KX-HDV100 - Panasonic PBX Service Manual Supplement (repair manual). Page 3

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1 Safety Precautions----------------------------------------------- 4

1.1. For Service Technicians --------------------------------- 4

2 Warning -------------------------------------------------------------- 4

2.1. Information for Users on Collection and

Disposal of Old Equipment and used Batteries ---- 4

2.2. About Lead Free Solder (PbF: Pb free)-------------- 5

2.2.1. Suggested PbF Solder ------------------------------ 5

2.3. Discarding of P. C. Board-------------------------------- 5

3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7

4.1. Block Diagram---------------------------------------------- 7
4.2. Circuit Operations ----------------------------------------- 8

4.2.1. LCD Circuit --------------------------------------------- 8
4.2.2. Reset Circuit ------------------------------------------- 8
4.2.3. Ethernet Circuit ---------------------------------------- 9
4.2.4. Analog Circuit ------------------------------------------ 9
4.2.5. Key Circuit ---------------------------------------------10
4.2.6. LED Circuit -------------------------------------------- 11
4.2.7. Power Supply Circuit--------------------------------12

5 Location of Controls and Components ------------------13

5.1. Name and Locations-------------------------------------13

6 Installation Instructions ---------------------------------------15

6.1. Connections------------------------------------------------15

7 Test Mode ----------------------------------------------------------16

7.1. Peer to Peer Test Mode---------------------------------16

7.1.1. Preparation --------------------------------------------16
7.1.2. Connection for Test----------------------------------17
7.1.3. Communication Test --------------------------------17
7.1.4. Quit peer to peer Test mode ----------------------17

7.2. KEYs and LEDs Test mode ----------------------------18

7.2.1. Preparation --------------------------------------------18
7.2.2. KEYs and LEDs Test--------------------------------18
7.2.3. Quit KEYs and LEDs Test mode -----------------18

8 Service Mode -----------------------------------------------------19

8.1. Factory Setting --------------------------------------------19

8.1.1. How to Clear User Setting -------------------------19

8.2. How to Change MAC Address Label ----------------19

8.2.1. Replacing Main P.C.B.------------------------------19
8.2.2. Attaching MAC Address Label -------------------20

9 Troubleshooting Guide ----------------------------------------21

9.1. No Operation ----------------------------------------------21

9.1.1. Power ON Error --------------------------------------21
9.1.2. Power Supply : AC adaptor -----------------------22

9.2. LCD Does Not Operate ---------------------------------26
9.3. Handset Does Not work---------------------------------27

9.3.1. Receive-------------------------------------------------27
9.3.2. Send ----------------------------------------------------27
9.3.3. Speaker-Ringer Does Not Work -----------------27

9.4. Ethernet Does Not work --------------------------------28

9.4.1. PHY Data error ---------------------------------------28
9.4.2. LAN port------------------------------------------------29

9.5. LED Does Not Light--------------------------------------29

10 Disassembly and Assembly Instructions ---------------30

10.1. Remove LED Board, LCD Assy and Main

Board --------------------------------------------------------30

10.2. Remove LCD ----------------------------------------------32
10.3. Assembly for Lead wire ---------------------------------33

10.3.1. Connecting Lead Wires ----------------------------33

10.3.2. Clamping Lead Wires ------------------------------ 34

11 Maintenance ------------------------------------------------------ 35

11.1. How To Replace a Flat Package IC ----------------- 35

11.1.1. Preparation-------------------------------------------- 35
11.1.2. Removal Procedure -------------------------------- 35
11.1.3. Procedure --------------------------------------------- 35
11.1.4. Removing Solder From Between Pins --------- 35

12 Schematic Diagram -------------------------------------------- 36

12.1. Main No.1 -------------------------------------------------- 36
12.2. Main No.2 -------------------------------------------------- 37
12.3. Main No.3 -------------------------------------------------- 38
12.4. Waveform -------------------------------------------------- 39

12.4.1. No.(1)-(3) ---------------------------------------------- 39
12.4.2.  No.(4)-(9) --------------------------------------------- 40
12.4.3. No.(10) ------------------------------------------------- 41

13 Printed Circuit Board ------------------------------------------ 42

13.1. Main Board ------------------------------------------------ 42

13.1.1. Component View ------------------------------------ 42
13.1.2. Bottom View ------------------------------------------ 43

14 Appendix Information of Schematic Diagram --------- 44
15 Exploded View and Replacement Parts List ----------- 45

15.1. IC Data------------------------------------------------------ 45

15.1.1. IC302 --------------------------------------------------- 45

15.2. Cabinet and Electric Parts ----------------------------- 48
15.3. Accessories and Packing Materials ----------------- 49
15.4. Replacement Parts List--------------------------------- 50

15.4.1. Cabinet and Electrical Parts ---------------------- 50
15.4.2. Accessories and Packing Materials ------------ 50
15.4.3. Main Board Parts ------------------------------------ 51
15.4.4. LED Board Parts------------------------------------- 53