Panasonic KX-TG4753B Service Manual

Also see for KX-TGA405B: Service manual Service manual

Contents

Panasonic KX-TG4753B Service Manual Manual pdf 3 page image

3KX-TG4753B/KX-TG470B/KX-TGA405BTABLE 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) ----------------------214.9. Block Diagram (Range Extender_Main) ------------224.10. Block Diagram (Range Extender_RF Part) --------224.11. Circuit Operation (Range Extender) -----------------234.12. Signal Route -----------------------------------------------255 Location of Controls and Components ------------------276 Installation Instructions ---------------------------------------277 Operating Instructions-----------------------------------------278 Test Mode ----------------------------------------------------------288.1. Engineering Mode ----------------------------------------289 Service Mode -----------------------------------------------------329.1. How to Clear User Setting (Handset Only)---------3210 Troubleshooting Guide ----------------------------------------3310.1. Troubleshooting Flowchart -----------------------------3311 Disassembly and Assembly Instructions ---------------4811.1. Disassembly Instructions -------------------------------4811.2. How to Replace the Base Unit LCD -----------------5311.3. How to Replace the Handset LCD -------------------5512 Measurements and Adjustments---------------------------5612.1. Equipment Required -------------------------------------5612.2. The Setting Method of JIG -----------------------------5612.3. Adjustment Standard (Base Unit)---------------------6012.4. Adjustment Standard (Charger Unit)-----------------6112.5. Adjustment Standard (Range Extender) ------------6212.6. Adjustment Standard (Handset) ----------------------6312.7. Things to Do after Replacing IC or X'tal ------------6412.8. Frequency Table ------------------------------------------6613 Miscellaneous ----------------------------------------------------6713.1. How to Replace the LLP (Leadless LeadframePackage) IC------------------------------------------------6713.2. How to Replace the Flat Package IC ----------------6913.3. Terminal Guide of the ICs, Transistors andDiodes -------------------------------------------------------7114 Schematic Diagram ---------------------------------------------7314.1. For Schematic Diagram---------------------------------7314.2. Schematic Diagram (Base Unit_Main) --------------7414.3. Schematic Diagram (Base Unit_Operation) -------7614.4. Schematic Diagram (Handset_Main) ----------------7814.5. Schematic Diagram (Handset_LED)-----------------8014.6. Schematic Diagram (Charger Unit) -----------------8114.7. Schematic Diagram (Range Extender)--------------8215 Printed Circuit Board-------------------------------------------8515.1. Circuit Board (Base Unit_Main) -----------------------8515.2. Circuit Board (Base Unit_Operation)---------------- 8715.3. Circuit Board (Handset_Main) ------------------------ 8915.4. Circuit Board (Handset_LED) ------------------------- 9115.5. Circuit Board (Charger Unit)--------------------------- 9215.6. Circuit Board (Range Extender) ---------------------- 9316 Exploded View and Replacement Parts List ----------- 9516.1. Cabinet and Electrical Parts (Base Unit) ----------- 9516.2. Cabinet and Electrical Parts (Handset)------------- 9616.3. Cabinet and Electrical Parts (Charger Unit) ------- 9716.4. Cabinet and Electrical Parts (RangeExtender)--------------------------------------------------- 9816.5. Accessories and Packing Materials ----------------- 9916.6. Replacement Parts List------------------------------- 101