3
KX-TG6411BXS/KX-TG6411BXT/KX-TG6412BXS/KX-TG6412BXT/KX-TG6413BXS/KX-TG6413BXT/KX-TGA641BXS/KX-TGA641BXT
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions
-----------------------------------------------
4
1.1. For Service Technicians --------------------------------- 4
2 Warning
--------------------------------------------------------------
4
2.1. Battery Caution--------------------------------------------- 4
2.2. About Lead Free Solder (Pbf: Pb free)--------------- 4
2.3. Discarding of P.C. Board--------------------------------- 5
3 Specifications
-----------------------------------------------------
6
4 Technical Descriptions
-----------------------------------------
7
4.1. Block Diagram (Base Unit) ------------------------------ 7
4.2. Circuit Operation (Base Unit) --------------------------- 8
4.3. Block Diagram (Handset)-------------------------------11
4.4. Circuit Operation (Handset)----------------------------12
4.5. Circuit Operation (Charger Unit) ----------------------13
4.6. Signal Route -----------------------------------------------14
5 Location of Controls and Components
------------------
15
6 Installation Instructions
---------------------------------------
15
7 Operating Instructions
-----------------------------------------
15
7.1. For Service Hint-------------------------------------------15
8 Service Mode
-----------------------------------------------------
16
8.1. Engineering Mode ----------------------------------------16
8.2. Copying Phonebook Items when Repairing -------20
8.3. How to Clear User Setting------------------------------22
9 Troubleshooting Guide
----------------------------------------
23
9.1. Troubleshooting Flowchart -----------------------------23
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------35
9.3. Troubleshooting by Symptom (Handset) -----------39
10 Disassembly and Assembly Instructions
---------------
43
10.1. Disassembly Instructions -------------------------------43
10.2. How to Replace the Handset LCD -------------------46
11 Measurements and Adjustments
---------------------------
47
11.1. Equipment Required -------------------------------------47
11.2. The Setting Method of JIG (Base Unit) -------------47
11.3. Adjustment Standard (Base Unit)---------------------49
11.4. Adjustment Standard (Charger Unit)-----------------50
11.5. The Setting Method of JIG (Handset) ---------------51
11.6. Adjustment Standard (Handset) ----------------------53
11.7. Things to Do after Replacing IC or X'tal ------------54
11.8. RF Specification-------------------------------------------56
11.9. How to Check the Handset Speaker or
Receiver ----------------------------------------------------57
11.10. Frequency Table (MHz) ---------------------------------57
12 Miscellaneous
----------------------------------------------------
58
12.1. How to Replace the Flat Package IC----------------58
12.2. How to Replace the Shield Case ---------------------60
12.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------62
13 Schematic Diagram
---------------------------------------------
63
13.1. For Schematic Diagram---------------------------------63
13.2. Schematic Diagram (Base Unit) ----------------------64
13.3. Schematic Diagram (Handset) ------------------------66
13.4. Schematic Diagram (Charger Unit) ------------------68
14 Printed Circuit Board
-------------------------------------------
69
14.1. Circuit Board (Base Unit_Main) -----------------------69
14.2. Circuit Board (Handset) ---------------------------------71
14.3. Circuit Board (Charger Unit) ---------------------------73
15 Exploded View and Replacement Parts List
-----------
74
15.1. Cabinet and Electrical Parts (Base Unit) -----------74
15.2. Cabinet and Electrical Parts (Handset)------------- 75
15.3. Cabinet and Electrical Parts (Charger Unit) ------- 76
15.4. Accessories and Packing Materials ----------------- 77
15.5. Replacement Part List ---------------------------------- 80
