(Topic ID: 313194)

Whirlwind 1 bank drop target opto

By csab00

1 year ago



Topic Stats

  • 2 posts
  • 1 Pinsider participating
  • Latest reply 1 year ago by csab00
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#1 1 year ago

Hi Guys!

Symphtom:
Switch error nr 26 (one bank drop target)
The drop target switch does not work switch is not registered in the switch test.
(Switch is Opto not a leaf switch)

I have bought a new opto for Whirlwind 1 bank drop target from a pinball shop.
They give me one with a part number GK105A
Unfortunately it does not work.
I have checked all the related stuff like voltage and row/column connection.
The small board is pretty simple one resistor one opto and the connector.
(the connector is brand new)

I cannot compare the catalog of the GK105A becouse i dont know the original Williams part.
In the manual there is only this kind of information:
OPTO1 Opto Inter LG 10mA.

I assume they sent me a wrong or defect part.
I have mounted on the board correcty according to the scematic!

Please advice!

#2 1 year ago

I tried to check the small opto board on the table.
The board has only few components like connector, resistor and the opto.

I have connecter the +12V from a PC power supply to connector (red lead +12V, ground to gnd) and i wanted to measure the output (row/column) but there was no voltage on the output side.
(The input side is the diode the output is the transistor collector-emitter)

The pinball shop (pinball.center eu) claims that the new part cannot be broken but i doubt that...
Does anybody facing similar issues or am i doing something wrong ?

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