@RWL posted:Q 1) Regarding the PS2/3 boards: Are they still available anywhere, and especially with the 5v style connectors?
Techs or repair centers can get them or may have them in stock.
Also: I read that to go from the 5V board to the 2/3 board, the 16ohm speaker needs to be replaced with a 4ohm speaker.
Q-2) Is this correct, and can the 4ohm speaker be found anywhere?Any 4ohm speaker of the correct size to fit the application will work fine.
Q 3) Are there any other changes that need to be made when upgrading the 5V to 2/3 board?
A new heat sink will have to be used or fabricated depending on mounting. Also the wire harness may have to be moved/lengthened to reach the new board. In some cases (Rail King PS2 5V steam with boiler mounted boards) the whole harness will have to be replaced as the PS32 board will not fit in the same space as the PS2 5V board.
Q 4) What exactly is the PS2 & 3 Slave board?
The slave board is most commonly used to control the rear powered unit in a ABA set of powered units with two powered A units.
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