Panasonic KX-NT265X Manual de usuario

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distribution is a violation of law.

KX-NT265X

KX-NT265X-B

White Version

Black Version

(for Asia, Oceania, Middle Near East, Europe, Africa

and Latin America)

IP Proprietary Telephone

IMPORTANT INFORMATION ABOUT LEAD FREE, (PbF), SOLDERING

If lead free solder was used in the manufacture of this product the printed circuit boards will be marked PbF.

Standard leaded, (Pb), solder can be used as usual on boards without the PbF mark.

When this mark does appear, please read and follow the special instructions described in this manual on the use of PbF and how

it might be permissible to use Pb solder during service and repair work.

ORDER NO. KMS0606274CE

1 ABOUT LEAD FREE SOLDER (PbF: Pb free) 3

1.1. SUGGESTED PbF SOLDER 3

1.2. HOW TO RECOGNIZE THAT Pb FREE SOLDER IS

USED 4

2 FOR SERVICE TECHNICIANS 4

3 SPECIFICATIONS 5

4 LOCATION OF CONTROLS 6

5 CONNECTION 7

5.1. OPTIONAL ACCESORY 7

6 DISASSEMBLY INSTRUCTIONS 8

7 BLOCK DIAGRAM 10

8 CIRCUIT OPERATIONS 11

8.1. VoIP BLOCK 11

8.2. LCD CIRCUIT 11

8.3. RESET CIRCUIT 11

8.4. Ethernet CIRCUIT 12

8.5. POWER SUPPLY CIRCUIT 13

8.6. ANALOG CIRCUIT 15

8.7. KEY INPUT CONTROL CIRCUIT 16

8.8. LED CIRCUIT 16

9 TROUBLESHOOTING GUIDE 18

9.1. NO OPERATION 18

9.2. LCD DOES NOT OPERATE 21

9.3. HANDSET DOES NOT WORK 22

9.4. HEADSET DOES NOT WORK 23

9.5. SPEAKER-PHONE DOES NOT WORK 24

9.6. Ethernet DOES NOT WORK (Ethernet PORT) 25

9.7. LED DOES NOT LIGHT 26

10 IC DATA 28

10.1. IC1 (VoIP) 28

10.2. IC2 (Ethernet) 32

10.3. IC5 (DC-DC Convertor) 33

10.4. IC6 (PoE Interface Controller) 34

11 TERMINAL GUIDE OF ICs, TRANSISTORS AND DIODES 35

12 HOW TO REPLACE A FLAT PACKAGE IC 36

12.1. PREPARATION 36

12.2. REMOVAL PROCEDURE 36

12.3. INSTALLATION PROCEDURE 36

12.4. REMOVING SOLDER FROM BETWEEN PINS 36

13 CABINET AND ELECTRICAL PARTS LOCATION 37

14 ACCESSORIES AND PACKING MATERIALS 38

15 REPLACEMENT PARTS LIST 39

15.1. CABINET AND ELECTRICAL PARTS 39

15.2. ACCESSORIES AND PACKING MATERIALS 39

15.3. MAIN BOARD PARTS 40

15.4. OPTION 43

16 FOR THE SCHEMATIC DIAGRAM 43

17 SCHEMATIC DIAGRAM 44

17.1. VoIP/LCD block 44

17.2. Ethernet/Power block 46

17.3. ANALOG/KEY/LED block 47

17.4. WAVEFORM 48

18 PRINTED CIRCUIT BOARD 51

18.1. MAIN BOARD : COMPONENT VIEW 51

18.2. MAIN BOARD : BOTTOM VIEW 52

CONTENTS

Page Page

KX-NT265X / KX-NT265X-B

1 ABOUT LEAD FREE SOLDER (PbF: Pb free)

Note:

In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that

contains lead.

We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin, (Sn),

Silver, (Ag), and Copper, (Cu).

This model, and others like it, manufactured using lead free solder will have PbF stamped on the PCB. For service and repair

work we suggest using the same type of solder.

Caution

PbF solder has a melting point that is 50° ~ 70° F, (30° ~ 40°C) higher than Pb solder. Please use a soldering iron with

temperature control and adjust it to 700° ± 20° F, (370° ± 10°C).

Exercise care while using higher temperature soldering irons.:

Do not heat the PCB for too long time in order to prevent solder splash or damage to the PCB.

PbF solder will tend to splash if it is heated much higher than its melting point, approximately 1100°F, (600°C).

When applying PbF solder to double layered boards, please check the component side for excess which may flow onto the

opposite side (See figure, below).

1.1. SUGGESTED PbF SOLDER

There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper,

(Sn+Ag+Cu), you can also use Tin and Copper, (Sn+Cu), or Tin, Zinc, and Bismuth, (Sn+Zn+Bi).

Please check the manufacturer’s specific instructions for the melting points of their products and any precautions for using their

product with other materials.

The following lead free (PbF) solder wire gauges are recommended for service of this product: 0.3mm, 0.6mm and 1.0mm.

KX-NT265X / KX-NT265X-B

1.2. HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED

“PbF” is marked to show that Pb free solder is used. (See the figure below.)

2 FOR SERVICE TECHNICIANS

ICs and LSIs are vulnerable to static electricity.

When repairing, the following precautions will help prevent recurring malfunctions.

1.Cover the plastic parts boxes with aluminum foil.

2.Ground the soldering irons.

3.Use a conductive mat on the worktable.

4.Do not touch IC or LSI pins with bare fingers.

KX-NT265X / KX-NT265X-B

3 SPECIFICATIONS

Design and specifications are subject to change without notice.

KX-NT265X / KX-NT265X-B

4 LOCATION OF CONTROLS

Note:

For further information, refer to the User Manual of the Hybrid IP-PBX.

KX-NT265X / KX-NT265X-B

5.1. OPTIONAL ACCESORY

Model No. Description

KX-A237X AC adaptor (PQLV1) for Canada and other

100V areas

KX-A237BX AC adaptor (PQLV1CE) for Russia, Eastern

Europe and other 200V areas

KX-A237EJ AC adaptor (PQLV1E) for Hong Kong,

Singapore and Malaysia

KX-A237AL AC adaptor (PQLV1AL) for Oceania

KX-A237AG AC adaptor (PQLV1AG) for Argentina

KX-A237BR AC adaptor (PQLV1LB) for Brazil

5 CONNECTION

CAUTION:

The AC adaptor is used as the main disconnect device. Ensure that the AC outlet is located near the unit and is easily

accessible.

Notes:

Consult your dealer for more details about the AC adaptor.

KX-NT265X / KX-NT265X-B

6 DISASSEMBLY INSTRUCTIONS

1. Remove the Stand.

2. Remove 5 Screws.

3. Remove the Cabinet Cover.

4. Remove the Connector from the Main Board.

5. Remove 2 Screws (A).

6. Remove the Main Board and the LCD from the Cabinet Body.

KX-NT265X / KX-NT265X-B

7. Remove the Flat Cable from the Main Board.

8. Remove the LCD Holder by sliding the Hook in the direction of the

arrow from the Main Board.

KX-NT265X / KX-NT265X-B

7 BLOCK DIAGRAM

SDRAM

IC4

IC14

IC15

IC11

CODEC

MAC

Mll1

IC3

FLASH IC7

IC2

IC1

VoIP /DSP

Reset

RESETn

INT

IC12

3.3V

LCD

JK2

HD JK

JK3

IC16

RJ11

CN3

MIC

CN4

IC10

Reg.

IC9

C148

C149

Reg. Super

IC8

DC Alarm

IC5

DC/DC

RJ45

Ethernet I/F

Ethernet

To LAN

10/100Base-T

IC6

PoE Controller

+9v+48v

+5.0v

+1.8v

+3.3v

JK4

JK1

Trans

DC IN

25.00

8.192

MHz

GPIO

SIO

GPIO

Headset

(for LCD )

(for DSP )

nRST PHY

TX_EN

MIC SW

Mute SP2

Mute SP1

HSIN

HSOUT

MICIN

SPOUT

Mute SP0 TX_ER

TX_CLK

RX_CLK

RX_DV

RX_ER

RXD[3:0]

TXD[3:0]

CRS

COL

Handset

KEY/LED/LCD

Analog I/F Power I/F

KEY

LED

(Dynamic)

(Matrix)

(16 x 1) 5.0V

(+4.5V)

3.3V

1.8V CAP

MHz

PHY

D5V

LCD_SCK,LCD_DATA,LCD_STB

LCD_CONT1,LCD_CONT2

KEYIN[5:0],KEYOUT[5:0]

CO[8:3]R,CO[8:3]G

CO[2:1]R,CO[2:1]G

MES_R,ANS,DIAL,ICM,SP

IC13

S/P

BU209

12bit

Data Bus

Address Bus

KX-NT265X/KX-NT265X-B : BLOCK DIAGRAM

KX-NT265X / KX-NT265X-B

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