Sharp JX-8200 Service Manual page 195

SHARP SERVICE MANUAL JX8200SM [13] ELECTRICAL SECTION
NAME
KTMB Toner motor drive signal B (Black) (Pulse signal)
KTMDA Black toner motor control signal A (Clock)
KTMDB Black toner motor control signal B (Clock)
KTMGA Black toner motor drive control signal A (Pulse signal)
KTMGB Black toner motor drive control signal B (Pulse signal)
LDON_ Laser diode ON signal (At LOW, the laser diode is ON.)
LEND_ Laser beam position detection laser diode ON signal
LSUCLK Scanner motor clock signal (This signal determines the scanner motor rpm.)
MBSON_ Developing bias ON signal (Magenta) (At LOW, the bias voltage for developing is outputted.)
MCCOM Drum motor drive power (+24V)
MCON_ Main charger ON signal (ON at LOW)
MDSEN Toner concentration sensor detection signal (Magenta) (The output voltage is inversely
proportional to toner concentration.)
MMA Drum motor drive signal A (Pulse signal)
MMA_ Drum motor drive signal A_ (Pulse signal)
MMAGC_ Developing clutch drive signal (Magenta) (Drive at LOW)
MMB Drum motor drive signal B
MMB_ Drum motor drive signal B_
MMD Drum motor drive clock signal
MMDA Drum motor drive control signal A (Pulse signal)
MMDA_ Drum motor drive control signal A_ (Pulse signal)
MMDB Drum motor drive control signal B (Pulse signal)
MMDB_ Drum motor drive control signal B_ (Pulse signal)
MTCONS_ Toner supply clutch solenoid drive signal (Magenta) (Drive at LOW)
OHP IN OHP sheet detector detection signal (Detection at HIGH)
OHP JAM_ Separation jam detector signal (Detection at LOW)
OILSN Fusing oil sensor detection signal (Oil empty detection at HIGH)
OP_E LCD display ON signal (Enable signal)
OP_LEN LED display ON signal (Enable signal)
OP_RS LCD register select signal (For LCD controller IC internal register)
OP_RW LCD read/write signal (For ICD controller IC internal buffer)
OP_SWD_ Operation panel key switch date signal
PAGAK_ Page ack signal When PAGE signal sent from ICU is received by PCU, this signal is sent
back from PCU to ICU.
PAGE_ Print start request signal Kept at LOW while print data of one sheet is sent from ICU to
PCU. One output for every sheet of print.
PCD OPC drum unit installation detection signal (Installation detection at HIGH.)
PCF_ OPC drum unit fuse cut drive signal (Used to blow the fuse at LOW.
PCFN OPC drum unit fuse cut detection signal (Used to check the fuse to detect that the
developing unit is a new one or not. HIGH when new one.)
PE Paper empty detector signal (Standard paper feed unit) (Detection at HIGH)
PFCOM Paper feed motor drive power (+24V)
PFMA Paper feed motor drive signal A (pulse signal)
PFMA_ Paper feed motor drive signal A_ (pulse signal)
PFMB Paper feed motor drive signal B (pulse signal)
PFMB_ Paper feed motor drive signal B_ (pulse signal)
PFMD Paper feed motor drive signal (Drive at LOW)
PFMD Paper feed motor drive clock signal
PFMDA Paper feed motor drive control signal A
PFMDA_ Paper feed motor drive control signal A_
PFMDB Paper feed motor drive control signal B
PFMDB_ Paper feed motor drive control signal B_
PIN_ Paper detector signal (in front of register) (Detection at LOW)
PMD_ Scanner motor ON signal
PMTLK_ LOW when the scanner motor rotation reaches the specified level (norma speed).
PDFF_ Power ON/OFF detection signal (Used to monitor 5V power and to recognize ON/OFF of the
power.)
DESCRIPTION
13 – 36
SIGNAL KIND
DRIVE
CONTROL (CLOCK)
CONTROL (CLOCK)
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL (CLOCK)
CONTROL
POWER
CONTROL
SENSE (ANALOG)
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
CONTROL (CLOCK)
CONTROL
CONTROL
CONTROL
CONTROL
DRIVE
DETECT
DETECT
SENSE
CONTROL
CONTROL
SELECT
CONTROL
DATA
MONITOR
MONITOR
DETECT
DRIVE
DETECT
DETECT
POWER
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
CONTROL (CLOCK)
CONTROL
CONTROL
CONTROL
CONTROL
DETECT
CONTROL
MONITOR
MONITOR