Kx-Tea308Ne Co Block Diagram; Kx-Tea308Ne Power Supply Unit Block Diagram - Panasonic KX-TEA308NE Service Manual

9.4.

KX-TEA308NE CO BLOCK DIAGRAM

9.5.

KX-TEA308NE POWER SUPPLY UNIT BLOCK DIAGRAM

AC IN
Z1
FUSE
L
F1
Surge
N
Protector
CN1
FG
Primary
D10 ~ D13
L1 C5
Rectifier
Noise
&
Filter
Smoother
IC1
Control
Circuit
R30, R31
Over
Current
Detection
Secondary
D101, C101
Rectifier
Voltage
&
Detection
Smoother
IC101
PC1
Q1
KX-TEA308NE POWER SUPPLY UNIT BLOCK DIAGRAM
17
RL501
Q503
Battery
Back-up
Adaptor
SW
+27V
GND
IC201
+15V
DC-DC
Converter
IC301
DC-DC
Converter
+3.3V
KX-TEA308NE
+24V
GND