3
KX-TGF340/KX-TGF342/KX-TGF343/KX-TGF344/KX-TGF345/KX-TGF372/KX-TGF373/KX-TGF374/KX-TGF375/KX-TG585/KX-TGFA30
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions
-----------------------------------------------
1.1. For Service Technicians --------------------------------- 5
2 Warning
--------------------------------------------------------------
2.1. Battery Caution--------------------------------------------- 5
2.2. About Lead Free Solder (PbF: Pb free)-------------- 5
2.2.1. Suggested PbF Solder ------------------------------ 6
2.3. Discarding of P. C. Board-------------------------------- 6
3 Specifications
-----------------------------------------------------
4 Technical Descriptions
-----------------------------------------
4.1. Circuit Configuration of TGF34x/TGF37x
Series Phones---------------------------------------------- 8
4.2. US-DECT Description ------------------------------------ 9
4.2.1. TDD Frame Format ---------------------------------- 9
4.2.2. TDMA system------------------------------------------ 9
4.2.3. Signal Flowchart in the Radio Parts-------------10
4.3. Block Diagram (Base Unit_Main)--------------------- 11
4.4. Tel Interface Circuit---------------------------------------12
4.5. Block Diagram (Base Unit_RF Part) -----------------13
4.6. Circuit Operation (Base Unit) --------------------------14
4.6.1. BBIC (Base Band IC: IC501) ---------------------14
4.6.2. Flash Memory (IC502)------------------------------14
4.6.3. Flash Memory (IC601)------------------------------14
4.6.4. Bluetooth Unit (IC721)------------------------------14
4.6.5. Power Supply Circuit/Reset Circuit--------------15
4.6.6. Telephone Line Interface---------------------------17
4.6.7. Parallel Connection Detect Circuit/Auto
Disconnect Circuit -----------------------------------18
4.6.8. Calling Line Identification (Caller ID)/Call
Waiting Caller ID -------------------------------------19
4.7. Block Diagram (Handset)-------------------------------21
4.8. Block Diagram (Handset_RF Part)-------------------22
4.9. Circuit Operation (Handset)----------------------------23
4.9.1. Outline --------------------------------------------------23
4.9.2. Power Supply Circuit/Reset Circuit--------------23
4.9.3. Charge Circuit ----------------------------------------24
4.9.4. Battery Low/Power Down Detector--------------24
4.9.5. Speakerphone ----------------------------------------24
4.10. Behavior of Electric Power Failure -------------------25
4.11. Circuit Operation (Charger Unit) ----------------------25
4.12. Signal Route -----------------------------------------------26
5 Location of Controls and Components
------------------
6 Installation Instructions
---------------------------------------
7 Operating Instructions
-----------------------------------------
8 Test Mode
----------------------------------------------------------
8.1. Engineering Mode ----------------------------------------29
8.1.1. Base Unit ----------------------------------------------29
8.1.2. Handset ------------------------------------------------31
9 Service Mode
-----------------------------------------------------
9.1. How to Clear User Setting (Handset Only)---------33
10 Troubleshooting Guide
----------------------------------------
10.1. Troubleshooting Flowchart -----------------------------34
10.1.1. Check Power------------------------------------------35
10.1.2. Check Record ----------------------------------------36
10.1.3. Check Playback -------------------------------------39
10.1.4. Check Battery Charge ------------------------------39
10.1.5. Check Link---------------------------------------------40
10.1.6. Check the RF part -----------------------------------42
10.1.7. Registering a Handset to the Base Unit--------46
10.1.8. Deregistering a Handset--------------------------- 46
10.1.9. Check Handset Transmission -------------------- 47
10.1.10. Check Handset Reception ------------------------ 47
10.1.11. Check Caller ID ------------------------------------- 47
10.1.12. Check BT Communication ------------------------ 48
11 Disassembly and Assembly Instructions
---------------
11.1. Disassembly Instructions------------------------------- 50
11.1.1. Base Unit ---------------------------------------------- 50
11.1.2. Handset------------------------------------------------ 54
11.1.3. Charger Unit ------------------------------------------ 55
11.2. How to Replace the Base unit LCD ----------------- 56
11.3. How to Replace the Handset LCD------------------- 58
12 Measurements and Adjustments
--------------------------
12.1. Equipment Required ------------------------------------ 59
12.2. The Setting Method of JIG----------------------------- 59
12.2.1. Connections (Base Unit) -------------------------- 59
12.2.2. Connections (Handset) ---------------------------- 60
12.2.3. How to install Batch file into P.C. ---------------- 61
12.2.4. Commands-------------------------------------------- 62
12.3. Adjustment Standard (Base Unit) -------------------- 63
12.3.1. Bottom View ------------------------------------------ 63
12.4. Adjustment Standard (Handset) ---------------------- 64
12.4.1. Component View ------------------------------------ 64
12.5. Things to Do after Replacing IC or X'tal ------------ 65
12.5.1. How to download the data ------------------------ 65
12.6. Frequency Table------------------------------------------ 70
12.7. Bluetooth Frequency Table ---------------------------- 71
13 Miscellaneous
----------------------------------------------------
13.1. How to Replace the LLP (Leadless Leadframe
Package) IC ----------------------------------------------- 72
13.1.1. Preparation-------------------------------------------- 72
13.1.2. Caution------------------------------------------------- 72
13.1.3. How to Remove the IC----------------------------- 72
13.1.4. How to Install the IC -------------------------------- 73
13.2. How to Replace the Flat Package IC --------------- 74
13.2.1. Preparation-------------------------------------------- 74
13.2.2. How to Remove the IC----------------------------- 74
13.2.3. How to Install the IC -------------------------------- 75
13.2.4. How to Remove a Solder Bridge ---------------- 75
13.3. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 76
13.3.1. Base Unit ---------------------------------------------- 76
13.3.2. Handset------------------------------------------------ 76
14 Schematic Diagram
--------------------------------------------
14.1. For Schematic Diagram -------------------------------- 77
14.1.1. Base Unit (Schematic Diagram (Base
Unit_Main)) ------------------------------------------- 77
14.1.2. Handset (Schematic Diagram
(Handset_Main))------------------------------------- 77
14.2. Schematic Diagram (Base Unit_Main)-------------- 78
14.3. Schematic Diagram (Base Unit_RF) ---------------- 80
14.4. Schematic Diagram (Base Unit_Operation) ------- 81
14.5. Schematic Diagram (Base Unit_LED) -------------- 82
14.6. Schematic Diagram (Handset_Main) --------------- 83
14.7. Schematic Diagram (Handset_BBIC Module) ---- 84
15 Printed Circuit Board
------------------------------------------
15.1. Circuit Board (Base Unit_Main) ---------------------- 87
15.1.1. Component View ------------------------------------ 87