Table Of Contents - Panasonic KX-TG9471B 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 (Portable)------------------------------- 11
4.4. Circuit Operation (Portable)----------------------------12
4.5. Circuit Operation (Charger Unit) ----------------------13
4.6. Signal Route -----------------------------------------------14
5 Location of Controls and Components ------------------18
6 Installation Instructions ---------------------------------------18
7 Operating Instructions-----------------------------------------18
7.1. Registering a Portable to the Base Unit ------------18
7.2. Copying Phonebook Entries ---------------------------19
8 Service Mode -----------------------------------------------------20
8.1. Engineering Mode ----------------------------------------20
8.2. Copying Phonebook Items when Repairing -------24
8.3. How to Clear User Setting------------------------------26
9 Troubleshooting Guide ----------------------------------------27
9.1. Troubleshooting Flowchart -----------------------------27
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------40
9.3. Troubleshooting by Symptom (Portable) -----------44
10 Disassembly and Assembly Instructions ---------------48
10.1. Disassembly Instructions -------------------------------48
10.2. Assembly Instructions -----------------------------------53
11 Measurements and Adjustments---------------------------56
11.1. Equipment Required -------------------------------------56
11.2. The Setting Method of JIG -----------------------------56
11.3. Adjustment Standard (Base Unit)---------------------58
11.4. Adjustment Standard (Charger Unit)-----------------59
11.5. The Setting Method of JIG (Portable) ---------------60
11.6. Adjustment Standard (Portable) ----------------------62
11.7. Things to Do after Replacing IC or X'tal ------------63
11.8. RF Specification-------------------------------------------69
11.9. How to Check the Portable Speaker or
Receiver ----------------------------------------------------70
11.10. Frequency Table (MHz) ---------------------------------70
12 Miscellaneous ----------------------------------------------------71
12.1. How to Replace the Flat Package IC ----------------71
12.2. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------73
12.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------75
13 Schematic Diagram ---------------------------------------------76
13.1. For Schematic Diagram---------------------------------76
13.2. Schematic Diagram (Base Unit_Main) --------------78
13.3. Schematic Diagram (Base Unit_Operation) -------82
13.4. Schematic Diagram (Base Unit_LCD)---------------83
13.5. Schematic Diagram (Base Unit_LED)---------------84
13.6. Schematic Diagram (Portable) ------------------------86
13.7. Schematic Diagram (Charger Unit) ------------------88
14 Printed Circuit Board-------------------------------------------89
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14.1. Circuit Board (Base Unit_Main) ---------------------- 89
14.2. Circuit Board (Base Unit_Operation)---------------- 91
14.3. Circuit Board (Base Unit_LCD) ----------------------- 93
14.4. Circuit Board (Base Unit_LED) ----------------------- 94
14.5. Circuit Board (Portable) -------------------------------- 95
14.6. Circuit Board (Charger Unit)--------------------------- 97
15 Exploded View and Replacement Parts List ----------- 98
15.1. Cabinet and Electrical Parts (Base Unit) ----------- 98
15.2. Cabinet and Electrical Parts (Portable)------------- 99
15.3. Cabinet and Electrical Parts (Charger Unit) ----- 100
15.4. Accessories and Packing Materials --------------- 101
15.5. Replacement Parts List------------------------------- 104
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KX-TG9471B/KX-TG9472B/KX-TGA939T
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