Table Of Contents - Panasonic KX-TG4763B 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)-------------- 5
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) ----------------------21
4.9. Block Diagram (Range Extender_Main) ------------22
4.10. Block Diagram (Range Extender_RF Part) --------22
4.11. Circuit Operation (Range Extender) -----------------23
4.12. Signal Route -----------------------------------------------25
5 Location of Controls and Components ------------------27
6 Installation Instructions ---------------------------------------27
7 Operating Instructions-----------------------------------------27
8 Test Mode ----------------------------------------------------------28
8.1. Engineering Mode ----------------------------------------28
9 Service Mode -----------------------------------------------------32
9.1. How to Clear User Setting (Handset Only)---------32
10 Troubleshooting Guide ----------------------------------------33
10.1. Troubleshooting Flowchart -----------------------------33
11 Disassembly and Assembly Instructions ---------------48
11.1. Disassembly Instructions -------------------------------48
11.2. How to Replace the Base Unit LCD -----------------53
11.3. How to Replace the Handset LCD -------------------55
12 Measurements and Adjustments---------------------------56
12.1. Equipment Required -------------------------------------56
12.2. The Setting Method of JIG -----------------------------56
12.3. Adjustment Standard (Base Unit)---------------------60
12.4. Adjustment Standard (Charger Unit)-----------------61
12.5. Adjustment Standard (Range Extender) ------------62
12.6. Adjustment Standard (Handset) ----------------------63
12.7. Things to Do after Replacing IC or X'tal ------------64
12.8. Frequency Table ------------------------------------------66
13 Miscellaneous ----------------------------------------------------67
13.1. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------67
13.2. How to Replace the Flat Package IC ----------------69
13.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------71
14 Schematic Diagram ---------------------------------------------73
14.1. For Schematic Diagram---------------------------------73
14.2. Schematic Diagram (Base Unit_Main) --------------74
14.3. Schematic Diagram (Base Unit_Operation) -------76
14.4. Schematic Diagram (Handset_Main) ----------------78
14.5. Schematic Diagram (Handset_LED)-----------------80
14.6. Schematic Diagram (Charger Unit) -----------------81
14.7. Schematic Diagram (Range Extender)--------------82
15 Printed Circuit Board-------------------------------------------85
15.1. Circuit Board (Base Unit_Main) -----------------------85
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15.2. Circuit Board (Base Unit_Operation)---------------- 87
15.3. Circuit Board (Handset_Main) ------------------------ 89
15.4. Circuit Board (Handset_LED) ------------------------- 91
15.5. Circuit Board (Charger Unit)--------------------------- 92
15.6. Circuit Board (Range Extender) ---------------------- 93
16 Exploded View and Replacement Parts List ----------- 95
16.1. Cabinet and Electrical Parts (Base Unit) ----------- 95
16.2. Cabinet and Electrical Parts (Handset)------------- 96
16.3. Cabinet and Electrical Parts (Charger Unit) ------- 97
16.4. Cabinet
Extender)--------------------------------------------------- 98
16.5. Accessories and Packing Materials ----------------- 99
16.6. Replacement Parts List------------------------------- 101
3
KX-TG4763B/KX-TGA470B/KX-TGA405B
and Electrical Parts (Range
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