Random part from an Apple II

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Joined: Feb 11 2004
Posts: 36

This was plugged in to, and dangling out of an Apple IIe I got recently, the computer works without it, and as you can see it has a 4 pin plug on the wires and two RCA female plugs on the box.

There are only a few things silk screened on the PCB: "Biwave Out" & "1003-0030 Rev. O". I'm not fluent in Apple IIe components, but this looked interesting, but didn't do anything to the operation of the computer over all. It plugs in near the composite out in the right back corner of the mainboard.picture here

Yarrgh! The link showed the entire directory, my apologies link fixed here

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Charles C. Faust

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Joined: May 27 2013
Posts: 792
Re: Random part from an Apple II

That, my friend is an apple ii compatible RF modulator.
It is commonly used to connect the apple ii to a tv set for use as a monitor.

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Joined: Feb 11 2004
Posts: 36
Re: Random part from an Apple II

Mine must be malfuctioning then, as I hooked it up with two different RF boxes to the television, I also used the the same RF switches for other devices that worked.

I'll have to fiddle with it some more, maybe I'm just not using it quite right.

input composite, output RF

Back to the drawring board Pinky

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Charles C. Faust

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Joined: Oct 9 2011
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Re: Random part from an Apple II

It may not be for Channel 3, it could be for UHF channel 33 or 34

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Joined: May 27 2013
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Re: Random part from an Apple II

Use your TV's setup option to scan all channels. Those channels being the non digital ones.

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Joined: Oct 9 2011
Posts: 1046
Re: Random part from an Apple II

On my 1976 Sony TV the "scan channel" button is called my 13 year old. "Hey turn that knob, one more time..."

Cheers,
Corey

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Joined: May 27 2013
Posts: 792
Re: Random part from an Apple II

The picture I saw shows some adjustment pieces inside that if moved, will not show up on any channel unfortunately.