KX-NCP1000RU - Panasonic PBX Service Manual (repair manual). Page 2

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1 Safety Precautions -----------------------------------------------4

1.1. For Service Technicians  ---------------------------------4
1.2. Insulation Resistance Test -------------------------------4

2 Warning --------------------------------------------------------------4

2.1. Battery Caution ---------------------------------------------4
2.2. Caution--------------------------------------------------------4
2.3. About Lead Free Solder (PbF: Pb free) --------------5

2.3.1. Suggested PbF Solder -------------------------------5

2.4. Discarding of P. C. Board --------------------------------5

3 Specifications ------------------------------------------------------6

3.1. General Description ---------------------------------------6
3.2. Characteristics ----------------------------------------------6

4 Technical Descriptions------------------------------------------7

4.1. IPCMPR Block Diagram ----------------------------------7
4.2. Power Supply Block Diagram ------------------------- 11
4.3. IPCMPR Card Circuit Operation --------------------- 12

4.3.1. IPCMPR Card ---------------------------------------- 12
4.3.2. Description of Each Part--------------------------- 13
4.3.3. Circuit Description----------------------------------- 14

4.4. Back Board Circuit Operation ------------------------- 17
4.5. Outline ------------------------------------------------------ 18

4.5.1. General Description--------------------------------- 18
4.5.2. IPCMPR Card ---------------------------------------- 18
4.5.3. Back Board-------------------------------------------- 18
4.5.4. Power Supply Unit ---------------------------------- 18
4.5.5. System Control--------------------------------------- 19
4.5.6. Back Board Signal Connection Diagram ------ 22

4.6. Power Supply Unit Circuit Operation---------------- 25

4.6.1. AC Section and Rectifier Circuit ----------------- 25
4.6.2. Main Converter--------------------------------------- 26
4.6.3. Output Voltage Section ---------------------------- 27
4.6.4. Alarm Signal Transmission Section------------- 29
4.6.5. Protective Circuit Operation Section------------ 30

5 Location of Controls and Components------------------ 31

5.1. Name and Locations ------------------------------------ 31

6 Installation Instructions--------------------------------------- 32

6.1. System Components ------------------------------------ 32

6.1.1. System Connection Diagram --------------------- 34

7 Operating Instructions ---------------------------------------- 36

7.1. Type and Maximum Number of Slots --------------- 36
7.2. Maximum Optional Service Cards ------------------- 37
7.3. Maximum Trunks and Extensions-------------------- 38
7.4. Maximum Terminal Equipment ----------------------- 38
7.5. Power Supply Unit Capacity--------------------------- 39

8 Test Mode---------------------------------------------------------- 40

8.1. Utility--------------------------------------------------------- 40

8.1.1. Utility-Diagnosis-------------------------------------- 40

9 Troubleshooting Guide---------------------------------------- 52

9.1. IPCMPR Card--------------------------------------------- 52

9.1.1. Startup-------------------------------------------------- 52
9.1.2. Phone Call -------------------------------------------- 61
9.1.3. Paging-------------------------------------------------- 63
9.1.4. Using MOH-------------------------------------------- 65
9.1.5. LAN ----------------------------------------------------- 67
9.1.6. ESVM--------------------------------------------------- 68
9.1.7. RS-232C----------------------------------------------- 70
9.1.8. SD card IF--------------------------------------------- 71
9.1.9. Other---------------------------------------------------- 72

9.2. Power Supply --------------------------------------------- 73

9.2.1. Total output voltage not output 1 (Main

converter output voltage error [C101/
C201])-------------------------------------------------- 73

9.2.2. Total output voltage not output 2 (Main

converter output voltage normal [C101/
C201])-------------------------------------------------- 75

9.2.3. 15VPT/41V output voltage not output (15V

only output) ------------------------------------------- 76

9.2.4. 15VPT output voltage only not output --------- 77
9.2.5. 41V output voltage only not output ------------- 78

10 Service Fixture & Tools--------------------------------------- 79

10.1. Extension Boards for Servicing ---------------------- 79

11 Disassembly and Assembly Instructions -------------- 80

11.1. IPCMPR Card -------------------------------------------- 80
11.2. Back Board------------------------------------------------ 81
11.3. Power Supply Board ------------------------------------ 83

12 Miscellaneous --------------------------------------------------- 84

12.1. How To Replace a Flat Package IC----------------- 84

12.1.1. Preparation ------------------------------------------- 84
12.1.2. Removal Procedure -------------------------------- 84
12.1.3. Procedure--------------------------------------------- 84
12.1.4. Removing Solder From Between Pins--------- 84

12.2. Terminal Guide of the ICs Transistors and

Diodes ------------------------------------------------------ 85

12.2.1. IPCMPR Card---------------------------------------- 85
12.2.2. LED Board -------------------------------------------- 85
12.2.3. Power Supply Board ------------------------------- 86

12.3. Memo ------------------------------------------------------- 87

13 Schematic Diagram -------------------------------------------- 88

13.1. Block Diagram -------------------------------------------- 88
13.2. IPCMPR Card No.1 ------------------------------------- 90
13.3. IPCMPR Card No.2 ------------------------------------- 92
13.4. IPCMPR Card No.3 ------------------------------------- 94
13.5. IPCMPR Card No.4 ------------------------------------- 96
13.6. IPCMPR Card No.5 ------------------------------------- 98
13.7. IPCMPR Card No.6 ------------------------------------100
13.8. IPCMPR Card No.7 ------------------------------------102
13.9. IPCMPR Card No.8 ------------------------------------104

13.10. IPCMPR Card No.9 ------------------------------------106

13.11. IPCMPR Card No.10-----------------------------------108

13.12. IPCMPR Card No.11----------------------------------- 110
13.13. IPCMPR Card No.12----------------------------------- 112
13.14. IPCMPR Card No.13----------------------------------- 114
13.15. IPCMPR Card No.14----------------------------------- 116
13.16. IPCMPR Card No.15----------------------------------- 118
13.17. IPCMPR Card No.16-----------------------------------120
13.18. Back Board-----------------------------------------------121

13.18.1. No.1 ---------------------------------------------------121
13.18.2. No.2 ---------------------------------------------------123
13.18.3. No.3 ---------------------------------------------------125

13.19. LED Board------------------------------------------------ 126
13.20. Power Supply Board -----------------------------------127
13.21. Waveform-------------------------------------------------128

14 Printed Circuit Board-----------------------------------------130

14.1. IPCMPR Card -------------------------------------------130

14.1.1. Component -----------------------------------------130
14.1.2. Bottom View-----------------------------------------131