Panasonic KX-NT265X Manuel utilisateur
©2006 Panasonic Communications Co., Ltd. All
rights reserved. Unauthorized copying and
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
2
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.
3
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.
4
KX-NT265X / KX-NT265X-B
3 SPECIFICATIONS
Design and specifications are subject to change without notice.
5
KX-NT265X / KX-NT265X-B
4 LOCATION OF CONTROLS
Note:
For further information, refer to the User Manual of the Hybrid IP-PBX.
6
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.
7
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.
8
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.
9
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
SP
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
T1
25.00
X2
8.192
MHz
GPIO
GPIO
GPIO
SIO
GPIO
GPIO
GPIO
GPIO
Headset
X1
(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
to
IC
(+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
12
12
3
5
9
IC13
S/P
BU209
12bit
Data Bus
Address Bus
KX-NT265X/KX-NT265X-B : BLOCK DIAGRAM
KX-NT265X / KX-NT265X-B
10
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