.1. About Lead Free Solder (Pbf: Pb free)--------------- 4
2.2. Discarding of P. C. Board-------------------------------- 5
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7
4.1. Circuit Configuration
Phones ------------------------------------------------------- 7
4.2. Block Diagram (Base Unit) ------------------------------ 8
4.3. Circuit Operation (Base Unit) --------------------------- 9
4.4. Block Diagram (Handset)-------------------------------12
4.5. Circuit Operation (Handset)----------------------------13
4.6. Circuit Operation (Charger Unit) ----------------------14
4.7. Signal Route -----------------------------------------------15
5 Location of Controls and Components ------------------18
6 Installation Instructions ---------------------------------------18
7 Operating Instructions-----------------------------------------18
8 Service Mode -----------------------------------------------------19
8.1. Engineering Mode ----------------------------------------19
8.2. Copying Phonebook Items when Repairing -------23
8.3. How to Clear User Setting------------------------------25
9 Troubleshooting Guide ----------------------------------------26
9.1. Troubleshooting Flowchart -----------------------------26
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------37
9.3. Troubleshooting by Symptom (Handset) -----------40
10 Disassembly and Assembly Instructions ---------------43
10.1. Disassembly Instructions -------------------------------43
10.2. Assembly Instructions -----------------------------------47
11 Measurements and Adjustments---------------------------50
11.1. Equipment Required -------------------------------------50
11.2. The Setting Method of JIG (Base Unit) -------------50
11.3. Adjustment Standard (Base Unit)---------------------53
11.4. Adjustment Standard (Charger Unit)-----------------54
11.5. The Setting Method of JIG (Handset) ---------------55
11.6. Adjustment Standard (Handset) ----------------------57
11.7. Things to Do after Replacing IC or X'tal ------------58
11.8. RF Specification-------------------------------------------60
11.9. How to Check the Handset Speaker or
Receiver ----------------------------------------------------61
11.10. 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. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------66
13 Schematic Diagram ---------------------------------------------67
13.1. For Schematic Diagram---------------------------------67
13.2. Schematic Diagram (Base Unit_Main) --------------68
13.3. Schematic Diagram (Base Unit_Operation) -------70
13.4. Schematic Diagram (Handset) ------------------------72
13.5. Schematic Diagram (Charger Unit) ------------------74
14 Printed Circuit Board-------------------------------------------75
14.1. Circuit Board (Base Unit_Main) -----------------------75
14.2. Circuit Board (Base Unit_Operation) ----------------77
14.3. Circuit Board (Handset) ---------------------------------79
PAGE
of TG938x Series
14.4. Circuit Board (Charger Unit)--------------------------- 81
15 Exploded View and Replacement Parts List ----------- 82
15.1. Cabinet and Electrical Parts (Base Unit) ----------- 82
15.2. Cabinet and Electrical Parts (Handset)------------- 83
15.3. Cabinet and Electrical Parts (Charger Unit) ------- 84
15.4. Accessories------------------------------------------------ 85
15.5. Replacement Parts List--------------------------------- 86
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KX-TG9385BXT/KX-TGA939BXT
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