Kx-Tem824La 2Ap Block Diagram; Kx-Tes824La/Kx-Tem824La Power Supply Unit Block Diagram - Panasonic KX-TES824LA Service Manual

KX-TES824LA / KX-TEM824LA /
9.4.

KX-TEM824LA 2AP BLOCK DIAGRAM

Exp308
(2AP)
/Exp208
(3AP)
Card
EXP
CONNECTOR
CN501, CN502
9.5.

KX-TES824LA/KX-TEM824LA POWER SUPPLY UNIT BLOCK DIAGRAM

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