NEC -FA150ATUA Service Manual page 8

Figure 6.1 Example reset circuit
Figure 6.2 RESET sequence
7. E PROM for PnP (Circuit diagram MAIN PWB)
2
Circuit Description
3.3V
Vcc
0V
RESET Vcc 5V
RESET
0V
Example when Vcc=3.3V
NEC-FA150ATUA
2.75V
0.8V