Text preview for : 07_01_02.pdf part of PANASONIC KX-FL403 SERVICE MANUAL
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LCD
CN101
VSS VDD V0 RS R/W E DB4 DB5 DB6 DB7
P.F SENSOR DOC.SENSOR
CN102
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7
1 2 3 4 5 6 7 8 9 10
HOOK SW
THERMISTOR
OPERATION PANEL BOARD
CIS
AC POWER
SCAN MOTOR
A B XA XB COM RPS THERM2 KSTART KTXD KSCLK OPERST GND +5V SIG GND +5VD SI CLK GLED VLED COM XB XA B A
AC(N) 3
AC(L)
TO TELEPHONE LINE
CN206 CN207
1 2 3 4 5 6
TO EXTANT TELEPHONE
CN202
R1 T1 -
T R -
ANALOG BOARD
No 27 25 23 21 19 17 15 13 11 9 7 5 3 1 NAME BREAK/CDL_RXD SP_MUTE VOL0/MURA1 VOL1/F_MUTE -5V VOL2/CRESET MODEM_RX_IN TONE MODEM_TX_OUT NC VOX/NISHI1 MIDATA/CDL_RTS MICLK/CDL_CTS MILATCH/CDL_TXD No 28 26 24 22 20 18 16 14 12 10 8 6 4 2 NAME +24V +5VA AG DG DG +4V +4V P_SHORT/T-ON_OFF DCN LIN_RLY/T-PAT1 LIN_RLY/T-PAT0 BELL EXTHOOK/POL_N HS_ALC/POL_P
1 2 3 4
HSSP+ HSMICHSSPHSMIC+
CN106
CN110
CN107
CN102 CN115
1
No 2 4 6 8 10 12 14 16 18 20 22 24 26 28 NAME BREAK/CDL_RXD SP_MUTE VOL0/MURA1 VOL1/F_MUTE -5V VOL2/CRESET MODEM_RX_IN TONE MODEM_TX_OUT NC VOX/NISHI1 MIDATA/CDL_RTS MICLK/CDL_CTS MILATCH/CDL_TXD No 1 3 5 7 9 11 13 15 17 19 21 23 25 27 NAME +24V +5VA AG DG DG +4V +4V P_SHORT/T-ON_OFF DCN LIN_RLY/T-PAT1 LIN_RLY/T-PAT0 BELL EXTHOOK/POL_N HS_ALC/POL_P
CN101
+24V +24V PG PG DG +5V +4V +4V HTRCTL PDWN 1 2 3 4 5 6 7 8 9 10
CN214
28
1 2 3 4 5 6 7 8 9 10
SMPS
HEATER
CN1
1
TO HANDSET
1 2 3 4 5
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7
1
1 2 3 4 5 6
CN2
FG
AC(N)
3
CN204
1
1 2
28
DIGITAL BOARD
RESIST SENSOR
1 2 3 1 2 3 4 1 2
Speaker
GND FANDET FANON A XA B XB PICKUP GND
PAPER SENSOR
CN103
1 2 3 4 5 6 7 8 +24V GND CHG DEV TRS HVERR TOPCVR DRUM
CN1
1 2 3 4 5 6 7 8
CN113
CN112 CN111 CN114
1 2 3
No 1 2 3 4 5 6 7 8
NAME +5VD TXD RXD RTS CTS DSR DTR GND
CN101
CN109
CN105
1 1 2 3 4 5 8
CN104
1 2 3 4 5 6 7
1 2 3 4 5
COVER OPEN SW (HVPS POWER SW)
THRM1 GND LED POUT CTL
+5V TNREMP GND
POLCLK XREADY POLON DG +24V
XHSYNC GND +5V XAPC XLDEN XVIDEO DG
TO PC PROGRAM WRITER
HVPS
LSU
PICKUP SOLENOID TRANSFER ROLLER TRA OPC
GEAR UNIT
OPC DRUM
DEV
CN50
XB B XA A
MAIN MOTOR
1 2 3
DEVELOPING ROLLER
DRUM SW GRID
TONER SENSOR (Hall IC) DC FAN
DRUM UNIT
CHG
THERMO STAT THERMO STAT HEAT LUMP
HEATER BOARD
CN52 5 4 3 2 1
SENSOR BOARD
1 2 3
CN51
THERMISTOR
THRM1 GND
EXIT SENSOR
FUSER UNIT