Read Panasonic KX-NS0290CE Service Manual online
2
KX-NS0290CE
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. For Service Technicians ---------------------------------3
2 Warning --------------------------------------------------------------4
2.1. About Lead Free Solder (PbF: Pb free) --------------4
2.1.1. Suggested PbF Solder -------------------------------5
2.2. Discarding of P. C. Board --------------------------------5
3 Specifications ------------------------------------------------------6
4 Technical Descriptions------------------------------------------7
4 Technical Descriptions------------------------------------------7
4.1. Block Diagram ----------------------------------------------7
4.2. Circuit Operation (PRIBlock) ----------------------------8
4.2. Circuit Operation (PRIBlock) ----------------------------8
4.2.1. ISDN Primary Rate Interface Function-----------8
4.2.2. Local Highway Interface Function-----------------8
4.2.2. Local Highway Interface Function-----------------8
4.3. Circuit Operation (SLC2Block)--------------------------9
4.3.1. Description of Functions and Circuits
(SLC) -----------------------------------------------------9
4.4. Outline of Reset System ------------------------------- 14
4.5. Power Supply --------------------------------------------- 14
4.6. Local Highway Interface-------------------------------- 15
4.5. Power Supply --------------------------------------------- 14
4.6. Local Highway Interface-------------------------------- 15
5 Location of Controls and Components------------------ 16
5.1. Names and Locations----------------------------------- 16
6 Installation Instructions--------------------------------------- 17
6.1. The Mother Board and Expansion Cards ---------- 17
6.1.1. SLC2/PRI30 Card ---------------------------------- 17
7 Troubleshooting Guide---------------------------------------- 19
7.1. PRI30-------------------------------------------------------- 19
8 Miscellaneous ---------------------------------------------------- 25
8.1. How To Replace a Flat Package IC ----------------- 25
8.1.1. Preparation-------------------------------------------- 25
8.1.2. Removal Procedure--------------------------------- 25
8.1.3. Procedure --------------------------------------------- 25
8.1.4. Removing Solder From Between Pins --------- 25
8.1.2. Removal Procedure--------------------------------- 25
8.1.3. Procedure --------------------------------------------- 25
8.1.4. Removing Solder From Between Pins --------- 25
8.2. Terminal Guide of the ICs Transistors and
Diodes------------------------------------------------------- 26
8.3. Memo-------------------------------------------------------- 27
9 Schematic Diagram--------------------------------------------- 28
9.1. Main Board------------------------------------------------- 28
9.1.1. No.1----------------------------------------------------- 28
9.1.2. No.2----------------------------------------------------- 30
9.1.2. No.2----------------------------------------------------- 30
9.2. Waveform -------------------------------------------------- 34
10 Printed Circuit Board ------------------------------------------ 36
10.1. Main Board------------------------------------------------- 36
10.1.1. Component View ------------------------------------ 36
10.1.2. Bottom View ------------------------------------------ 37
10.1.2. Bottom View ------------------------------------------ 37
11 Appendix Information of Schematic Diagram --------- 38
12 Exploded View and Replacement Parts List ----------- 39
12.1. IC Data------------------------------------------------------ 39
12.1.1. IC -------------------------------------------------------- 39
12.2. Cabinet and Electrical Parts --------------------------- 41
12.3. Accessories and Packing Material------------------- 42
12.4. Replacement Parts List --------------------------------- 43
12.3. Accessories and Packing Material------------------- 42
12.4. Replacement Parts List --------------------------------- 43
12.4.1. Cabinet and Electrical Parts --------------------- 43
12.4.2. Accessories and Packing Materials------------- 43
12.4.3. Main Board Parts ------------------------------------ 43
12.4.2. Accessories and Packing Materials------------- 43
12.4.3. Main Board Parts ------------------------------------ 43
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