Panasonic UF-6300 / UF-6200 / UF-5300 (serv.man3) Service Manual / Other ▷ View online
29
2 Signal Waveform
2.1.
Glossary of Electrical Abbreviations
Glossary of Electrical Abbreviations
Signal Name
Description
+24V
+24 VDC Power Supply
+24VD
+24 VDC Power Supply
+24VM
+24 VDC Power Supply (Motors)
+3.3V
+3.3 VDC Power Supply
+5V
+5 VDC Power Supply
+5VP
+5 VDC Pilot Power Supply (Sleep Mode)
-5V
-5 VDC Power Supply
A1-A22
Address Signal
ACTIVITY
LAN PCB Activity Signal
AGND
Ground
Black (L)
AC Power Supply
Charge
Charge Current: 200
µA (AC 300 Hz Sine Wave) & DC Charge Voltage
D0-D15
Data Signal
DATA0-DATA7
Data Signal
DB0-DB7
Data Signal
Development
Development Voltage (AC 1.65 kHz Square Wave) & DC Voltage
DOS
Output Signal
E
Data Read/Write Enable Signal
FCK1
Shift Register Clock
FCK2
Shift Register Clock
FG
Ground
FR
Reset Signal
FSG
Data Transfer Enable Signal
GLED
GND for LED
GND
Ground
HLIN1
Line Signal for the Fax Handset
HLIN2
Line Signal for the Fax Handset
L+5V
Laser Circuit +5 VDC Power Supply
L1 (R)
Line Signal
L2 (T)
Line Signal
LDRE
Timing Sensor and No Cassette Sensor LED Drive Current
LDSC1
No Cassette Sensor LED Drive Current
LDSP1
No Paper Sensor LED Drive Current
LINK
LAN PCB Link Signal
MGND
Ground
MIC (-)
Handset Microphone
MIC (+)
Handset Microphone
MMnA
Motor Drive Signal
MMnB
Motor Drive Signal
MMpA
Motor Drive Signal
MMpB
Motor Drive Signal
MTnA
Stepping Signal
MTnB
Stepping Signal
30
MTpA
Stepping Signal
MTpB
Stepping Signal
nACK
Peripheral Clock / Data Transfer Acknowledge (Peripheral
→Host)
nADF1
Paper Feed Roller Solenoid Control Signal
nADF2
Paper Feed Roller Solenoid Control Signal
nBPNT
Read Point Detection Signal
nCCHK1
No Cassette Detection Signal
nCCHK2
No Cassette Detection Signal (2nd Cassette)
nCE1
+5 VDC Power Supply
nCE2
Low Enable
nCR1
Charge Control DC Output
nCRCK
Charge Control DC Output
nDRCK
Development +AC Clock
nESEN
Paper Exit Signal
nFAULT
Fan Ready Signal
nHSYNC
Horizontal Synchronous Signal
nLDON
Laser Control
nLEDON
LED Enable Signal
nMPOFF
Energy Saver Mode Control Signal
nOE
Read Signal - Low Enable
nOP
2nd Feeder Unit Detection Signal
nPCHK1
No Paper Sensor Detection Signal
nPCHK2
No Paper Detection Signal (2nd Cassette)
nPMCK
Tetragon Motor Clock
nPMON
Tetragon Motor Control Signal
nPMRY
Tetragon Motor Ready Signal
nPWSAVE
Energy Saver Mode Transport Signal
nRSEN
Timing Sensor Detection Signal
nSSR
Fuser Lamp Control Signal
nSTAMPON
Stamp Control Signal
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
Glossary of Electrical Abbreviations
Signal Name
Description
31
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
µA) & 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
32
2.2.
SC PC Board
CN1
CN3
CN4
SC PCB
Pin No.
Signal
Name
Destination
Signal Waveform
Function
CN1-1
+24V
LED Array
+24 VDC Power Supply
CN1-2
nLEDON
LED Array
LED Enable Signal
SC PCB
Pin No.
Signal
Name
Destination
Signal Waveform
Function
CN3-1
+24V
Stamp
Solenoid
Solenoid
+24 VDC Power Supply
CN3-2
N.C.
Not Used
CN3-3
nSTAMPON Stamp
Solenoid
Stamp Control Signal
SC PCB
Pin No.
Signal
Name
Destination
Signal Waveform
Function
CN4-1
+24V
PNL1 PCB
CN50-1
CN50-1
+24 VDC Power Supply
CN4-2
GND
PNL1 PCB
CN50-2
CN50-2
Ground
CN4-3
GND
PNL1 PCB
CN50-3
CN50-3
Ground
CN4-4
+5V
PNL1 PCB
CN50-5
CN50-5
+5 VDC Power Supply
CN4-5
+5VP
PNL1 PCB
CN50-4
CN50-4
+5 VDC Pilot Power Supply,
that provides power to the
active components during
the Sleep Mode.
that provides power to the
active components during
the Sleep Mode.
+24V
Approx. +13V(H)
0V(L)
LED Off
LED On
+24V
+24V
Stamp Off
Stamp On
0V
+24V
0V
0V
+5V
+5V
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