Table Of Contents - Panasonic KX-TG8411HGB 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)------------------------------- 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 ------------------15
5.1. Controls -----------------------------------------------------15
6 Installation Instructions ---------------------------------------16
6.1. Connections------------------------------------------------16
6.2. Battery-------------------------------------------------------16
7 Operating Instructions-----------------------------------------18
7.1. Programmable Settings ---------------------------------18
7.2. Registering a Handset to a Base Unit ---------------20
7.3. Copying Phonebook Entries ---------------------------21
7.4. Dialling mode ----------------------------------------------21
7.5. Error Messages -------------------------------------------21
7.6. Troubleshooting -------------------------------------------22
7.7. For Service Hint-------------------------------------------26
8 Service Mode -----------------------------------------------------27
8.1. Engineering Mode ----------------------------------------27
8.2. Copying Phonebook Items when Repairing -------31
8.3. How to Clear User Setting------------------------------33
9 Troubleshooting Guide ----------------------------------------34
9.1. Troubleshooting Flowchart -----------------------------34
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------46
9.3. Troubleshooting by Symptom (Handset) -----------50
10 Disassembly and Assembly Instructions ---------------54
10.1. Disassembly Instructions -------------------------------54
10.2. How to Replace the Handset LCD -------------------57
11 Measurements and Adjustments---------------------------58
11.1. Equipment Required -------------------------------------58
11.2. The Setting Method of JIG (Base Unit) -------------58
11.3. Adjustment Standard (Base Unit)---------------------60
11.4. Adjustment Standard (Charger Unit)-----------------61
11.5. The Setting Method of JIG (Handset) ---------------62
11.6. Adjustment Standard (Handset) ----------------------64
11.7. Things to Do after Replacing IC or X'tal ------------65
11.8. RF Specification-------------------------------------------67
11.9. How to Check the Handset Speaker or
Receiver ----------------------------------------------------68
11.10. Frequency Table (MHz) ---------------------------------68
12 Miscellaneous ----------------------------------------------------69
12.1. CPU Data (Base Unit) -----------------------------------69
12.2. CPU Data (Handset)-------------------------------------71
12.3. How to Replace the Flat Package IC ----------------73
12.4. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------75
PAGE
12.5. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 77
13 Schematic Diagram -------------------------------------------- 78
13.1. For Schematic Diagram -------------------------------- 78
13.2. Schematic Diagram (Base Unit)---------------------- 80
13.3. Schematic Diagram (Handset)------------------------ 82
13.4. Schematic Diagram (Charger Unit)------------------ 84
14 Printed Circuit Board ------------------------------------------ 85
14.1. Circuit Board (Base Unit_MAIN) --------------------- 85
14.2. Circuit Board (Handset) -------------------------------- 87
14.3. Circuit Board (Charger Unit)--------------------------- 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 Part List ---------------------------------- 95
3
KX-TG8411HGB/KX-TGA840FXB
PAGE