KX-TG1711RUB, KX-TG1711RUJ, KX-TG1711RUW, KX-TGA171RUB, KX-TGA171RUJ, KX-TGA171RUW - Panasonic Telephone Service Manual (repair manual). Page 3

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KX-TG1711RUB/KX-TG1711RUJ/KX-TG1711RUW/KX-TGA171RUB/KX-TGA171RUJ/KX-TGA171RUW
TABLE OF CONTENTS
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. 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. Signal Route -----------------------------------------------12
5 Location of Controls and Components ------------------13
6 Installation Instructions 
---------------------------------------13
7 Operating Instructions
-----------------------------------------13
7.1. For Service Hint-------------------------------------------13
8 Service Mode -----------------------------------------------------14
8.1. Engineering Mode ----------------------------------------14
9 Troubleshooting Guide ----------------------------------------18
9.1. Troubleshooting Flowchart -----------------------------18
9.2. Troubleshooting by Symptom (Base Unit) ---------24
9.3. Troubleshooting by Symptom (Handset) -----------27
10 Disassembly and Assembly Instructions ---------------30
10.1. Disassembly Instructions -------------------------------30
10.2. How to Replace the Handset LCD -------------------32
11 Measurements and Adjustments---------------------------33
11.1. The Setting Method of JIG (Base Unit) -------------33
11.2. Adjustment Standard (Base Unit)---------------------35
11.3. The Setting Method of JIG (Handset) ---------------36
11.4. Adjustment Standard (Handset) ----------------------38
11.5. Things to Do after Replacing IC ----------------------39
11.6. RF Specification-------------------------------------------40
11.7. How to Check the Handset Speaker or
Receiver ----------------------------------------------------41
11.8. Frequency Table (MHz) ---------------------------------41
12 Miscellaneous ----------------------------------------------------42
12.1. How to Replace the Flat Package IC ----------------42
12.2. How to Replace the Shield Case ---------------------44
12.3. Terminal Guide of the ICs, Transistors, Diodes
and Electrolytic Capacitors-----------------------------46
13 Schematic Diagram ---------------------------------------------47
13.1. For Schematic Diagram---------------------------------47
13.2. Schematic Diagram (Base Unit) ----------------------48
13.3. Schematic Diagram (Handset) ------------------------49
14 Printed Circuit Board-------------------------------------------51
14.1. Circuit Board (Base Unit) -------------------------------51
14.2. Circuit Board (Handset) ---------------------------------53
15 Exploded View and Replacement Parts List -----------55
15.1. Cabinet and Electrical Parts (Base Unit) -----------55
15.2. Cabinet and Electrical Parts (Handset) -------------56
15.3. Accessories ------------------------------------------------57
15.4. Replacement Part List-----------------------------------58
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