(Topic ID: 244038)

Seawitch J1 AS-2518-18 Rectifier Board


By Marv

1 year ago



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  • 9 posts
  • 4 Pinsiders participating
  • Latest reply 1 year ago by Marv
  • No one calls this topic a favorite

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J1 (resized).png
IMG_20190530_073439.jpg
J1 (resized).png

#1 1 year ago

Hi,

Can anyone take a picture J1 Connector on the AS-2518-18 in their Seawitch pinball please?

I'm not sure if i am missing some wires here:

Cheers
J1 (resized).png

#3 1 year ago

Cheers, already looked there - just wanted a picture of one in the 'wild'.

#4 1 year ago

Here's what mine looks like:

1 red
2 empty
3 empty
4 empty/key pin
5 empty
6 blue/white
7 blue
8 white

IMG_20190530_073439.jpg
#5 1 year ago

According to the guide the red and white wires are back to front, but on the schematics it says Pin 1 is Red and Pin 8 is White.

J1 (resized).png
#6 1 year ago
Quoted from Marv:

According to the guide the red and white wires are back to front

The guide is based on Bally who have white at pin 1 and red at pin 8. Stern did it opposite.
Red and white are for the general illumination which is AC anyway. But best to follow the manufacturer coloring layout.

#7 1 year ago

So i've re-pinned the connectors on the TA-100 all showing correct voltages. I can't seem to get the 5v on the SDU-100 Rev C.

- Re-pinned connectors J3 and J4
- Rebuilt 5v section (apart from 2.2 Cap)
- New Voltage Regulator (tested on bench)
- Ground mods done and 5v TP1 -> Tp3

Now i can give the board 12v on the bench and all is well, but as soon as i plug it into the backbox no 5v, i've checked pin 12 on J3 and its giving out 12v unreg.

Its got me scratching my head some what..

Any ideas?

#8 1 year ago
Quoted from Marv:

I can't seem to get the 5v on the SDU-100 Rev C.
...
- New Voltage Regulator

Post a clear picture of the 5V regulator - there are low spec China fakes going around..

#9 1 year ago

Sorted it, the TA-100 was missing a jumper.

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