3
KX-TG3411BX/KX-TG3412BX/KX-TG3419BX/KX-TGA341BX
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. FHSS Description ----------------------------------------- 7
4.2. Block Diagram (Base Unit_Main)---------------------- 9
4.3. Tel Interface Circuit---------------------------------------10
4.4. Block Diagram (Base Unit_RF Part) -----------------11
4.5. Circuit Operation (Base Unit)--------------------------12
4.6. Block Diagram (Handset)-------------------------------18
4.7. Block Diagram (Handset_RF Part)-------------------19
4.8. Circuit Operation (Handset)----------------------------20
4.9. Circuit Operation (Charger Unit) ----------------------21
4.10. Signal Route -----------------------------------------------22
5 Location of Controls and Components
------------------
23
6 Installation Instructions
---------------------------------------
23
7 Operating Instructions
-----------------------------------------
23
8 Test Mode
----------------------------------------------------------
24
8.1. Engineering Mode ----------------------------------------24
9 Service Mode
-----------------------------------------------------
28
9.1. How to Clear User Setting------------------------------28
10 Troubleshooting Guide
----------------------------------------
29
10.1. Troubleshooting Flowchart -----------------------------29
11 Disassembly and Assembly Instructions
---------------
40
11.1. Disassembly Instructions -------------------------------40
11.2. How to Replace the Handset LCD -------------------43
12 Measurements and Adjustments
---------------------------
44
12.1. Equipment Required -------------------------------------44
12.2. The Setting Method of JIG -----------------------------44
12.3. Adjustment of Base Unit --------------------------------48
12.4. Adjustment of Handset ----------------------------------49
12.5. Adjustment Standard (Base Unit)---------------------50
12.6. Adjustment Standard (Charger Unit)-----------------51
12.7. Adjustment Standard (Handset) ----------------------52
12.8. Things to Do after Replacing IC or X'tal ------------53
12.9. How to Check the Handset Receiver----------------55
12.10. Frequency Table (MHz) ---------------------------------56
13 Miscellaneous
----------------------------------------------------
57
13.1. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------57
13.2. How to Replace the Flat Package IC ----------------59
13.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------61
14 Schematic Diagram
---------------------------------------------
62
14.1. For Schematic Diagram---------------------------------62
14.2. Schematic Diagram (Base Unit_Main) --------------64
14.3. Schematic Diagram (Base Unit_RF)-----------------66
14.4. Schematic Diagram (Handset_Main) ----------------68
14.5. Schematic Diagram (Charger Unit) -----------------70
15 Printed Circuit Board
-------------------------------------------
71
15.1. Circuit Board (Base Unit_Main)-----------------------71
15.2. Circuit Board (Handset_Main)-------------------------73
15.3. Circuit Board (Charger Unit) ---------------------------75
16 Exploded View and Replacement Parts List
-----------
76
16.1. Cabinet and Electrical Parts (Base Unit) ----------- 76
16.2. Cabinet and Electrical Parts (Handset)------------- 77
16.3. Cabinet and Electrical Parts (Charger Unit) ------- 78
16.4. Accessories------------------------------------------------ 79
16.5. Replacement Parts List--------------------------------- 80