
7 BLOCK DIAGRAM
SDRAM
IC4
IC14
IC15
IC11
CODEC
MAC
Mll1
IC3
FLASH
IC7
IC2
IC1
VoIP /DSP
Reset
RESETn
INT
IC12
3.3V
LCD
JK2
HD JK
JK3
IC16
RJ11
CN3
MIC
SP
CN4
IC10
Reg.
IC9
C148
C149
Reg.
Super
IC8
DC Alarm
IC5
DC/DC
RJ45
Ethernet I/F
Ethernet
To LAN
10/100Base-T
IC6
PoE Controller
+9v
+48v
+5.0v
+1.8v
+3.3v
JK4
JK1
Trans
DC IN
T1
25.00
X2
8.192
MHz
GPIO
GPIO
GPIO
SIO
GPIO
GPIO
GPIO
GPIO
Headset
X1
(for LCD )
(for DSP )
nRST PHY
TX_EN
MIC SW
Mute SP2
Mute SP1
HSIN
HSOUT
MICIN
SPOUT
Mute SP0
TX_ER
TX_CLK
RX_CLK
RX_DV
RX_ER
RXD[3:0]
TXD[3:0]
CRS
COL
Handset
KEY/LED/LCD
Analog I/F
Power I/F
KEY
LED
(Dynamic)
(Matrix)
(16 x 1)
5.0V
to
IC
(+4.5V)
3.3V
1.8V
CAP
MHz
PHY
D5V
LCD_SCK,LCD_DATA,LCD_STB
LCD_CONT1,LCD_CONT2
KEYIN[5:0],KEYOUT[5:0]
CO[8:3]R,CO[8:3]G
CO[2:1]R,CO[2:1]G
MES_R,ANS,DIAL,ICM,SP
12
12
3
5
9
IC13
S/P
BU209
12bit
Data Bus
Address Bus
KX-NT265
X
/KX-NT265
X
-B : BLOCK DIAGRAM
KX
-N
T
265
X
/
KX
-NT
265X
-B
10
Содержание KX-NT265X
Страница 14: ...KX NT265X KX NT265X B 14 ...
Страница 17: ...17 KX NT265X KX NT265X B ...
Страница 18: ...9 TROUBLESHOOTING GUIDE 9 1 NO OPERATION 18 KX NT265X KX NT265X B ...
Страница 19: ... Note Refer to waveform 1 3 and 6 in 17 4 WAVEFORM P 48 19 KX NT265X KX NT265X B ...
Страница 20: ...20 KX NT265X KX NT265X B ...
Страница 21: ...9 2 LCD DOES NOT OPERATE Note Refer to waveform 4 in 17 4 WAVEFORM P 48 21 KX NT265X KX NT265X B ...
Страница 22: ...9 3 HANDSET DOES NOT WORK Receive Send 22 KX NT265X KX NT265X B ...
Страница 23: ...9 4 HEADSET DOES NOT WORK Receive Send 23 KX NT265X KX NT265X B ...
Страница 24: ...9 5 SPEAKER PHONE DOES NOT WORK Receive Send 24 KX NT265X KX NT265X B ...
Страница 26: ...9 7 LED DOES NOT LIGHT Note Refer to waveform 13 in 17 4 WAVEFORM P 48 26 KX NT265X KX NT265X B ...
Страница 35: ...11 TERMINAL GUIDE OF ICs TRANSISTORS AND DIODES 35 KX NT265X KX NT265X B ...
Страница 37: ...13 CABINET AND ELECTRICAL PARTS LOCATION 37 KX NT265X KX NT265X B ...
Страница 38: ...14 ACCESSORIES AND PACKING MATERIALS 38 KX NT265X KX NT265X B ...
Страница 50: ...IC13 pin2 DATA IC13 pin3 CLK IC13 pin4 LCK 13 LED CIRCUIT 50 KX NT265X KX NT265X B ...