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 Post subject: typewriter board
PostPosted: Fri May 15, 2026 9:19 am 
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Joined: Thu Jul 20, 2023 8:30 pm
Posts: 466
Location: Ohio
Wondering whats everyone's thoughts on this one is, I'm going to send in it high peripheral, but wanted to hear form you guys as its a odd ball board. Most of the ICs are the older ceramic kind and not plastic. it has heavy caps, brown PCB and a lot of low grade stuff like resisters, caps, and jumpers.


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 Post subject: Re: typewriter board
PostPosted: Fri May 15, 2026 1:32 pm 
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Joined: Mon Apr 15, 2024 9:38 pm
Posts: 540
Location: Western Pennsylvania
What is in the dark area of your photograph? Far extreme right. Next to the large electrolytics?
Maybe this would benefit from major junk removal.
Remove toroid.
Remove all electrolytics or at least the bigger ones.
Then cut off all jumpers.
And maybe that black object hidden in the shadow. Might have ferrite.
Then. Go ahead submit High Peripheral.
Also. Out of curiosity. I would like to see the back.
Here to learn like everybody else.
My evaluations are my own opinion.


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 Post subject: Re: typewriter board
PostPosted: Fri May 15, 2026 2:06 pm 
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Joined: Thu Jul 20, 2023 8:30 pm
Posts: 466
Location: Ohio
Catwhisker wrote:
What is in the dark area of your photograph? Far extreme right. Next to the large electrolytics?
Maybe this would benefit from major junk removal.
Remove toroid.
Remove all electrolytics or at least the bigger ones.
Then cut off all jumpers.
And maybe that black object hidden in the shadow. Might have ferrite.
Then. Go ahead submit High Peripheral.
Also. Out of curiosity. I would like to see the back.
Here to learn like everybody else.
My evaluations are my own opinion.


caps a diode and a relay.
The back is blank just pins and solder. I don't have a photo of the back on me and I can't upload photos on mobile as the mobile site is broken, if I remember I"ll get one next week when I'm back at work as I don't have internet at home outside my cellphone.

I'm going to send it high peripheral without doing anything to it. But I did think of processing the board myself, jumpers tend to be copper, there is a handful of resin/epoxy tantalum caps, the ICs and copper coil but after doing the math its a wash on the payment, I might make a few cents more at best.


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 Post subject: Re: typewriter board
PostPosted: Fri May 15, 2026 3:02 pm 

Joined: Tue Aug 05, 2025 10:38 pm
Posts: 14
Brown boards are automatic low grade board

https://www.youtube.com/watch?v=ynfx0bVvGis

Yank the chips, yank the copper.


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 Post subject: Re: typewriter board
PostPosted: Fri May 15, 2026 3:12 pm 

Joined: Mon Apr 14, 2014 12:41 pm
Posts: 588
I was thinking high peripheral as well due to the generous amount of IC chips but after looking at the video, boardsort still wants those in the low grade bucket (with harvesting allow). Perhaps that’s because of the recycling process of recycling being different for the brown board than green ones. That’s perhaps why a green board on both sides will still need to be placed in the midgrade bucket.


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 Post subject: Re: typewriter board
PostPosted: Fri May 15, 2026 3:13 pm 
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Joined: Thu Jul 20, 2023 8:30 pm
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Location: Ohio
I sent brown boards in at high/low peripheral and cd rom board too before more then once. Asus even used brown PCB for motherboards for the longest time and a lot of 186/286 boards are brown and can go as telco and I seen gold cap boards with brown PCB. Its less to do with the color of the PCB and more to do with the contents of the board and what the PCB is made of. Having processed boards and chips myself I know the single layer brown fibber boards is a pain in the butt to deal with as it turns to mush but that's a different type of board and tends to be more tan than brown, some brown boards are made of wood to and that turns to mush too with giving it the old chemical bath. There is a case to be made about removing the coil and caps but the PCB color making the board low grade is a stretch to say the least. now if it had one one 2 ICs like the one shown in the video, yeah low grade all day long.

Also mid/low can be mixed together when sending them in according to Chis.


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 Post subject: Re: typewriter board
PostPosted: Fri May 15, 2026 3:52 pm 
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Joined: Mon Apr 15, 2024 9:38 pm
Posts: 540
Location: Western Pennsylvania
Please review the Peripheral High Grade video in the e-scrap list. At the far right in the video. Brown boards are shown. A brown board is not automatic Low or Mid Grade. Like austin86 pointed out. There are brown boards. Tan. Etc. That are NOT automatic Mid/low Grade. To learn this fact about "brown boards" in e-scrap most likely is a long term journey. Though I agree. It's NOT the normal that a "brown board" is anything but Mid/Low Grade.
Here to learn like everybody else
My evaluations are my own opinion.


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 Post subject: Re: typewriter board
PostPosted: Fri May 15, 2026 4:06 pm 
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Joined: Thu Jul 20, 2023 8:30 pm
Posts: 466
Location: Ohio
Catwhisker wrote:
Please review the Peripheral High Grade video in the e-scrap list. At the far right in the video. Brown boards are shown. A brown board is not automatic Low or Mid Grade. Like austin86 pointed out. There are brown boards. Tan. Etc. That are NOT automatic Mid/low Grade. To learn this fact about "brown boards" in e-scrap most likely is a long term journey. Though I agree. It's NOT the normal that a "brown board" is anything but Mid/Low Grade.
Here to learn like everybody else
My evaluations are my own opinion.


spot on, however I would say brown being low grade is a good rule of thumb as most every brown board is low and there are some types of brown PCB that are a pain to deal with.


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