Table Of Contents - Panasonic KX-TGF350N 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. Circuit Configuration of TGF35x/38x 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) (for KX-TGF38x
only) -----------------------------------------------------14
4.6.5. Power Supply Circuit/Reset Circuit--------------15
4.6.6. Telephone Line Interface---------------------------16
4.6.7. Parallel Connection Detect Circuit/Auto
Disconnect Circuit -----------------------------------17
4.6.8. Calling Line Identification (Caller ID)/Call
Waiting Caller ID -------------------------------------18
4.7. Block Diagram (Handset)-------------------------------20
4.8. Block Diagram (Handset_RF Part)-------------------21
4.9. Circuit Operation (Handset)----------------------------22
4.9.1. Outline --------------------------------------------------22
4.9.2. Power Supply Circuit/Reset Circuit--------------22
4.9.3. Charge Circuit ----------------------------------------23
4.9.4. Battery Low/Power Down Detector--------------23
4.9.5. Speakerphone ----------------------------------------23
4.10. Circuit Operation (Charger Unit) ----------------------24
5 Location of Controls and Components ------------------25
6 Installation Instructions ---------------------------------------25
7 Operating Instructions-----------------------------------------25
8 Test Mode ----------------------------------------------------------26
8.1. Engineering Mode ----------------------------------------26
8.1.1. Base Unit ----------------------------------------------26
8.1.2. Handset ------------------------------------------------28
9 Service Mode -----------------------------------------------------30
9.1. How to Clear User Setting (Handset Only)---------30
10 Troubleshooting Guide ----------------------------------------31
10.1. Troubleshooting Flowchart -----------------------------31
10.1.1. Check Power------------------------------------------32
10.1.2. Check Record ----------------------------------------33
10.1.3. Check Playback -------------------------------------36
10.1.4. Check Battery Charge ------------------------------36
10.1.5. Check Link---------------------------------------------37
10.1.6. Check the RF part -----------------------------------39
10.1.7. Registering a Handset to the Base Unit--------43
10.1.8. Deregistering a Handset ---------------------------43
KX-TGF350N/KX-TGF352N/KX-TGF353N/KX-TG572SK/KX-TGF380M/KX-TGF382M/KX-TGF383M/KX-TGFA30N/KX-TGFA30M
PAGE
3
10.1.9. Check Handset Transmission -------------------- 44
10.1.10. Check Handset Reception ------------------------ 44
10.1.11. Check Caller ID ------------------------------------- 44
10.1.12. Check BT Communication ------------------------ 45
11 Disassembly and Assembly Instructions--------------- 47
11.1. Disassembly Instructions------------------------------- 47
11.1.1. Base Unit ---------------------------------------------- 47
11.1.2. Handset ------------------------------------------------ 52
11.1.3. Charger Unit ------------------------------------------ 53
11.1.4. How to Replace the Base unit LCD------------- 54
11.2. 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
12.2.1. Connections (Base Unit) -------------------------- 57
12.2.2. Connections (Handset) ---------------------------- 58
12.2.3. How to install Batch file into P.C. ---------------- 59
12.2.4. Commands-------------------------------------------- 60
12.3. Adjustment Standard (Base Unit) -------------------- 61
12.3.1. Bottom View ------------------------------------------ 61
12.4. Adjustment Standard (Handset) ---------------------- 62
12.4.1. Component View ------------------------------------ 62
12.5. Things to Do after Replacing X'tal ------------------- 63
12.5.1. How to download the data ------------------------ 63
12.6. Frequency Table------------------------------------------ 68
12.7. Bluetooth Frequency Table ---------------------------- 69
13 Miscellaneous---------------------------------------------------- 70
13.1. How to Replace the LLP (Leadless Leadframe
Package) IC ----------------------------------------------- 70
13.1.1. Preparation-------------------------------------------- 70
13.1.2. Caution------------------------------------------------- 70
13.1.3. How to Remove the IC ----------------------------- 70
13.1.4. How to Install the IC -------------------------------- 71
13.2. How to Replace the Flat Package IC --------------- 72
13.2.1. Preparation-------------------------------------------- 72
13.2.2. How to Remove the IC ----------------------------- 72
13.2.3. How to Install the IC -------------------------------- 73
13.2.4. How to Remove a Solder Bridge ---------------- 73
13.3. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 74
13.3.1. Base Unit ---------------------------------------------- 74
13.3.2. Handset ------------------------------------------------ 74
14 Schematic Diagram -------------------------------------------- 75
14.1. For Schematic Diagram -------------------------------- 75
14.1.1. Base Unit (Schematic Diagram (Base
Unit_Main)) ------------------------------------------- 75
14.1.2. Handset
(Handset_Main))------------------------------------- 75
14.2. Schematic Diagram (Base Unit_Main)-------------- 76
14.2.1. KX-TGF350 ------------------------------------------- 76
14.2.2. KX-TGF380 ------------------------------------------- 78
14.3. Schematic Diagram (BT module) (for KX-
TGF380 only) --------------------------------------------- 80
14.4. Schematic Diagram (Base Unit_Operation) ------- 82
14.5. Schematic Diagram (Base Unit_Hook Switch) --- 82
14.6. Schematic Diagram (Base Unit_LCD) -------------- 84
14.7. Schematic Diagram (Base Unit_LED) -------------- 84
14.8. Schematic Diagram (Handset_Main) --------------- 86
(Schematic Diagram
PAGE