Table Of Contents - Panasonic KX-TG5771BXS 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. FHSS Description ----------------------------------------- 7
4.2. Explanation of Link Data Communication ----------10
4.3. Block Diagram (Base Unit_Main)--------------------- 11
4.4. Block Diagram (Base Unit_RF Part) -----------------12
4.5. Circuit Operation (Base Unit) --------------------------13
4.6. Block Diagram (Handset_Main)-----------------------21
4.7. Block Diagram (Handset_RF Part)-------------------22
4.8. Circuit Operation (Handset)----------------------------23
4.9. Circuit Operation (RF Part)-----------------------------27
4.10. Circuit Operation (Charger Unit) ----------------------32
4.11. Signal Route -----------------------------------------------33
5 Location of Controls and Components ------------------35
5.1. Controls -----------------------------------------------------35
5.2. Displays -----------------------------------------------------36
6 Installation Instructions ---------------------------------------38
6.1. Setting up the Base Unit --------------------------------38
6.2. Setting Up the Handset ---------------------------------38
6.3. Battery Installation/Replacement ---------------------38
6.4. Battery Charge --------------------------------------------39
6.5. Expanding Your Phone System -----------------------40
7 Operation Instructions-----------------------------------------41
7.1. Symbols Used
Instructions -------------------------------------------------41
7.2. Programmable Settings ---------------------------------42
7.3. Dial Lock ----------------------------------------------------45
7.4. Error Messages -------------------------------------------46
7.5. Troubleshooting-------------------------------------------47
8 Test Mode ----------------------------------------------------------50
8.1. Adjustment and Test Mode Flow Chart -------------50
9 Service Mode -----------------------------------------------------58
9.1. How to Clear User Setting------------------------------58
10 Troubleshooting Guide ----------------------------------------59
10.1. Troubleshooting Flowchart -----------------------------59
10.2. Error Message Table-------------------------------------60
10.3. Check Handset Transmission -------------------------71
10.4. Check Handset Reception -----------------------------71
10.5. Check Caller ID -------------------------------------------71
10.6. How to Replace the Flat Package IC ----------------72
10.7. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------74
11 Disassembly and Assembly Instructions ---------------76
11.1. Disassembly Instructions -------------------------------76
11.2. Fix the LCD and the Receiver Guide to the
Main P.C. Board (Handset)-----------------------------79
12 Measurements and Adjustments---------------------------80
12.1. Things to Do after Replacing IC ----------------------80
12.2. Base Unit Reference Drawing-------------------------81
12.3. Handset Reference Drawing---------------------------82
12.4. Frequency Table ------------------------------------------83
13 Schematic Diagram ---------------------------------------------85
13.1. For Schematic Diagram---------------------------------85
PAGE
in These Operating
13.2. Schematic Diagram (Base Unit_Main)-------------- 86
13.3. Schematic Diagram (Base Unit_RF Part)---------- 88
13.4. Schematic Diagram (Base Unit_Operation) ------- 90
13.5. Schematic Diagram (Handset_Main) --------------- 92
13.6. Schematic Diagram (Handset_RF Part)------------ 94
13.7. Schematic Diagram (Charger Unit)------------------ 96
14 Printed Circuit Board ------------------------------------------ 97
14.1. Circuit Board (Base Unit_Main) ---------------------- 97
14.2. Circuit Board (Base Unit_RF Part)------------------- 99
14.3. Circuit Board (Base Unit_Operation)-------------- 101
14.4. Circuit Board (Handset_Main) ---------------------- 103
14.5. Circuit Board (Handset_RF Part) ------------------ 105
14.6. Circuit Board (Charger Unit)------------------------- 106
15 Appendix Information of Schematic Diagram ------- 107
15.1. CPU Data (Base Unit) -------------------------------- 107
15.2. CPU Data (Handset) ---------------------------------- 108
15.3. Explanation of IC Terminals (RF Part) ------------ 109
15.4. Terminal Guide of the ICs, Transistors and
Diodes -----------------------------------------------------112
16 Exploded View and Replacement Parts List ----------113
16.1. Cabinet and Electrical Parts (Base Unit) ----------113
16.2. Cabinet and Electrical Parts (Handset)------------114
16.3. Cabinet and Electrical Parts (Charger Unit) ------115
16.4. Accessories and Packing Materials ----------------116
16.5. Replacement Parts List--------------------------------118
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KX-TG5771BXS/KX-TGA570BXS
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