Read Panasonic KX-HDV230RU / KX-HDV230RUB Service Manual Supplement online
7
KX-HDV230 Series
4 Technical Descriptions
4.1.
Block Diagram
DDR3
1Gbyte
+5V
AFE
RGMII
DSPG DVF9929
GPIO
Flash
1Gbyte
RJ45 CON
To LAN
10/100/1000BASE-T
Ethernet I/F
12
MHz
TXD[3:0]
CRS
TX_CLK
RX_DV
RX_ER
RX_ER
RXD[3:0]
RX_CLK
COL
PHY_nRST
MDC
MDIO
MDIO
TX_EN
Audio
Main LCD
䛆Self-Labeling PCB䛇㻌
LED
Redx12,Bluex12
Redx12,Bluex12
MLCD_RST
Backlight
Main LCD
HOOK SW
HOOK_DET
Key matrix
x13
Dinamic
SPI(2)
DDR IF
+12V
DC IN
DC IN
802.3af
PoE IC
+48V
PDN
DC/DC
Power supply
DC/DC
+1.5V
ASIC_RST
ASIC_CLK
INT0
I2C(1)
I2C_SCL
I2C_SDA
HEADSET_MIN
HEADSET_SPOUT
Headset
(EHS)
BKLT1
LCD_D0
MLCD_CS
LCD_CLK
LCD_CLK
Detect
Voltage
CN
RSTN
+10.6V
Xtal
GPIO
Gigabit
Switch
with PHY
RJ45 CON
To PC
10/100/1000BASE-T
P-1
P_5
P-0
PULSE
Trans
PULSE
Trans
DC/DC
+1.1V
+3.3V
PHY_INT
INT
Handset
HSSPOUT
HSMICIN
CN
+5V
+1.5V
+5/3.3V
+3.3V
CN
SYMCLK
INT
MIC
Speaker
MIP/MIN
SPP/SPN
GPIO
DC/DC
+3.3V
+3.3V
+5V
ASIC
+5V
䛆㻹㼍㼕㼚 PCB䛇㻌
Xtal
Xtal
25
MHz
NAND IF
25MHz
+3.3V
+3.3V
USB(1)
USB(2)
SPI(1)
Internal +1.8V
Internal +1.2V
Internal +1.2V
㻴㻰㼂㻞㻟㻜㻌
㻌㻌㻮㼘㼛㼏㼗㻌㻰㼕㼍㼓㼞㼍㼙㻌
㻌㻌㻮㼘㼛㼏㼗㻌㻰㼕㼍㼓㼞㼍㼙㻌
EHS_DET
EHS
EHS_RX
EHS_TX
CN
Photo-
Coupler
Coupler
(J
abr
a &
Pl
a
n
tr
o
n
ic
s I
F
)
+5V
Self-labeling LCD
LCD_A0
SLCD_RST
Backlight
Self Labeling
LCD
LCD
BKLT2
SLCD_CS
+3.3V
CN
GPIO
PWM0
PWM1
+1.5V
CN
DSS IF
DSS_DN
DSS_RST
Static
Ringer LED
Blue x1
Blue x1
Key matrix
x28
Dinamic
+5V
LED&KEY
Static
EHS
GPIO
+12V
DSS_DP
GPIO
+12V (To DSS
DCIN0
MICBIAS
MICBIAS
MICBIAS
Change
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