Panasonic DP-1520P / DP-1820P / DP-1820E (serv.man4) Service Manual / Other ▷ View online
17
DP-1520P/1820P/1820E
SEP 2004
Ver. 1.0
LDBTHP
Toner Bottle HP Sensor Signal
LDCST2
Photo Sensor DC Drive Voltage
LDCST3
Photo Sensor DC Drive Voltage
LDCSTSEN
Photo Sensor DC Drive Voltage
LDDUX
Photo Sensor DC Drive Voltage
LDEN
Laser Control
LDFPCHK2
Photo Sensor DC Drive Voltage
LDFPCHK3
Photo Sensor DC Drive Voltage
LDFPCHK4
Photo Sensor DC Drive Voltage
LDHEX
Photo Sensor DC Drive Voltage
LDHFPE
Photo Sensor DC Drive Voltage
LDI-
Laser Diode Control -
LDI+
Laser Diode Control +
LDJAM2
Photo Sensor DC Drive Voltage
LDJAM3
Photo Sensor DC Drive Voltage
LDJAM4
Photo Sensor DC Drive Voltage
LDORI
Photo Sensor DC Drive Voltage
LDPED
Photo Sensor DC Drive Voltage
LDPHK2
Photo Sensor DC Drive Voltage
LDPHK3
Photo Sensor DC Drive Voltage
LDPHK4
Photo Sensor DC Drive Voltage
LDPSEN
Photo Sensor DC Drive Voltage
LDRRSEN
Photo Sensor DC Drive Voltage
LDSSN
Photo Sensor DC Drive Voltage
LDTF
Photo Sensor DC Drive Voltage
LDUPL2
Photo Sensor DC Drive Voltage
LDUPL3
Photo Sensor DC Drive Voltage
LDUPL4
Photo Sensor DC Drive Voltage
LDUPLSEN
Photo Sensor DC Drive Voltage
LDWTB
Photo Sensor DC Drive Voltage
LED0
PNL LED Control Signal
LED1
PNL LED Control Signal
LED2
PNL LED Control Signal
LED3
PNL LED Control Signal
LED4
PNL LED Control Signal
LED5
PNL LED Control Signal
LED6
PNL LED Control Signal
LED7
PNL LED Control Signal
LED8
PNL LED Control Signal
LED9
PNL LED Control Signal
LEDCT0
PNL LED Control Signal
LEDCT1
PNL LED Control Signal
LEDCT2
PNL LED Control Signal
LEDCT3
PNL LED Control Signal
LEDCT4
PNL LED Control Signal
LIFT1
1st Paper Tray Lift Motor Signal
Glossary of Electrical Abbreviations
Signal Name
Function
18
DP-1520P/1820P/1820E
SEP 2004
Ver. 1.0
LIFT2
2nd Paper Tray Lift Motor Signal
LIFT4
4th Paper Tray Lift Motor Signal
LIFTM2
2nd Paper Tray Lift Motor Drive Signal
LIFTM4
4th Paper Tray Lift Motor Drive Signal
MGND
Ground
MRCLH2
2nd Paper Tray Intermediate Roller Clutch Drive Signal
MRCLH3
3rd Paper Tray Intermediate Roller Clutch Drive Signal
MRCLH4
4th Paper Tray Intermediate Roller Clutch Drive Signal
N.C.
No Connection
nA3SEN
Sheet Bypass Paper Size Detection Signal
nA5SEN
Sheet Bypass Paper Size Detection Signal
nAA3S
Original Width Detection Signal
nAA3SN
Original Width Detection Signal
nAADL1
Original Length Detection Signal
nAADL2
Original Length Detection Signal
nAAPNT
Original Detection Signal
nAB1SN
Read Point Detection Signal
nAB2SN
Duplex Eject Detection Signal
nAB4S
Original Width Detection Signal
nAB4SN
Original Width Detection Signal
nACLH1
Feed 2 Roller Clutch Control Signal
nACLH2
Paper Feed Roller Clutch Control Signal
nACLH3
Inverting Roller Clutch Control Signal
nACLOCKAD1
ADF Motor Control Clock Signal
nAEJC
Original Eject Detection Signal
nAKEEP1
Reversing 1 Guide Solenoid Control Signal
nAKEEP2
Reversing 1 Guide Solenoid Control Signal
nANG
Platen Cover Angle
nAOAC
ADF Cover Open Detection Signal
nAPACHG
Release Lever Plate Solenoid Control Signal
nAPICR
Release Lever Plate Solenoid Control Signal
nAREV
ADF Exit Cover Open Detection Signal
nASTAMP
Stamp Control Signal
nASTROAD1
ADF Motor Control Strobe Signal
nATT
Attention Signal
nB4SEN
Sheet Bypass B4 Paper Detection Signal
nBDOOR
Platen Cover Open Detection Signal
nCCLH1
Feed 2 Roller Clutch Control Signal
nCCLH2
ADF Roller Clutch Control Signal
nCCLH3
Inverting Roller Clutch Control Signal
nCST2
2nd Paper Tray Detection Signal
nCTCNT
Counter Drive Signal
nCTON
Ring Detection Signal
nDADFON
ADF Option Detection Signal
nDUPACK
Duplex Print Acknowledge Signal
nDUPSEN
ADU Sensor Signal
Glossary of Electrical Abbreviations
Signal Name
Function
19
DP-1520P/1820P/1820E
SEP 2004
Ver. 1.0
nDUREQ
Duplex Print Request
nDUXSOL
ADU Solenoid Control Signal
nFLON
Inverter Ground
nFNRDT
Fan Ready Signal
nFNRDTP
PS Fan Ready Signal
nHEXSEN
Paper Exit Sensor Signal
nHFPESEN
Bypass Feed Sensor Signal
nHKOF
External Phone Off-Hook Detection Signal
nLEDACT
ACTIVE Lamp LED Control Signal
nLEDALM
ALARM Lamp LED Control Signal
nLEDDAT
DATA Lamp LED Control Signal
nLEDSLP
Energy Saver Lamp LED Control Signal
nLIFTM3
3rd Paper Tray Lift Motor Drive Signal
nLPOW1
Power Control
nLPOW2
Power Control
nMMCK
Main Motor Clock
nMMON
Main Motor Rotation Control Signal
nMMRDY
Main Motor Ready Signal
nOPDUP
Duplex Unit Detection Signal
nOPT
PNL4 Detection
nORI
Home Position Detection Signal
nOUTA
Motor Control Signal
nOUTB
Motor Control Signal
nPACK
Printer ACK Signal
nPCHK4
4th Paper Tray Paper Detection Signal
nPEDSEN
Sheet Bypass Paper Detection Signal
nPHY1
CCD CLOCK
nPHY2
CCD CLOCK
nPHYCP
CCD CLOCK
nPHYR
CCD CLOCK
nPNLRST
Panel Reset Signal
nPRDY
Printer Ready Signal
nPRGDWN
F-ROM Rewrite
nPVSYNC
Print Registration
nSACK
Scan ACK Signal
nSADFON
ADF Detection Signal
nSCNWUP
Energy Saver Signal
nSLPKY
Energy Saver Key Signal
nSREQ
Scanner Request Signal
nSTAMP
Stamp Control Signal
nTFSEN
Toner Waste Sensor
nVCNT
+24 VDC Power Supply Control Signal
nVRDY
VSYNC Reset Signal
nWAKE
FAX Wake Up Signal
nWTBSEN
Toner Waste Container Detection Sensor Signal
OP3CLK
3rd Paper Tray Motor Clock
Glossary of Electrical Abbreviations
Signal Name
Function
20
DP-1520P/1820P/1820E
SEP 2004
Ver. 1.0
OP3ENB
Option Feed FIFO Enable
OP3FCK
Option Feed FIFO Clock
OP3FDIN
Option Feed FIFO Input
OP3FLD
Option Feed FIFO Load
OP3FLT
Option Feed FIFO Latch
OP3FOT
Option Feed FIFO Output
OP3RST
Option Feed FIFO Reset
OUTA
Motor Control Signal
OUTB
Motor Control Signal
P/S
Motor Start/Stop
pADATA1A
ADF Motor Control Signal
pADATA1B
ADF Motor Control Signal
pBDA
Print BDA Signal
PCHK1
1st Paper Tray Paper Detection Signal
PCHK2
2nd Paper Tray Paper Detection Signal
PCHK3
3rd Paper Tray Paper Detection Signal
PCHK4
4th Paper Tray Paper Detection Signal
pCMLD
Line Switching Relay Drive Signal
PFCLCNT
Paper Feed Clutch Drive Signal
PMCK
Polygon Motor Clock
PMON
Polygon Motor Rotation Signal
PMRDY
Polygon Motor Ready Signal
PNLRXD
PNL Reception Data Signal
PNLTXD
PNL Transmission Data Signal
POWCNTV
Laser Power Control Signal
pPHY1
CCD CLOCK
pPHY2
CCD CLOCK
pPHYCP
CCD CLOCK
pPHYR
CCD CLOCK
PS
Parallel / Serial Data Input Select Signal
pSENTIM
Scanner LSYNC Signal
pSPCRST
SPC Reset Signal
pSPKOT
Line Dial Tone Signal
pVREQ
Print ACK Request Signal
RESETB
LCD Driver Reset Signal
RETRACE
Laser Control
RRCLCNT
Registration Roller Drive Signal
RS
Register Selection Control Signal
RSEN
Registration Sensor Signal
RW_WRB
LCD Control Signal
S/H
Sample Hold Signal
SCN0
PNL Key Signal (Scan Line)
SCN1
PNL Key Signal (Scan Line)
SCN10
PNL Key Signal (Scan Line)
SCN11
PNL Key Signal (Scan Line)
SCN2
PNL Key Signal (Scan Line)
Glossary of Electrical Abbreviations
Signal Name
Function
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