Panasonic KX-DT543-B - 4 Technical Descriptions; 4.1 Block Diagram

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KX-DT543/KX-DT543-B/KX-DT546/KX-DT546-B
4 Technical Descriptions
4.1. Block Diagram
CN400
CN160
CN460
Q301
PDX0
PDX1
PDR
T300
DDX0
DDX1
DDR
V DD33
X301 16.384M
DCX81 IC410
X410 13.824M
SP
MIC
SPP / SPN
MICP / MICN
SP
MIC
Handset JACK
HSSPOUTP
HSMICINP / HSMICINN
Headset JACK
1.2V
Serial Flash IC401
QSPI
D0 D3
CS S#
SPIM
A0 DO CLK CS RST
LCD
White Back-light
KEYIN0-7
V CC33/V CCA 33
V CC33
V CC33
ASIC2 IC150
EHS Circuit
IC170 IC171 IC172 IC173
SCL SDA INT RST
( Headset DET )
3.3V
Main PCB
SPI2
PCM(IPINT)
DI DO CLK CS
TXD RXD FSYNC SCLK
INTN RST
LCD_PWR
To PBX
To TEL
JK300
JK301
D300
DPT
i/f
COMP
Q331 Q332
COMP
PCM
i/f
SPI2
i/f
PBX
i/f
Pow e r
IC510 L309
Q303
Q304GPIO i/f
DG
V CCA 33
V CC33
DG
ASIC1 IC300
Ope PCB
I2C
DET TX RX
UTX URX
EHS
To Wired Headset
HEADSETMIC HEADSP
To Wireless Headset
(Jabra,Plantronics)
Headset JACK
JK501
Handset
LED_STB0-7
LED_COM0-7
Q110-117
3.3V
CK4M
4.5V
LCD_BL
DG
8
8
8
UA RT
3.3V
V CC33
HOOK
Hook SW
CO LED 24x 2
Function LED 5
Num Key 12 CO Key 24 Function Key 22
DG
3.3V
JK160
JK302
Q460
Q104