Read Panasonic KX-TG7175RUS / KX-TGA717RUS Service Manual online
3
KX-TG7175RUS/KX-TGA717RUS
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precaution ------------------------------------------------ 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
2.2. About Lead Free Solder (Pbf: Pb free)--------------- 4
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7
4 Technical Descriptions ----------------------------------------- 7
4.1. Block Diagram (Base Unit) ------------------------------ 7
4.2. Circuit Operation (Base Unit)--------------------------- 8
4.3. Block Diagram (Handset)-------------------------------11
4.4. Circuit Operation (Handset)----------------------------12
4.5. Signal Route -----------------------------------------------13
4.2. Circuit Operation (Base Unit)--------------------------- 8
4.3. Block Diagram (Handset)-------------------------------11
4.4. Circuit Operation (Handset)----------------------------12
4.5. Signal Route -----------------------------------------------13
5 Location of Controls and Components ------------------14
5.1. Controls -----------------------------------------------------14
6 Installation Instructions ---------------------------------------14
6.1. Connections------------------------------------------------14
6.2. Battery-------------------------------------------------------15
6.3. Expanding Your Phone System-----------------------16
6.2. Battery-------------------------------------------------------15
6.3. Expanding Your Phone System-----------------------16
7 Operation Instructions-----------------------------------------17
7.1. Base Unit Settings----------------------------------------17
7.2. Handset Settings -----------------------------------------18
7.3. Registering a Handset to a Base Unit---------------19
7.4. Copying Phonebook Entries ---------------------------20
7.5. For Service Hint-------------------------------------------20
7.2. Handset Settings -----------------------------------------18
7.3. Registering a Handset to a Base Unit---------------19
7.4. Copying Phonebook Entries ---------------------------20
7.5. For Service Hint-------------------------------------------20
8 Service Mode -----------------------------------------------------21
8.1. Engineering Mode ----------------------------------------21
8.2. EEPROM LAYOUT (Base Unit)-----------------------25
8.3. EEPROM LAYOUT (Handset)-------------------------30
8.4. Copying Phonebook Items When Repairing-------33
8.5. How to Clear User Setting------------------------------35
8.2. EEPROM LAYOUT (Base Unit)-----------------------25
8.3. EEPROM LAYOUT (Handset)-------------------------30
8.4. Copying Phonebook Items When Repairing-------33
8.5. How to Clear User Setting------------------------------35
9 Troubleshooting Guide ----------------------------------------36
9.1. Troubleshooting Flowchart -----------------------------36
9.2. Troubleshooting by Symptom (Base Unit) ---------45
9.3. Troubleshooting by Symptom (Handset) -----------48
9.4. How to Replace the Flat Package IC ----------------51
9.2. Troubleshooting by Symptom (Base Unit) ---------45
9.3. Troubleshooting by Symptom (Handset) -----------48
9.4. How to Replace the Flat Package IC ----------------51
10 Disassembly and Assembly Instructions ---------------53
10.1. Disassembly Instructions -------------------------------53
10.2. How to Replace the Handset LCD -------------------55
10.2. How to Replace the Handset LCD -------------------55
11 Measurements and Adjustments---------------------------56
11.1. The Setting Method of JIG (Base Unit) -------------56
11.2. Adjustment Standard (Base Unit)---------------------58
11.3. The Setting Method of JIG (Handset) ---------------59
11.4. Adjustment Standard (Handset) ----------------------61
11.5. Things to Do after Replacing IC ----------------------62
11.6. RF Specification-------------------------------------------63
11.7. How to Check the Handset Speaker or
11.2. Adjustment Standard (Base Unit)---------------------58
11.3. The Setting Method of JIG (Handset) ---------------59
11.4. Adjustment Standard (Handset) ----------------------61
11.5. Things to Do after Replacing IC ----------------------62
11.6. RF Specification-------------------------------------------63
11.7. How to Check the Handset Speaker or
Receiver ----------------------------------------------------64
11.8. Frequency Table (MHz) ---------------------------------64
12 Schematic Diagram ---------------------------------------------65
12.1. For Schematic Diagram---------------------------------65
12.2. Schematic Diagram (Base Unit) ----------------------66
12.3. Schematic Diagram (Handset) ------------------------68
12.2. Schematic Diagram (Base Unit) ----------------------66
12.3. Schematic Diagram (Handset) ------------------------68
13 Printed Circuit Board-------------------------------------------71
13.1. Circuit Board (Base Unit) -------------------------------71
13.2. Circuit Board (Handset) ---------------------------------73
13.2. Circuit Board (Handset) ---------------------------------73
14 Appendix Information of Schematic Diagram ---------75
14.1. CPU Data (Base Unit) -----------------------------------75
14.2. CPU Data (Handset)-------------------------------------77
14.2. CPU Data (Handset)-------------------------------------77
14.3. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 79
15 Exploded View and Replacement Parts List ----------- 80
15.1. Cabinet and Electric Parts (Base Unit) ------------- 80
15.2. Cabinet and Electric Parts (Handset) --------------- 81
15.3. Accessories and Packing Materials ----------------- 82
15.4. Replacement Part List ---------------------------------- 83
15.2. Cabinet and Electric Parts (Handset) --------------- 81
15.3. Accessories and Packing Materials ----------------- 82
15.4. Replacement Part List ---------------------------------- 83
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