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Chapter 7 Wiring Diagrams and Signal Information
7-393
Signal line name Description
XPDATA_A_Y,XPDATA_B_M,XPDA
TA_C_C,XPDATA_D_K
Pixel data signals to make Quad Beam Laser Diodes (laser
diodes for 4 colors) in ROS ASSY emit the light
MO_A_Y,MO_B_M,MO_C_C,MO_D
_K
Light quantity control signals for each color LD (laser diode)
VL1_A_Y,VL1_B_M,VL1_C_C,VL1_
D_K
Voltages for adjusting light quantity of each color LD
LD +5VDC Power supply voltage for each color LD
SOS SENSED(L) +3.3VDC
Scanning start reference signal based on the input of laser beam
to the SOS Sensor in PWBA SOS
POLYGON MOTOR ON(L)+5VDC Polygon Motor ON/OFF control signal in ROS ASSY
EEPROM DATA Write/read data to EEPROM PWB
EEPROM CLOCK Clock signal to EEPROM PWB
CRUM DATA Write/read data to CRU of PHD ASSY
CRUM CLOCK Clock signal to CRU of PHD ASSY