  128*64   ST7920
  
 15 (Psb)   
 4 (RS)  +5
  5, data (R/W)
  6, clock (E)

1 - Gnd
2 - +5v
3 - nc
4 - +5v (    1-5 )
5 - Data, R/W
6 - Clock, E
15 - Gnd
19 -  110-220   +5v
20 - Gnd (     )

  -  ,   ,  !
