Read Panasonic KX-FL423RU Service Manual online
15
KX-FL423RU-B / KX-FL423RU-W
6 Technical Descriptions
6.1.
Connection Diagram
1 2 3 4 5
7 6 5 4 3 2 1
1
2
1
2
3
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
CN104
CN105
CN113
CN102
CN103
CN107
CN110
1 2 3 4 5
CN106
CN106
CN402
CN401
CN300
1
2
3
CN114
MAIN
BOARD
HVPS
SMPS
OPERATION PANEL
BOARD
LCD
LSU
PICKUP
SOLENOID
TO
TELEPHONE
LINE
TO
EXTERNAL
TELEPHONE
1 2 3 4 5 6 7 8
CN601
9 8 7 6 5 4 3 2 1
10
CN651
24V
24V
GND
GND
GND
5V
GND
GND
5V
CN101
24V
-
GND
-
GND
CHG
DEV
TRS
DEV
TRS
TOPCVR
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
CN1
LIVE
NEUTRAL
NEUTRAL
COVER OPEN SW
SW1
TRA
OPC
DEV
CHG
GND
FANDET
FANON
FANDET
FANON
GND
PICK
PICK
POLCLK
XREAD
Y
POLON
GND
24V
XHSYNC
GND
5V
XAPC
XLDEN
XVIDEO
GND
DC FAN
TRANSFER
ROLLER
OPC
DRUM
DRUM UNIT
1 2 3 4 5 6 7 8
THRM2
KST
AR
T
KTXD
KSCLK
OPERST
DG
5V
RPS
DB7
DB6
DB5
DB4
E
R /
W
RS
V0
VDD
VSS
DEVELOPING
ROLLER
TONER SUPPLY
ROLLER
1 2 3
TONER
SENSOR
CN511
IC512
REGIST
SENSOR
PS531
HEAT LAMP
THERMOSTAT
THERMOSTAT
THERMISTOR
1 2 3 4
CN111
1 2 3 4
PS501
EXIT SENSOR
CN502
1
2
3
CN501
THRM
THR
FUSER
UNIT
VARISTOR
BOARD
GND
PICK
SPRX
SPMUTE
HSTX
HSRX
AG
RLY
CN405
HOOK SW
1
2
2
CN406
Speaker
HSMIC+
4
HSSP-
3
2
No
HSSP+
HSMIC-
1
NAME
NAME
No
CN403
HANDSET
SP+
SP-
SP-
SCAN
MOTOR
COM
XB
XA
B
READ
POSITION
Sensor
DOCUMENT
SW
SW641
PS601
CIS MODULE
CIS MODULE
GND
3.3V
SI
3.3V
SI
GLED
VLED
VLED
SIG
CLK
1
3
2
4
1
3
5
2
4
6
THRM1
GND
LED
POUT
3.3V
TNREMP
GND
1
2
3
4
2
3
4
CN101
MAIN
MOTOR
A
B
XB
XA
A
CN531
1 2 3 4
CN112
1 2 3 4
REGIST
GND
+3BA
T
3.3V
PWRDWN
HTRCTL
1
2
3
4
5
6
7
8
1 2 3 4
CN403
CN1
AC POWER
HVERR
GRID
BATTERY
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
P-SHORT/RLY2
BELL/CPC
GND
+5V
LINERX
LINETX
MONRX
DCN
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
HOOK
GND
GND
CN671-1
CN671-2
ANALOG BOARD
CN407
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