B. Signals And Abbreviations - Canon CP660 Service Manual

B. SIGNALS AND ABBREVIATIONS

1. Inputs to and Outputs from the DC Controller PCB
Connector Pin
J202 A20
A21
A22
A23
A24
A25
A26
A27
A28
A31
B1
B3
B4
B5
B6
B7
B8
B9
B10
B11
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
J203 A3
A4
A5
A6
COPYRIGHT © 1999 CANON INC.
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Abbreviation
LSYNC* horizontal sync signal
RDY* ready signal
CPRDY* controller power ready signal
SBSY* status busy signal
CBSY* command busy signal
SDM* data mode setting signal
SPCHG* reserved
PRNT* print signal
FP0* control panel signal 0
FP5* control panel signal 5
VCLK video clock signal
VDOE* image enable signal
VDO0* video signal
VDO1* video signal
VDO2* video signal
VDO3* video signal
VDO4* video signal
VDO5* video signal
VDO6* video signal
VDO7* video signal
CCLK* controller clock signal
TOPR* registration drive signal
PPRDY* printer power ready signal
TOP* vertical sync signal
CCRT* status change signal
STS* status signal
CMD* command signal
PFED* paper feed signal
PDLV* paper discharge signal
FP1* control panel signal 1
FP2* control panel signal 2
FP3* control panel signal 3
FP4* control panel signal 4
TR2DC secondary transfer DC (positive) bias drive signal
RVTR2DC secondary transfer DC (negative) bias drive signal
25KHz high-voltage drive frequency output signal 3
50KHzB high-voltage drive frequency output signal 2
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
APPENDIX
Name
A-7