KX-NT366RU (serv.man2) — Panasonic PBX Service Manual (repair manual). Page 2

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2
KX-NT366RU/KX-NT366RU-B
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. For Service Technicians  ---------------------------------3
2 Warning --------------------------------------------------------------3
2.1. About Lead Free Solder (PbF: Pb free) --------------3
3 Specifications ------------------------------------------------------4
3.1. General Descriptions--------------------------------------4
4 Technical Descriptions------------------------------------------5
4.1. Block Diagram ----------------------------------------------5
4.2. Circuit Operations ------------------------------------------6
5 Location of Controls and Components------------------ 18
5.1. Name and Locations ------------------------------------ 18
6 Installation Instructions--------------------------------------- 19
6.1. Optional Accesory---------------------------------------- 19
7 Troubleshooting Guide---------------------------------------- 20
7.1. No Operation ---------------------------------------------- 20
7.2. LCD Does Not Operate--------------------------------- 23
7.3. Handset Does Not work -------------------------------- 24
7.4. Headset Does Not work -------------------------------- 25
7.5. Speaker-Phone Trouble -------------------------------- 26
7.6. Ethernet Does Not work -------------------------------- 27
7.7. LED Does Not Light ------------------------------------- 30
7.8. Bluetooth Does Not work------------------------------- 31
8 Disassmbly Instructions-------------------------------------- 33
9 Maintenance 
------------------------------------------------------ 34
9.1. Terminal Guide of the ICs Transistors and
Diodes------------------------------------------------------- 34
9.2. How To Replace a Flat Package IC ----------------- 35
9.3. memo-------------------------------------------------------- 36
10 Schematic Diagram--------------------------------------------- 37
10.1. Block Diagram -------------------------------------------- 37
10.2. Main No.1 -------------------------------------------------- 38
10.3. Main No.2 -------------------------------------------------- 42
10.4. Main No.3 -------------------------------------------------- 46
10.5. Main No.4 -------------------------------------------------- 48
10.6. Jack---------------------------------------------------------- 52
10.7. LCD ---------------------------------------------------------- 53
10.8. Waveform -------------------------------------------------- 54
11 Printed Circuit Board ------------------------------------------ 58
11.1. Main Board------------------------------------------------- 58
11.2. Jack Board ------------------------------------------------- 60
11.3. LCD Board ------------------------------------------------- 61
12 Appendix Information of Schematic Diagram --------- 62
13 Exploded View and Replacement Parts List 
----------- 63
13.1. IC Data------------------------------------------------------ 63
13.2. Cabinet and Electric Parts ----------------------------- 75
13.3. Accessories and Packing Materials ----------------- 76
13.4. Replacement Parts List --------------------------------- 77
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