Panasonic KX-UT670RU Service Manual ▷ View online
5
KX-UT670RU
2.1.1.
Suggested PbF Solder
There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper,
(Sn+Ag+Cu), you can also use Tin and Copper, (Sn+Cu), or Tin, Zinc, and Bismuth, (Sn+Zn+Bi). Please check the manufac
turer's specific instructions for the melting points of their products and any precautions for using their product with other
materials.
The following lead free (PbF) solder wire sizes are recommended for service of this product: 0.3mm, 0.6mm and 1.0mm.
(Sn+Ag+Cu), you can also use Tin and Copper, (Sn+Cu), or Tin, Zinc, and Bismuth, (Sn+Zn+Bi). Please check the manufac
turer's specific instructions for the melting points of their products and any precautions for using their product with other
materials.
The following lead free (PbF) solder wire sizes are recommended for service of this product: 0.3mm, 0.6mm and 1.0mm.
2.2.
Discarding of P. C. Board
When discarding P. C. Board, delete all personal information such as telephone directory and caller list or scrap P. C. Board.
6
KX-UT670RU
3 Specifications
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
8
KX-UT670RU
4.2.
Power Supply Circuit
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