Table of Contents
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TABLE OF CONTENTS
1 Safety Precautions----------------------------------------------- 5
1.1. For Service Technicians --------------------------------- 5
2 Warning -------------------------------------------------------------- 5
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 ----------------------------------------------------- 7
4 Technical Descriptions ----------------------------------------- 8
4.1. Block Diagram (Base Unit_Main)---------------------- 8
4.2. Block Diagram (Base Unit_RF Part) ------------------ 9
4.3. Circuit Operation (Base Unit) --------------------------10
4.3.1. BBIC (Base Band IC: IC501) ---------------------10
4.3.2. Flash Memory (IC601)------------------------------10
4.3.3. EEPROM (IC611) ------------------------------------10
4.3.4. Power Supply Circuit/Reset Circuit-------------- 11
4.3.5. Telephone Line Interface---------------------------13
4.3.6. Transmitter/Receiver--------------------------------14
4.4. Block Diagram (Handset)-------------------------------15
4.5. Circuit Operation (Handset)----------------------------16
4.5.1. Outline --------------------------------------------------16
4.5.2. Power Supply Circuit/Reset Circuit--------------16
4.5.3. Charge Circuit ----------------------------------------16
4.5.4. Battery Low/Power Down Detector--------------16
4.5.5. Speakerphone ----------------------------------------16
4.6. Behavior of Electric Power Failure ------------------17
4.7. Signal Route -----------------------------------------------18
5 Location of Controls and Components ------------------20
6 Installation Instructions ---------------------------------------20
7 Operating Instructions-----------------------------------------20
7.1. For Service Hint-------------------------------------------20
8 Test Mode ----------------------------------------------------------21
8.1. Engineering Mode ----------------------------------------21
8.1.1. Base Unit ----------------------------------------------21
8.1.2. Handset ------------------------------------------------23
8.2. VES area layout in Flash (Handset) -----------------25
8.2.1. Scope ---------------------------------------------------25
8.2.2. Introduction --------------------------------------------25
8.2.3. VES area contents-----------------------------------25
8.3. How to Clear User Setting------------------------------26
8.3.1. Resetting both base unit and handset----------26
8.3.2. Resetting only h andset ----------------------------26
9 Troubleshooting Guide ----------------------------------------27
9.1. Troubleshooting Flowchart -----------------------------27
9.1.1. Check Power------------------------------------------28
9.1.2. Check Record ----------------------------------------29
9.1.3. Check Playback -------------------------------------29
9.1.4. Check Battery Charge ------------------------------30
9.1.5. Check Link---------------------------------------------31
9.1.6. Check the RF part -----------------------------------33
9.1.8. Deregistering a Handset ---------------------------37
9.1.9. Check Handset Transmission --------------------38
9.1.10. Check Handset Reception-------------------------38
9.1.11. Check Caller ID --------------------------------------38
9.1.12. Check Bell Reception-------------------------------39
9.1.13. Check TAM Operation ------------------------------39
9.2. Troubleshooting by Symptom (Base Unit) ---------40
KX-TGD320ALB/KX-TGD322ALB/KX-TGD323ALB/KX-TGDA30AZB
PAGE
9.2.1. Check Point (Base Unit) --------------------------- 40
9.3. Troubleshooting by Symptom (Handset)----------- 42
9.3.1. Check Point (Handset) ----------------------------- 42
10 Disassembly and Assembly Instructions--------------- 45
10.1. Disassembly Instructions------------------------------- 45
10.1.1. Base Unit ---------------------------------------------- 45
10.1.2. Handset ------------------------------------------------ 47
10.1.3. Charger Unit ------------------------------------------ 48
10.2. How to Replace the Handset LCD------------------- 49
11 Measurements and Adjustments -------------------------- 50
11.1. Equipment Required ------------------------------------ 50
11.2. The Setting Method of JIG----------------------------- 50
11.2.1. Connections (Base Unit) -------------------------- 51
11.2.2. How to install Batch file into P.C. ---------------- 52
11.2.3. Commands-------------------------------------------- 52
11.3. Adjustment Standard (Base Unit) -------------------- 53
11.3.1. Bottom View ------------------------------------------ 53
11.4. The Setting Method of JIG (Handset)--------------- 54
11.4.1. Connections ------------------------------------------ 54
11.4.2. How to install Batch file into P.C. ---------------- 55
11.4.3. Commands-------------------------------------------- 55
11.5. Adjustment Standard (Handset) ---------------------- 56
11.5.1. Component View ------------------------------------ 56
11.6. Things to Do after Replacing IC or X'tal ------------ 57
11.6.1. How to download the data ------------------------ 57
11.7. RF Specification ------------------------------------------ 62
11.7.1. Base Unit ---------------------------------------------- 62
11.7.2. Handset ------------------------------------------------ 62
Receiver ---------------------------------------------------- 62
12 Miscellaneous---------------------------------------------------- 63
12.1. How to Replace the Flat Package IC --------------- 63
12.1.1. Preparation-------------------------------------------- 63
12.1.2. How to Remove the IC ----------------------------- 63
12.1.3. How to Install the IC -------------------------------- 64
12.1.4. How to Remove a Solder Bridge ---------------- 64
12.2. How to Replace the Shield Case--------------------- 65
12.2.1. Preparation-------------------------------------------- 65
12.2.2. Caution------------------------------------------------- 65
12.2.3. How to Remove the Shield Case---------------- 65
12.2.4. How to Install the Shield Case ------------------- 66
Diodes ------------------------------------------------------ 67
12.3.1. Base Unit ---------------------------------------------- 67
12.3.2. Handset ------------------------------------------------ 67
13 Schematic Diagram -------------------------------------------- 68
13.1. For Schematic Diagram -------------------------------- 68
13.1.1. Base Unit (Base Unit (Main)) --------------------- 68
13.1.2. Handset (Handset (Main)) ------------------------ 68
13.2. Base Unit (Main) ----------------------------------------- 70
13.3. Handset (Main) ------------------------------------------- 72
13.3.1. Main P. C. Board------------------------------------- 72
13.3.2. Module P. C. Board --------------------------------- 74
14 Printed Circuit Board ------------------------------------------ 77
14.1. Base Unit (Main) ----------------------------------------- 77
14.1.1. Component View ------------------------------------ 77
14.1.2. Bottom View ------------------------------------------ 78
14.2. Base Unit (Operation)----------------------------------- 79
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Table of Contents
Troubleshooting
