KX-NT511ARUW, KX-NT511ARUB - Panasonic Telephone Service Manual (repair manual). Page 2

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KX-NT511ARUW/KX-NT511ARUB
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 -------------------------------4
2.2. Discarding of P. C. Board --------------------------------4
3 Specifications ------------------------------------------------------5
4 Technical Descriptions------------------------------------------6
4.1. Block Diagram ----------------------------------------------6
4.2. Circuit Operations ------------------------------------------7
4.2.1. LCD Circuit ----------------------------------------------7
4.2.2. Reset Circuit --------------------------------------------7
4.2.3. Ethernet Circuit ----------------------------------------8
4.2.4. Analog Circuit ------------------------------------------8
4.2.5. Key Circuit-----------------------------------------------9
4.2.6. LED Circuit -------------------------------------------- 10
4.2.7. Power Supply Circuit ------------------------------- 11
5 Location of Controls and Components------------------ 12
5.1. Name and Locations ------------------------------------ 12
6 Installation Instructions--------------------------------------- 13
6.1. Connections ----------------------------------------------- 13
7 Test Mode ---------------------------------------------------------- 14
7.1. Loopback Test Mode ------------------------------------ 14
7.1.1. Preparation-------------------------------------------- 14
7.1.2. Communication Test -------------------------------- 14
7.1.3. Quit Test Mode for communication test  ------- 14
7.2. KEYs and LEDs Test mode---------------------------- 15
7.2.1. Preparation-------------------------------------------- 15
7.2.2. KEYs and LEDs Test ------------------------------- 15
7.2.3. Quit KEYs and LEDs Test mode----------------- 15
8 Service Mode ----------------------------------------------------- 16
8.1. Factory Setting-------------------------------------------- 16
8.1.1. How to Clear User Setting ------------------------ 16
9 Troubleshooting Guide---------------------------------------- 16
9.1. No Operation ---------------------------------------------- 16
9.1.1. Power ON Error-------------------------------------- 16
9.1.2. Power Supply : AC adaptor ----------------------- 17
9.1.3. Table-1: PORT OUTPUT at ERROR ----------- 18
9.2. LCD Does Not Operate --------------------------------- 22
9.3. Handset Does Not work -------------------------------- 23
9.3.1. Receive ------------------------------------------------ 23
9.3.2. Send ---------------------------------------------------- 23
9.4. Speaker-Phone Does Not Work ---------------------- 24
9.4.1. Receive ------------------------------------------------ 24
9.4.2. Send ---------------------------------------------------- 24
9.5. Ethernet Does Not work -------------------------------- 25
9.5.1. PHY Data Error -------------------------------------- 25
9.5.2. LAN port ----------------------------------------------- 26
9.5.3. PC port ------------------------------------------------- 26
9.6. LED Does Not Light ------------------------------------- 27
10 Disassembly and Assembly Instructions --------------- 28
10.1. Remove Main Board and Ope Board --------------- 28
10.2. Remove and Assembly for LCD   -------------------- 29
10.3. Assembly for Lead wire--------------------------------- 30
11 Maintenance ------------------------------------------------------ 31
11.1. Terminal Guide of the ICs Transistors and 
Diodes------------------------------------------------------- 31
11.1.1. Main Board -------------------------------------------- 31
11.1.2. Operation Board------------------------------------- 31
11.1.3. LED Board -------------------------------------------- 31
11.2. How To Replace a Flat Package IC ----------------- 32
11.2.1. Preparation ------------------------------------------- 32
11.2.2. Removal Procedure -------------------------------- 32
11.2.3. Procedure--------------------------------------------- 32
11.2.4. Removing Solder From Between Pins--------- 32
11.2.5. Memo -------------------------------------------------- 33
12 Schematic DiagramLOcation ------------------------------- 34
12.1. Main No.1-------------------------------------------------- 34
12.2. Main No.2-------------------------------------------------- 36
12.3. Main No.3-------------------------------------------------- 38
12.4. Ope---------------------------------------------------------- 40
12.5. Waveform -------------------------------------------------- 41
12.5.1. No.(1)-(6)---------------------------------------------- 41
12.5.2.  No.(7)-(14) ------------------------------------------- 42
13 Printed Circuit Board------------------------------------------ 43
13.1. Main Board ------------------------------------------------ 43
13.1.1. Component View ------------------------------------ 43
13.1.2. Bottom View ------------------------------------------ 44
13.2. Operation Board ----------------------------------------- 45
13.2.1. Component View ------------------------------------ 45
13.2.2. Bottom View ------------------------------------------ 46
14 Appendix Information of Schematic Diagram -------- 47
15 Exploded View and Replacement Parts List----------- 48
15.1. IC Data ----------------------------------------------------- 48
15.1.1. IC101--------------------------------------------------- 48
15.1.2. IC201--------------------------------------------------- 54
15.2. Cabinet and Electric Parts----------------------------- 56
15.3. Accessories and Packing Materials ----------------- 57
15.4. Replacement Parts List -------------------------------- 58
15.4.1. Cabinet and Electrical Parts---------------------- 58
15.4.2. Accessories and Packing Materials ------------ 58
15.4.3. Main Board Parts ----------------------------------- 58
15.4.4. Ope Board Parts ------------------------------------ 61
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