Panasonic KX-TG1070FXB Service Manual

3KX-TG1070FXB/KX-TG1070FXC/KX-TG1072FXB/KX-TGA107EXB/KX-TGA107EXCTABLE OF CONTENTS PAGE1 Safety Precaution ------------------------------------------------ 41.1. For Service Technicians --------------------------------- 42 Warning -------------------------------------------------------------- 42.1. Battery Caution--------------------------------------------- 42.2. About Lead Free Solder (Pbf: Pb free)--------------- 43 Specifications ----------------------------------------------------- 64 Technical Descriptions ----------------------------------------- 74.1. Block Diagram (Base Unit) ------------------------------ 74.2. Circuit Operation (Base Unit) --------------------------- 84.3. Block Diagram (Handset)-------------------------------- 94.4. Circuit Operation (Handset)----------------------------104.5. Signal Flow------------------------------------------------- 115 Location of Controls and Components ------------------125.1. Controls -----------------------------------------------------126 Installation Instructions ---------------------------------------126.1. Connections------------------------------------------------126.2. Battery-------------------------------------------------------137 Operation Instructions-----------------------------------------147.1. Guide to Telephone Settings---------------------------147.2. Handset Registration ------------------------------------147.3. For Service Hint-------------------------------------------148 Service Mode -----------------------------------------------------158.1. Engineering Mode ----------------------------------------158.2. How to Clear User Setting------------------------------198.3. How to Set When Replacing Unit---------------------209 Troubleshooting Guide ----------------------------------------229.1. How to Replace the Flat Package IC ----------------2310 Disassembly and Assembly Instructions ---------------2510.1. Disassembly Instructions -------------------------------2511 Schematic Diagram ---------------------------------------------2711.1. For Schematic Diagram---------------------------------2711.2. Schematic Diagram (Base Unit_Main) --------------2811.3. Schematic Diagram (Base Unit_Operation) -------3111.4. Schematic Diagram (Handset) ------------------------3212 Printed Circuit Board-------------------------------------------3512.1. Circuit Board (Base Unit) -------------------------------3512.2. Circuit Board (Base Unit_Page key) -----------------3712.3. Circuit Board (Handset) ---------------------------------3913 Exploded View and Replacement Parts List -----------41