3
KX-TG155SK/KX-TGA660M
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. Circuit Configuration of TG764x Series
Phones ------------------------------------------------------- 7
4.2. US-DECT Description ------------------------------------ 8
4.3. Block Diagram (Base Unit_Main)---------------------10
4.4. Tel Interface Circuit--------------------------------------- 11
4.5. Block Diagram (Base Unit_RF Part) -----------------12
4.6. Circuit Operation (Base Unit) --------------------------13
4.7. Block Diagram (Handset)-------------------------------20
4.8. Block Diagram (Handset_RF Part)-------------------21
4.9. Circuit Operation (Handset)----------------------------22
4.10. Behavior of Electric Power Failure -------------------24
4.11. Circuit Operation (Charger Unit) ----------------------24
4.12. Signal Route -----------------------------------------------25
5 Location of Controls and Components
------------------
27
6 Installation Instructions
---------------------------------------
27
7 Operating Instructions
-----------------------------------------
27
8 Test Mode
----------------------------------------------------------
28
8.1. Engineering Mode ----------------------------------------28
9 Service Mode
-----------------------------------------------------
32
9.1. How to Clear User Setting (Handset Only)---------32
10 Troubleshooting Guide
----------------------------------------
33
10.1. Troubleshooting Flowchart -----------------------------33
11 Disassembly and Assembly Instructions
---------------
49
11.1. Disassembly Instructions -------------------------------49
11.2. How to Attach the Antenna-----------------------------53
11.3. How to Replace the Base unit LCD ------------------54
11.4. How to Replace the Handset LCD -------------------56
12 Measurements and Adjustments
---------------------------
57
12.1. Equipment Required -------------------------------------57
12.2. The Setting Method of JIG -----------------------------57
12.3. Adjustment Standard (Base Unit)---------------------61
12.4. Adjustment Standard (Charger Unit)-----------------62
12.5. Adjustment Standard (Handset) ----------------------63
12.6. Things to Do after Replacing IC or X'tal ------------64
12.7. Frequency Table ------------------------------------------66
12.8. Bluetooth Frequency Table-----------------------------67
13 Miscellaneous
----------------------------------------------------
68
13.1. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------68
13.2. How to Replace the Flat Package IC ----------------70
13.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------72
14 Schematic Diagram
---------------------------------------------
73
14.1. For Schematic Diagram---------------------------------73
14.2. Schematic Diagram (Base Unit_Main) --------------74
14.3. Schematic Diagram (Base Unit_RF)-----------------76
14.4. Schematic Diagram (Base Unit_Operation) -------77
14.5. Schematic Diagram (Base Unit_LED)---------------78
14.6. Schematic Diagram (Handset_Main) ----------------80
14.7. Schematic Diagram (Handset_LED)-----------------82
14.8. Schematic Diagram (Charger Unit) ----------------- 83
15 Printed Circuit Board
------------------------------------------
85
15.1. Circuit Board (Base Unit_Main) ---------------------- 85
15.2. Circuit Board (Base Unit_Operation)---------------- 87
15.3. Circuit Board (Base Unit_LED) ----------------------- 88
15.4. Circuit Board (Handset_Main) ------------------------ 89
15.5. Circuit Board (Handset_LED) ------------------------- 91
15.6. Circuit Board (Charger Unit)--------------------------- 92
16 Exploded View and Replacement Parts List
-----------
93
16.1. Cabinet and Electrical Parts (Base Unit) ----------- 93
16.2. Cabinet and Electrical Parts (Handset)------------- 94
16.3. Cabinet and Electrical Parts (Charger Unit) ------- 95
16.4. Accessories------------------------------------------------ 96
16.5. Replacement Parts List--------------------------------- 97