Block Diagram (Base Unit) - Panasonic KX-TCA151AXM Service Manual

19 BLOCK DIAGRAM (BASE UNIT)

A
TEL Jack
B
4.0V (A)
Regulator
DC Jack
4.0V
IC1
4.0V (B)
Regulator
4.0V
IC14
4.0V (B)
LED
LCD
RESn CS
A0
SCL
SI
Hook-SW
SW531
Diode Bridge Hook PSTN I/F
(Public Switched
D3
Q4,Q5
Telephone Network Interface)
DC Impedance/
AC Impedance
(option)
3.2V
Regulator Regulator
3.2V 1.8V
Q2 Q3
CN501 CN9
COL[4-0]
Key
ROW[5-0]
Serial Pin
Hook-SW
A0
SCL
LED 2 SI
LED 5
LED 3
OPERATION MAIN
NSA
P2[1]
(option)
LINE OUT
LINE_IN-
ADC0-
P2[7]
P2[0]
CIDIN+
CIDIN-
ADC1
ADC2
CIDOUT
RINGING
AVD
VDD
VDDRF
LDO2_CTRL
VDDIO
LDO1_SENSE
LDO1_CTRL
CAP
10.368MHz
VSSRF
Xtal
Xtal
JTIO
URX
UTX
P1[4]
P3[7]
SCL1
SDA1
P0[7-3]
74VHC574
DAB[15-0]
(D_FF)
ACS2
IC12
74VHC574
(D_FF)
IC13
PD1
Pin Diode
DA1
PD5
4.0V
RF1
RF
VCC_PA
Module
VCC_OC
SK
SYCL
SO SYDA
SYEN
LE
PD2 RXDSG
SYRI
RFCLK
RDI
RXDA
PD3
PAON
TDO
TXDA
RSSI RSSI
BBIC
IC2
LSR+ SP AMP
P3[1]
IC10
SC14429
MIC+
OP AMP
IC15
LSR-
MIC-
EEPROM
SCL2
(128K)
SDA2
IC3
RDn
WRn
ACS0
AD[18-1]
ACS1
P1[0]
P1[1]
P3[6]
P1[5]
KX-TCD530AXM BLOCK DIAGRAM (BASE UNIT)
SP
MIC
Handset
Jack
OE
Flash
WE
(4M)
CE
A[17-0]
IC7
DQ[15-0]