KX-TG3033S, KX-TG3034B, KX-TGA300S, KX-TGA300B

Service manual used with:

KX-TG3033S, KX-TG3034B, KX-TGA300S, KX-TGA300B

Your service manual will be available to download (pdf format) following your payment!

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
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. Displays -----------------------------------------------------34
6 Installation Instructions ---------------------------------------35
6.1. Setting Up the Base Unit -------------------------------35
6.2. Setting Up the Handset ---------------------------------35
6.3. Battery Installation/Replacement ---------------------35
6.4. Battery Charge --------------------------------------------36
7 Operation Instructions-----------------------------------------37
7.1. Programmable Settings ---------------------------------37
7.2. Copying Handset Phonebook Items -----------------39
7.3. Error Messages -------------------------------------------40
7.4. Troubleshooting-------------------------------------------41
8 Test Mode ----------------------------------------------------------44
8.1. Adjustment and Test Mode Flow Chart -------------44
9 Service Mode -----------------------------------------------------52
9.1. How to Clear User Setting------------------------------52
9.2. Copying Phonebook Items When Repairing-------54
10 Troubleshooting Guide ----------------------------------------56
10.1. Troubleshooting Flowchart -----------------------------56
10.2. How to Replace the Flat Package IC----------------69
10.3. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------71
11 Disassembly and Assembly Instructions ---------------73
11.1. Disassembly Instructions -------------------------------73
11.2. How to Replace the Handset LCD -------------------77
11.3. Antenna soldering work ---------------------------------78
12 Measurements and Adjustments---------------------------79
12.1. Things to Do after Replacing IC ----------------------79
12.2. Base Unit Reference Drawing-------------------------80
12.3. Handset Reference Drawing---------------------------81
12.4. Frequency Table ------------------------------------------82
13 Schematic Diagram---------------------------------------------83
13.1. For Schematic Diagram---------------------------------83
13.2. Schematic Diagram (Base Unit_Main) --------------84
13.3. Schematic Diagram (Base Unit_RF Part) ----------86
13.4. Schematic Diagram (Base Unit_Operation) -------87
13.5. Schematic Diagram (Handset_Main) ----------------88
13.6. Schematic Diagram (Handset_RF Part) ------------90
13.7. Schematic Diagram (Charger Unit) ------------------91
14 Printed Circuit Board ------------------------------------------ 93
14.1. Circuit Board (Base Unit_Main) ---------------------- 93
14.2. Circuit Board (Base Unit_RF Part)------------------- 95
14.3. Circuit Board (Base Unit_Antenna)------------------ 96
14.4. Circuit Board (Base Unit_Operation)---------------- 97
14.5. Circuit Board (Handset_Main) ------------------------ 99
14.6. Circuit Board (Handset_RF Part) ------------------ 101
14.7. Circuit Board (Charger Unit)------------------------- 102
15 Appendix Information of Schematic Diagram------- 103
15.1. CPU Data (Base Unit) -------------------------------- 103
15.2. CPU Data (Handset) ---------------------------------- 104
15.3. Explanation of IC Terminals (RF Part) ------------ 105
15.4. Terminal Guide of the ICs, Transistors and
Diodes ---------------------------------------------------- 106
16 Exploded View and Replacement Parts List --------- 107
16.1. Cabinet and Electrical Parts (Base Unit) --------- 107
16.2. Cabinet and Electrical Parts (Handset)----------- 108
16.3. Cabinet and Electrical Parts (Charger Unit) ----- 109
16.4. Accessories and Packing Materials ----------------110
16.5. Replacement Parts List--------------------------------113