KX-NS1000UC (serv.man6) — Panasonic PBX Service Manual (repair manual). Page 2

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KX-NS1000UC
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------4
1.1. For Service Technicians  ---------------------------------4
1.2. Insulation Resistance Test -------------------------------4
2 Warning --------------------------------------------------------------5
2.1. Battery Caution ---------------------------------------------5
2.2. Caution--------------------------------------------------------5
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. Characterstics-----------------------------------------------6
4 Technical Descriptions------------------------------------------7
4.1. Mother Board Block Diagram ---------------------------7
4.2. Power Supply Block Diagram ---------------------------9
4.3. Mother Board Circuit Operation ---------------------- 10
4.3.1. Mother Board ----------------------------------------- 10
4.3.2. Description of Each Part--------------------------- 10
4.3.3. Circuit Description----------------------------------- 12
4.4. Outline ------------------------------------------------------ 14
4.4.1. General Description--------------------------------- 14
4.4.2. Mother Board ----------------------------------------- 14
4.4.3. Back Board-------------------------------------------- 14
4.4.4. Power Supply Unit ---------------------------------- 14
4.4.5. System Control--------------------------------------- 14
4.5. Power Supply Unit Circuit Operation ---------------- 19
4.5.1. AC Section and Rectifier Circuit ----------------- 19
4.5.2. Main Converter--------------------------------------- 20
4.5.3. Output Voltage Section ---------------------------- 21
4.5.4. Alarm Signal Transmission Section------------- 22
4.5.5. Protective Circuit Operation Section------------ 23
5 Location of Controls and Components------------------ 24
5.1. Name and Locations ------------------------------------ 24
6 Installation Instructions--------------------------------------- 25
6.1. System Components ------------------------------------ 25
6.1.1. System Connection Diagram --------------------- 26
7 Operating Instructions ---------------------------------------- 28
7.1. Type and Maximum Number of Slots --------------- 28
7.2. Maximum Optional Service Cards ------------------- 30
7.3. Maximum Trunks and Extensions-------------------- 30
7.4. DSP Resources------------------------------------------- 31
7.5. Maximum Terminal Equipment ----------------------- 32
7.6. System Shutdown---------------------------------------- 33
8 Test Mode ---------------------------------------------------------- 34
8.1. Utility--------------------------------------------------------- 34
8.1.1. Utility—Diagnosis------------------------------------ 34
8.1.2. Utility—File -------------------------------------------- 36
8.1.3. Utility—Log-------------------------------------------- 39
8.1.4. Utility—Monitor/Trace ------------------------------ 40
8.1.5. Utility—Report ---------------------------------------- 44
8.1.6. Utility—License Installation ----------------------- 46
8.1.7. Utility—Email Notification-------------------------- 46
8.1.8. Utility—Command ----------------------------------- 46
8.1.9. Utility—Upgrade Online Help--------------------- 46
8.1.10. Utility—UM 
— System Prompts
customisation----------------------------------------- 47
8.1.11. Utility—UM — System maintenance ----------- 47
8.1.12. Utility—Automatic 2 Way Recording------------ 48
9 Troubleshooting Guide --------------------------------------- 49
9.1. Mother Board --------------------------------------------- 49
9.1.1. Startup ------------------------------------------------- 50
9.1.2. Battery Alarm ---------------------------------------- 53
9.1.3. Phone Call -------------------------------------------- 54
9.1.4. Paging ------------------------------------------------- 57
9.1.5. Using MOH ------------------------------------------- 59
9.1.6. Using Voice Mail ------------------------------------ 61
9.1.7. UPS Monitoring-------------------------------------- 63
9.1.8. RS232C ----------------------------------------------- 63
9.1.9. Others-------------------------------------------------- 64
9.2. Power Supply --------------------------------------------- 65
9.2.1. Total output voltage not output 1 ---------------- 65
9.2.2. Total output voltage not output 2 ---------------- 66
10 Disassembly and Assembly Instructions -------------- 67
10.1. Mother Board / Back Board --------------------------- 67
10.1.1. Remove the Back Board -------------------------- 67
10.2. Fan and Power Supply Board ------------------------ 69
11 Miscellaneous --------------------------------------------------- 70
11.1. How To Replace a Flat Package IC ----------------- 70
11.1.1. Preparation ------------------------------------------- 70
11.1.2. Removal Procedure -------------------------------- 70
11.1.3. Procedure--------------------------------------------- 70
11.1.4. Removing Solder From Between Pins--------- 70
11.2. How to Replace the LLP (Leadless Leadframe
Package) IC and IC ground plate-------------------- 71
11.2.1. Preparation ------------------------------------------- 71
11.2.2. Caution ------------------------------------------------ 71
11.2.3. How to Remove the IC ---------------------------- 71
11.2.4. How to Install the IC -------------------------------- 71
11.2.5. How to Remove a Solder Bridge (Doesn't
apply to IC ground plate.) ------------------------- 72
11.3. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 73
11.3.1. Mother Board ---------------------------------------- 73
11.3.2. Power Supply Board ------------------------------- 74
11.4. Memo ------------------------------------------------------- 75
12 Schematic Diagram -------------------------------------------- 76
12.1. Mother Board --------------------------------------------- 76
12.1.1. No.1 ---------------------------------------------------- 76
12.1.2. No.2 ---------------------------------------------------- 78
12.1.3. No.3 ---------------------------------------------------- 80
12.1.4. No.4 ---------------------------------------------------- 84
12.1.5. No.5 ---------------------------------------------------- 86
12.1.6. No.6 ---------------------------------------------------- 88
12.1.7. No.7 ---------------------------------------------------- 90
12.1.8. No.8 ---------------------------------------------------- 92
12.1.9. No.9 ---------------------------------------------------- 94
12.2. Back Board ------------------------------------------------ 96
12.3. Power Supply Board ------------------------------------ 98
12.4. Waveform ------------------------------------------------- 100
12.4.1. DC-DC Converter Output Voltage Check ---- 100
12.4.2. Flash ROM ------------------------------------------ 100
12.4.3. SRAM ------------------------------------------------- 100
12.4.4. MDIO -------------------------------------------------- 101
12.4.5. I2C ----------------------------------------------------- 102
12.4.6. SIO ---------------------------------------------------- 102
12.4.7. Power Supply Board ------------------------------ 103
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