Panasonic Facsimile UF-590, Service Manual

Page: 58 / 298

58
nSELIN
IEEE1284 Active
(Host
→ Peripheral)
nSSR Fuser Lamp Control Signal
nSTAMPON Stamp Control Signal
nSTB
Host Clock / Data Transfer Strobe
(Host
→
Peripheral)
nS/H Sample Hold Signal
nTR0 Transfer Control Cleaning Output
nVIDEO Laser Control
nWEH Write H Signal - Low Enable
nWEL Write L Signal - Low Enable
OS Output Signal
pADF2 Feed Roller Drive Clutch Control Signal (2nd Cassette)
pBZCLK Buzzer Signal
pPNLRD Reception Signal
pPNLRST Panel Reset Signal
pPNLSD Transmission Signal
pCMLD Line Switching Relay Drive Signal
pCTON Ring Detection Signal
PE
Acknowledge Data Request / Paper Empty Condition
(Peripheral
→
Host)
pHKOF External Phone Off-Hook Detection Signal
PLH +5V Pull Up
pSPKOT Line Signal, Key Tone, Ringer
R/W Data Read/Write Select Signal
RCV (-) Handset Receiver
RCV (+) Handset Receiver
RDY / nBSY Not Used
RS Register Select Signal
RSV Not Used
SELECT
Select Signal
(Peripheral
→ Host)
SNCMN +2 VDC Power Supply
TGND Ground
TH1 Thermistor Output Signal
TH2 Thermistor Output Signal
TONER Remaining Toner Level Signal
Transfer Transfer Current: (+3
µ
A) & Cleaning Voltage: (-1500 V)
V5 +5 VDC Power Supply
nWAKUP Energy Saver Mode Enable
White (N) AC Power Supply
Glossary of Electrical Abbreviations
Signal Name Description