KX-TG5511CAB, KX-TG5511CAJ, KX-TGA550RUB, KX-TGA550RUJ, KX-TGA551RUB, KX-TGA551RUJ (serv.man2) - Panasonic Telephone Service Manual (repair manual). Page 3

Read Panasonic KX-TG5511CAB / KX-TG5511CAJ / KX-TGA550RUB / KX-TGA550RUJ / KX-TGA551RUB / KX-TGA551RUJ (serv.man2) Service Manual online

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KX-TG5511CA/KX-TGA550RU/KX-TGA551RU
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)--------------- 5
2.3. Discarding of P.C. Board--------------------------------- 6
3 Specifications ----------------------------------------------------- 7
4 Technical Descriptions 
----------------------------------------- 8
4.1. Block Diagram (Base Unit) ------------------------------ 8
4.2. Circuit Operation (Base Unit)--------------------------- 9
4.3. Block Diagram (Handset)-------------------------------12
4.4. Circuit Operation (Handset)----------------------------13
4.5. Circuit Operation (Charger Unit) ----------------------14
4.6. Signal Route -----------------------------------------------15
5 Location of Controls and Components ------------------16
6 Installation Instructions 
---------------------------------------16
7 Operating Instructions
-----------------------------------------16
7.1. For Service Hint-------------------------------------------16
8 Service Mode -----------------------------------------------------17
8.1. Engineering Mode ----------------------------------------17
8.2. Copying Phonebook Items when Repairing -------21
8.3. How to Clear User Setting------------------------------23
9 Troubleshooting Guide ----------------------------------------24
9.1. Troubleshooting Flowchart -----------------------------24
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------36
9.3. Troubleshooting by Symptom (Handset) -----------40
10 Disassembly and Assembly Instructions ---------------44
10.1. Disassembly Instructions -------------------------------44
10.2. How to Replace the Handset LCD -------------------47
11 Measurements and Adjustments---------------------------48
11.1. Equipment Required -------------------------------------48
11.2. The Setting Method of JIG (Base Unit) -------------48
11.3. Adjustment Standard (Base Unit)---------------------50
11.4. Adjustment Standard (Charger Unit)-----------------51
11.5. The Setting Method of JIG (Handset) ---------------52
11.6. Adjustment Standard (Handset) ----------------------54
11.7. Things to Do after Replacing IC or X'tal ------------55
11.8. RF Specification-------------------------------------------57
11.9. How to Check the Handset Speaker or
Receiver ----------------------------------------------------58
11.10. Frequency Table (MHz) ---------------------------------58
12 Miscellaneous ----------------------------------------------------59
12.1. How to Replace the Flat Package IC ----------------59
12.2. How to Replace the Shield Case ---------------------61
12.3. Terminal Guide of the ICs, Transistors, Diodes
and Electrolytic Capacitors-----------------------------63
13 Schematic Diagram ---------------------------------------------64
13.1. For Schematic Diagram---------------------------------64
13.2. Schematic Diagram (Base Unit) ----------------------66
13.3. Schematic Diagram (Base Unit_Operation) -------68
13.4. Schematic Diagram (Handset) ------------------------70
13.5. Schematic Diagram (Charger Unit) ------------------72
14 Printed Circuit Board-------------------------------------------73
14.1. Circuit Board (Base Unit_Main)-----------------------73
14.2. Circuit Board (Base Unit_Operation) ----------------75
14.3. Circuit Board (Handset) ---------------------------------77
14.4. Circuit Board (Charger Unit) ---------------------------79
15 Exploded View and Replacement Parts List ----------- 80
15.1. Cabinet and Electrical Parts (Base Unit) ----------- 80
15.2. Cabinet and Electrical Parts (Handset)------------- 81
15.3. Cabinet and Electrical Parts (Charger Unit) ------- 82
15.4. Accessories------------------------------------------------ 83
15.5. Replacement Part List ---------------------------------- 84
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