Panasonic KX-TG4131MEB Service Manual

Contents

3KX-TG4131MEB/KX-TG4132MEB/KX-TG4133MEB/KX-TGA410MEBTABLE OF CONTENTS PAGE PAGE1 Safety Precautions----------------------------------------------- 41.1. For Service Technicians --------------------------------- 42 Warning -------------------------------------------------------------- 42.1. Battery Caution--------------------------------------------- 42.2. About Lead Free Solder (PbF: Pb free)-------------- 42.3. Discarding of P. C. Board-------------------------------- 53 Specifications ----------------------------------------------------- 64 Technical Descriptions ----------------------------------------- 74.1. US-DECT Description ------------------------------------ 74.2. Block Diagram (Base Unit_Main)---------------------- 94.3. Block Diagram (Base Unit_RF Part) -----------------104.4. Circuit Operation (Base Unit) -------------------------- 114.5. Block Diagram (Handset)-------------------------------184.6. Block Diagram (Handset_RF Part)-------------------194.7. Circuit Operation (Handset)----------------------------204.8. Circuit Operation (Charger Unit) ----------------------224.9. Signal Route -----------------------------------------------235 Location of Controls and Components ------------------256 Installation Instructions ---------------------------------------257 Operating Instructions-----------------------------------------258 Test Mode ----------------------------------------------------------268.1. Engineering Mode ----------------------------------------269 Service Mode -----------------------------------------------------309.1. How to Clear User Setting (Handset Only)---------3010 Troubleshooting Guide ----------------------------------------3110.1. Troubleshooting Flowchart -----------------------------3111 Disassembly and Assembly Instructions ---------------4511.1. Disassembly Instructions -------------------------------4511.2. How to Replace the Base Unit LCD -----------------4911.3. How to Replace the Handset LCD -------------------5112 Measurements and Adjustments---------------------------5212.1. Equipment Required -------------------------------------5212.2. The Setting Method of JIG -----------------------------5212.3. Adjustment Standard (Base Unit)---------------------5612.4. Adjustment Standard (Charger Unit)-----------------5712.5. Adjustment Standard (Handset) ----------------------5812.6. Things to Do after Replacing IC or X'tal ------------5912.7. Frequency Table ------------------------------------------6113 Miscellaneous ----------------------------------------------------6213.1. How to Replace the LLP (Leadless LeadframePackage) IC------------------------------------------------6213.2. How to Replace the Flat Package IC ----------------6413.3. Terminal Guide of the ICs, Transistors andDiodes -------------------------------------------------------6614 Schematic Diagram ---------------------------------------------6714.1. For Schematic Diagram---------------------------------6714.2. Schematic Diagram (Base Unit_Main) --------------6814.3. Schematic Diagram (Base Unit_Operation) -------7014.4. Schematic Diagram (Handset_Main) ----------------7214.5. Schematic Diagram (Charger Unit) -----------------7415 Printed Circuit Board-------------------------------------------7515.1. Circuit Board (Base Unit_Main) -----------------------7515.2. Circuit Board (Base Unit_Operation) ----------------7715.3. Circuit Board (Handset_Main)-------------------------7915.4. Circuit Board (Charger Unit) ---------------------------8116 Exploded View and Replacement Parts List -----------8216.1. Cabinet and Electrical Parts (Base Unit) -----------8216.2. Cabinet and Electrical Parts (Handset) -------------8316.3. Cabinet and Electrical Parts (Charger Unit) ------- 8416.4. Accessories------------------------------------------------ 8516.5. Replacement Parts List--------------------------------- 86