KX-TG4323B, KX-TG4324B, KX-TGA430B

$7.95

Service manual used with:

KX-TG4323B, KX-TG4324B, KX-TGA430B

 

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TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 4
1.1. For Service Technicians --------------------------------- 4
2 Warning-------------------------------------------------------------- 4
2.1. Battery Caution--------------------------------------------- 4
2.2. About Lead Free Solder (PbF: Pb free)-------------- 4
2.3. Discarding of P. C. Board-------------------------------- 5
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7
4.1. FHSS Description ----------------------------------------- 7
4.2. Explanation of Link Data Communication ----------10
4.3. Block Diagram (Base Unit_Main)---------------------11
4.4. Block Diagram (Base Unit_RF Part) -----------------12
4.5. Circuit Operation (Base Unit)--------------------------13
4.6. Block Diagram (Handset)-------------------------------22
4.7. Block Diagram (Handset_RF Part)-------------------23
4.8. Circuit Operation (Handset)----------------------------24
4.9. Circuit Operation (RF Part)-----------------------------28
4.10. Circuit Operation (Charger Unit) ----------------------31
4.11. Signal Route -----------------------------------------------32
5 Location of Controls and Components ------------------34
5.1. Controls -----------------------------------------------------34
5.2. Display ------------------------------------------------------34
6 Installation Instructions ---------------------------------------35
6.1. Connections------------------------------------------------35
6.2. Battery Installation and replacement ----------------36
6.3. Battery Charge --------------------------------------------36
7 Operating Instructions-----------------------------------------38
7.1. Programmable Settings ---------------------------------38
7.2. Error Messages -------------------------------------------41
7.3. Troubleshooting-------------------------------------------42
8 Test Mode ----------------------------------------------------------46
8.1. Adjustment and Test Mode Flow Chart -------------46
9 Service Mode -----------------------------------------------------56
9.1. How to Clear User Setting------------------------------56
10 Troubleshooting Guide ----------------------------------------58
10.1. Troubleshooting Flowchart -----------------------------58
10.2. How to Replace the Flat Package IC----------------72
10.3. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------74
11 Disassembly and Assembly Instructions ---------------77
11.1. Disassembly Instructions -------------------------------77
11.2. How to Replace the Handset LCD -------------------81
12 Measurements and Adjustments---------------------------82
12.1. Things to Do after Replacing IC ----------------------82
12.2. Base Unit Reference Drawing-------------------------83
12.3. Handset Reference Drawing---------------------------84
12.4. Frequency Table ------------------------------------------85
13 Schematic Diagram---------------------------------------------86
13.1. For Schematic Diagram---------------------------------86
13.2. Schematic Diagram (Base Unit_Main) --------------88
13.3. Schematic Diagram (Base Unit_RF Part) ----------90
13.4. Schematic Diagram (Base Unit_Operation) -------92
13.5. Schematic Diagram (Handset_Main) ----------------94
13.6. Schematic Diagram (Handset_RF Part) ------------96
13.7. Schematic Diagram (Charger Unit) ------------------98
14 Printed Circuit Board-------------------------------------------99
14.1. Circuit Board (Base Unit_Main)-----------------------99
14.2. Circuit Board (Base Unit_RF Part) ----------------- 101
14.3. Circuit Board (Base Unit_Operation)-------------- 103
14.4. Circuit Board (Handset_Main) ---------------------- 105
14.5. Circuit Board (Handset_RF Part) ------------------ 107
14.6. Circuit Board (Charger Unit)------------------------- 108
15 Appendix Information of Schematic Diagram------- 109
15.1. CPU Data (Base Unit) -------------------------------- 109
15.2. CPU Data (Handset) -----------------------------------110
15.3. Explanation of IC Terminals (RF Part) -------------111
15.4. Terminal Guide of the ICs, Transistors and
Diodes -----------------------------------------------------113
16 Exploded View and Replacement Parts List ----------114
16.1. Cabinet and Electrical Parts (Base Unit) ----------114
16.2. Cabinet and Electrical Parts (Handset)------------115
16.3. Cabinet and Electrical Parts (Charger Unit) ------116
16.4. Accessories and Packing Materials ----------------117
16.5. Replacement Parts List------------------------------- 120



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