KX-HDV100RU, KX-HDV100RUB - Panasonic PBX Service Manual (repair manual). Page 2

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1 Safety Precautions -----------------------------------------------3

1.1. For Service Technicians  ---------------------------------3

2 Warning --------------------------------------------------------------3

2.1. About Lead Free Solder (PbF: Pb free) --------------3

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. Peer to Peer Test Mode -------------------------------- 14

7.1.1. Preparation-------------------------------------------- 14
7.1.2. Connection for Test --------------------------------- 15
7.1.3. Communication Test -------------------------------- 15
7.1.4. Quit peer to peer Test mode ---------------------- 15

7.2. KEYs and LEDs Test mode---------------------------- 16

7.2.1. Preparation-------------------------------------------- 16
7.2.2. KEYs and LEDs Test ------------------------------- 16
7.2.3. Quit KEYs and LEDs Test mode----------------- 16

8 Service Mode ----------------------------------------------------- 17

8.1. Factory Setting-------------------------------------------- 17

8.1.1. How to Clear User Setting ------------------------ 17

8.2. How to Change MAC Address Label---------------- 17

8.2.1. Replacing Main P.C.B. ----------------------------- 17
8.2.2. Attaching MAC Address Label ------------------- 18

9 Troubleshooting Guide---------------------------------------- 19

9.1. No Operation ---------------------------------------------- 19

9.1.1. Power ON Error-------------------------------------- 19
9.1.2. Power Supply : AC adaptor ----------------------- 20

9.2. LCD Does Not Operate --------------------------------- 24
9.3. Handset Does Not work -------------------------------- 25

9.3.1. Receive ------------------------------------------------ 25
9.3.2. Send ---------------------------------------------------- 25
9.3.3. Speaker-Ringer Does Not Work  ---------------- 25

9.4. Ethernet Does Not work -------------------------------- 26

9.4.1. PHY Data error--------------------------------------- 26
9.4.2. LAN port ----------------------------------------------- 27

9.5. LED Does Not Light ------------------------------------- 27

10 Disassembly and Assembly Instructions --------------- 28

10.1. Remove LED Board, LCD Assy and Main

Board -------------------------------------------------------- 28

10.2. Remove LCD ---------------------------------------------- 30
10.3. Assembly for Lead wire--------------------------------- 31

10.3.1. Connecting Lead Wires ---------------------------- 31
10.3.2. Clamping Lead Wires ------------------------------ 32

11 Maintenance------------------------------------------------------ 33

11.1. Terminal Guide of the ICs Transistors and

Diodes ------------------------------------------------------ 33

11.2. How To Replace a Flat Package IC ----------------- 34

11.2.1. Preparation ------------------------------------------- 34
11.2.2. Removal Procedure -------------------------------- 34
11.2.3. Procedure--------------------------------------------- 34
11.2.4. Removing Solder From Between Pins--------- 34

12 Schematic Diagram -------------------------------------------- 35

12.1. Main No.1-------------------------------------------------- 35
12.2. Main No.2-------------------------------------------------- 36
12.3. Main No.3-------------------------------------------------- 37
12.4. Waveform -------------------------------------------------- 38

12.4.1. No.(1)-(3)---------------------------------------------- 38
12.4.2.  No.(4)-(9) --------------------------------------------- 39
12.4.3. No.(10)------------------------------------------------- 40

13 Printed Circuit Board------------------------------------------ 41

13.1. Main Board ------------------------------------------------ 41

13.1.1. Component View ------------------------------------ 41
13.1.2. Bottom View ------------------------------------------ 42

14 Appendix Information of Schematic Diagram -------- 43
15 Exploded View and Replacement Parts List----------- 44

15.1. IC Data ----------------------------------------------------- 44

15.1.1. IC302--------------------------------------------------- 44
15.1.2. IC203--------------------------------------------------- 48

15.2. Cabinet and Electric Parts----------------------------- 49
15.3. Accessories and Packing Materials ----------------- 50
15.4. Replacement Parts List -------------------------------- 51

15.4.1. Cabinet and Electrical Parts---------------------- 51
15.4.2. Accessories and Packing Materials ------------ 51
15.4.3. Main Board Parts ----------------------------------- 51
15.4.4. LED Board Parts ------------------------------------ 54