A New PCjr Owner

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A New PCjr Owner

Postby smitty » Wed Dec 27, 2017 10:26 am

Hi, I just entered the world of PCjr ownership about a week ago. Attached is my jr with King's Quest, but I am having some issues with sound. Other than that it's working fantastically given the age. The entire idea of being able to stick a cartridge in it blows my mind.
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smitty
 
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Re: A New PCjr Owner

Postby Brutman » Wed Dec 27, 2017 11:30 am

That's a pretty nice system you have there ... the PC Enterprises expansion chassis are not very common.

What problems are you having with the sound?
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Re: A New PCjr Owner

Postby smitty » Wed Dec 27, 2017 1:04 pm

Thanks! The sound is exactly as drignor described here. I haven't gone too in depth yet with tying to trace it out on the board as suggested in that thread but if I use the RCA audio out and hook it up to a amplifier, I do hear sound but with a lot of noise.
smitty
 
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Re: A New PCjr Owner

Postby riq » Wed Dec 27, 2017 9:16 pm

Welcome. Nice machine!
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Re: A New PCjr Owner

Postby smitty » Sun Feb 18, 2018 6:48 pm

I hope no one minds me doing some thread necromancy but I wanted to share a sound update. I haven't completely solved my problem with audio but I was able to get audio from the LM358's Output B pin. I jumped that to the Audio Out RCA and it works enough for me.
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