KX-NCP1188XJ — Panasonic PBX Service Manual (repair manual)

Model
KX-NCP1188XJ
Pages
48
Size
1.9 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / E-1 TRUNK CARD
File
kx-ncp1188xj.pdf
Date

View Panasonic KX-NCP1188XJ Service Manual online

ORDER NO. KMS0811620CE
 E-1 Trunk Card
Model No.
KX-NCP1188XJ
(for Asia, Oceania, Middle Near Esat, Africa 
and Latin America)
2
KX-NCP1188XJ
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. For Service Technicians  ---------------------------------3
1.2. Discarding of P. C. Board --------------------------------3
2 Warning --------------------------------------------------------------4
2.1. About Lead Free Solder (PbF: Pb free) --------------4
2.1.1. Suggested PbF Solder -------------------------------4
3 Specifications ------------------------------------------------------5
4 Technical Descriptions
------------------------------------------6
4.1. Block Diagram ----------------------------------------------6
4.2. Circuit Operation -------------------------------------------7
4.2.1. CPU Peripheral Circuit -------------------------------7
4.3. Line Interface Function -----------------------------------9
4.3.1. Line Interface Outline---------------------------------9
4.3.2. Line Interface Loopback -----------------------------9
4.4. DSP---------------------------------------------------------- 10
4.4.1. DSP Function Outline ------------------------------ 10
4.4.2. DSP Peripheral Interface -------------------------- 11
4.5. Local Highway Interface Function ------------------- 12
4.6. EC BUS Interface ---------------------------------------- 13
4.6.1.  Dual Port RAM (DPRAM) Communication --- 13
4.7. Outline of Reset System ------------------------------- 14
4.7.1.  Reset Operation ------------------------------------ 14
4.8. Power Supply --------------------------------------------- 15
5 Location of Controls and Components------------------ 16
5.1. Names and Locations----------------------------------- 16
6 Installation Instructions--------------------------------------- 17
6.1. Information about the Physical Trunk Cards ------ 17
6.1.1. E1 Card ------------------------------------------------ 17
7 Troubleshooting Guide---------------------------------------- 19
8 Miscellaneous 
---------------------------------------------------- 24
8.1. How To Replace a Flat Package IC ----------------- 24
8.1.1. Preparation-------------------------------------------- 24
8.1.2. Removal Procedure--------------------------------- 24
8.1.3. Procedure --------------------------------------------- 24
8.1.4. Removing Solder From Between Pins --------- 24
8.2. Terminal Guide of the ICs Transistors and
Diodes------------------------------------------------------- 25
9 Schematic Diagram--------------------------------------------- 26
9.1. No.1---------------------------------------------------------- 26
9.2. No.2---------------------------------------------------------- 28
9.3. No.3---------------------------------------------------------- 30
9.4. No.4---------------------------------------------------------- 32
9.5. No.5---------------------------------------------------------- 34
10 Printed Circuit Board ------------------------------------------ 35
10.1. Component View ----------------------------------------- 35
10.2. Bottom View ----------------------------------------------- 36
11 Appendix Information of Schematic Diagram --------- 37
12 Exploded View and Replacement Parts List ----------- 38
12.1. IC Data------------------------------------------------------ 38
12.1.1. IC1 (CPU) --------------------------------------------- 38
12.1.2. IC2 (ASIC)--------------------------------------------- 40
12.2. Cabinet and Electrical Parts Location--------------- 42
12.3. Accessories and Packing Materials ----------------- 43
12.4. Replacement Parts List --------------------------------- 44
12.4.1. Cabinet and Electrical Parts Location ---------- 44
12.4.2. Accessories and Packing Materials------------- 44
12.4.3. Main Board Parts ------------------------------------ 44
3
     KX-NCP1188XJ
1 Safety Precautions
1.1.
For Service Technicians 
• Repair service shall be provided in accordance with repair technology information such as service manual so as to prevent fires,
injury or electric shock, which can be caused by improper repair work.
1. When repair services are provided, neither the products nor their parts or members shall be remodeled.
2. If a lead wire assembly is supplied as a repair part, the lead wire assembly shall be replaced.
3. FASTON terminals shall be plugged straight in and unplugged straight out.
• ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover plastic parts boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on worktable.
4. Do not grasp IC or LSI pins with bare fingers.
1.2.
Discarding of P. C. Board
When discarding P. C. Board, delete all personal information such as telephone directory and caller list or scrap P. C. Board.
4
KX-NCP1188XJ
2 Warning
2.1.
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 con-
tains lead.
We will use PbF 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 tempera-
ture 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).
2.1.1.
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 manufac
turer'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 sizes are recommended for service of this product: 0.3mm, 0.6mm and 1.0mm.
5
     KX-NCP1188XJ
3 Specifications
Functional Block
Functional contents
E1 Line Interface
Number of Ports
30 ports
Transfer Rate
2.048Mbit/s
Line Code
HDB3
Framing
CRC-Multiframe or SMF (Sub Mutiframe)
E1 Line Interface IC
MT9074 made by MITEL
Line Interface Circuit
(Except Interface IC)
Main Front End Circuit
Pulse Transformer
Surge Absorber
 EMC Filter
ASIC (IC2)
EC Bus Interface Functional (Slave)
H.100 Bus Interface Functional, Digital PLL Function
Local Bus Interface Functional (Compatible with legacy)
Timing Switch Function, Gain Control Function, FIFO/DPRAM Function
Returning Sound Function
See the specification of eSAMSON for details.
Controller
CPU
SH7020(12.288MHz)
Flash
4Mbit(256K x 16)
For software download
SRAM
4Mbit(256K x 16)
DIMF Receiver/Generator
In-band Signaling Function
• No. of Channels 
MFC-R2 Receiver: 30ch(Composed of DSP)
MFC-R2 Generator: 30ch(Composed of DSP)
DTMF Receiver: 30ch(Composed of DSP; DSP supports 30ch.)
TMF Generator: Switch a signal from eMESSIAH on the MPR card.
                              /DTMF Generator of DSP-30ch
• Level
MFC-R2 Output: Programmable and variable in the range of -31 to 0 dB.
                              Detection: Programmable and variable in the range of -38 to 0dB.
DTMF Output: Programmable and variable in the range of -12 to +3dB.
                          Detection: Programmable and variable in the range of -42 to 0dB.
Gain Control Circuit
Use the gain control function in the eSAMSON
Insert the loss of xxdB at the call on the internal line
Insert the loss of 3dB at the call on the analog line
Mu/A Conversion Function
LED Display Circuit
Card State Display LED: 1
Line State Display LED: 4
Line Interface Connector
For External
RJ45
Both RJ45 and COAX should be mounted and switched
by slide switch depending on the destinations.
For Internal
RJ45
For External/Internal 
COAX
On-board DC/DC Power Supply
Input +15V
Output +5V, +3.3V, +1.8V
Self-diagnostic Functional
LSI Internal Loopback Test of E1 Line Interface
Loopback Function by a relay on the primary side of the line

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Here you can view online or download Panasonic KX-NCP1188XJ Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Panasonic KX-NCP1188XJ PBX. Information contained in Panasonic KX-NCP1188XJ service manual (repair manual) typically includes:

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  • Schematics, wiring and block diagrams.
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  • Parts list (bill of materials).