DOWNLOAD Panasonic KX-NT680RU-B Service Manual ↓ Size: 6.4 MB | Pages: 70 in PDF or view online for FREE

Model
KX-NT680RU-B
Pages
70
Size
6.4 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / IP PROPRIETARY TELEPHONE
File
kx-nt680ru-b.pdf
Date
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Panasonic KX-NT680RU-B Service Manual ▷ View online

53
KX-NT680 Series
12.2. Waveform
12.2.1.
No. (1) - (8)
(1) PoE DC/DCswitching 
 
      Q2002 gate
(3) X1001 25MHz
 
(4) X1002 12MHz
 
(5) NAND Flash-write
 
     IC1002
(8) DDR_DA0
 
      IC1001 Pin B15
(2) PWR_RST
 
      IC1001 PinV12
(7) DDR_CLK0(375MHz)
 
     IC1001 Pin A17
(6) NAND Flash-read
 
      IC1002
54
KX-NT680 Series
12.2.2.
No. (9) - (16)
LCD_DE
LCD_PCLK
LCD_PCLK
LCD_DE
LCD_R,G,
(9) DDR_DQ0
      IC1001 Pin A7
(11) LCD_DE
        CN6001 pin34
(12) LCD_DE
       CN6001 pin34
(13) LCD_DE
        LCD_DE : CN6001 pin34
        LCD_PCLK : CN6001 pin30
(16) BT_URX
(10) DDR_DQ2
        IC1001 Pin B8
(15) BT_UTX
(14) LCD_R[3-7],G[2-7],B[3-7]
        LCD_R,G,B : CN6001 pin5-28
55
KX-NT680 Series
12.2.3.
No. (17) - (24)
FLATcable EHS(RX)
(17) BT_SYNC,BT_CLK,BT_DOUT,BT_DIN
        BT_SYNC  : IC1004   2pin
        BT_CLK     : IC1004 32pin
        BT_DOUT : IC1004 31pin
        BT_DIN     : IC1004   3pin
(19) ASIC_2
      ASIC_CLK   :TP ASIC_CLK
(20) plantronics EHS - secondary side 
       PSB_OUT   :TP PSB_OUT
       PSB_IN       :TP PSB_IN
(21) Jabra EHS- secondary side 
      JABRA_TX    :TP JABRA_UTX
(24) Jabra EHS - primary side 
        EHS(jabra)_TX  : FLAT cable EHS(TX)
        JABRA_UTX(secondary signal)
(18) ASIC_1
       I2C_SCLK   :TP I2C_SCLK
       I2C_SDA    :TP I2C_SDA
(23) plantronics EHS - primary side 
       PSB_OUT(secondary signal)
       PSB_IN(secondary signal)
       PSB_IN/OUT : FLAT cable EHS(RX)
(22) Jabra EHS- secondary side 
       JABRA_RX    :TP JABRA_URX
56
KX-NT680 Series
12.2.4.
No. (25) - (32)
(25) Jabra EHS - primary side 
       EHS(jabra)_RX : FLAT cable EHS(RX) 
       JABRA_URX(secondary signal)
(26) L2SW_1
        25MOUT  :  C1039 pin
(27) L2SW_2
       E_MDCLK : TP CL2007
       E_MDIO    : TP CL2006
(28) Ethernet port_1
       1000BASE-T : JK2001/2002 Pin1
(29) Ethernet port_2
      100BASE-TX : JK2001/2002 Pin1
(30) Ethernet port_3
       10BASE-T : JK2001/2002 Pin1
(31) Ethernet port_4
      1000BASE-T : T2001/2002 Pin12
(32) Ethernet port_5
       100BASE-TX : T2001/2002 Pin12
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