Panasonic KX-TES824LA - KX-TEM824 LA 2 AP Block Diagram; KX-TES824 LA;KX-TEM824 LA Power Supply Unit Block Diagram

9.4. KX-TEM824LA 2AP BLOCK DIAGRAM
Q1- 4,TOE1,2,STD1,2
CROSS
POINT
DTMFR(1,2)
(For EXT)
PIO
ASIC
(I/O)HOOK9-16,BELL9-16
CO4-6
EXT9-16
(I/O)
Exp308
(2AP)
/Exp208
(3AP)
Card
EXP
CONNECTOR
CO4-6
(APT i/f)PRX2,PTX2,PTXE1-3
CID4-6
Host i/f
CO4
CO5
CO6
EXT9
EXT11
EXT10
EXT12
EXT13
EXT14
EXT15
EXT16
KX-TEM824LA 2AP BLOCK DIAGRAM
IC10
CN501, CN502
IC510, IC511
IC500, IC501, IC502
9.5. KX-TES824LA/KX-TEM824LA POWER SUPPLY UNIT BLOCK DIAGRAM
Noise
Filter
Rectification
&
Smoothing
Controller
Over
Current
Detection
Rectification
&
Smoothing
Voltage
Detection
DC-DC
Converter
Ringer
Amplifier
FG
SW
(14)
Battery
Back up
+24V
GND
+27V
GND
+15V
-15V
3.3V
OUTPUT
AC75V 25Hz
INTPUT
20/25Hz
AC
Alarm
AC IN
L
N
AC Input
Power
Down
Detection
Primary Circuit
Secondary Circuit
Surge
Absorber
KX-TES824LA/KX-TEM824LA POWER SUPPLY UNIT BLOCK DIAGRAM
CN1
F1
F2
Z1
L1, L2
D10~D13, C5
D31
D32
Q22
Q23
Q2
Q1
PC1
T1
D101, C101
PC31
IC601
Q201, T2, IC201
CN301
Q101
Q503
RL501
Q503
RL501
18
KX-TES824LA / KX-TEM824LA /