Table Of Contents - Panasonic KX-TG9581B Service Manual

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) ------------------------------ 8
4.2. Circuit Operation (Base Unit) --------------------------- 9
4.2.1. Outline --------------------------------------------------- 9
4.2.2. Power Supply Circuit--------------------------------10
4.2.3. Telephone Line Interface---------------------------13
4.2.4. Transmitter/Receiver--------------------------------13
4.2.5. USB Interface -----------------------------------------14
4.3. Block Diagram (Handset)-------------------------------15
4.4. Circuit Operation (Handset)----------------------------16
4.4.1. Outline --------------------------------------------------16
4.4.2. Power Supply Circuit/Reset Circuit--------------16
4.4.3. Charge Circuit ----------------------------------------16
4.4.4. Battery Low/Power Down Detector--------------17
4.4.5. Speakerphone ----------------------------------------17
4.5. Block Diagram (Charger Unit) -------------------------17
4.6. Signal Route -----------------------------------------------18
5 Location of Controls and Components ------------------23
6 Installation Instructions ---------------------------------------23
7 Operating Instructions-----------------------------------------23
7.1. Registering a Handset to the Base Unit ------------23
7.1.1. Deregistering a Handset ---------------------------23
8 Test Mode ----------------------------------------------------------24
8.1. Engineering Mode ----------------------------------------24
8.1.1. Base Unit ----------------------------------------------24
8.1.2. Handset ------------------------------------------------26
8.2. How to Clear User Setting------------------------------28
8.2.1. Resetting both base unit and handset----------28
8.2.2. Resetting only handset -----------------------------28
9 Troubleshooting Guide ----------------------------------------29
9.1. Troubleshooting Flowchart -----------------------------29
9.1.1. Check Power------------------------------------------30
9.1.2. Check Battery Charge ------------------------------32
9.1.3. Check Link---------------------------------------------33
9.1.4. Check the RF part -----------------------------------35
9.1.5. Check Handset Transmission --------------------38
9.1.6. Check Handset Reception-------------------------38
9.1.7. Check Caller ID --------------------------------------38
9.1.8. Bell Reception ----------------------------------------39
9.1.9. Check TAM Operation ------------------------------39
9.1.10. Check SP-phone Transmission ------------------40
9.1.11. Check SP-phone Reception ----------------------40
9.1.12. Check USB Function--------------------------------40
9.1.13. Check BT Communication-------------------------41
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------43
9.2.1. Check Point (Base Unit) ---------------------------43
9.3. Troubleshooting by Symptom (Handset) -----------45
9.3.1. Check Point (Handset) -----------------------------45
10 Disassembly and Assembly Instructions ---------------48
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10.1. Disassembly Instructions------------------------------- 48
10.1.1. Base Unit ---------------------------------------------- 48
10.1.2. Handset ------------------------------------------------ 52
10.2. Assembly Instructions----------------------------------- 53
10.2.1. How to Replace the Base unit LCD------------- 53
10.2.2. How to Replace the Handset LCD -------------- 55
11 Measurements and Adjustments -------------------------- 56
11.1. Equipment Required ------------------------------------ 56
11.2. The Setting Method of JIG----------------------------- 56
11.2.1. Connections (Base Unit) -------------------------- 56
11.2.2. How to install Batch file into P.C. ---------------- 57
11.2.3. Commands-------------------------------------------- 57
11.3. Adjustment Standard (Base Unit) -------------------- 58
11.3.1. Bottom View ------------------------------------------ 58
11.4. The Setting Method of JIG (Handset)--------------- 59
11.4.1. Connections ------------------------------------------ 59
11.4.2. How to install Batch file into P.C. ---------------- 60
11.4.3. Commands-------------------------------------------- 60
11.5. Adjustment Standard (Handset) ---------------------- 61
11.5.1. Component View ------------------------------------ 61
11.6. Things to Do after Replacing IC or X'tal ------------ 62
11.6.1. How to download the data ------------------------ 62
11.7. How to Check the Portable Speaker or
Receiver ---------------------------------------------------- 68
11.8. Frequency Table (MHz)--------------------------------- 68
11.9. Bluetooth Frequency Table ---------------------------- 69
12 Miscellaneous---------------------------------------------------- 70
12.1. How to Replace the Flat Package IC --------------- 70
12.1.1. Preparation-------------------------------------------- 70
12.1.2. How to Remove the IC ----------------------------- 70
12.1.3. How to Install the IC -------------------------------- 71
12.1.4. How to Remove a Solder Bridge ---------------- 71
12.2. How to Replace the LLP (Leadless Leadframe
Package) IC ----------------------------------------------- 72
12.2.1. Preparation-------------------------------------------- 72
12.2.2. Caution------------------------------------------------- 72
12.2.3. How to Remove the IC ----------------------------- 72
12.2.4. How to Install the IC -------------------------------- 73
12.2.5. How to Remove a Solder Bridge ---------------- 73
12.3. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 74
12.3.1. Base Unit ---------------------------------------------- 74
12.3.2. Handset ------------------------------------------------ 74
13 Schematic Diagram -------------------------------------------- 75
13.1. For Schematic Diagram -------------------------------- 75
13.1.1. Base Unit (Schematic Diagram (Base
Unit_Main)) ------------------------------------------- 75
13.1.2. Handset (Schematic Diagram (Handset))----- 75
13.2. Schematic Diagram (Base Unit_Main)-------------- 76
13.3. Schematic Diagram (Base Unit_Operation) ------- 78
13.4. Schematic Diagram (Base Unit_LCD) -------------- 80
13.5. Schematic Diagram (Base Unit_LED) -------------- 82
13.6. Schematic Diagram (Handset)------------------------ 84
14 Printed Circuit Board ------------------------------------------ 87
14.1. Circuit Board (Base Unit_Main) ---------------------- 87
14.1.1. Component View ------------------------------------ 87
14.1.2. Bottom View ------------------------------------------ 88
14.2. Circuit Board (Base Unit_Operation)---------------- 89
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KX-TG9581B/KX-TG9582B/KX-TGA950B
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