Sharp AL-2051 Service Manual page 119

Signal name
OP-CLK LED driver control
OP-DATA LED driver control
OP-LATCH LED driver control
OUTA- Scanner motor
OUTA+ Scanner motor
OUTB- Scanner motor
OUTB+ Scanner motor
PD1 PD SW sensor
PMCLK_A Polygon motor
/PMD Polygon motor
/PMRDY Polygon motor
POD POD sensor
/POFF Low voltage power
PPD1 PPD sensor
PPD2 PPD2 sensor
/PR Heater lamp
PSL Power save LED
PSW Start button control
RESET_NB Network Board
/RRS 1st transport solenoid
/RSV_SOL Reverse solenoid
RTH_IN Thermistor
SCOD SCOD sensor
SELIN1 Select signal 1
SELIN2 Select signal 2
SELIN3 Select signal 3
/SFTMT0 Shifter motor
/SFTMT1 Shifter motor
/SFTMT2 Shifter motor
/SFTMT3 Shifter motor
/SHOLD Laser
SPID SPID sensor
SPMT_0 RSPF motor
SPMT_1 RSPF motor
SPMT_2 RSPF motor
SPMT_3 RSPF motor
SPPD SPPD sensor
/SPUS Paper feed solenoid
SRJD SRJD sensor
/SRVC Reverse clutch
STROBE LED driver control
/SYNC Laser
/TC HV TC signal
TCS Toner sensor
TMA_O Toner motor
TMB_O Toner motor
UAT_CTS_NB Network Board
UAT_RTS_NB Network Board
UAT_RxD_NB Network Board
UAT_TxD_NB Network Board
USB_NB_D- Network Board
USB_NB_D+ Network Board
VCL Copy lamp
/VFMCNT Fan speed signal
VFMOUT Fusing fan
/VIDEO Laser
(VSAMP) AFE
Name
Scanner motor phase control
Scanner motor phase control
Scanner motor phase control
Scanner motor phase control
1st CS paper width sensor
Clock signal to the polygon motor
Polygon motor drive signal
Polygon motor ON/OFF detection signal
Paper transport detection
Output power control
Paper transport detection
Paper transport detection
Power relay control
RESET signal
Fusing section thermistor temperature detection
RSPF cover open sensor
HC151 select signal
HC151 select signal
HC151 select signal
Shifter motor phase control
Shifter motor phase control
Shifter motor phase control
Shifter motor phase control
Laser APC signal
RSPF UN paper entry sensor
RSPF motor phase control
RSPF motor phase control
RSPF motor phase control
RSPF motor phase control
RSPF transport detection
RSPF paper exit sensor
Horizontal sync signal from the LSU
Transfer charger grid control
Toner quantity detection
Toner motor phase control
Toner motor phase control
Copy lamp control
Fan rotation speed control
Fan drive signal
Laser drive signal
AFE control signal
AL-2051 ELECTRICAL SECTION 12 - 5
Function/Operation Section
Operation section
Operation section
Operation section
Optical drive section
Optical drive section
Optical drive section
Optical drive section
Not used
LSU
LSU
LSU
Paper exit section
Power section
Paper transport section
Fusing section
Power section
Operation section
Operation section
Network section
Paper transport section
RSPF section
Fusing section
RSPF section
Operation section
Operation section
Operation section
Shifter motor section
Shifter motor section
Shifter motor section
Shifter motor section
LSU
RSPF section
RSPF section
RSPF section
RSPF section
RSPF section
RSPF section
RSPF section
RSPF section
RSPF section
Operation section
LSU
Process section
Developing section
Toner motor drive section
Toner motor drive section
Network section
Network section
Network section
Network section
Network section
Network section
Scanner unit section
Optical section
Optical section
LSU
Scanner unit section