Table Of Contents - Panasonic KX-TG4011LAT Service Manual

Expandable digital cordless phone
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
2.3. Discarding of P. C. Board-------------------------------- 5
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7
4.1. US-DECT Description ------------------------------------ 7
4.2. Block Diagram (Base Unit_Main)---------------------- 9
4.4. Circuit Operation (Base Unit) -------------------------- 11
4.5. Block Diagram (Handset)-------------------------------18
4.7. Circuit Operation (Handset)----------------------------20
4.8. Circuit Operation (Charger Unit) ----------------------22
4.9. Signal Route -----------------------------------------------23
6 Installation Instructions ---------------------------------------24
7 Operating Instructions-----------------------------------------24
8 Test Mode ----------------------------------------------------------25
8.1. Engineering Mode ----------------------------------------25
9 Service Mode -----------------------------------------------------29
10 Troubleshooting Guide ----------------------------------------30
10.1. Troubleshooting Flowchart -----------------------------30
11.1. Disassembly Instructions -------------------------------41
12 Measurements and Adjustments---------------------------45
12.1. Equipment Required -------------------------------------45
12.2. The Setting Method of JIG -----------------------------45
12.5. Adjustment Standard (Handset) ----------------------50
12.7. Frequency Table ------------------------------------------53
13 Miscellaneous ----------------------------------------------------54
13.2. How to Replace the Shield Case ---------------------56
13.3. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------58
Diodes -------------------------------------------------------60
14 Schematic Diagram ---------------------------------------------61
14.1. For Schematic Diagram---------------------------------61
15 Printed Circuit Board-------------------------------------------67
15.1. Circuit Board (Base Unit_Main) -----------------------67
15.2. Circuit Board (Handset_Main)-------------------------69
15.3. Circuit Board (Charger Unit) ---------------------------71
16.4. Accessories ------------------------------------------------75
KX-TG4011LAT/KX-TG4012LAT/KX-TG4013LAT/KX-TGA403LAT
PAGE
16.5. Replacement Parts List--------------------------------- 76
3
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