Read Panasonic KX-NS8290CE Service Manual online
2
KX-NS8290
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. For Service Technicians ---------------------------------3
2 Warning --------------------------------------------------------------4
2.1. Caution--------------------------------------------------------4
2.2. About Lead Free Solder (PbF: Pb free) --------------4
2.2. About Lead Free Solder (PbF: Pb free) --------------4
2.2.1. Suggested PbF Solder -------------------------------5
2.3. Discarding of P. C. Board --------------------------------5
3 Specifications ------------------------------------------------------6
3.1. General Description ---------------------------------------6
3.2. System Capacity -------------------------------------------6
3.2. System Capacity -------------------------------------------6
4 Technical Descriptions------------------------------------------7
4.1. System Block Diagram------------------------------------7
4.2. Hardware Specification -----------------------------------8
4.2. Hardware Specification -----------------------------------8
4.2.1. Hardware Detail Specifications --------------------8
4.2.2. DSP Block Detail Specifications -------------------9
4.2.3. Line Interface Block Detail Specifications ----- 10
4.2.2. DSP Block Detail Specifications -------------------9
4.2.3. Line Interface Block Detail Specifications ----- 10
4.3. CPU GPIO Port List ------------------------------------- 11
4.4. CPU BUS Interface Block Diagram------------------ 12
4.5. Interrupt FUnction---------------------------------------- 12
4.6. Reset Function-------------------------------------------- 13
4.7. LED Interface---------------------------------------------- 13
4.8. 4.9LAN Port Interface ----------------------------------- 14
4.9. TDM-BUS Interface-------------------------------------- 14
4.4. CPU BUS Interface Block Diagram------------------ 12
4.5. Interrupt FUnction---------------------------------------- 12
4.6. Reset Function-------------------------------------------- 13
4.7. LED Interface---------------------------------------------- 13
4.8. 4.9LAN Port Interface ----------------------------------- 14
4.9. TDM-BUS Interface-------------------------------------- 14
4.9.1. TDM-BUS Signal Connection -------------------- 14
4.9.2. TDM-BUS Timing Specifications----------------- 15
4.9.2. TDM-BUS Timing Specifications----------------- 15
4.10. Power Plane ----------------------------------------------- 16
4.10.1. Power Plane Block Diagram---------------------- 16
4.10.2. Power Supply and Reset Sequence------------ 16
4.10.3. Power Supply Interruption Backup Circuit ---- 17
4.10.4. Power Supply Interruption Detection
4.10.2. Power Supply and Reset Sequence------------ 16
4.10.3. Power Supply Interruption Backup Circuit ---- 17
4.10.4. Power Supply Interruption Detection
Circuit--------------------------------------------------- 17
4.10.5. PoE (IEEE 802.3af Class2) ----------------------- 18
4.10.6. AC-Adaptor ------------------------------------------- 18
4.10.6. AC-Adaptor ------------------------------------------- 18
5 Location of Controls and Components------------------ 19
5.1. Name and Locations ------------------------------------ 19
5.2. LED Indications ------------------------------------------- 20
5.2. LED Indications ------------------------------------------- 20
6 Installation Instructions--------------------------------------- 21
6.1. System Connection Diagram-------------------------- 21
7 Test Mode---------------------------------------------------------- 22
7.1. Utility--------------------------------------------------------- 22
7.1.1. Utility—Diagnosis------------------------------------ 22
7.1.2. Utility—File -------------------------------------------- 22
7.1.3. Utility—Log-------------------------------------------- 24
7.1.4. Utility—Monitor/Trace ------------------------------ 25
7.1.5. Utility—Report---------------------------------------- 26
7.1.2. Utility—File -------------------------------------------- 22
7.1.3. Utility—Log-------------------------------------------- 24
7.1.4. Utility—Monitor/Trace ------------------------------ 25
7.1.5. Utility—Report---------------------------------------- 26
8 Troubleshooting Guide---------------------------------------- 27
8.1. Power Circuit Check Flowchart----------------------- 28
8.2. Clock / Reset / NOR Flash Check Flowchart ----- 29
8.3. NAND Flash Check Flowchart ------------------------ 30
8.4. Application Program Trouble ------------------------- 30
8.5. Communication Trouble -------------------------------- 31
8.6. Speech Noise Trouble ---------------------------------- 32
8.2. Clock / Reset / NOR Flash Check Flowchart ----- 29
8.3. NAND Flash Check Flowchart ------------------------ 30
8.4. Application Program Trouble ------------------------- 30
8.5. Communication Trouble -------------------------------- 31
8.6. Speech Noise Trouble ---------------------------------- 32
9 Disassembly and Assembly Instructions--------------- 33
9.1. Remove Main Board------------------------------------- 33
9.2. Disassembly for Main Board -------------------------- 34
9.2. Disassembly for Main Board -------------------------- 34
10 Miscellaneous --------------------------------------------------- 35
10.1. How To Replace a Flat Package IC----------------- 35
10.1.1. Preparation ------------------------------------------- 35
10.1.2. Removal Procedure -------------------------------- 35
10.1.3. Procedure--------------------------------------------- 35
10.1.4. Removing Solder From Between Pins--------- 35
10.1.2. Removal Procedure -------------------------------- 35
10.1.3. Procedure--------------------------------------------- 35
10.1.4. Removing Solder From Between Pins--------- 35
10.2. How to Replace the LLP (Leadless Leadframe
Package) IC and IC ground plate-------------------- 36
10.2.1. Preparation ------------------------------------------- 36
10.2.2. Caution ------------------------------------------------ 36
10.2.3. How to Remove the IC ---------------------------- 36
10.2.4. How to Install the IC-------------------------------- 36
10.2.5. How to Remove a Solder Bridge (Doesn't
10.2.2. Caution ------------------------------------------------ 36
10.2.3. How to Remove the IC ---------------------------- 36
10.2.4. How to Install the IC-------------------------------- 36
10.2.5. How to Remove a Solder Bridge (Doesn't
apply to IC ground plate.) ------------------------- 37
10.3. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 38
10.4. Memo ------------------------------------------------------- 39
11 Schematic Diagram -------------------------------------------- 40
11.1. No. 1 -------------------------------------------------------- 40
11.2. No. 2 -------------------------------------------------------- 42
11.3. No. 3 -------------------------------------------------------- 44
11.4. No. 4 -------------------------------------------------------- 46
11.5. Waveform-------------------------------------------------- 48
11.2. No. 2 -------------------------------------------------------- 42
11.3. No. 3 -------------------------------------------------------- 44
11.4. No. 4 -------------------------------------------------------- 46
11.5. Waveform-------------------------------------------------- 48
11.5.1. Test Point Waveform ------------------------------- 48
11.5.2. LAN Port Waveform -------------------------------- 50
11.5.3. DC-DC Converter (3.3V) Waveform------------ 51
11.5.4. DC-DC Converter (1.1V) Waveform------------ 51
11.5.5. PoE Circuit Waveform ----------------------------- 52
11.5.6. Power & Reset Signal Waveform --------------- 52
11.5.7. NOR-Flash Memory Access Waveform ------- 52
11.5.8. NAND-Flash Memory Access Waveform ----- 53
11.5.9. TDM-BUS Access Waveform -------------------- 54
11.5.2. LAN Port Waveform -------------------------------- 50
11.5.3. DC-DC Converter (3.3V) Waveform------------ 51
11.5.4. DC-DC Converter (1.1V) Waveform------------ 51
11.5.5. PoE Circuit Waveform ----------------------------- 52
11.5.6. Power & Reset Signal Waveform --------------- 52
11.5.7. NOR-Flash Memory Access Waveform ------- 52
11.5.8. NAND-Flash Memory Access Waveform ----- 53
11.5.9. TDM-BUS Access Waveform -------------------- 54
12 Printed Circuit Board------------------------------------------ 55
12.1. Component View----------------------------------------- 55
12.2. Bottom View----------------------------------------------- 56
12.2. Bottom View----------------------------------------------- 56
13 Appendix Information of Schematic Diagram -------- 57
14 Exploded View and Replacement Parts List----------- 58
14 Exploded View and Replacement Parts List----------- 58
14.1. Cabinet and Electrical Parts -------------------------- 58
14.2. Accessories and Packing Materials----------------- 59
14.3. Replacement Parts List -------------------------------- 60
14.2. Accessories and Packing Materials----------------- 59
14.3. Replacement Parts List -------------------------------- 60
14.3.1. Cabinet and Electrical Parts---------------------- 60
14.3.2. Accessories and Packing Materials ------------ 60
14.3.3. Main Board Parts ----------------------------------- 60
14.3.2. Accessories and Packing Materials ------------ 60
14.3.3. Main Board Parts ----------------------------------- 60
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