Signal Name List - Sharp AL-2020 Service Manual

3. Signal name list

Signal name
LEDPPD2 PPD2 sensor power
PPD2 PPD2 sensor
RTH_IN Thermistor
FANLK Fusing fan
MHPS MHPS sensor
/MPFS Multi bypass solenoid
/VFMCNT Fan speed signal
VFMOUT Fusing fan
/DMT_0 DUP motor
/DMT_1 DUP motor
/DMT_2 DUP motor
/DMT_3 DUP motor
LEDPOD POD sensor power
POD POD sensor
PMCLK_A Polygon motor
PMRDY Polygon motor
/PMD Polygon motor
/LDEN Laser
SHOLD Laser
/SYNC Laser
/VIDEO Laser
PD1 PD SW sensor
/MMCLK Main motor
/MMD Main motor
MMLD Main motor
TMA_O Toner motor
TMB_O Toner motor
CED1 Machine cassette detection
/CPFS1 1st CS pickup solenoid
LEDPPD1 PPD sensor power
PPD1 PPD sensor
/RRS 1st transport solenoid
BZR Buzzer signal
DRST Drum reset detection
KEYIN Key scan input
KEYIN1# Key scan input
KEYIN2# Key scan input
KEYSC1 Key scan output
KEYSC2 Key scan output
KEYSC3 Key scan output
LCDCON LCD control signal
LCDDB4 LCD data signal
LCDDB5 LCD data signal
LCDDB6 LCD data signal
LCDDB7 LCD data signal
LCDE LCD control signal
LCDRS LCD control signal
ONL Online LED
OP-CLK LED driver control
OP-DATA LED driver control
OP-LATCH LED driver control
PSL Power save LED
PSW Start button control
SELIN1 Select signal 1
SELIN2 Select signal 2
SELIN3 Select signal 3
STROBE LED driver control
OUTA+ Scanner motor
OUTA- Scanner motor
OUTB+ Scanner motor
OUTB- Scanner motor
(ADCLK) AFE
(AFE_DB0) AFE
(AFE_DB1) AFE
(AFE_DB2) AFE
Name
Paper transport detection
Fusing section thermistor temperature detection
Fan lock detection signal
Carriage HP detection
Fan rotation speed control
Fan drive signal
DUP motor phase control
DUP motor phase control
DUP motor phase control
DUP motor phase control
Paper transport detection
Clock signal to the polygon motor
Polygon motor ON/OFF detection signal
Polygon motor drive signal
Laser circuit control signal
Laser APC signal
Horizontal sync signal from the LSU
Laser drive signal
1st CS paper width sensor
Clock signal to the polygon motor
Polygon motor drive signal
Polygon motor ON/OFF detection signal
Toner motor phase control
Toner motor phase control
Paper transport detection
Buzzer
CRU initial detection
Key detection control
Key detection control
Key detection control
Key scan output
Key scan output
Key scan output
Signal for LCD
Signal for LCD
Signal for LCD
Signal for LCD
Signal for LCD
Signal for LCD
Signal for LCD
HC151 select signal
HC151 select signal
HC151 select signal
Scanner motor phase control
Scanner motor phase control
Scanner motor phase control
Scanner motor phase control
AFE control signal
Image scan data
Image scan data
Image scan data
AL-2020/2035/2040/2050/2060 ELECTRICAL SECTION 13 - 6
Function/Operation Section
Fusing section
Fusing section
Fusing section
Optical section
Optical section
Optical section
Optical section
Optical section
Duplex drive section
Duplex drive section
Duplex drive section
Duplex drive section
Paper exit section
Paper exit section
LSU
LSU
LSU
LSU
LSU
LSU
LSU
Not used
Main drive section
Main drive section
Main drive section
Toner motor drive section
Toner motor drive section
Paper transport section
Paper transport section
Paper transport section
Paper transport section
Paper transport section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Operation section
Optical drive section
Optical drive section
Optical drive section
Optical drive section
Scanner unit section
Scanner unit section
Scanner unit section
Scanner unit section