Board 250442 1541 A

Board 250442

  • Schematic 251748
  • Termed the 1541 A
  • Just one jumper change to accommodate both types of drive

Board images

250442 Board 1541 A
250442 Board 1541 A (with ALPS Drive Unit)

Board schematics

Schematic 251748 Drive 1541
Schematic 251748
Drive 1541

One thought to “Board 250442 1541 A”

  1. It’s worth to mention that ASSY 250442 comes in two versions: PCB 251777 and PCB 251830. The former has UD4=9602 while the latter has UD4=74LS123. Both ICs have similar functions but different pinouts so they are not interchangeable.

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