Table Of Contents - Panasonic KX-TG6700BXB Service Manual

Telephone equipment. expandable digital cordless answering system
Table of Contents

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TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 4
1.1. For Service Technicians --------------------------------- 4
2 Warning -------------------------------------------------------------- 4
2.1. Battery Caution--------------------------------------------- 4
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7
4.1. FHSS Description ----------------------------------------- 7
4.3. Block Diagram (Base Unit_Main)--------------------- 11
4.5. Circuit Operation (Base Unit) --------------------------13
4.6. Block Diagram (Handset_Main)-----------------------23
4.8. Circuit Operation (Handset)----------------------------25
4.9. Circuit Operation (RF Part)-----------------------------29
4.11. Signal Route -----------------------------------------------35
5.1. Controls -----------------------------------------------------37
5.2. Displays -----------------------------------------------------38
6 Installation Instructions ---------------------------------------39
6.1. Setting Up the Base Unit -------------------------------39
6.2. Setting Up the Handset ---------------------------------42
6.4. Battery Charge --------------------------------------------42
7 Operation Instructions-----------------------------------------44
Instructions -------------------------------------------------44
7.2. Programmable Settings ---------------------------------45
7.3. Error Messages -------------------------------------------49
7.4. Troubleshooting -------------------------------------------50
8 Test Mode ----------------------------------------------------------53
9 Service Mode -----------------------------------------------------61
9.1. How to Clear User Setting------------------------------61
10 Troubleshooting Guide ----------------------------------------62
10.1. Troubleshooting Flowchart -----------------------------62
10.3. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------77
11.1. Disassembly Instructions -------------------------------79
Main P.C.Board (Handset) -----------------------------82
12 Measurements and Adjustments---------------------------83
12.1. Things to Do after Replacing IC ----------------------83
12.2. Base Unit Reference Drawing-------------------------84
12.3. Handset Reference Drawing---------------------------85
12.4. Frequency Table ------------------------------------------86
13 Schematic Diagram ---------------------------------------------88
13.1. For Schematic Diagram---------------------------------88
PAGE
14 Printed Circuit Board ---------------------------------------- 103
14.1. Circuit Board (Base Unit_Main) -------------------- 103
14.4. Circuit Board (Handset_Main) ---------------------- 109
14.6. Circuit Board (Charger Unit)--------------------------112
15.1. CPU Data (Base Unit) ---------------------------------113
15.2. CPU Data (Handset) -----------------------------------115
Diodes -----------------------------------------------------119
16.5. Replacement Parts List------------------------------- 125
3
KX-TG6700BXB/KX-TGA670BXB
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