Specifications

12-2. Image Erase Lamp LA3 ON/OFF Control
LA3 is controlled by the following signals output from Master Board PWB-A.
Signal Name
Signal
Output Pin
Function
DATA IC1A-5
64-bit serial data signal controlling turning ON and
OFF each of the 64 LEDs of LA3.
CLK IC1A-3 Synchronizing signal to transmit data serially.
MODE IC1A-4 Signal causing LA3 to latch the transmitted data.
STROBE IC1A-2 Signal to turn ON LA3 according to the latched data.
= Flow of Each Signal =
In synchronism with the CLK signal, the DATA signal is input to LA3.
When all serial DATA signals are input, the MODE signal is input to
LA3 and LA3 latches the data.
As the STROBE signal is input to LA3, LEDs are turned ON according
to the latched data.
1075C06MAA
M-63