Panasonic KX-TG8107UA, Service Manual

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KX-TG8107UA/KX-TG8108UA/KX-TGA810UA
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. Block Diagram (Base Unit) ------------------------------ 7
4.2. Circuit Operation (Base Unit) --------------------------- 8
4.3. Block Diagram (Handset)-------------------------------10
4.4. Circuit Operation (Handset)----------------------------11
4.5. Circuit Operation (Charger Unit) ----------------------11
4.6. Signal Route -----------------------------------------------12
5 Location of Controls and Components ------------------ 13
5.1. Controls -----------------------------------------------------13
6 Installation Instructions --------------------------------------- 14
6.1. Connections------------------------------------------------14
6.2. Battery-------------------------------------------------------14
7 Operation Instructions ----------------------------------------- 16
7.1. Base Unit Settings----------------------------------------16
7.2. Handset Settings -----------------------------------------17
7.3. Registering a Handset to a Base Unit---------------18
7.4. For Service Hint-------------------------------------------19
8 Service Mode ----------------------------------------------------- 20
8.1. Engineering Mode ----------------------------------------20
8.2. EEPROM Layout (Base Unit)--------------------------25
8.3. EEPROM Layout (Handset) ---------------------------30
9 Troubleshooting Guide ---------------------------------------- 33
9.1. Troubleshooting Flowchart -----------------------------33
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------41
9.3. Troubleshooting by Symptom (Handset) -----------45
9.4. How to Replace the Flat Package IC----------------48
10 Disassembly and Assembly Instructions --------------- 50
10.1. Disassembly Instructions -------------------------------50
10.2. Assembly Instructions -----------------------------------53
11 Measurements and Adjustments --------------------------- 54
11.1. The Setting Method of JIG (Base Unit) -------------54
11.2. Adjustment Standard (Base Unit)---------------------56
11.3. Adjustment Standard (Charger Unit)-----------------57
11.4. The Setting Method of JIG (Handset) ---------------58
11.5. Adjustment Standard (Handset) ----------------------60
11.6. Things to Do after Replacing IC ----------------------61
11.7. RF Specification-------------------------------------------62
11.8. How to Check the Handset Speaker or
Receiver ----------------------------------------------------63
11.9. Frequency Table (MHz) ---------------------------------63
12 Schematic Diagram --------------------------------------------- 65
12.1. For Schematic Diagram---------------------------------65
12.2. Schematic Diagram (Base Unit) ----------------------66
12.3. Schematic Diagram (Handset) ------------------------68
12.4. Schematic Diagram (Charger Unit) ------------------70
13 Printed Circuit Board ------------------------------------------- 71
13.1. Circuit Board (Base Unit) -------------------------------71
13.2. Circuit Board (Handset) ---------------------------------73
13.3. Circuit Board (Charger Unit) ---------------------------75
14 Appendix Information of Schematic Diagram --------- 76
14.1. CPU Data (Base Unit) -----------------------------------76
14.2. CPU Data (Handset) ------------------------------------ 78
14.3. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 80
15 Exploded View and Replacement Parts List ----------- 81
15.1. Cabinet and Electrical Parts (Base Unit) ----------- 81
15.2. Cabinet and Electrical Parts (Handset)------------- 82
15.3. Cabinet and Electrical Parts (Charger Unit) ------- 83
15.4. Accessories and Packing Materials ----------------- 84
15.5. Replacement Parts List--------------------------------- 87