KX-NCP1280XJ - Panasonic PBX Service Manual (repair manual). Page 2

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KX-NCP1280XJ
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
2.1.1. Suggested PbF Solder -------------------------------3
2.2. Discarding of P. C. Board --------------------------------4
3 Specifications ------------------------------------------------------5
4 Technical Descriptions
------------------------------------------6
4.1. Block Diagram ----------------------------------------------6
4.2. Hardware Functional Specification --------------------7
4.2.1. ISDN Primary Rate Interface Function-----------7
4.2.2. Local Highway Interface Function-----------------8
4.2.3. EC Bus Interface --------------------------------------9
4.2.4. Outline of Reset System--------------------------- 10
4.2.5. Power Supply----------------------------------------- 11
5 Location of Controls and Components------------------ 12
5.1. Names and Locations----------------------------------- 12
6 Installation Instructions--------------------------------------- 13
6.1. Information about the Physical Trunk Cards ------ 13
6.1.1. BRI2 Card --------------------------------------------- 13
7 Troubleshooting Guide---------------------------------------- 15
7.1. BRI2 --------------------------------------------------------- 15
8 Miscellaneous ---------------------------------------------------- 21
8.1. How To Replace a Flat Package IC ----------------- 21
8.1.1. Preparation-------------------------------------------- 21
8.1.2. Removal Procedure--------------------------------- 21
8.1.3. Procedure --------------------------------------------- 21
8.1.4. Removing Solder From Between Pins --------- 21
8.2. Terminal Guide of the ICs Transistors and
Diodes------------------------------------------------------- 22
8.3. Memo-------------------------------------------------------- 23
9 Schematic Diagram--------------------------------------------- 24
9.1. No.1---------------------------------------------------------- 24
9.2. No.2---------------------------------------------------------- 26
9.3. No.3---------------------------------------------------------- 28
9.4. No.4---------------------------------------------------------- 30
10 Printed Circuit Board ------------------------------------------ 31
10.1. Component View ----------------------------------------- 31
10.2. Bottom View ----------------------------------------------- 32
11 Appendix Information of Schematic Diagram --------- 33
12 Exploded View and Replacement Parts List ----------- 34
12.1. IC Data------------------------------------------------------ 34
12.1.1. IC2 ------------------------------------------------------ 34
12.2. Mechanical Specification ------------------------------- 35
12.2.1. Table of Connectors -------------------------------- 35
12.3. Cabinet and Electrical Parts Location--------------- 36
12.4. Accessories and Packing Material------------------- 37
12.5. Replacement Parts List --------------------------------- 38
12.5.1. Cabinet and Electrical Parts Location ---------- 38
12.5.2. Accessories and Packing Materials------------- 38
12.5.3. Main Board Parts ------------------------------------ 38
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