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Model
KX-TDE6101RU
Pages
108
Size
4.25 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / MAIN PROCESSING CARD
File
kx-tde6101ru.pdf
Date

Panasonic KX-TDE6101RU Service Manual ▷ View online

10
KX-TDE6101RU
4.2.
IPCEMPR Card Circuit Operation
4.2.1.
IPCEMPR Card
4.2.1.1.
Outline
1) Function
• System Control
• Circuit Switching (includes gain adjustment function)
• Conference Call (3 people x 8-8 people x 3)
• MOH
• PAGING
• Clock
2) Configuration
• Power Supply: DC/DC Converter
• CPU: HITACHI SH7780 (400MHz)
• ASIC: Our own products
• ROM: 8Mbit x 1 (for boot programs)
• SDRAM: 512Mbit x 2 (for work area)
• SRAM: 16Mbit x 1 (for user data backup)
• SRAM: 16Mbit x 1 (for user data backup)
+16Mbit x 1 (initial mounting MEC card for user data backup)
• SD card I/F (for operating programs) x 1
• LAN I/F (for PC programming and the VoIP) x 2
• MOH: External sound input x 2
• PAGING: External output x 2
• Expanded memory connector x 1
• Modem card connector x 1
3) Operation Rating
• Power Input: +15V_CON
• Power Output: +15V (for MOH)
+3.3V (for I/O)
+3.3VD_BB (back board signal line pull-up)
+3.3VD_B (for SRAM backup)
+1.25VD (for CPU core)
+2.5VD (for DDR-SDRAM, CPU, LAN SW IC amd FPGA)
+1.8VD (for LAN SW IC)
+1.2VD (for FPGA)
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     KX-TDE6101RU
4.2.2.
Description of Each Part
LED Lamp (BATT ALARM): Turns on to indicate the dropping of the lithium battery voltage (less than 2.8V).
LED Lamp (SD ACCESS): Turns on when the SD card is accessing.
SD card slot: Mounts the system program SD card.
Reset Switch: Press at the system reset. 
System Initialize Switch:
On default startup, set the switch to the "SYSTEM INITIALIZE" position for the power ON. Return the switch to the "NORMAL"
position when the main power switch starts to flash. On normal startup, turn the power ON with the "NORMAL" position.
LAN connector: 1, 2. Used for the PC programming and the VoIP.
PAGING 1, 2: External PAGING output. Connect to the device with the built-in amplifier.
MOH 1, 2: External music on-hold input.
LED Lamp (LINK / ACT) Turns on: LINK OK. Blinking: ACTive data is communicated.
LED Lamp (100 / 10) Turns on: 100BASE-TX. Turns off: 10BASE-T.
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KX-TDE6101RU
4.2.3.
Circuit Description
4.2.3.1.
Outline of Block Description
• CPU2 block (BLOCK1) 
This block operates the main unit control. Besides this operates various controls, select signal generation, DMA control and
serial port control. This contains the built-in clock function.
Configuration: IC101 (CPU), IC102 (clock buffer for PCI), and so on.
Function:
(IC101) Generates the select signal in accordance with the memory map and operates Readout/Storage of data between each
peripheral.
Controls the DMA transfer between built-in serial controller and memory.
Operates input/output control of each I/O signal in accordance with the program.
• CPU_POWER block (BLOCK2)
This block is a power supply part of CPU.
Configuration: IC101 (CPU), X501 (33.33MHz clock for CPU), and so on.
Function:
Power pins of CPU.(+3.3VD,+2.5VD,+1.25VD)
Clock oscillation circuit for CPU operation.
• MEMORY2 block (BLOCK3)
This is a work area and the main unit control program storage or the system boot program storage area.
Configuration: IC602 (Flash ROM), IC601, IC603 (DDR-SDRAM), CN601 (IPCMEC card connector) and so on.
Function:
(IC602) Saves (some of) the system boot program and the system data.
(IC601, IC603) The main program is loaded from the SD card on the system start-up.
Used as the program area and the CPU work area after start-up.
It is independent bus connection to CPU due to high-speed action (bus clock 166MHz).
• FPGA + RTC + SVM block (BLOCK 4)
The FPGA is a CPU Peripheral function IC.
Configuration: IC801 (FPGA), IC802 (RTC, 32.768kHz clock for CPU), IC804 ( SVM DSP ), IC805 ( SVM voice data FLASH )
and so on.
Function:
(IC801) has the functions of RTC I/F, LAN SW I/F(SPI I/F), reset control port, LED driver and address decoder and so on.
(IC802)This is working in the Real time clock function when system stops.
This IC is maintained by the onboard battery back-up.
(IC804,IC805) These are the simple voice mail function.
• LAN block (BLOCK 5)
It is LAN controller connected with PCI.
Configuration: IC1002 (MAC+PHY (LAN controller)), X1001 ( 25MHz clock for LAN controller) and so on.
Function:
(IC1002) This is a function to communicate LAN through LAN SW.
• LAN_SW_5P block (BLOCK 6)
5ports LAN SW and the external I/F LAN connector. 
Configuration: IC1101 (LAN SW), JK1102, JK1103 (LAN connector) and so on.
Function:
(IC1101) It is a hub that does LAN signal of two internal ports and two external ports in the switching.
(JK1102, JK1103) These are connectors with built-in LAN transformer and LED.
• SD and RS232 block (BLOCK 7)
SD card I/F and RS232 (serial) I/F
Configuration: IC1201 (SD card controller), CN1201 (SD card connector) , IC1202 (RS232 D/R)and so on.
Function:
(IC1201) This provides the SD card I/F function and loads the main unit program and the system data from the SD card storing
the main unit control program.
(IC1202). This provides the serial I/F driver / receiver function.
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     KX-TDE6101RU
• NEXUS ( + SRAM ) block (BLOCK 8)
This provides the communication function between each option card, call control (TSW function), conference call, tone genera-
tion and gain control function.
Configuration: IC1303(ASIC(NEXUS)), IC1302, X1301,IC1301(SRAM) , CN1301(RMT card connector) and so on.
Function:
(IC1303) This functions as the bus master of EC bus (synchronous bus with 16 bit width, transmission rate max.10Mbps).
Communicates with ASIC mounted to each option card via EC bus and controls the option card.
Controls CT bus (HW clock 8.192MHz, 8 highway, 128 timeslot) for TSW function.
Controls the conference call for 3 people x-8 parties-8 people x-3 parties.
Generates single and DTMF tone in any highway and timeslot.
Provides the digital gain control function by data conversion.Provides some I/O ports for CODEC channel pulse generation,
modem encoding rule setting and music on-hold switching and is controlled by CPU.
(IC1301) Saves the user configuration data (such as key assign data per PT).
The memory is maintained by the onboard battery back-up.
• MOH/PAGING block (BLOCK 9)
This provides the external music on-hold input x 2, the external paging output x 2 port. And also this provides the external music
on-hold input 1 system and exclusively the internal music on-hold output.
Configuration:
IC1501, IC1502 (CODEC), IC1503, IC1504 (OP Amp), IC1505 (Melody IC), Q1501~Q1505 (transistor), JK1501~JK1504 (pin
jack) and so on.
Function:
The external music on-hold 1 is input from JK1502 and is A/D converted in IC1501 via AGC (Auto Gain Control) circuit, which
consists of IC1503, Q1502, Q1504 and other CR, this is then connected to the call line HW.
Likewise, the external music on hold 2 is input from JK1504 and is made A/D conversion in IC1502 via AGC (Auto Gain Control)
circuit, which consists of IC1504, Q1503, Q1505 and other CR, this is then connected to the call line HW. The external music on-
hold 2 and IC1505 is exclusively connected to IC1502 input (by software control).
The various tones & DTMF tone and the voice data generated in IC1303 (ASIC(NEXUS)) are made D/A conversion in IC1501
and IC1502. They are output via JK1501, JK1503 respectively.
• EC_CT CON block (BLOCK 10)
This is the connector that connects IPCEMPR and Back Board.
Configuration: CN1601 (Back Board connector) and so on.
Function:
(CN1601) Connection of EC bus, CT bus, and control signals for the option card.
• VOIP_PCI_CON block (BLOCK 11)
This is the connector for 16 VOIP DSP/ 64 VOIP DSP card.
Configuration: CN1701 (Original PCI connector) and so on.
Function:
(CN1601) Connection of PCI bus and LAN data for 16 VOIP DSP/ 64 VOIP DSP card.
• debug_PCI_CON block (BLOCK 12)
This is the connector for debug. ( Not mounted connector )
Configuration: CN1801 (Original PCI connector) and so on.
Function:
Nothing
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