KX-NT511PRUW, KX-NT511PRUB - Panasonic Telephone Service Manual (repair manual). Page 6

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6
KX-NT511PRUB/KX-NT511PRUW
4 Technical Descriptions
4.1.
Block Diagram
AFE
MII
DSPG DVF9919
GPIO
SDRAM
256Mbyte
Flash
1Gbyte
RJ45 CON
To LAN
10/100BASE-T
Ethernet I/F  
12
MHz
TXD[3:0]
CRS
TX_CLK
RX_DV
RX_ER
RXD[3:0]
RX_CLK
COL
PHY_nRST
MDC
MDIO
TX_EN
Audio
LCD module
Ope PCB
LED 
LCD_CS
LCD_RST
LCD
HOOK SW
HOOK_DET
Key matrix 
SPI(1)
MPMC
+5.5V
DC IN
Power supply
KEY
5 x 5 matrix
LCD_RS
LCD_SCL
LCD_DO
RSTN
Xtal
GPIO
Fast
L2 Switch
with PHY
RJ45 CON
To PC
10/100BASE-T
P_0
P_5
P_1
PULSE
Trans
PULSE
Trans
+3.3V
PHY_INT
INT
Handset
HSSPOUT
HSMICIN
+5V
+3.3V
+3.3V
CN
MIC
Speaker
MIP/MIN
SPP/SPN
GPIO
DC/DC
+3.3V
+3.3V
UART(1)
MICBIAS
LED&KEY I/F
Xtal
Xtal
25
MHz
NAND IF
25MHz
MICBIAS
+3.3V
SPI(2)
USB(1)
USB(2)
For
TEST
Internal +1.8V
Internal +1.2V
+3.3V
+1.8V
GPIO
10Port
GPIO
CONTRAST
+5V
Reset
LAN PCB
LED PCB
LED 
+3.3V
GPIO
CN
CN
Main PCB
+48V
+8V
802.3af
PoE IC
Detect
Voltage
NT511P58 Block Diagram
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