KX-TGF310RUM, KX-TGF320RUM, KX-TGF320UCM, KX-TGFA30RUM - Panasonic Telephone Service Manual (repair manual). Page 3

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KX-TGF310RUM/KX-TGF320RUM/KX-TGF320UCM/KX-TGFA30RUM
TABLE OF CONTENTS
PAGE
PAGE
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. Circuit Operation (Base Unit) --------------------------- 9
4.2.1. Outline --------------------------------------------------- 9
4.3. Tel Interface Circuit---------------------------------------10
4.4. Block Diagram (Base Unit_RF Part) -----------------11
4.5. Circuit Operation (Base Unit) --------------------------12
4.5.1. BBIC (Base Band IC: IC501) ---------------------12
4.5.2. Flash Memory (IC502)------------------------------12
4.5.3. Flash Memory (IC601)(KX-TGF320 only) -----12
4.5.4. Power Supply Circuit/Reset Circuit--------------13
4.5.5. Telephone Line Interface---------------------------14
4.5.6. Transmitter/Receiver--------------------------------15
4.6. Block Diagram (Handset)-------------------------------16
4.7. Block Diagram (Handset_RF Part)-------------------17
4.8. Circuit Operation (Handset)----------------------------18
4.8.1. Outline --------------------------------------------------18
4.8.2. Power Supply Circuit/Reset Circuit--------------18
4.8.3. Charge Circuit ----------------------------------------19
4.8.4. Battery Low/Power Down Detector--------------19
4.8.5. Speakerphone ----------------------------------------19
4.9. Circuit Operation (Charger Unit) ----------------------20
4.10. Signal Route -----------------------------------------------21
5 Location of Controls and Components ------------------23
6 Installation Instructions ---------------------------------------23
7 Operating Instructions-----------------------------------------23
8 Test Mode ----------------------------------------------------------24
8.1. Engineering Mode ----------------------------------------24
8.1.1. Base Unit ----------------------------------------------24
8.1.2. Handset ------------------------------------------------26
8.2. EEPROM LAYOUT (Handset)-------------------------28
8.2.1. Scope ---------------------------------------------------28
8.2.2. Introduction--------------------------------------------28
8.2.3. EEPROM contents ----------------------------------28
8.3. How to Clear User Setting------------------------------29
8.3.1. Resetting both base unit and handset----------29
8.3.2. Resetting only handset -----------------------------29
9 Troubleshooting Guide ----------------------------------------30
9.1. Troubleshooting Flowchart -----------------------------30
9.1.1. Check Power------------------------------------------31
9.1.2. Check Record ----------------------------------------32
9.1.3. Check Playback  -------------------------------------35
9.1.4. Check Battery Charge ------------------------------35
9.1.5. Check Link---------------------------------------------36
9.1.6. Check the RF part -----------------------------------38
9.1.7. Registering a Handset to the Base Unit--------42
9.1.8. Deregistering a Handset ---------------------------42
9.1.9. Check Handset Transmission --------------------43
9.1.10. Check Handset Reception-------------------------43
9.1.11. Check Caller ID --------------------------------------43
9.1.12. Bell Reception---------------------------------------- 44
9.1.13. Check TAM Operation------------------------------ 44
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit)---------------------------------------------- 45
9.2.1. Check Point (Base Unit) --------------------------- 45
9.3. Troubleshooting by Symptom (Handset)----------- 47
9.3.1. Check Point (Handset)----------------------------- 47
10 Disassembly and Assembly Instructions--------------- 50
10.1. Disassembly Instructions------------------------------- 50
10.1.1. Base Unit ---------------------------------------------- 50
10.1.2. Handset------------------------------------------------ 55
10.1.3. Charger Unit ------------------------------------------ 56
10.1.4. How to Replace the Base unit LCD------------- 57
10.2. How to Replace the Handset LCD------------------- 59
11 Measurements and Adjustments -------------------------- 60
11.1. Equipment Required ------------------------------------ 60
11.2. The Setting Method of JIG (Base Unit) ------------- 60
11.2.1. Connections (Base Unit) -------------------------- 60
11.2.2. Connections (Handset) ---------------------------- 61
11.2.3. How to install Batch file into P.C. ---------------- 62
11.2.4. Commands-------------------------------------------- 63
11.3. Adjustment Standard (Base Unit) -------------------- 64
11.3.1. Bottom View ------------------------------------------ 64
11.4. Adjustment Standard (Handset) ---------------------- 65
11.4.1. Component View ------------------------------------ 65
11.5. Things to Do after Replacing IC or X'tal ------------ 66
11.5.1. How to download the data ------------------------ 66
11.6. RF Specification ------------------------------------------ 71
11.6.1. Base Unit ---------------------------------------------- 71
11.6.2. Handset------------------------------------------------ 71
11.7. How to Check the Handset Speaker or
Receiver ---------------------------------------------------- 72
11.8. Frequency Table (MHz)--------------------------------- 72
12 Miscellaneous---------------------------------------------------- 73
12.1. How to Replace the LLP (Leadless Leadframe
Package) IC ----------------------------------------------- 73
12.1.1. Preparation-------------------------------------------- 73
12.1.2. Caution------------------------------------------------- 73
12.1.3. How to Remove the IC----------------------------- 73
12.1.4. How to Install the IC -------------------------------- 74
12.2. How to Replace the Flat Package IC --------------- 75
12.2.1. Preparation-------------------------------------------- 75
12.2.2. How to Remove the IC----------------------------- 75
12.2.3. How to Install the IC -------------------------------- 76
12.2.4. How to Remove a Solder Bridge ---------------- 76
12.3. How to Replace the Shield Case--------------------- 77
12.3.1. Preparation-------------------------------------------- 77
12.3.2. Caution------------------------------------------------- 77
12.3.3. How to Remove the Shield Case---------------- 77
12.3.4. How to Install the Shield Case ------------------- 78
12.4. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 79
12.4.1. Base Unit ---------------------------------------------- 79
12.4.2. Handset------------------------------------------------ 79
13 Schematic Diagram -------------------------------------------- 81
13.1. For Schematic Diagram -------------------------------- 81
13.1.1. Base Unit (Schematic Diagram (Base
Unit_Main)) ------------------------------------------- 81
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