76
Main Function
Controls centronics I/F
Controls serial I/F
Port Explanation
(1) A0-A5(Input): Address bus.
(2) D0-D7(I/O): Data bus.
(3) XCSIN(Input): Chip select.
(4) XRD, XWR(Input): Read signal, write signal.
(5) INTREQ(Output): "High" for centronics I/F initial input.
(6) DTXREQ(Output): "High" for centronics I/F data input.
(7) SYNC0(Input): 12.5 MHz clock.
(8) SYNC2(Output): Clock for serial I/F baud setting.
(9) CDATA0-7(Input): Centronics I/F data input.
(10) XACK, BUSY, POUT, XERR, SLCTOUT(Output): Centronics I/F signal.
(11) XSTB, XATFD, XINIT, XSLCTIN(Input): Centronics I/F signal.
(12) DTR(Output): Serial I/F signal.
(13) CTS(Input): Serial I/F signal.
(14) SWCLK, SWLTCH(Output): For detection of Panel key.
(15) SWIN(Input): For detection of Panel key.
(16) ENCODE2-3(Input): For detection of HA encoder.
Содержание Accel-7350
Страница 1: ...1 Accel 7350 Dot Matrix Printer Service Manual Document 130034 ...
Страница 24: ...23 Wiring Diagram ...
Страница 25: ...24 Control Diagram ...
Страница 35: ...34 Dots Missing Caution Do not touch the print head immediately after printing because it may be too hot ...
Страница 36: ...35 Extra Dot Printing Improper character ...
Страница 37: ...36 Incorrect Printing Irregular print data ...
Страница 38: ...37 No LCD Display Half of the LCD lights up ...
Страница 39: ...38 No LCD Display Completely blank ...
Страница 40: ...39 Control Keys Not Functioning ...
Страница 41: ...40 No Buzzer Abnormal Ribbon Feeding Causing abnormal carriage movement ...
Страница 42: ...41 No Line Feed or Inconsistent Line Feeding ...
Страница 43: ...42 Carriage Error ...
Страница 44: ...43 ...
Страница 46: ...45 Cover Open Error Will Not Cancel With Cover Closed ...
Страница 47: ...46 No Fanfold Paper Reverse Line Feed ...
Страница 48: ...47 Printing Does Not Stop After Paper Is Ejected ...
Страница 49: ...48 Not Powering Up ...
Страница 94: ...93 Indicator Circuit ...
Страница 95: ...94 I F Circuit ...
Страница 96: ...95 Slide SW Circuit ...
Страница 97: ...96 Power Circuit ...
Страница 98: ...97 Exploded View 1 6 Following pages require Legal size paper for printing ...
Страница 99: ...98 Exploded View 2 6 ...
Страница 100: ...99 Exploded View 3 6 ...
Страница 101: ...100 Exploded View 4 6 ...
Страница 102: ...101 Exploded View 5 6 ...
Страница 103: ...102 Exploded View 6 6 ...
Страница 119: ...126 ...