KX-HDV330RUB - Panasonic Telephone 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. Information for Users on Collection and

Disposal of Old Equipment and used Batteries-----3

2.2. About Lead Free Solder (PbF: Pb free) --------------4

2.2.1. Suggested PbF Solder -------------------------------4

2.3. 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. Color TFT LCD display with touch panel --------7
4.2.2. Reset Circuit --------------------------------------------8
4.2.3. Ethernet Circuit ----------------------------------------9
4.2.4. PoE Circuit -------------------------------------------- 10
4.2.5. Analog Circuit ---------------------------------------- 10
4.2.6. Key Circuit--------------------------------------------- 12
4.2.7. LED Circuit -------------------------------------------- 12
4.2.8. ASIC ---------------------------------------------------- 13
4.2.9. BT(Bluetooth) Module ------------------------------ 13

4.2.10. Power Supply Circuit ------------------------------- 14

5 Location of Controls and Components------------------ 15

5.1. Name and Locations ------------------------------------ 15

6 Installation Instructions--------------------------------------- 18

6.1. Connections ----------------------------------------------- 18

7 Test Mode ---------------------------------------------------------- 19

7.1. Peer to Peer Test Mode -------------------------------- 19

7.1.1. Preparation-------------------------------------------- 19

7.2. Functional Test Mode ----------------------------------- 20

7.2.1. Preparation-------------------------------------------- 20
7.2.2. Functional Test mode lists------------------------- 21
7.2.3. Quit this Test Mode --------------------------------- 21

8 Service Mode ----------------------------------------------------- 22

8.1. Factory Setting-------------------------------------------- 22

8.1.1. How to Clear User Setting ------------------------ 22

8.2. How to Change MAC Address

Label(Procedure after Replacing the Main
P.C.B.)------------------------------------------------------- 22

8.2.1. Replacing Main P.C.B. ----------------------------- 22
8.2.2. Attaching MAC Address Label ------------------- 23

9 Troubleshooting Guide---------------------------------------- 24

9.1. No Operation ---------------------------------------------- 24

9.1.1. Power ON Error-------------------------------------- 24
9.1.2. Power Supply : AC adaptor ----------------------- 24
9.1.3. Power Supply : PoE -------------------------------- 26

9.2. Color LCD with Touch Panel Does Not

Operate ----------------------------------------------------- 30

9.2.1. Color LCD Not Operate ---------------------------- 30
9.2.2. Touch Panel Not Operate ------------------------- 31

9.3. Handset Does Not work -------------------------------- 32

9.3.1. Receive ------------------------------------------------ 32
9.3.2. Send ---------------------------------------------------- 32

9.4. Headset Does Not work -------------------------------- 33

9.4.1. Receive ------------------------------------------------ 33
9.4.2. Send ---------------------------------------------------- 33

9.5. Speaker-Phone Does Not work----------------------- 34

9.5.1. Receive ------------------------------------------------ 34

9.5.2. Sene---------------------------------------------------- 34

9.6. BT(Bluetooth) Does Not work ------------------------ 35
9.7. EHS Does Not work (EHS control signal) --------- 36
9.8. Ethernet Does Not work ------------------------------- 37

9.8.1. L2SW Date error ------------------------------------ 37
9.8.2. LAN port----------------------------------------------- 38
9.8.3. PC port ------------------------------------------------ 38

9.9. LCD back light and LED Not Light ------------------ 39

10 Disassembly and Assembly Instructions -------------- 40

10.1. Remove Main Board ------------------------------------ 40
10.2. Remove LCD unit---------------------------------------- 41
10.3. Assembly for Lead wire -------------------------------- 41

10.3.1. Connecting Lead Wires --------------------------- 42

11 Maintenance------------------------------------------------------ 43

11.1. Terminal Guide of the ICs Transistors and

Diodes ------------------------------------------------------ 43

11.1.1. Main Board ------------------------------------------- 43

11.2. How To Replace a Flat Package IC ----------------- 44

11.2.1. Preparation ------------------------------------------- 44
11.2.2. Removal Procedure -------------------------------- 44
11.2.3. Procedure--------------------------------------------- 44
11.2.4. Removing Solder From Between Pins--------- 44

12 Schematic Diagram -------------------------------------------- 45

12.1. Main Board ------------------------------------------------ 45

12.1.1. No.1 ---------------------------------------------------- 45
12.1.2. No.2 ---------------------------------------------------- 46
12.1.3. No.3 ---------------------------------------------------- 47
12.1.4. No.4 ---------------------------------------------------- 48
12.1.5. No.5 ---------------------------------------------------- 49
12.1.6. No.6 ---------------------------------------------------- 50

12.2. Waveform -------------------------------------------------- 51

12.2.1. No.(1)-(8)---------------------------------------------- 51
12.2.2. No.(9)-(16) -------------------------------------------- 52
12.2.3. No.(17)-(24) ------------------------------------------ 53
12.2.4. No.(25)-(32) ------------------------------------------ 54
12.2.5. No.(33)-(36) ------------------------------------------ 55

13 Printed Circuit Board------------------------------------------ 56

13.1. Main Board ------------------------------------------------ 56

13.1.1. Component View ------------------------------------ 56
13.1.2. Bottom View ------------------------------------------ 57

14 Appendix Information of Schematic Diagram -------- 58
15 Exploded View and Replacement Parts List----------- 59

15.1. Cabinet and Electric Parts----------------------------- 59
15.2. Accessories and Packing Materials ----------------- 60
15.3. Replacement Parts List -------------------------------- 62

15.3.1. Cabinet and Electrical Parts---------------------- 62
15.3.2. Accessories and Packing Materials ------------ 63
15.3.3. Main Board Parts ----------------------------------- 63

16 History-------------------------------------------------------------- 68