Sam4s ER-5200M - VFD Display Block Circuits; VFD Diagram & Waveform

7 Special Circuit Descriptions
7-6 SAM4S ER-5200 Series
7-4 VFD Display Block Circuits
This uses 10digit Fluorescent Display and uses UCN5812AF (is located on the Front VFD PCB) for the driver. CPU
sends Display data to the driver repeatedly having given time interval in series and then Fluorescent Display is operated.
Figure 7-10 VFD Diagram & Waveform
10Digits
0 1 2 3 4 5 6 7 8 9
CPU
DRIVER
UCN5812
CLK, DATA, LATCH
STROBE
+30V,+5V,GND
Front & Rear VFD PBA
CLK
,
DATA
LATCH&STB
CLK
,
DATA
LATCH&STB