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E331.E2501.061.21.02.02
System SIRECUST 1280/1281
Bedside Monitor - Service Manual
SIGNAL NAME
GLOSSARY OF SIGNALS (Continued)
SIGNAL MEANING
CURVE BOARD A130/A270 (Continued)
RET X-Y
RIGHT R/G
ROM 0
RST
SCO...3
SCLK
SDATA
SEL
SELM
SH1....4
SHCLK
SWPAST 2
SYNC OUT
SYS RESET L
VRET
VSYNC
W/R
WP071
WR
HORIZONTAL
XY return. The signal is used to mark the return time between
beam deflections in curve operation.
Trigger signal to control the right LC shutter.
Chip select signal for ROM of the 8344.
Reset signal for 8344.
Deflection control. The signal is used to configure the deflection
generator between slow and fast curves.
Clock for serial data of SIRENET, is generated by the Manchester
decoder for decoding.
Data bus of the curve memory.
Initiation of bus cycles for the registers.
Memory selection, is generated by ASL and the curve memory
address.
Color shutter driver signals.
Clock signal for the color shutter, with a frequency of 2 kHz.
Signal
to reset the
integrator which
generates
the
horizontal
saw-tooth voltage in curve operation.
QRS synchronization signal
System reset signal from display processor.
Vertical return. The signal is used to reset the vertical integrator for
raster operation.
Vertical synchronization signal (refer to display processor).
Write signal of the display processor.
Write pulses for the curve memories.
Write signal-from 8344.
Horizontal position of the electron beam of the tube.
Page D - 6
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