KX-TDA100DUP - Panasonic PBX Service Manual (repair manual). Page 2

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2
KX-TDA100DUP
TABLE OF CONTENTS
PAGE
PAGE
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. Characterstics-----------------------------------------------6
3.3. System Capacity -------------------------------------------7
3.3.1. Maximum Optional Service Card ------------------7
3.3.2. Maximum Terminal Equipment---------------------8
3.3.3. Power Supply Unit Selection -----------------------8
4 General/Introduction ---------------------------------------------9
4.1. System Configurations------------------------------------9
5 Technical Descriptions---------------------------------------- 10
5.1. DMPR CARD Block Diagram ------------------------- 10
5.2. DMPR CARD Circuit Operation ---------------------- 11
5.2.1. DMPR CARD ----------------------------------------- 11
5.2.2. Description of Each Part--------------------------- 12
5.2.3. Circuit Description----------------------------------- 12
5.3. Back Board Circuit Operation ------------------------- 14
5.4. Line-System Circuit -------------------------------------- 15
5.4.1. PT Interface------------------------------------------- 15
5.5. Outline ------------------------------------------------------ 17
5.5.1. General Description--------------------------------- 17
5.5.2. DMPR Card ------------------------------------------- 17
5.5.3. Back Board-------------------------------------------- 17
5.5.4. Power Supply Unit ---------------------------------- 18
5.5.5. AC input, Rectification Smoothing Circuit ----- 18
5.5.6. Main Converter--------------------------------------- 19
5.5.7. Output voltage---------------------------------------- 20
5.5.8. Battery voltage input and output----------------- 22
5.5.9. Alarm Signal Sending Circuit --------------------- 23
5.5.10. Protection Circui ------------------------------------- 24
5.5.11. System Control--------------------------------------- 25
5.5.12. Back Board Signal Connection Diagram ------ 25
6 Location of Controls and Components------------------ 28
6.1. Name and Locations ------------------------------------ 28
6.2. LED Indications ------------------------------------------- 28
6.3. System Components ------------------------------------ 28
6.3.1. System Connection Diagram --------------------- 30
7 Test Mode---------------------------------------------------------- 32
7.1. Diagnosis--------------------------------------------------- 32
7.1.1. Diagnosis features ---------------------------------- 32
7.1.2. Diagnosis Test---------------------------------------- 36
8 Troubleshooting Guide---------------------------------------- 38
8.1. Intruduction ------------------------------------------------ 38
8.2. Typical Example ------------------------------------------ 39
8.3. DMPR CARD---------------------------------------------- 40
8.3.1. Startup-------------------------------------------------- 40
8.3.2. Phone Call -------------------------------------------- 44
8.3.3. Paging-------------------------------------------------- 45
8.3.4. MOH Using-------------------------------------------- 48
8.3.5. USB Connection ------------------------------------- 51
8.3.6. RS-232C Connection ------------------------------ 53
8.3.7. SD Card I/F------------------------------------------- 54
8.3.8. Other --------------------------------------------------- 55
8.4. Error Log --------------------------------------------------- 57
8.4.1. Error Log Display Format ------------------------- 57
8.4.2. List of Errors and Solutions----------------------- 58
8.5. Power Supply Unit--------------------------------------- 62
8.5.1. No Voltage is Output at All (1) ------------------- 62
8.5.2. No Voltage is Output at All (2) ------------------- 63
8.5.3. 41V are Not Output--------------------------------- 64
8.5.4. Battery Backup Function Does Not
Operate / PSU can Not Charge Batteries----- 65
9 Service Fixture & Tools--------------------------------------- 66
9.1. Extension Boards for Servicing ---------------------- 66
10 Disassembly and Assembly Instructions -------------- 67
10.1. Disassembly Instruction (DMPR CARD)----------- 67
10.2. Disassembly Instruction (BACK BOARD) --------- 68
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. DMPR CARD ---------------------------------------- 73
11.3.2. BACK/LED BOARD -------------------------------- 74
11.3.3. Power Supply Unit ---------------------------------- 74
11.3.4. Memo -------------------------------------------------- 75
12 Schematic Diagram -------------------------------------------- 76
12.1. DMPR CARD --------------------------------------------- 76
12.1.1. Memo -------------------------------------------------- 85
12.2. BACK/LED BOARD ------------------------------------- 86
12.3.  Power Supply Unit BOARD -------------------------- 88
12.4. Waveform-------------------------------------------------- 92
12.4.1. DMPR CARD ---------------------------------------- 92
12.4.2. Power Supply Unit BOARD ---------------------- 94
13 Printed Circuit Board------------------------------------------ 95
13.1. DMPR CARD --------------------------------------------- 95
13.2. BACK/LED BOARD ------------------------------------- 97
13.3. Power Supply Unit BOARD  -------------------------- 99
14 Appendix Information of Schematic Diagram -------101
15 Exploded View and Replacement Parts List
----------102
15.1. IC Data ----------------------------------------------------102
15.1.1. IC5 -----------------------------------------------------102
15.2. Cabinet and electrical Parts Location-------------- 106
15.2.1. Power Supply Unit ---------------------------------107
15.2.2. SCREW ----------------------------------------------108
15.3. Accessories and Packing Materials----------------109
15.4. Replacement Part List--------------------------------- 110
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