Table Of Contents - Panasonic KX-TH1211B Service Manual

TABLE OF CONTENTS

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. Circuit Configuration
Phones ------------------------------------------------------- 7
4.2. US-DECT Description ------------------------------------ 8
4.3. BT Unit Description --------------------------------------10
4.4. EXPLANATION
COMMUNICATION (BT Unit)-------------------------- 11
4.5. Block Diagram (Base Unit_Main)---------------------12
4.6. Block Diagram (Base Unit_RF Part) -----------------13
4.7. Block Diagram (BT Unit_RF Part) --------------------14
4.8. Circuit Operation (Base Unit) --------------------------15
4.9. Circuit Operation (BT Unit) -----------------------------22
4.10. Block Diagram (Handset)-------------------------------26
4.11. Block Diagram (Handset_RF Part)-------------------27
4.12. Circuit Operation (Handset)----------------------------28
4.13. Circuit Operation (RF Part)-----------------------------32
4.14. Circuit Operation (Charger Unit) ----------------------33
4.15. Signal Route -----------------------------------------------34
5 Location of Controls and Components ------------------36
5.1. Controls -----------------------------------------------------36
5.2. Display/Indicators-----------------------------------------37
6 Installation Instructions ---------------------------------------38
6.1. Connections------------------------------------------------38
6.2. Battery-------------------------------------------------------39
7 Operating Instructions-----------------------------------------41
7.1. Programmable Settings ---------------------------------41
7.2. Error Messages -------------------------------------------45
7.3. Troubleshooting -------------------------------------------46
8 Test Mode ----------------------------------------------------------51
8.1. Adjustment and Test Mode Flow Chart -------------51
9 Service Mode -----------------------------------------------------57
9.1. How to Clear User Setting------------------------------57
10 Troubleshooting Guide ----------------------------------------58
10.1. Troubleshooting Flowchart -----------------------------58
10.2. Failure Analysis of DSP, FLASH ROM (BT
Unit) ----------------------------------------------------------75
10.3. How to Replace the Flat Package IC ----------------83
10.4. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------85
11 Disassembly and Assembly Instructions ---------------88
11.1. Disassembly Instructions -------------------------------88
11.2. How to Replace the Handset LCD -------------------91
12 Measurements and Adjustments---------------------------93
12.1. Things to Do after Replacing IC or X'tal ------------93
12.2. Check and Adjust Frequency -------------------------95
12.3. Base Unit Reference Drawing-------------------------97
12.4. Handset Reference Drawing---------------------------98
12.5. Frequency Table ------------------------------------------99
13 Schematic Diagram ------------------------------------------- 101
13.1. For Schematic Diagram------------------------------- 101
13.2. Schematic Diagram (Base Unit_DECT) ---------- 102
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of TH12xx Series
OF LINK DATA
13.3. Schematic Diagram (Base Unit_RF Part)-------- 104
13.4. Schematic Diagram (Base Unit_BT Unit) -------- 106
13.5. Schematic Diagram (Base Unit_BT Unit_RF
Part) ------------------------------------------------------- 108
13.6. Schematic Diagram (Handset_Main) --------------110
13.7. Schematic Diagram (Handset_RF Part)-----------112
13.8. Schematic Diagram (Charger Unit) ----------------113
14 Printed Circuit Board -----------------------------------------115
14.1. Circuit Board (Base Unit_DECT)--------------------115
14.2. Circuit Board (Base Unit_RF Part)------------------117
14.3. Circuit Board (Base Unit_BT Unit) ------------------119
14.4. Circuit Board (Handset_Main) ---------------------- 121
14.5. Circuit Board (Handset_RF Part) ------------------ 123
14.6. Circuit Board (Charger Unit)------------------------- 124
15 Appendix Information of Schematic Diagram ------- 125
15.1. CPU Data (Base Unit_DECT)----------------------- 125
15.2. CPU Data (Base Unit_BT Unit)--------------------- 126
15.3. CPU Data (Handset) ---------------------------------- 128
15.4. Explanation of IC Terminals (DECT_RF Part) -- 129
15.5. DB56 (DSP) Package Description ----------------- 130
15.6. Terminal Guide of the ICs, Transistors and
Diodes ---------------------------------------------------- 131
16 Exploded View and Replacement Parts List --------- 132
16.1. Cabinet and Electrical Parts (Base Unit) --------- 132
16.2. Cabinet and Electrical Parts (Handset)----------- 133
16.3. Cabinet and Electrical Parts (Charger Unit) ----- 134
16.4. Accessories and Packing Materials --------------- 135
16.5. Replacement Parts List------------------------------- 138
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KX-TH1211B/KX-TH1212B/KX-TGA930T
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