Read Panasonic KX-UT670RU Service Manual online
7
KX-UT670RU
4 Technical Descriptions
4.1.
Block Diagram
JACK PCB
GND
RJ45
MAIN PCB
KX-UT670
RU
(Smart Desk Phone) Block Diagram
+3.3V
IC1
Broadcom BCM1
1
107 436pin FBGA
EPHY0 TD0-4
CN
pin
CN
pin
LCD
SP
MIC
SP
MIC
To
Handset
JK601
IC301
SP
Amp
IC
18
SP
MIC
JK602
To
Headset
R0-8,G0-8,B0-8
3port GbE
Switch
UAR
T
Keyscan
Controller
ARM1
176JS
500MHz
T
eakLite III (DSP)
333MHz
Int.LDO
2.5V @ 100mA
Filter
/EQ
Filter
/EQ
Sidetone
DAC
ADC
Filter
/EQ
Filter
/EQ
Sidetone
DAC
ADC
Bus
Bridge
CH-A
CH-B
Puls T
rans
RJ45
Puls T
rans
EPHY1 TD0-4
GbE PHY
/MAC
0
GbE PHY
/MAC
1
Speaker
Phone
CS,RAS,CAS,WE,CKE
+1.8V
+1.2V
+3.0V
+2.5V
APM
DE,DOTCLK,RESETB,LR
V0-6N,V0-6P
,VCOM
VGH,VGL,VDDP
,VDDN
T
-con Circuit
DQ[7:0],A[13:0],A14
CK0(1)-P/N,LDM,UDM,
DQS0-P/N,DQS1-P/N
ODT
DDR2
Interface
B/L
Int.DC/DC
1.8V @ 1A
Int.DC/DC
1.2V @ 1A
NVI
Interface
IC302
PWM
UP-CON
DC JACK
IC1
1/+5.0V_2
USB
IC401
Hi-Side SW
+5.0V
A/D
I2C
SD Card
GPIO
LED
(SP-PHONE)
HOOK SW
IC701
Illumination
sensor
T
ouch
Screen
IC2
DC/DC Con/PoE
IC10/+5.0V
IC403
ASIC
IC202
DDR2
1Gbit(128MB)
T3
T1
T2
LED
(Incoming Bell)
CN401
JK401
CN301
CN303
+3.3V
CN302
T
ouch
Panel
LAN Port
PC Port
IC5
CO-PRO
+3.3V
+3.3V
X404
25MHz
X301
19.2MHz
+5.0V_2
+5.0V_2
+1.8V
+3.3V
MIC PCB
IC9/+3.3V
HOOK PCB
JK603
EHS
JK603
JK3
JK1
JK2
LCD
Controller
MOS FET
x2
MOS FET
x2
JACK PCB
IC201
NAND FLASH
Int.LDO
3.0V @ 100mA
IC203
DDR2
1Gbit(128MB)
USB 2.0
Host
SDIO Host
Port
LCD
Backlight
IC402
POR_RST_B
RST_B
EHS
Interface
X301
32.768kH
z
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