Panasonic KX-T7665NE Service Manual page 38

H/S Jack
JK3
SP
CN1
MIC
CN2
EEPROM
SCL,SDA
IC5
~
LCD-D4 7
E,W,RS
TO
LCD
3.3V 5.0V
IC8,D63
(CN5)
MAIN P. C. Board
DX
DR
Speaker
BCLK
CODEC
Phone
FS
IC4
IC3
SCK,DATA
CPU
IC6
WEN,REN,INTN
Key
SW1~32
OSR
OSX
OEP0
OCK
X1
ASIC
Reset
IC2
IC7
~
DB0 7
~
ADR0 5
Hook SW
Data
Communication
T1
PDX0
Q1
PDX1
PDR
Data
Q4
Communication
DDX0
Q2
Q3
DDX1
Q6
DDR
Q5
Power
D3V
A3V
Q21,L21
LED
~
NROW0 3
~
CLM0 5
D32~D42
Q31~Q35
KX-T7665NE / KX-T7665NE-B : BLOCK DIAGRAM
TEL Jack
JK1
JK2
DXDP Jack
IC1
LED
CN3-CN4
D43
D44