Canon PC300 Service Manual page 110

By
}
ea
&. SIGNALS/ABBREVIATIONS LIST
What follows below is a list of signals and abbreviations used in the chapters of the manual
and circuit diagrams.
The abbreviations within parentheses represent analog signals, which cannot be expressed
in terms of '1' or '0'.
i. Signals
ACBTP
[AE]
CBSD
DCBPWM
DCTPWM
DGTO
DGT1
DGT2
HTRD
HVPAC
HVPDG
HVPHO
HVTDC
KEYRO
KEYR1
LAPWM
[LID]
MMCLK
MMD
PWOFF
PWSON
PUSD
RELAYED
RGSD
[TH4]
TREV
VPEAK
ZXDP
AC BIAS TIMING PULSE command
AE signal
COPYBOARD DRIVE SOLENOID DRIVE command
DC BIAS CONTROL command
TRANSFER DC BIAS CONTROL. command
OSCILLATION signal 0
OSCILLATION signal 1
OSCILLATION signal 2
FIXING HEATER DRIVE command
PRIMARY AC BIAS ON.command
PRIMARY DC BIAS ON command
PRIMARY DC BIAS HIGHOUTPUT command
TRANSFER DC BIAS ON command
RETURN signal 0
RETURN signal 1
LAMP DRIVE command
LAMP INTENSITY DETECTION signal
MAIN MOTOR CLOCK PULSE signal
MAIN MOTOR DRIVE command
POWER OFF command
POWER SWITCH ON signal
PICK-UP ROLLER SOLENOID DRIVE command
RELAY DRIVE command
REGISTRATION SOLENOID DRIVE command
THERMISTOR signal 1
TRANSFER REVERSE DC BIAS ON command
VOLTAGE PEAK DETECT signal
ZERO CROSS DETECTION signal
COPYRIGHT © 1994 CANON INC. CANON PC300/220325, FC210/230 REV.0 JULY 1904 PRINTED IN JAPAN (IMPRIME AU JAPON) A-3